Draft Unit Standards and Qualifications: Diesel Earthmoving Equipment Mechanics · 2019-10-03 · Domain: Diesel Earthmoving Equipment Mechanics Unit No. Unit Standard Title Level

Draft Unit Standards and Qualifications: Diesel Earthmoving

Equipment Mechanics

National Vocational Certificate in Diesel Earthmoving Equipment Mechanics

(Level 1)................................................................................................................................. 3

DEM 01 Clean earthmoving equipment and vehicles .......................................................... 6

DEM 02 Communicate in a diesel earthmoving equipment mechanics work environment ... 9

DEM 03 Demonstrate basic metal joining techniques used in diesel earthmoving

equipment mechanics ....................................................................................................... 13

DEM 04 Observe occupational and environmental health and safety in diesel earthmoving


DEM 05 Perform basic metal work in a diesel earthmoving equipment mechanics work

environment ...................................................................................................................... 20

DEM 06 Plan and organise work in a diesel earthmoving equipment work environment ... 24

DEM 07 Use and maintain tools and equipment used in diesel earthmoving equipment

mechanics......................................................................................................................... 28


(Level 2)............................................................................................................................... 31

DEM 08 Apply basic manual metal arc welding techniques in diesel earthmoving


DEM 09 Carry out oxy-acetylene welding and cutting in diesel earthmoving equipment

mechanics......................................................................................................................... 38

DEM 11 Maintain air-conditioning and heating systems on earthmoving equipment ......... 42

DEM 12 Maintain basic electrical circuits of diesel earthmoving equipment ...................... 47

DEM 13 Conduct breakdown and recovery services ......................................................... 52

DEM 14 Maintain differentials and final drives ................................................................... 55

DEM 15 Maintain manual transmissions ........................................................................... 59

DEM 16 Maintain wheels and tyres ................................................................................... 63

DEM 17 Overhaul cylinder head ....................................................................................... 67

DEM 18 Perform minor service on diesel earthmoving equipment .................................... 72

DEM 19 Service and maintain intake and exhaust systems of diesel earthmoving

equipment ......................................................................................................................... 76


(Level 3)............................................................................................................................... 80

DEM 20 Maintain basic hydraulic systems of diesel earthmoving equipment .................... 84

DEM 21 Maintain power transmissions of diesel earthmoving equipment ......................... 88

DEM 22 Maintain the diesel fuel system of diesel earthmoving equipment ....................... 92

DEM 23 Maintain The pneumatic braking system of diesel earthmoving equipment ........ 96

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DEM 24 Maintain the wet braking system of diesel earthmoving equipment .................. 100

DEM 25 Maintain torque converters ................................................................................ 104

DEM 26 Overhaul engine sub-assembly ......................................................................... 108

DEM 27 Perform diagnostic procedure on diesel earthmoving equipment ...................... 113

DEM 29 Perform major service on diesel earthmoving equipment .................................. 117

DEM 30 Remove and refit major units of diesel earthmoving equipment ......................... 123

DEM 31 Service and maintain power and power assisted steering systems of diesel

earthmoving equipment................................................................................................... 126

DEM 32 Service and maintain track type final drives of diesel earthmoving equipment ... 130

DEM 33 Service and maintain track type undercarriages of diesel earthmoving equipment

....................................................................................................................................... 134

Feedback Form – Diesel Earthmoving Equipment Mechanics ...................................... 138

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National Vocational Certificate in Diesel Earthmoving Equipment Mechanic

Level of qualification: 1

Compulsory Elective

Level 1 credits: 16 -

Minimum total credits required: 16 -

Registration date: <entered by the Namibia Qualifications

Authority>

Scheduled review date: <entered by the Namibia Qualifications

Authority>

Body responsible for the qualification:

Namibia Training Authority (NTA) - Industry Skills Committee for Manufacturing,

Automotive Sales and Arts & Crafts

Other bodies whose unit standards are included in the qualification: None

1. Description of the qualification

1.1. Purpose

This Qualification has been developed to assist with the advancement of people

across automotive industry in which diesel earthmoving equipment operations

are carried out. The intention of this qualification is to assist:

• Those who have been in the workplace for a long time, by using the

recognition of prior learning process to assess and recognise

workplace skills acquired without the benefit of formal education and

training;

• New entrants, by describing the learning outcomes required to

participate effectively, e.g. in a structured workplace programme;

• Education and training providers, by providing guidance for the

development of appropriate learning programmes and assessment

documentation;

• Employers, by enabling skills gaps to be identified and addressed

ensuring that productivity levels are increased and business objectives

achieved.

As a result, this qualification provides opportunities for self- or paid employment

acting as a reward for contributions to society by facilitating social and economic

transformation, empowerment and general upliftment of electrical industry and

country in general.

1.2. Outcome for whole qualification

Holders of this qualification are able to clean earthmoving equipment and

vehicles, communicate in a diesel earthmoving equipment mechanics work

environment, demonstrate basic metal joining techniques used in diesel

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earthmoving equipment mechanics, observe occupational and environmental

health and safety in diesel earthmoving equipment mechanics, perform basic

metal work in a diesel earthmoving equipment mechanics work environment, plan

and organise work in a diesel earthmoving equipment work environment and use

and maintain tools and equipment used in diesel earthmoving equipment

mechanics.

2. Regulations for the qualification

2.1. Summary of qualification requirements

This qualification will be awarded to people credited with a minimum of 16

credits, and who have met the requirements of the compulsory sections.

2.2. Detailed qualification requirements

Compulsory

All the outcomes of learning listed below are required.

FIELD: Manufacturing, Engineering and Technology

Subfield: Automotive Engineering

Domain: Diesel Earthmoving Equipment Mechanics

Unit No. Unit Standard Title Level Credit

Dem 01 Clean earthmoving equipment and vehicles 1 2

Dem 02 Communicate in a diesel earthmoving equipment

mechanics work environment 1 2

Dem 03 Demonstrate basic metal joining techniques used in

diesel earthmoving equipment mechanics 1 2

Dem 04 Observe occupational and environmental health and

safety in diesel earthmoving equipment mechanics 1 2

Dem 05 Perform basic metal work in a diesel earthmoving

equipment mechanics work environment 1 3

Dem 06 Plan and organise work in a diesel earthmoving

equipment work environment 1 2

Dem 07 Use and maintain tools and equipment used in diesel

earthmoving equipment mechanics 1 3

3. Credit recognition and transfer arrangements

Credits for any version of a unit standard of the same identification number will

be recognised in the award of this qualification.

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4. Special Arrangements

Special Arrangements apply to the accreditation of providers offering learning

pathways to and or undertaking assessments relating to all unit standards listed in

this qualification under the Subfield of Automotive Engineering. These Special

Arrangements are available from:

Industry Skills Committee - Manufacturing, Automotive Sales and Arts & Crafts

Rand Street

Khomasdal

Namibia

Telephone number: 061-27 9550

Facsimile number: 061-27 9551

Email: [email protected]

Special Arrangements may apply to the accreditation of providers offering

learning pathways to and or undertaking assessment relating to all unit standards

listed in this qualification in other Subfields and Domains. These Special


Namibia Qualifications Authority

44 Bismarck St.

Windhoek

Namibia

Telephone number: 061-384116

Facsimile number: 061-384114


Namibia Training Authority

Rand Street

Khomasdal

Namibia




Regardless of the above, providers seeking accreditation through the relevant

authorities must have or have confirmed access to all equipment and facilities

detailed in the Special Notes, Performance Criteria and or Range Statements in

the unit standards that are included in this qualification.

5. Transition arrangements

5.1 Non National Qualifications Framework transition

None

5.2 National Qualifications Framework transition

This is the first version of this qualification.

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© Namibia Qualifications Authority 1 Version 1.1

Unit ID: Dem 01 Domain DIESEL EARTHMOVING EQUIPMENT

MECHANICS

Title: Clean earthmoving equipment and vehicles

Level: 1 Credits: 2

Purpose This unit standard specifies the competencies required to clean earthmoving vehicles and equipment. It includes the: isolation and securing or protecting sensitive systems and parts to prevent damage during cleaning; selection and safe handling, use and storage of cleaning tools and materials; and the cleaning of the wash bay after the completion of work. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place L1 or demonstrated equivalent skills and knowledge.

• Unit - Use and maintain hand tools and equipment used in diesel earthmoving equipment mechanics L1.

2. This unit standard is to be delivered and assessed in the context of diesel

earthmoving equipment mechanics operations and should be assessed in conjunction with other relevant technical unit standards selected from this domain.

3. To demonstrate competence, at a minimum, evidence is required of

demonstrating the correct and safe procedures for the cleaning of two (2) selected equipment and vehicles.

4. Assessment evidence may be collected at a real workplace or a simulated real

workplace or an appropriate simulated realistic environment in which diesel earthmoving equipment mechanics operations are carried out.

5. All inspection, operation and maintenance procedures associated with the use

of tools and equipment shall comply with manufacturers’ and company’s guidelines and instructions.

6. 'Specifications' refer to any or all of the following: manufacturers’ specifications

and recommendations, workplace specific requirements.

7. This unit standard applies to passenger, light commercial, heavy commercial, agriculture, road construction and heavy mining equipment.

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8. Regulations and legislation relevant to this unit standard include the following: � Labour Act, No. 6, 1992 � Mining Regulations No. � Occupational Health and Safety Regulations No. 18, 1997

and all subsequent amendments. Quality Assurance Requirements This unit standard and others within this subfield may be awarded by institutions which meet the accreditation requirements set by the Namibia Qualifications Authority and the Namibia Training Authority and which comply with the national assessment and moderation requirements. Details of specific accreditation requirements and the national assessment arrangements are available from the Namibia Qualifications Authority on www.namqa.org and the Namibia Training Authority on www.nta.com.na.

Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of work conditions and hazards, and the determination of work requirements. Performance Criteria 1.1 Work instructions, including plans, specifications and operational details are

obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Equipment and materials selected to carry out tasks are consistent with the

requirements of the job, checked for serviceability and any faults rectified or reported prior to commencement.

1.4 Environmental protection requirements are identified and applied in line with

environmental plans and legislative requirements including the correct and safe disposal of waste and other hazardous substances.

Element 2: Demonstrate the procedures for cleaning vehicles and equipment Range Cleaning tools, equipment and materials include but are not limited to compressor, steam cleaner, high pressure hose and solvents.

Performance Criteria 2.1 Safety and environmental protection precautions related to the cleaning of

vehicles and equipment are observed.

2.2 Cleaning tools, equipment and materials are selected for specific tasks. 7


2.3 The safe use, handling and storage of cleaning tools and materials are demonstrated.

2.4 Sensitive equipment, systems and parts are isolated, secured or protected.

2.5 The vehicles and equipment are cleaned in line with workplace procedures.

Element 3: Complete work and clean up Performance Criteria 3.1 Work is completed and appropriate personnel notified in accordance with work

place procedures.

3.2 Wash bay is cleaned.

3.3 Work area is cleared of waste, cleaned, restored and secured in accordance with workplace procedures.

3.4 Reusable material is collected and stored in accordance with workplace procedures.

5.1 Tools and equipment are cleaned, checked and maintained in accordance with

workplace procedures. 5.2 Work completion details are finalised in accordance with workplace procedures.

Registration Data Subfield: Date first registered: 2014 Date this version registered: Anticipated review: 2019 Body responsible for review: Namibia Training Authority

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MECHANICS

Title: Communicate in a diesel earthmoving equipment mechanics work environment

Level: 1 Credits: 2

Purpose This unit standard specifies the competencies required to communicate in a diesel earthmoving equipment mechanics work environment. The unit refers to competency in communication rather than the English language. It includes gathering, conveying and receiving information through verbal and written forms of communication. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisite

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics workplace or demonstrated equivalent knowledge and skills.


earthmoving equipment mechanics operations and should be assessed in conjunction with other relevant technical units selected from this domain.

3. To demonstrate competence, at a minimum, evidence is required of the correct

interpretation of five different workplace signs; successful completion of five tasks following instructions; conveying five pieces of information to other workers; filling out three workplace documents and one job card accurately and actively participating at a workshop or meeting. These tasks should be performed ensuring correct identification of requirements, selection and use of appropriate processes, tools and equipment, and completing all work to specification.

4. Assessment evidence may be collected from a real workplace or a simulated

real workplace or an appropriate simulated realistic environment in which diesel earthmoving equipment mechanics operations are carried out.


of tools and equipment shall comply with manufacturers’ and company guidelines, instructions, and reasonable flat rate time.


and recommendations, workplace specific requirements. 7. Regulations and legislation relevant to this unit standard include the following:

� Labour Act, No. 6, 1992 � Mining Regulations No. � Occupational Health and Safety Regulations No. 18, 1997

and all subsequent amendments.

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Quality Assurance Requirements This unit standard and others within this subfield may be awarded by institutions which meet the accreditation requirements set by the Namibia Qualifications Authority and the Namibia Training Authority and which comply with the national assessment and moderation requirements. Details of specific accreditation requirements and the national assessment arrangements are available from the Namibia Qualifications Authority on www.namqa.org and the Namibia Training Authority on www.nta.com.na.

Elements and Performance Criteria Element 1: Gather, convey and receive information Range Methods of communication transfer include use of telephones (including mobile), portable and stationary two-way radios, e-mail, facsimile, digital cameras. Work signage is to include workplace safety signs, facility or location signs and hazard signs. Performance Criteria 1.1 Documents, forms and other sources of information are sourced.

1.2 Communication policies and procedures are determined and applied including

the confidentiality of information.

1.3 The appropriate means for sending or receiving if selected and used.

1.4 Communication devices are selected and operated.

1.5 Verbal and written instructions are gathered, received and responded to using appropriate communication methods and techniques.

1.6 Instructions are conveyed accurately.

1.7 Communication by telephone and computer is carried out using customer

relation practices according to workplace policy and procedure.

1.8 Messages are responded to promptly. 1.9 Work signage is responded to with correct action. 1.10 Information is conveyed and receipt of the message is confirmed. 1.11 Questions are used to gain additional information and to clarify understanding. Element 2: Interpret job and work instructions Range Job and work instructions include but are not limited to job cards, written instructions, verbal instructions, instructions communicated telephonically and electronically.

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Performance Criteria 2.1 Verbal and written job and work instructions are interpreted and followed.

2.2 Job cards are completed including the indication of the effective working hours. .

Element 3: Participate in simple workplace meetings Performance Criteria 3.1 Correct processes for workshop meetings are identified and followed to pre-

determined or agreed procedures.

3.2 Responses are sought and provided to others in the group.

3.3 Constructive contributions are made.

3.4 Goals and outcomes are identified and recorded.

3.5 Minutes of meetings are taken in line with workplace procedures. Element 4: Complete relevant work related documents Range Workplace documents may include company procedures, regulations, safety requirements, induction procedures, industrial agreements, checklists, delivery dockets, material safety data sheets, workplace policies, quality requirements, bulletins, maps, notices, accident reports, plans, emergency procedures, work schedule or appointment sheets, work/repair order forms, schematics, service record books and service plan forms, preventive maintenance schedules, estimates, manufacturers’ specifications, codes, standards. Performance Criteria 4.1 Range of forms relating to conditions of employment are interpreted and

completed accurately and legibly.

4.2 Range of forms about routine duties are interpreted and completed accurately and legibly.

Element 5: Report to supervisor Performance Criteria 5.1 Supervisor is informed on all work completion details.

5.2 Equipment defects and malfunctions are recorded and reported to supervisor.

5.3 Possible future breakdowns, risks and hazards and possible solutions are identified and reported to supervisor.

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Unit ID: Dem 03 Domain AUTOMOTIVE MECHANICS

Title: Demonstrate basic metal joining techniques used in diesel earthmoving

equipment mechanics

Level: 1 Credits: 2

Purpose This unit standard specifies the competencies required to apply basic metal joining techniques used in earthmoving equipment mechanics. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of identifying,

selecting and using the following mechanical fastening and locking devices: bolts, studs, nuts, screws, rivets, washers and lock washers, pins, keys and circlips (snap rings), in four different joining operations on earthmoving equipment. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.


real workplace or an appropriate simulated realistic environment in which diesel earthmoving mechanic operations are carried out.


of tools and equipment shall comply with manufacturers’ and company guidelines, instructions and reasonable flat rate time.


and recommendations and workplace specific requirements.


7. Regulations and legislation relevant to this unit standard include the following:

� Labour Act, No. 6, 1992 � Occupational Health and Safety Regulations No. 18, 1997 � Mining Regulations No. � Road Traffic and Transport Regulations No. 266, 2000


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Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set and torque wrench. Materials are to include but are not limited to bolts, nuts, studs, screws, rivets, washers and lock washers, pins, circlips (snap rings) and keys. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational

details are obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks are consistent with the


1.4 Material requirements are identified and obtained in accordance with repair

order form and/or specifications. 1.5 Materials are safely handled and located, ready for use. 1.6 Environmental protection requirements are identified and applied in line with

environmental plans and legislative requirements. Element 2: Join materials using mechanical fastening methods Range Mechanical fastening methods are to include but are not limited to: bolting, screwing and riveting. Performance Criteria 2.1 Appropriate fastening method is identified and selected for a given application.

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2.2 Surfaces are cleaned and debarred before joining. 2.3 Mechanical metal fastening techniques are performed according to

manufacturers’ prescribed methods and procedures. 2.4 Manufacturer specified torque is applied when using bolts, nuts and washers. Element 3: Complete work and clean up Performance Criteria 3.1 Work is completed and appropriate personnel notified in accordance with

workplace procedures. 3.2 Work area is cleared of waste, cleaned, restored and secured in accordance

with workplace procedures. 3.3 Reusable material is collected and stored in accordance with workplace

procedures. 3.4 Tools and equipment are cleaned, checked, maintained and stored in

accordance with workplace procedures. 3.5 Work completion details are finalised in accordance with workplace procedures.


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MECHANICS

Title: Observe occupational and environmental health and safety in diesel earthmoving

equipment mechanics

Level: 1 Credits: 2

Purpose This unit standard specifies the competencies required to observe occupational and environmental health and safety in a diesel earthmoving equipment mechanics workplace. It includes following safe work procedures, basic risk assessment, and following emergency procedures including carrying out basic first aid and fire fighting. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. This unit standard is to be delivered and assessed in the context of diesel

earthmoving equipment mechanics operations and should be assessed in conjunction with other relevant technical unit standards selected from this domain.

2. To demonstrate competence, at a minimum, evidence is required of locating

and interpreting safety signage, assessing risks in a simulated risk situation, selecting and using of fire fighting equipment to extinguish a simulated mechanical fire, and evacuating the workplace through a simulated response to an emergency in compliance with workplace procedures.


workplace or an appropriate simulated realistic environment in which diesel earthmoving equipment mechanics operations are carried out.


of tools and equipment shall comply with manufacturers’ and company’s guidelines and instructions.


and recommendations, workplace specific requirements. 6. Regulations and legislation relevant to this unit standard include the following:

� Labour Act, No. 6, 1992 � Mining Regulations No. � Occupational Health and Safety Regulations No. 18, 1997

and all subsequent amendments. Quality Assurance Requirements This unit standard and others within this subfield may be awarded by institutions which meet the accreditation requirements set by the Namibia Qualifications Authority and the Namibia Training Authority and which comply with the national assessment and

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moderation requirements. Details of specific accreditation requirements and the national assessment arrangements are available from the Namibia Qualifications Authority on www.namqa.org and the Namibia Training Authority on www.nta.com.na.

Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of work conditions and hazards, and the determination of work requirements. Performance Criteria 1.1 Work instructions, including plans, specifications and operational details are

obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Equipment selected to carry out tasks is consistent with the requirements of the

job, checked for serviceability and any faults rectified or reported prior to commencement.

1.4 Environmental protection requirements are identified and applied in line with

environmental plans and legislative requirements. Element 2: Follow safe work procedures Range Personal protective equipment is to include but is not limited to overalls, steel capped boots, jacket, gloves, safety glasses or goggles, cap, dust mask or respirator, ear muffs or plugs, reflective clothing. Signs are to include but are not limited to hazard identification, facility or location signs, site safety, traffic and warning signs and symbols.

Performance Criteria 2.1 The main features of occupational and environmental health and safety rules

and regulations and workplace policies and procedures are interpreted and followed.

2.2 Tasks are performed in a safe manner and in accordance with legislative and workplace requirements.

2.3 Organisation of duties, tools, equipment and materials is performed in

accordance with workplace procedures. 2.4 Workplace security policies and/or procedures are identified and followed. 2.5 Personal protective equipment and clothing is worn, maintained and stored

according to workplace procedures. 17


2.6 Safety tools and equipment, including guards, are maintained and used in accordance with manufacturers’ specifications and regulations.

2.7 Safety signs and symbols are identified and followed.

2.8 Safe and environmental-friendly methods of handling, storing and disposing of chemicals, gases, gas cylinders and other hazardous materials are demonstrated.

2.9 A safe and clean work environment is maintained.

Element 3: Assess risks Range Risks and hazards may include but are not limited to electrical shocks, chemical spills, gases, liquids under pressure, moving machinery and equipment, hazardous materials, soil stability, suspended loads, isolation and lockout of equipment, working in confined spaces, manual handling, high temperatures, explosions, noise, dust, restraint systems, high voltage systems, high pressure fuel systems, high pressure gases in AC, vapours, fires, sharp equipment and traffic. Performance Criteria 3.1 Hazards in the work area are identified, assessed and reported to designated

persons. 3.2 Safety issues and risks in the work area are identified, assessed and reported

to designated persons. 3.3 Safe workplace procedures and work instructions are followed for the

controlling of risks.

3.4 Unsafe situations and hazards in the workplace are recognised and reported according to workplace health and safety requirements and regulations.

3.5 Safety, hazard, accident and incident reports are contributed to according to

workplace and legislative requirements. Element 4: Follow emergency procedures Range Appropriate personnel to be contacted in case of an emergency, accident, fire or to report a risk are designated safety officers, determined by the company, who have undertaken specific safety response training, supervisors, managers or other senior personnel. Emergency procedures are to include but are not limited to extinguishing fires, organisational first aid requirements and evacuation procedures, and handling chemical spills. Types of fire may include but are not limited to electrical, chemical, gas, mechanical, paper, wood or natural fire. Basic first aid equipment includes a first aid box.

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Fire fighting equipment may include fire truck, fire reel, fire extinguishers and manual fire fighting tools and equipment.

Performance Criteria 4.1 Appropriate personnel are identified in the event of an emergency in

accordance with workplace procedures.

4.2 Workplace policies and emergency procedures regarding illness and accidents are identified and applied.

4.3 Safe work place procedures for dealing with accidents, fires and emergencies

are followed within scope of responsibilities and workplace procedures.

4.4 Basic first aid procedures are demonstrated.

4.5 Fire fighting appliances and equipment are identified and used. 4.6 Emergency and evacuation procedures are practised and carried out.

Element 5: Complete work and clean up Range Work completion details may include but is not limited to accident report forms. Performance Criteria 5.1 Work is completed and appropriate personnel notified in accordance with work

place procedures. 5.2 Work area is cleared of waste, cleaned, restored and secured in accordance

with workplace procedures.

5.3 Floors are cleaned and painted. 5.4 Reusable material is collected and stored in accordance with workplace

procedures. 5.5 Tools and equipment are cleaned, checked and maintained in accordance with


Registration Data

Subfield: Date first registered: 2014 Date this version registered: Anticipated review: 2019 Body responsible for review: Namibia Training Authority

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MECHANICS

Title: Perform basic metal work in a diesel earthmoving equipment mechanics

work environment

Level: 1 Credits: 3

Purpose This unit standard specifies the competencies required to perform basic metal work in diesel earthmoving equipment mechanics. It includes performing basic measurements and calculations, reading and producing basic sketches and drawings, marking out work, applying basic chip-removal processes and using chip-less forming processes, and joining materials using mechanical. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisite


2. To demonstrate competence, at a minimum, requires evidence of selecting and

correct application of the necessary tools, materials and personal protective equipment to perform one marking-out task, one chip-removal forming task and one chip-less forming task. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.


workplace or an appropriate simulated realistic environment in which diesel earthmoving mechanic operations are carried out.


of tools and equipment shall comply with manufacturers’ and company guidelines and instructions.

5. 'Specifications' refer to any or all of the following: manufacturer’s specifications




� Labour Act, No. 6, 1992 � Mining Regulations No. � Occupational Health and Safety Regulations No. 18, 1997 � Road Traffic and Transport Regulations No. 268, 2000

and all subsequent amendments

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Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Materials are to include but are not limited to ferrous and non-ferrous material. Performance Criteria 1.1 Work instructions, including repair order forms, sketches, specifications and

operational details, are obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks are consistent with the



order form and/or specifications. 1.5 Materials are processed and/or safely handled and located, ready for use. 1.6 Environmental protection requirements are identified and applied in line with

environmental and legislative requirements. Element 2: Use basic metal processing tools to mark out work pieces Range Tools and equipment may include but are not limited to scriber, prick punch, centre punch, divider, steel rule and straight edge, try square and combination square. Marking out may include light walled pipe, small sections and angles. Materials are to include but are not limited to 0.4mm to 0.8mm sheet metal, ferrous and/or non-ferrous material.

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Performance Criteria 2.1 Tools and material are identified and selected for a required task. 2.2 Dimensions from a sketch, drawing or other specifications are transferred to the

work piece. 2.3 Marking out are carried out in accordance with job specifications. 2.4 Patterns, sections and templates are inspected and measured for compliance to

job specifications. 2.5 Non-conformance to job specifications is identified and reported to supervisor. Element 3: Use basic metal processing tools to perform chip-removal forming processes Range Chip-removal forming processes may include chiseling, sawing, filing, scraping, drilling and boring to include counter boring and countersinking, thread tapping and cutting. Tools and equipment may include chisels, handsaw, files, scraper, drill and boring tools, tapes and dies, bench grinder, angle grinder. Materials are to include but are not limited to 0.4mm to 0.8mm sheet metal, ferrous and/or non-ferrous material. Performance Criteria 3.1 Tools and equipment are identified and selected to match requirements of the

task according to workplace procedures. 3.2 Work piece is clamped firmly in a vice before being processed in line with safety

and workplace requirements. 3.3 Chip-removal forming processes are accomplished in line with task

requirements and specifications. 3.4 Safe working practices are maintained in line with legislative and workplace

requirements. Element 4: Use basic metal processing tools to perform chip-less forming processes Range Chip-less forming processes may include cold straightening, cold bending and cutting. Tools and equipment may include vice, hammers, hand sheers, and machine sheers. Materials are to include but are not limited to 0.4mm to 0.8mm sheet metal, 3.0mm to 6.0mm ferrous material.

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Performance Criteria 4.1 Tools and equipment are identified and selected to match requirements of the

task according to workplace procedures. 4.2 Work piece is clamped firmly in a vice before being processed in line with safety

and workplace procedures. 4.3 Chip-less forming process is accomplished in line with task requirements and

specifications. 4.4 Safe working practices are maintained in line with legislative and workplace

requirements. Element 5: Complete work and clean up Performance Criteria 5.1 Work is completed and appropriate personnel notified in accordance with



procedures. 5.4 Tools and equipment are cleaned, checked, maintained and stored in

accordance with workplace procedures. 5.5 Work completion details are finalised in accordance with workplace procedures

including completion of relevant work documents and reporting.


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MECHANICS

Title: Plan and organise work in a diesel earthmoving equipment work

environment

Level: 1 Credits: 2

Purpose This unit standard specifies the competencies required by a diesel earthmoving equipment mechanic to plan, organise and complete work. It includes pre-work planning, safely and efficiently sequencing work and working in teams. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites




earthmoving equipment mechanics work and should be assessed in conjunction with other relevant technical unit standards selected from this domain.

3. To demonstrate competence, at a minimum, evidence is required of planning,

organising and successfully completing three separate individual or group tasks. Perform these tasks ensuring correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.


real workplace or an appropriate simulated realistic environment in which diesel earthmoving equipment mechanics operations are carried out.


of tools and equipment shall comply with manufacturers’ guidelines and instructions.


and recommendations, as well as workplace specific requirements.


8. Regulations and legislation relevant to this unit standard include the following: � Labour Act, No. 6, 1992 � Mining Regulations No. � Occupational Health and Safety Regulations No. 18, 1997

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� Road Traffic and Transport Regulations No. 268, 2000 and all subsequent amendments.


Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. Materials are to include but are not limited to mineral and synthetic oil products, ferrous and non-ferrous metals, non-metals and sintered materials. Performance Criteria 1.1 Work instructions, including repair order forms, diagrams, specifications, and

operational details are obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks are consistent with the


1.4 Material requirements are identified and obtained in accordance with job card

and specifications. 1.5 Materials are processed and/or safely handled ready for use. 1.6 Environmental protection requirements are identified and applied in accordance

with environmental legislative requirements.

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Element 2: Sequence work Range Work sequencing may include but is not limited to receiving instructions, organising for the task, carrying out the task and cleaning after completing the task.

Performance Criteria 2.1 Individual steps to perform a given task are determined and performed in a

logical and efficient sequence following the workshop manual and workplace specific requirements.

2.2 Tasks are completed to meet job card instructions. Element 3: Work in a team Performance Criteria 3.1 Contributions are made to assist with the planning of work activities and

associated procedures.

3.2 Tasks of the team are identified.

3.3 Priorities and deadlines are established and documented in consultation with others.

3.4 Work activities are planned and progress of work communicated. 3.5 Roles and tasks are allocated to each team member. 3.6 Allocated tasks are completed within designated time lines and to the standards

expected in the workplace. 3.7 Assistance is sought from other team members when difficulties in allocated

task arise. 3.8 Questioning is used to clarify instructions or responsibilities. 3.9 Information and feedback provided by others in the work team is acknowledged.

3.10 Industry and company dress and grooming standards are maintained. Element 4: Complete work and clean up Range Work completion details may include but are not limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form, sign-out form for equipment. Performance Criteria 4.1 Work is completed and appropriate personnel notified in accordance with

workplace procedures.

26



4.3 Reusable material is collected and stored in accordance with workplace


workplace procedures. 4.5 Work completion details are finalised in accordance with workplace procedures


27



MECHANICS

Title: Use and maintain tools and equipment used in diesel earthmoving equipment

mechanics

Level: 1 Credits: 3

Purpose This unit standard specifies the competencies required to use and maintain tools and equipment in diesel earthmoving equipment mechanics operations. It includes the selection and safe handling, use, servicing, maintenance and storage of tools and equipment including hoisting and lifting equipment. Special Notes 1. Entry information:

Prerequisite


2. To demonstrate competence, at a minimum, requires evidence of selecting and

correct application of the necessary tools, materials and personal protective equipment to perform one marking-out task, one chip-removal forming task and one chip-less forming task. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.


workplace or an appropriate simulated realistic environment in which diesel earthmoving equipment mechanic operations are carried out.


of tools and equipment shall comply with manufacturers’ and company guidelines and instructions.





� Labour Act, No. 6, 1992 � Mining Regulations No. � Occupational Health and Safety Regulations No. 18, 1997 � Road Traffic and Transport Regulations No. 268, 2000

and all subsequent amendments

28



Elements and Performance Criteria Element 1: Use common tools and equipment Range Tools and equipment may include but are not limited to hand tools, electric, pneumatic tools, hydraulic tools, electrical tools, special tools, measuring tools, micrometers, vernier calipers, pressure gauges, tyre thread gauges, dial gauges, telescopic gauges, torque wrenches, torque meters, plastic gauges, thread gauges, feeler gauges, measuring tape, straight edge, rule, squares, protractors, hand diagnostic tools and equipment, hoisting and lifting equipment. Performance Criteria 1.1 Tools and equipment are identified and selected for different tasks. 1.2 Measuring and marking out are carried out in accordance with job

specifications. 1.3 The correct and safe handling and use of hand tools, pneumatic and hydraulic

tools, diagnostic tools, marking out and measuring tools, electrical power tools, hoisting and lifting equipment is demonstrated.

1.4 Non-conformance to job specifications is identified and reported to supervisor. Element 2: Service and maintain tools and equipment Performance Criteria 2.1 Tools and equipment are serviced, adjusted and maintained within the scope of

responsibility according to manufacturers’ specifications and workplace requirements.

2.2 Tools and equipment are regularly checked against manufacturers’ recommendations.

2.3 Damaged or worn tools and equipment are tagged and removed from the workplace

2.4 Tools and equipment are cleaned, checked and stored according to manufacturers’ specifications and company policies and procedures.

29


Element 3: Complete work and clean up Range Work completion details may include but are not limited to forms for signing in and out, order forms, repair forms, company-specific maintenance forms.

Performance Criteria 3.1 Work is completed and appropriate personnel notified in accordance with




3.4 Tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturers’ specifications and workplace procedures.

3.5 Work completion details are finalised in accordance with workplace procedures.


30

1



Compulsory Elective




Authority>


Authority>






1.1. Purpose







training;





documentation;



achieved.




country in general.


Holders of this qualification are able to clean earthmoving equipment and

vehicles, communicate in a diesel earthmoving equipment mechanics work

environment, demonstrate basic metal joining techniques used in diesel

31

2

earthmoving equipment mechanics, observe occupational and environmental

health and safety in diesel earthmoving equipment mechanics, perform basic

metal work in a diesel earthmoving equipment mechanics work environment, plan

and organise work in a diesel earthmoving equipment work environment and use

and maintain tools and equipment used in diesel earthmoving equipment

mechanics.






Compulsory






Dem 08 Apply basic manual metal arc welding techniques in


Dem 09 Carry out oxy-acetylene welding and cutting in


Dem 11 Maintain Air-Conditioning And Heating Systems

On Earthmoving Equipment 2 2

Dem 12 Maintain basic electrical circuits of diesel

earthmoving equipment 2 4

Dem 13 Conduct Breakdown And Recovery Services 2 2

Dem 14 Maintain Differentials and Final Drives 2 2

Dem 15 Maintain Manual Transmissions 2 2

Dem 16 Maintain Wheels and Tyres 2 2

Dem 17 Overhaul Cylinder Head 2 2

Dem 18 Perform minor service on diesel earthmoving

equipment 2 3

Dem 19 Service and Maintain Intake and Exhaust Systems of

Diesel Earthmoving Equipment 2 2




32

3







Rand Street

Khomasdal

Namibia









44 Bismarck St.

Windhoek

Namibia





Rand Street

Khomasdal

Namibia










None



33



MECHANICS

Title: Apply basic manual metal arc welding techniques in diesel earthmoving

equipment mechanics

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to apply basic manual metal arc welding techniques used in diesel earthmoving equipment mechanics. It includes preparing welding equipment, selecting and assembling welding components and performing routine manual metal arc welding tasks. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics workplace or demonstrated equivalent skills and knowledge.

• Unit - Use and maintain hand tools and equipment used in diesel earthmoving equipment mechanics.

2. To demonstrate competence, at a minimum, evidence is required of performing two given

welding tasks. These are a fillet and butt weld in horizontal position, using 150mm continuous length on two pieces of low-carbon steel with the dimensions of 50 x 3 x 150mm. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.

3. Assessment evidence may be collected from a real workplace, or simulated real workplace

or an appropriate simulated realistic environment in which diesel equipment mechanic operations are carried out.

4. All inspection, operation and maintenance procedures associated with the use of tools and

equipment shall comply with manufacturers’ guidelines and instructions.


6. 'Specifications' refer to any or all of the following: manufacturers’ specifications and

recommendations, as well as workplace specific requirements. 7. Regulations and legislation relevant to this unit standard include the following:



34



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but are not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, welding equipment including manual metal arc welding machine, safety equipment, measuring and marking out equipment. Materials are to include but are not limited to welding rods/electrodes and cleaning materials. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are

obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks that are consistent with the requirements of

the job, are checked for serviceability and any faults rectified or reported prior to commencement.

1.4 Materials appropriate to the work application are identified, obtained, prepared, safely

handled and located, ready for use. 1.5 Environmental protection requirements are identified and applied in line with environmental

plans and regulatory obligations. Element 2: Prepare materials for welding

Range Preparation of materials may include but is not limited to setting up jigs, fixtures and clamps.

Performance Criteria 2.1 Weld requirements are determined in accordance with job specifications. 2.2 Material is cleaned and prepared using appropriate tools and techniques in accordance with

standard operating procedures.

35


Element 3: Select, assemble and set up welding components and equipment Range Welding machine is set to appropriate welding current. Performance Criteria 3.1 Welding machine setting, accessories and consumables are identified.

3.2 Welding equipment is assembled and correctly set up. Element 4: Perform routine welding using manual arc metal welding process Range Prescribed procedure is limited to fillet and butt welds in horizontal position. Performance Criteria 4.1 Correct procedures are accessed from sources to enable welding to be performed in

accordance with vehicle and equipment manufacturers’ specifications. 4.2 Manual metal arc welding is completed using approved methods and equipment, according

to type of material and repairs required. 4.3 Manual metal arc welding procedures are completed without causing damage to

components or systems. Element 5: Complete work and clean up Range Work completion details may include but are not limited to work schedule or appointment sheet, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 5.1 Work is completed and appropriate personnel notified in accordance with workplace

procedures. 5.2 Work area is cleared of waste, cleaned, restored and secured in accordance with workplace

procedures. 5.3 Reusable material is collected and stored in accordance with workplace procedures. 5.4 Tools and equipment are cleaned, checked, maintained and stored in accordance with


36



37



MECHANICS

Title: Carry out oxy-acetylene welding and cutting in diesel earthmoving equipment

mechanics

Level: 2 Credits: 1

Purpose This unit standard specifies the competencies required to perform oxy-acetylene welding and cutting techniques as part diesel earthmoving equipment mechanics. It includes planning and preparing for work, preparing materials for oxy-acetylene welding and flame cutting, performing oxy-acetylene welding and flame cutting, completing work and cleaning up the work area. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place or demonstrated equivalent skills and knowledge.


2. To demonstrate competence, at a minimum, evidence is required of preparing and

completing three given oxy-acetylene welding tasks and three oxy-acetylene flame cutting tasks. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.

3. Assessment evidence may be collected from a real workplace or a simulated real workplace

or an appropriate realistic simulated environment in which diesel earthmoving mechanic operations are carried out.



equipment shall comply with manufacturers’ guidelines and instructions. 6. 'Specifications' refer to any or all of the following: manufacturers’ specifications and

recommendations, as well as workplace specific requirements. 7. Regulations and legislation relevant to this unit standard include the following:



38



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but are not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements.

Planning and preparation may include but are not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements.

Tools and equipment may include but are not limited to acetylene and oxygen cylinders, regulators, welding hoses, check valves (non-return valves), flash back arrestors, welding torches, welding tips and filler rods. Materials include but are not limited to low carbon steel and sheet metal. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are

obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks are consistent with the requirements of the

job, checked for serviceability and any faults rectified or reported prior to commencement. 1.4 Materials appropriate to the work application are identified, obtained, prepared, safely

handled and located ready for use. 1.5 Environmental protection requirements are identified and applied in line with environmental

plans and regulatory obligations.

Element 2: Prepare materials for welding Range Preparation of materials may include but is not limited to preheating, setting up jigs, fixtures and clamps. Performance Criteria 2.1 Weld requirements are determined in line with job specifications

39


2.2 Material is cleaned and prepared using appropriate tools and techniques in line with standard operating procedures.

2.3 Preparation is completed without causing damage to vehicle or components. Element 3: Assemble and set up welding equipment and materials Range Setting up may include the correct connection of hoses, blowpipes, regulators, cylinder valves, pressure regulators, flashback arrestors, welding tips and correct settings of gas mixtures . Performance Criteria 3.1 Welding equipment including cylinders and regulators are identified. 3.2 Welding equipment is assembled and set up in line with standard operating procedures. 3.3 Welding tips, settings and consumables are selected against job requirements and welding

procedures in line with standard operating procedures. Element 4: Perform oxy-acetylene welding Range Prescribed procedure is limited to forehand welding (flat position welding and vertical position welding). Performance Criteria 4.1 Welding is undertaken safely and in line with prescribed procedures. 4.2 Welds are cleaned in line with standard operating procedures. 4.3 Welds are inspected for faults and identified faults are rectified. Element 5: Perform oxy-acetylene flame cutting Appropriate PPE is worn and all safety precautions observed. 5.2 Metal is prepared for flame cutting. 5.3 Type and size of cutting torch is selected and connected. 5.4 Pressure and mixture of gases is adjusted on gas cylinders. 5.5 The cutting flame is adjusted. 5.6 Flame cutting is performed according to standard operating procedures.

40


Element 6: Complete work and clean up Range Work completion details may include but are not limited to work schedule or appointment sheet and sign-out form for equipment. Performance Criteria 6.1 Work is completed and appropriate personnel notified in line with workplace procedures. 6.2 Work area is cleared of waste, cleaned, restored and secured in line with workplace

procedures. 6.3 Reusable material is collected and stored in line with workplace procedures. 6.4 Tools and equipment are cleaned, checked, maintained and stored in line with workplace

procedures. 6.5 Work completion details are finalised in line with workplace procedures.


41



MECHANICS

Title: Maintain Air-Conditioning And Heating Systems On Earthmoving Equipment

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to maintain the air-conditioning and heating systems on earthmoving equipment. This includes the inspection and rectification of defects on air-conditioning and heating system components, testing air-conditioning and heating system performance, and the evacuation and recharging of air-conditioning refrigerant systems. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place Level 1 or demonstrated equivalent skills and knowledge.

• Unit - Use and maintain hand tools and equipment used in diesel earthmoving equipment mechanics Level 1.

2. To demonstrate competence, at a minimum, evidence is required of: inspecting, testing,

evacuating the air-conditioning refrigerant system, recharging the air-conditioning refrigerant system of at least one vehicle; and checking and rectifying faults on the water hoses, fan and heat exchanger of at least one (1) vehicle. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification


or an appropriate simulated realistic environment in which diesel earthmoving mechanic operations are carried out.



recommendations, and workplace specific requirements.





42



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set, refrigerant leak detecting equipment (electronic or fluorescent fluid leak detector), thermometer, and air-conditioning recycling and charging station. Materials may include but are not limited to refrigerant and refrigerant oils, lubricants, spare parts and cleaning materials. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are


job, checked for serviceability and any faults rectified or reported prior to commencement. 1.4 Material requirements are identified and obtained in accordance with repair order form and

specifications. 1.5 Materials are safely handled and located ready for use in line with workplace procedures. 1.6 Technical and calibration requirements for tools and equipment are sourced and

implemented in line with workplace procedures. 1.7 Environmental protection requirements are identified and applied in line with environmental

plans and regulatory obligations. Element 2: Inspect air-conditioning system components Range Inspection methods are to include but are not limited to visual, aural and functional assessment (including damage, corrosion, leakage, wear) in line with manufacturers’ specifications.

43


Performance Criteria 2.1 Air passages in the condenser and radiator are visually inspected for restrictions in line with

manufacturers’ and workplace procedures. 2.2 Tension and condition of compressor driving belt is checked according to manufacturers’

specifications. 2.3 Air-conditioning system components including electrical wiring are visually inspected in line

with manufacturers’ and workplace procedures. Element 3: Test air-conditioning system performance Performance Criteria 3.1 Compressor operation is tested while system is in air-conditioning mode in line with

manufacturers’ and workplace procedures. 3.2 Refrigerant system is checked for leakages using electronic or fluorescent fluid leak detector

in line with manufacturers’ and workplace procedures. 3.3 Refrigerant system is tested for correct refrigerant charge and pressure according to

manufacturers’ specifications in line with workplace procedures. 3.4 Performance test on the entire system as is conducted in line with manufacturers’ and

workplace procedures. 3.5 Fault finding and diagnosis procedures are applied in line with manufacturers’ and workplace

procedures. Element 4: Evacuate air-conditioning refrigerant system Range Service operations may include but are not limited to isolation of faults, removing and installing, disassembling and assembling, inspection and evaluation, adjustments, operational testing, repair, replacement, and visual inspections in line with manufacturers’ specifications. Performance Criteria 4.1 Vehicle is parked on even surface in line with workplace procedures. 4.2 Personal protective clothing and equipment is used in line with manufacturers’ and

workplace procedures. 4.3 Air-conditioning recycling and charging station is connected to system’s pressure fittings in

line with manufacturers’ and workplace procedures. 4.4 Air-conditioning recycling and charging station is activated and pressure gauges are

observed to determine depressurised system in line with manufacturers’ and workplace procedures.

4.5 Air-conditioning recycling and charging station is disconnected in line with manufacturers’

and workplace procedures.

44


4.6 Service operations are carried out and pipe fittings of depressurised air-conditioning refrigerant system are closed using appropriate sealing caps according to manufacturers’ specifications.

Element 5: Recharge and test air-conditioning refrigerant system Performance Criteria 5.1 Correct information is accessed and interpreted from manufacturers’ specifications. 5.2 Air-conditioning recycling and charging station is connected to pressure fittings in line with

manufacturers’ and workplace procedures. 5.3 Air-conditioning recycling and charging station is activated to pull deep vacuum in line with

manufacturers’ and workplace procedures. 5.4 System is recharged in line with manufacturers’ and workplace procedures. 5.5 Final performance test is carried out and compared with manufacturers’ specifications.

Element 6: Maintain Heating System Performance Criteria 7.1 Water hoses are checked and defects rectified.

7.2 Fan is checked for correct operation and defects rectified.

7.3 Heat exchanger is checked and defects rectified.

7.4 Heating system tested.

Element 7: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 7.1 Work is completed and appropriate personnel notified in accordance with workplace


procedures. 7.3 Reusable material is collected and stored in accordance with workplace procedures. 7.4 Equipment used is cleaned, checked, maintained and stored in accordance with workplace

procedures. 7.5 Work completion details are finalised in accordance with workplace procedures.

45



46



MECHANICS

Title: Maintain basic electrical circuits of diesel earthmoving equipment

Level: 2 Credits: 4

Purpose This unit standard specifies the competencies required to maintain the basic electrical circuits of diesel earthmoving equipment. It includes servicing, testing and charging of batteries (including jump-starting) and circuit fault finding procedures. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place or demonstrated equivalent skills and knowledge.


2. To demonstrate competence, at a minimum, evidence is required of servicing,

testing and charging two batteries independently; jump-starting a vehicle with booster battery and a vehicle with booster pack; carrying out testing procedures on a prepared electrical circuit to determine open circuit, internal short, short to ground, and high resistance; replacing one of each of the following: relay, circuit protection device (fuse, fusible link, maxi fuse, or circuit breaker), switch and bulb. Perform these tasks ensuring correct identification of requirements, selection and use of appropriate processes, tools and equipment and completing all work to specification.


real workplace or an appropriate simulated realistic environment in which automotive mechanic operations are carried out.


of tools and equipment shall comply with manufacturers’ and company guidelines, instructions and reasonable flat rate time.



6. This unit standard applies to passenger, light commercial, heavy commercial, agriculture, road construction and heavy mining equipment and to 6 volt, 12 volt, and 24 volt systems.

47


7. Regulations and legislation relevant to this unit standard include the following: � Labour Act, No. 6, 1992 � Occupational Health and Safety Regulations No. 18, 1997 � Mining Regulations No. � Road Traffic and Transport Regulations No. 266, 2000


Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but are not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to tool set, battery terminal puller, battery carry handle or strap, hydrometer, jumper leads, battery charger, battery load tester and multimeter (analogue or digital). Materials may include but are not limited to distilled water, pole grease, circuit breaker, and fuses. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational

details are obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks that are consistent with the

requirements of the job, are checked for serviceability and any faults rectified or reported prior to commencement.

1.4 Materials appropriate to the work application are identified, obtained, prepared,

safely handled and located ready for use. 1.5 Environmental protection requirements are identified and applied in line with

environmental plans and regulatory obligations.

48


Element 2: Service batteries Range Adjustments to be made may include clock and radio. Performance Criteria 2.1 Information is accessed and correctly interpreted from manufacturers’

specifications. 2.2 Material, components, tools and equipment to complete work are identified,

selected and prepared in accordance with workplace procedures. 2.3 Electrolyte levels are checked and topped up in accordance with workplace

procedures. 2.4 Batteries and terminals are cleaned in accordance with workplace procedures. 2.5 Technical and tool requirements for removal and/or replacement of battery are

identified and support equipment is identified and prepared. 2.6 Methods for removal and/or replacement of battery are implemented in

accordance with workplace procedures and manufacturers’ specifications. 2.7 All adjustments made during the replacement are in accordance with

manufacturers’ specifications. Element 3: Charge batteries Range Battery charging is limited to normal and fast charging methods. Performance Criteria 3.1 Information for charging the battery is accessed and correctly interpreted from

manufacturers’ specifications. 3.2 Components, tools and equipment to complete work are identified, selected and

prepared in accordance with workplace procedures. 3.3 Electrolyte levels are checked and topped up in accordance with workplace

procedures. 3.4 Batteries are charged in accordance with workplace procedures and

manufacturer recommendations. Element 4: Test batteries Range Battery tests are hydrometer testing and load testing.

49


Performance Criteria 4.1 Information on procedure for battery testing is accessed and correctly

interpreted from product and vehicle manufacturer manual. 4.2 Components, tools and equipment are identified, selected and prepared in

accordance with workplace procedures. 4.3 Battery tests are performed and results analysed in accordance with workplace

procedures and manufacturers’ specifications. 4.4 Battery testing procedures are carried out in accordance with manufacturers’

procedures. Element 5: Jump-start vehicle Range Jump-start methods are from booster battery and booster pack. Performance Criteria 5.1 Information on procedure for jump-starting a vehicle is accessed and correctly

interpreted from manufacturers’ specifications. 5.2 Leads are connected and disconnected in correct sequence and polarity. 5.3 All work is carried out without causing damage to vehicle components or

systems. 5.4 Workplace documents are completed in accordance with company procedures. Element 6: Test circuits and/or components and identify faults Range Circuit and component tests are open circuit, internal short, short to ground and high resistance tests. Performance Criteria 6.1 Correct information on procedures is accessed and correctly interpreted from

manufacturers’ specifications. 6.2 Tests are carried out to determine faults using correct tools and techniques. 6.3 Circuits or components are tested without causing damage to vehicle

components or systems. 6.4 Faults are identified and reported.

50


Element 7: Replace electrical units and/or assemblies Range Electrical units or assemblies to be replaced are relays, circuit protection devices (fuse, fusible link, maxi fuse, or circuit breaker), switches and bulbs. Performance Criteria 7.1 Correct information is accessed and correctly interpreted from manufacturers’

specifications. 7.2 Electrical units or assemblies are replaced using approved methods, tools and

equipment. 7.3 Replacement is completed without causing damage to vehicle components or

systems. 7.4 Replacement activities are carried out according to manufacturers’ procedures. Element 8: Complete work and clean up Range Work completion details may include but are not limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 8.1 Work is completed and appropriate personnel notified in accordance with





Registration Data Subfield: Date first registered: 2014 Date this version registered: Anticipated review: 2019 Body responsible for review:

51



MECHANICS

Title: Conduct Breakdown And Recovery Services

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to conduct breakdown and recovery services. This includes determining the type of break-down service, jump-starting and towing vehicles. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of demonstrating the

conducting of breakdown and recovery services for at least two (2) vehicles and two (2) machines. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification










52



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. The equipment may include but is not limited to on-road, off-roads and mining vehicles or machines. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are


job, checked for serviceability and any faults rectified or reported prior to commencement. 1.4 Technical and/or calibration requirements for tools and equipment are sourced and


plans and regulatory obligations. Element 2: Ascertain type of break-down service Performance Criteria 2.1 Location of break-down site is secured and signposted in accordance with industry

guidelines and legislative requirements. 2.2 Information is sourced from driver at the scene in line with company procedures. 2.3 Details are obtained by visual and operational inspection of break-down vehicle in line with

company procedures. 2.4 Hazards are recognised and accounted for in establishing requirements for break-down

service in line with company procedures. 53


Element 3: Prepare vehicle for towing Preparation for towing includes but is not limited to switching on hazard switch, installing tow bar or rope and giving instructions to driver of vehicle. Performance Criteria 3.1 Vehicle is prepared for towing using recognised industry guidelines and legislative

requirements. 3.2 Equipment is safe handled and used according to manufacturers’ instructions and company

procedures. Element 4: Recover vehicle Performance Criteria 4.1 Jump-starting procedure is applied where applicable in line with manufacturers’ instructions. 4.2 Procedures for towing vehicle are applied in accordance with industry guidelines,

manufacturers’ instructions and legislative requirements.


54



MECHANICS

Title: Maintain Differentials and Final Drives

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to maintain differentials and final drives on earthmoving equipment. This includes the inspection and overhauling of the differential assembly and the servicing of reduction hubs. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of inspecting, overhauling

the differential assembly and the servicing the reduction hub of at least two (2) vehicles or machines. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










55



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. Equipment includes but is not limited to on-road, off-road and mining vehicles. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are


job, checked for serviceability and any faults rectified or reported prior to commencement. 1.4 Material requirements are identified and obtained in accordance with repair order form

and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace requirements. 1.6 Technical and/or calibration requirements for tools and equipment are sourced and

implemented in line with workplace requirements. 1.7 Environmental protection requirements are identified and applied in line with environmental

plans and regulatory obligations. Element 2: Inspect and assess differential assembly Range Inspection methods are to include but are not limited to functional testing, measurements, visual, aural and functional assessment (including damage, corrosion, leakage, wear) in line with manufacturers’ specifications.

56


Performance Criteria 2.1 Procedures and information required for inspecting and assessing the differential assembly

of a motor vehicle are identified and sourced in line with workplace requirements. 2.2 Inspection methods are implemented according to workplace procedures and

manufacturers’ specifications. 2.3 Inspection results are compared with manufacturers’ specifications. 2.4 Results are documented with evidence and supporting information and recommendation(s)

is made in line with workplace requirements. 2.5 Report is forwarded to appropriate personnel according to workplace procedures. Element 3: Overhaul differential assembly Range Overhaul methods are to include the complete dismantling of component parts, measuring and evaluation of wear, the replacement, repair, rebuilding or reconditioning of parts comparable to original parts, the assembly of parts, and performance of functional testing in line with manufacturers’ specifications. Performance Criteria 3.1 Information required for overhauling a differential assembly is accessed and interpreted from

manufacturers’ specifications. 3.2 Differential assembly is overhauled using approved methods, equipment and materials,

according to manufacturers’ specifications. 3.3 All adjustments made during the overhaul are implemented in line with manufacturers’

specifications. 3.4 Unexpected or unplanned contingencies that are encountered in overhauling differential

assembly are addressed through applying workplace procedures and manufacturers’ technical information.

3.5 Final performance test is conducted and results compared with manufacturers’

specifications. Element 4: Service Reduction Hubs Performance Criteria 4.1 Fluid levels are checked and correct levels maintained. 4.2 Reduction hubs are disassembled and cleaned. 4.3 Components are inspected for wear and assessments made. 4.4 Worn components are replaced. 4.5 Reduction hub is assembled according to manufacturer’s specifications.

57


4.6 Reduction hub oil is filled to correct level. Element 5: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 5.1 Work is completed and appropriate personnel notified in accordance with workplace





58



MECHANICS

Title: Maintain Manual Transmissions

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to maintain manual transmission systems on earthmoving equipment. This includes the inspection and overhauling of manual transmission systems and associated components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of inspecting, assessing

and overhauling the manual transmission system of at least two (2) vehicles or machines. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










59



Elements and Performance Criteria Element 1: Plan and prepare for work Range Includes but is not limited to on-road, off-road and mining vehicles and equipment. Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. The equipment may include but is not limited to on-road, off-roads and mining vehicles or machines. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are



and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced and



Element 2: Inspect and assess manual transmission system and associated components Range Inspection methods are to include but are not limited to functional testing, measurements, visual, aural and functional assessment (including: fluid leaks, wear, damage, corrosion) in line with manufacturers’ specifications.

60


Associated components may include but are not limited to clutch assembly (including: single or multi-plate, wet and dry construction, standard and heavy duty types), clutch actuating mechanism (including: mechanical and hydraulic). Faults may include but are not limited to noisy operation, jumping out of gear, sluggish gear shift, external oil leaks, and loss of drive. Performance Criteria 2.1 Procedures and information required for inspecting and assessing a manual transmission

system and associated components are identified and sourced in line with workplace procedures.

2.2 Inspection is conducted according to workplace procedures and manufacturers’

specifications. 2.3 Inspection results are compared with manufacturers’ specifications. 2.4 Results are documented with evidence and supporting information and recommendation(s)

made in line with workplace procedures. 2.5 Report is forwarded to appropriate personnel according to workplace procedures. Element 3: Overhaul manual transmission system and associated components Range Overhaul methods are to include the dismantling of component parts, measuring and evaluation of wear, the replacement, repair, rebuilding or reconditioning of parts comparable to original parts, the assembly of parts, and performance of functional testing in line with manufacturers’ specifications. Associated components may include but are not limited to clutch assembly (including: single or multi-plate, wet and dry construction, standard and heavy duty types), clutch actuating mechanism (including: mechanical and hydraulic). Performance Criteria 3.1 Information required for overhauling a manual transmission system and associated

components is accessed and interpreted from manufacturers’ specifications in line with workplace procedures.

3.2 Manual transmission and/or associated components are overhauled using approved

methods, equipment and materials, according to manufacturers’ specifications and tolerances.

3.3 All adjustments made during the overhaul are recorded according to manufacturers’

specifications. 3.4 Unexpected or unplanned contingencies that are encountered in overhauling manual

transmission system and associated components are addressed through applying workplace procedures, previous experience and manufacturers’ technical information.

3.5 Final performance test is conducted and results compared with manufacturers’

specifications.

61







62

1


MECHANICS

Title: Maintain Wheels and Tyres

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to maintain wheels and tyres on earthmoving equipment. This includes the removal, repair and fitting of rims, tyres and tubes, and the carrying out of wheel balancing. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of removing, fitting

and repairing tyres for at least two (2) vehicles. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.

3. Assessment evidence may be collected from a real workplace, or simulated real


4. All inspection, operation and maintenance procedures associated with the use of

tools and equipment shall comply with manufacturers’ guidelines and instructions. 5. 'Specifications' refer to any or all of the following: manufacturers’ specifications and






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2


Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but are not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to tool set, special tools and equipment required for performing the task, lift (hoist), wheel balancing machine, tyre fitting machine, floor stands, and tyre pressure gauge, tyre cage, mobile crane, mobile tyre handler, tyre press, mobile compressor and nitrogen filling kit. Materials are to include but are not limited to tyre and tube repair kit. Vehicles may include but not limited to on-road, off-road and mining equipment. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details

are obtained, confirmed and applied. 1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks are consistent with the requirements

of the job, checked for serviceability and any faults rectified or reported prior to commencement.


handled and located, ready for use. 1.5 Environmental protection requirements are identified and applied in line with

environmental plans and regulatory obligations. Element 2: Remove tyre from rim Range Inspection procedures are to include: measuring axial and lateral run out.

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3

Performance Criteria 2.1 Method for tyre removal is identified in line with workplace procedures and

manufacturers’ specifications. 2.2 Removal of tyre is carried out in line with manufacturers’ requirements. 2.3 Tyre is removed without causing damage to any components and in accordance with

legislative, workplace and manufacturers’ requirements. 2.4 Tyre and rim are inspected in readiness for repair. 2.5 Tyre removal activity is carried out according to legislative, workplace and

manufacturers’ requirements. Element 3: Repair tyres and tubes Range Tyre and tube repairs are to include tyre puncture repair in the tread area and tube repair or replacement within the specifications and limits of the manufacturer and legislation. Performance Criteria 3.1 Method for the repair is identified in line with workplace procedures and

manufacturers’ specifications. 3.2 Repair of tyre and tube are carried out without causing damage to any component

and in line with manufacturers’ and legislative requirements. Element 4: Fit tyres and tubes Performance Criteria 4.1 Method for tyre fitting is selected in accordance with workplace and manufacturers’

requirements. 4.2 Tyre and tube are mounted onto rim. 4.3 Tyre and tube assembly are pressure tested in accordance with manufacturers’

specifications. Element 5: Carry out wheel balancing procedures Range Wheel balancing is to include static and dynamic off-vehicle balancing. Performance Criteria

5.1 Method for balancing wheels and tyres is identified, selected and implemented in line with workplace procedures and manufacturers’ specifications.

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4

5.2 Adjustments are made during the balancing procedure in compliance with manufacturers’ specifications.

Element 6: Complete work and clean up Range Work completion details may include, but are not limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form, sign-out form for equipment. Performance Criteria 6.1 Work is completed and appropriate personnel notified in accordance with workplace

procedures. 6.2 Work area is cleared of waste, cleaned, restored and secured in accordance with

workplace procedures. 6.3 Reusable material is collected and stored in accordance with workplace procedures. 6.4 Tools and equipment are cleaned, checked, maintained and stored in accordance

with workplace procedures. 6.5 Work completion details are finalised in accordance with workplace procedures.

Registration Data Subfield:

Date first registered: 2014 Date this version registered: Anticipated review: 2019 Body responsible for review: Namibia Training Authority

66



MECHANICS

Title: Overhaul Cylinder Head

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to maintain the cylinder head on earthmoving equipment. This includes the dismantling of the cylinder head and inspection of its components, reconditioning of valves and valve seats, the assembly of the cylinder head, and the making of final adjustments. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of overhauling the cylinder

heads of at least two (2) vehicles or equipment. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










67


Quality Assurance Requirements

This unit standard and others within this subfield may be awarded by institutions which meet the accreditation requirements set by the Namibia Qualifications Authority and the Namibia Training Authority and which comply with the national assessment and moderation requirements. Details of specific accreditation requirements and the national assessment arrangements are available from the Namibia Qualifications Authority on www.namqa.org and the Namibia Training Authority on www.nta.com.na.

Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set including torque wrench, power tools, special equipment (e.g. valve facer, seat cutter etc.), measuring equipment, testing equipment, gasket seals. Materials may include but are not limited to lubricants, spare parts and cleaning materials. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are



and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced and



Element 2: Dismantle cylinder head Range Cleaning of component parts is limited to using appropriate solvents and procedures in compliance with workplace guidelines, environmental legislation and occupational health and safety requirements.

68


Performance Criteria 2.1 Correct method for dismantling cylinder head is accessed and interpreted from

manufacturers’ specifications. 2.2 Cylinder head is dismantled using approved methods, tools and equipment without causing

damage to any component or system in line with workplace procedures. 2.3 Component parts are cleaned in preparation for evaluation in line with workplace

procedures. Element 3: Inspect cylinder head and components Range Inspection methods include but are not limited to functional testing, measurements, visual, aural and functional assessment (including damage, corrosion, leakage, wear) in line with manufacturers’ specifications. Performance Criteria 3.1 Manufacturers’ specifications are sourced using workshop manuals and other standard

reference materials. 3.2 Cylinder head bolts diameter and length are measured in line with manufacturers’

specifications and workplace procedures. 3.3 Cylinder head is checked for flatness and cracks in line with manufacturers’ specifications

and workplace procedures. 3.4 Valve stems and guide bushings are measured in line with manufacturers’ specifications and

workplace procedures. 3.5 Valve lifters or pushrods, studs and rocker arm are inspected for wear in line with

manufacturers’ specifications and workplace procedures. 3.6 Valve length and valve head margin thickness is measured in line with manufacturers’

specifications and workplace procedures. 3.7 Valve seat contact is checked in line with manufacturers’ specifications and workplace

procedures. 3.8 The length of valve springs is measured and the valve springs are checked for squareness

in line with manufacturers’ specifications and workplace procedures. 3.9 Camshaft and bearings are checked for run out, cam lobe height, oil clearance and thrust

clearance in line with manufacturers’ specifications and workplace procedures. Element 4: Recondition valves and valve seats Performance Criteria 4.1 Valves are refaced in line with manufacturers’ specifications and workplace procedures.

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4.2 Valve seats are hand-lapped in line with manufacturers’ specifications and workplace procedures.

4.3 Final valve seating position is checked in line with manufacturers’ specifications and

workplace procedures. 4.4 Leakage test on valve seating is conducted in line with manufacturers’ specifications and


4.5 Test results are recorded and compared with manufacturers’ specifications and any deviations recorded and rectified.

Element 5: Assemble cylinder head Range Final adjustments may include but are not limited to valve clearance adjustments. Performance Criteria 5.1 Cylinder head is assembled without causing damage to any component or system in line

with manufacturers’ specifications and workplace procedures. 5.2 Assembly is carried out in compliance with manufacturers’ specifications. 5.3 Cylinder head is mounted and torque is set to specification in line with manufacturers’

recommendations. 5.4 Final adjustments are made in line with manufacturers’ specifications and workplace

procedures. Element 6: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 6.1 Work is completed and appropriate personnel notified in accordance with workplace




70



71



MECHANICS

Title: Perform minor service on diesel earthmoving equipment

Level: 2 Credits: 3

Purpose This unit standard specifies the competencies required to perform minor service on diesel earthmoving equipment. It includes checking and maintaining fluid levels and the lubrication of vehicle components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of maintaining fluid levels

in an engine lubrication system, cooling system, drive train system, battery, wiper washer system and hydraulic power steering system; lubricating door hinges, shafts joints, handbrake linkages, bonnet catch and striker plate, battery poles and terminals. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










72



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to tool set, lift (hoist) or inspection pit, grease gun, filter wrench, service boy (drain container) and special tools as required by the manufacturer. Materials are to include but are not limited to cleaning material, oils, lubricants and spare parts. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are





plans and regulatory obligations. Element 2: Check and maintain fluid levels

Range The checking and maintenance of fluid levels includes but is not limited to those of engine lubrication system, cooling system, drive train system, battery, wiper washer system, hydraulic power steering system, hydraulic automatic grease system, tyre pressures, track tension.

Performance Criteria 2.1 Correct information is accessed and interpreted from manufacturers’ specifications. 2.2 Fluid levels are checked, fluids drained and refilled in accordance with manufacturers’

specifications. 73


2.3 Fluid leaks are inspected in accordance with manufacturers’ procedures and reported to supervisor for action in line with workplace procedures.

2.4 Spillage of fluids is avoided and fluids are disposed of in accordance with environmental and

manufacturers’ requirements and workplace procedures. Element 3: Lubricate vehicle components Range Lubrication operations include but are not limited to door hinges, shafts joints, handbrake linkages, bonnet catches and striker plate, battery poles and terminals, ground engagement linkages. Performance Criteria 3.1 Correct lubricants and fluids are identified in line with manufacturers’ specifications. 3.2 Methods for lubrication operations are implemented in line with workplace procedures and

manufacturers’ specifications. 3.3 Minor adjustments made during lubrication operations in line with manufacturers’

specifications. 3.4 Used lubricants and fluids are disposed of in line with environmental and manufacturers’

requirements and workplace procedures. 3.5 Handling of lubricants and fluids is carried out according to workplace procedures and health

and safety requirements. Element 4: Complete work and clean up Range Work completion details may include but are not be limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 4.1 Work is completed and appropriate personnel are notified in accordance with workplace




74



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1


MECHANICS

Title: Service and Maintain Intake and Exhaust Systems of Diesel Earthmoving

Equipment

Level: 2 Credits: 2

Purpose This unit standard specifies the competencies required to service and maintain intake and exhaust systems of diesel earthmoving equipment. It includes the inspection, replacement and repair of faulty exhaust components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of servicing the

intake and exhaust systems of at least two (2) vehicles or equipment. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.








� Labour Act, No. 6, 1992 � Occupational Health and Safety Regulations No. 18, 1997 � Mining Regulations No.

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2



Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details



1.4 Material requirements are identified and obtained in accordance with repair order

form and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace

procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced and

implemented in line with workplace procedures. 1.7 Environmental protection requirements are identified and applied in line with


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3

Element 2: Repair and replace faulty exhaust components Range Repair methods and sequence are to include isolation of fault(s), dismantling, inspection and evaluation, replacement of components, reassembly and completion of operational tests and documents. Components to be repaired or replaced include but are not limited to air cleaners, pre-cleaners, exhaust manifolds, turbo-chargers, blowers, inter and after coolers, coolant, Oil and air hoses.

Performance Criteria 2.1 Correct information is accessed and interpreted from manufacturers’ specifications. 2.2 The removal, repair and replacement of faulty exhaust system components is carried

out in accordance with manufacturers’ specifications. 2.3 Faulty exhaust components are removed, repaired and replaced without causing

damage to other components or systems. 2.4 Removal, replacement and repair operations are completed in line with workplace

and legislative requirements. Element 3: Complete work and clean up Range Work completion details may include, but are not limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form, sign-out form for equipment. Performance Criteria

3.1 Work is completed and appropriate personnel notified in accordance with workplace procedures.



3.4 Tools and equipment are cleaned, checked, maintained and stored in accordance with workplace procedures.



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4


79

1



Compulsory Elective




Authority>


Authority>






1.1. Purpose







training;





documentation;



achieved.




country in general.


Holders of this qualification are able to maintain basic hydraulic systems of diesel

earthmoving equipment, maintain power transmissions of diesel earthmoving

equipment, maintain the diesel fuel system of diesel earthmoving equipment,

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2

maintain the pneumatic braking system of diesel earthmoving equipment,

maintain the wet braking system of diesel earthmoving equipment

maintain torque converters, overhaul engine sub-assembly, perform diagnostic

procedure on diesel earthmoving equipment, perform major service on diesel

earthmoving equipment, remove and refit major units of diesel earthmoving

equipment, service and maintain power and power assisted steering systems of

diesel earthmoving equipment, service and maintain track type final drives of

diesel earthmoving equipment, service and maintain track type, undercarriages of

diesel earthmoving equipment.






Compulsory






Dem 20 Maintain Basic Hydraulic Systems of Diesel

Earthmoving Equipment 3 3

Dem 21 Maintain Power Transmissions of Diesel


Dem 22 Maintain the Diesel Fuel System of Diesel


Dem 23 Maintain The Pneumatic Braking System of Diesel


Dem 24 Maintain the Wet Braking System of Diesel


Dem 25 Maintain Torque Converters 3 3

Dem 26 Overhaul engine sub-assembly 3 8

Dem 27 Perform Diagnostic Procedure on Diesel


Dem 29 Perform major service on diesel earthmoving

equipment 3 2

Dem 30 Remove and Refit Major Units of Diesel


Dem 31 Service and Maintain Power and Power Assisted

Steering Systems of Diesel Earthmoving Equipment 3 2

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3

Dem 32 Service and Maintain Track Type Final Drives of


Dem 33 Service And Maintain Track Type Undercarriages of











Rand Street

Khomasdal

Namibia









44 Bismarck St.

Windhoek

Namibia





Rand Street

Khomasdal

Namibia








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4



None



83


Unit ID: Dem 20

Domain DIESEL EARTHMOVING EQUIPMENT MECHANICS

Title: Maintain Basic Hydraulic Systems of

Diesel Earthmoving Equipment

Level: 3 Credits: 3

Purpose

This unit standard specifies the competencies required to maintain the basic hydraulic systems of diesel earthmoving equipment. It includes testing the system; inspection and replacement of components; assembling of components; and servicing the hydraulic system and hydraulic gas suspension cylinders. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites



2. To demonstrate competence, at a minimum, evidence is required servicing the basic hydraulic systems of at least two (2) vehicles or equipment. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.

3. Assessment evidence may be collected from a real workplace, or simulated real workplace or an appropriate simulated realistic environment in which diesel earthmoving mechanic operations are carried out.





84



and all subsequent amendments. Quality Assurance Requirements

This unit standard and others within this subfield may be awarded by institutions which meet the accreditation requirements set by the Namibia Qualifications Authority and the Namibia Training Authority and which comply with the national assessment and moderation requirements. Details of specific accreditation requirements and the national assessment arrangements are available from the Namibia Qualifications Authority on www.namqa.org and the Namibia Training Authority on www.nta.com.na.

Elements and Performance Criteria

Element 1: Plan and prepare for work

Range

Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. The equipment may include but is not limited to on-road, off-roads and mining vehicles or

machines.

Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details



1.4 Technical and/or calibration requirements for tools and equipment are sourced and

implemented in line with workplace procedures.

1.5 Environmental protection requirements are identified and applied in line with environmental plans and regulatory obligations.

85


Element 2: Test the system

Range This includes but is not limited to reservoirs, pumps, filters, actuators, hydraulic lines, hydraulic valves, gauges and warning systems. Performance Criteria 2.1 System is inspected for leaks. 2.2 System pressure is checked. 2.3 System is tested for correct operation.

Element 3: Replace hydraulic components

Performance Criteria 3.1 Components are removed.

3.2 Components are disassembled and inspected.

3.3 Components are replaced. Element 4: Assemble components Performance Criteria 4.1 Components are assembled. 4.2 System is refilled. 4.3 System operation is tested. Element 5: Service the hydraulic system Performance Criteria 5.1 Hydraulic oil is drained and replaced.Reservoir is cleaned with appropriate solvent.

5.2 Filters are changed.

5.3 Gaskets, seals and worn hoses are changed.

5.4 Pressure is checked.

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Element 6: Service hydraulic gas suspension cylinders

Range

This includes but is not limited to suspension cylinders, nitrogen charging valve, load

sensing devices.

Performance Criteria

6.1 Vehicle height is checked. 6.2 Gas pressure is checked. 6.3 Cylinders are discharged. 6.4 Cylinders are re-charged. 6.5 Vehicle height is re-checked. Element 7: Complete work and clean up Range

Work completion details may include, but are not limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form, sign-out form for equipment. Performance Criteria 7.1 Work is completed and appropriate personnel notified in accordance with workplace

procedures. 7.2 Work area is cleared of waste, cleaned, restored and secured in accordance with

workplace procedures. 7.3 Reusable material is collected and stored in accordance with workplace procedures. 7.4 Tools and equipment are cleaned, checked, maintained and stored in accordance

with workplace procedures. 7.5 Work completion details are finalised in accordance with workplace procedures.

Registration Data Subfield: Date first registered: 2014 Date this version registered: Anticipated review: 2019 Body responsible for review:

87



MECHANICS

Title: Maintain Power Transmissions of Diesel Earthmoving Equipment

Level: 3 Credits: 3

Purpose This unit standard specifies the competencies required to maintain the power transmission systems of diesel earthmoving equipment. This includes stripping, cleaning, inspecting and replacing components of power transmissions. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of servicing the power

transmission systems of at least two (2) vehicles or equipment. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










88




Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to hand tools, special tools, hoisting and lifting equipment, marking out tools and equipment, measuring tools, and other general workshop equipment as specified in the workshop manual. The equipment may include but is not limited to on-road, off-roads and mining vehicles or machines. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are


job, checked for serviceability and any faults rectified or reported prior to commencement. 1.4 Technical and/or calibration requirements for tools and equipment are sourced and



Element 2: Strip and clean components of power transmissions Range The components include but are not limited to housings, clutch plates, pressure plates, pistons, piston seals, shafts, bearings, gears, oil seals, gaskets, thrust washers, control valves, springs, planetary gear sets, shift linkages, transmission pump, and electric sensors. Performance Criteria 2.1 Transmission is disassembled according to workshop and manufacturer’s procedures. 2.2 Components are cleaned with suitable solvent. 2.3 Components are laid out in a neat chronological order.

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Element 3: Inspect and assess transmission components Range Transmission components include but are not limited to housings, clutch plates, pressure plates, pistons, piston seals, shafts, bearings, gears, oil seals, gaskets, thrust washers, control valves, springs, planetary gear sets, shift linkages, transmission pump, and electric sensors.

Performance Criteria 3.1 Components are inspected for wear.

3.2 Components are measured and results compared to manufacturer’s specifications. 3.3 Components are tested and results compared to specifications. 3.4 Results are documented and recommendations are made in line with manufacturers’

specifications and workplace procedures. Element 4: Assemble transmission Performance Criteria 4.1 Transmission is assembled in accordance with workshop and manufacturer’s procedures

and specifications. 4.2 Operation of transmission is tested. Element 5: Complete work and clean up Range Work completion details may include but are not be limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 5.1 Work is completed and appropriate personnel are notified in accordance with workplace




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© Namibia Qualifications Authority Version 1.0 1


MECHANICS

Title: Maintain the Diesel Fuel System of Diesel Earthmoving Equipment

Level: 3 Credits: 4

Purpose This unit standard specifies the competencies required to inspect and service a conventional diesel fuel system of earthmoving equipment. It includes the inspection and servicing of the diesel fuel system and associated parts. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of inspecting

and servicing a diesel fuel system comprising at a minimum the following activities: replacement of one (1) diesel fuel filter; testing one (1) cold-start device; adjusting one (1) injector and the injector pump.


real workplace or an appropriate simulated realistic environment in which automotive mechanics operations are carried out.

4. Performance of all elements in this unit standard must comply with

manufacturers’ specifications, workplace specific requirements and reasonable flat rate time.

5. Glossary of terms:

� ‘service operations’ refer to ‘on-vehicle service’ where operations can be directly performed on the vehicle and ‘component repair’ where the operations are done on the workbench after removing the component from the vehicle

� 'specifications' refer to any or all of the following: manufacturers’ specifications and recommendations, workplace specific requirements

� ‘conventional diesel fuel system’ refers to non-electronic controlled system. 6. This unit standard applies to passenger, light commercial, heavy commercial,

agriculture, road construction and heavy mining equipment.

92




Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set, gauges, calibration and pressure testing equipment, special tools as per manufacturers’ requirements. Materials may include but are not limited to spare parts, lubricants, and cleaning material. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational




order form and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace

procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced

and implemented in line with workplace procedures. 1.7 Environmental protection requirements are identified and applied in line with

environmental plans and regulatory obligations. 93


Element 2: Inspect and assess a conventional diesel fuel system Range Inspection methods are to include but are not limited to functional testing, measurements, visual, aural and functional assessment (including damage, corrosion, leakage, wear) in line with manufacturers’ specifications. Performance Criteria 2.1 Procedures and information required to inspect and assess a diesel fuel system

are identified and sourced in line with workplace procedures. 2.2 Inspection is implemented according to workplace procedures and

manufacturers’ specifications. 2.3 Inspection results are compared with manufacturers’ specifications in line with

workplace procedures. 2.4 Results are documented with evidence and supporting information and

recommendation(s) made in line with workplace procedures. 2.5 Report is forwarded to appropriate personnel according to workplace

procedures. Element 3: Service a diesel fuel system Range Service operations may include but are not limited to fluids, filters, adjustments, lubrication, isolation of faults, removing and installing, disassembling and assembling, inspection and evaluation, adjustments, operational testing, repair, replacement, cleaning injectors and visual inspections in line with manufacturers’ specifications. Diesel fuel system includes but is not limited to fuel tank, fuel lines, hose clamps, fuel filter, fuel supply pump, injector pump, injector, and cold start devices. Performance Criteria 3.1 Procedures and information required for servicing the diesel fuel system are

identified and sourced in line with workplace procedures. 3.2 Service operations are implemented according to workplace procedures and

manufacturers’ specifications. 3.3 Adjustments made during the service operations are undertaken in line with

manufacturers’ specifications. Element 4: Service unit injectors Performance Criteria 4.1 Mechanical and electronic injectors are removed and refitted. 4.2 Injectors are adjusted.

94


Element 5: Replace fuel control valves Performance Criteria 5.1 Valves are tested and assessed for correct operation according to

manufacturers’ specifications. 5.2 Valves are removed, replaced and adjusted in accordance with manufacturers’

and workshop procedures. Element 6: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 6.1 Work is completed and appropriate personnel notified in accordance with



procedures. 6.4 Equipment used is cleaned, checked, maintained and stored in accordance with



95

© Namibia Qualifications Authority Version 1.0

1

Unit ID: Dem 23


Title: Maintain The Pneumatic Braking System

of Diesel Earthmoving Equipment

Level: 3 Credits: 3

Purpose

This unit standard specifies the competencies required to maintain the pneumatic braking systems of diesel earthmoving equipment. It includes the disassembly and assembly of the system; inspection and testing of the system; and the identification, servicing, replacement and repair of faulty components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of testing and

inspecting and servicing the pneumatic braking system of at least one (1) vehicle or equipment including testing the system for leaks and pressure, and replacing and/or repairing at least five (5) components.








96


2



Elements and Performance Criteria Element 1: Plan and prepare for work

Range

Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set, gauges, calibration and pressure testing equipment, special tools as per manufacturers’ requirements. Performance Criteria

1.1 Work instructions, including repair order forms, specifications and operational details are obtained, confirmed and applied.

1.2 Safety requirements are followed in accordance with safety plans and policies. 1.3 Tools and equipment selected to carry out tasks are consistent with the requirements



form and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace

procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced and



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3

Element 2: Test the system

Performance Criteria

2.1 System is inspected for leaks.

2.2 System pressure is checked.

2.3 Braking system is tested for effective operation.

2.4 Defective components are identified.

Element 3: Replace and repair faulty components

Range The components include but are not limited to air cleaner, air dryer, compressor, reservoir, air lines, brake chambers, mechanical linkages, brake shoes, brake shoe return springs, brake drum valves such as; unloader, treadle, secondary brake, check, circuit protection, safety, load sensing, relay, quick release, trailer protection valves, accessories. Performance Criteria

3.1 Components are removed.

3.2 Components are disassembled and inspected.

3.3 Faulty components are repaired and/or replaced.

3.4 System is assembled and tested.

Element 4: Complete work and clean up

Range

Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 4.1 Work is completed and appropriate personnel notified in accordance with workplace

procedures.


4.3 Reusable material is collected and stored in accordance with workplace procedures. 4.4 Equipment used is cleaned, checked, maintained and stored in accordance with


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Unit ID: Dem 24


Title: Maintain the Wet Braking System of

Diesel Earthmoving Equipment

Level: 3 Credits: 3

Purpose This unit standard specifies the competencies required to maintain the wet braking systems of diesel earthmoving equipment. It includes the disassembly and assembly of the system; inspection and testing of the system; and the identification, servicing, replacement and repair of faulty components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of testing and

inspecting and servicing the wet braking system of at least one (1) vehicle or equipment including testing the system for leaks and pressure, and replacing and/or repairing at least five (5) components.








� Labour Act, No. 6, 1992 � Occupational Health and Safety Regulations No. 18, 1997

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2

� Mining Regulations No. � Road Traffic and Transport Regulations No. 266, 2000



Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set, gauges, calibration and pressure testing equipment, special tools as per manufacturers’ requirements. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details




form and/or specifications.

1.5 Materials are safely handled and located ready for use in line with workplace procedures.

1.6 Technical and/or calibration requirements for tools and equipment are sourced and



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3

Element 2: Test the brake system Performance Criteria 2.1 System is tested for leaks.

2.2 System pressure is checked. 2.3 Braking system is tested for efficient operation in accordance with manufacturers’

specifications.

Element 3: Replace and repair components The components include but are not limited to brake oil reservoir, brake pump, brake lights, friction plates, pressure plates, apply springs, release pistons, seals and gaskets, brake pedal, brake valves, filters, accumulators, gauges and warning systems. Performance Criteria 3.1 Components are removed.

3.2 Components are inspected.

3.3 Components are repaired and/or replaced.

3.4 System is assembled and tested.


procedures.

4.2 Work area is cleared of waste, cleaned, restored and secured in accordance with workplace procedures. 4.3 Reusable material is collected and stored in accordance with workplace procedures. 4.4 Equipment used is cleaned, checked, maintained and stored in accordance with



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MECHANICS

Title: Maintain Torque Converters

Level: 3 Credits: 3

Purpose This unit standard specifies the competencies required to maintain torque converters. It includes disassemble and reassemble of torque converters, cleaning components, identifying and replacing worn and damaged components, as well as checking engine operation against manufacturers’ specifications. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of disassembling one

torque converter, cleaning its components, identifying and replacing worn or damaged components, and assembling the torque converter. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










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Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set, power tools, specialist tools for removal and/or adjustment, lifting and supporting equipment, measuring equipment and tensioning equipment. Materials may include but are not limited to spare parts, engine oils, moving parts lubricants, gaskets, sealants, and cleaning material. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are



and/or specifications. 1.5 Materials are safely handled and located ready for use in line with workplace procedures in

line with workplace procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced and

implemented. 1.7 Environmental protection requirements are identified and applied in line with environmental


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Element 2: Strip and clean components of the torque converter Range This includes but is not limited to torque converters of on-road, off-road and mining vehicles and equipment. Performance Criteria 2.1 Torque converter is disassembled according to manufacturer’s procedures. 2.2 Components are cleaned with suitable solvent.

2.3 Components are laid out in chronological order. Element 3: Inspect and assess torque converter components

Range The components include but are not limited to housings, impeccor, turbine, shafts, bearings, gaskets, rubber and metal seals, control valves, torque converter, hydraulic pumps, springs, thrust washers. Performance Criteria 3.1 Components are inspected for wear and damage. 3.2 Components are measured and compared to manufacturer’s specifications. 3.3 Results are documented with evidence and supporting information and recommendations

are made in line with workplace procedures.

Element 4: Assemble Torque Converter Performance Criteria 4.1 Worn components are replaced.

4.2 Torque converter is assembled according to manufacturer’s specifications. 4.3 Adjustments are done according to manufacturer’s specifications. Element 5: Complete work and clean up Range Work completion details may include but are not be limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 5.1 Work is completed and appropriate personnel are notified in accordance with workplace

procedures.

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5.3 Reusable material is collected and stored in accordance with workplace procedures. 5.4 Tools and equipment are cleaned, checked, maintained and stored in accordance with



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MECHANICS

Title: Overhaul engine sub-assembly

Level: 3 Credits: 8

Purpose This unit standard specifies the competencies required to overhaul engine sub-assembly. It includes dismantling, overhauling, reassembling engine sub-assemblies and components as well as checking engine operation against manufacturers’ specifications. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites

• Unit - Apply safety rules and regulations in an automotive mechanics workshop L1 or demonstrated equivalent knowledge and skills.


2. To demonstrate competence, at a minimum, evidence is required of

disassembling one engine sub-assembly, cleaning its components, identifying and replacing worn or damaged components, and checking the engine operation. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.

3. Assessment evidence may be collected from a real workplace or a simulated real workplace or an appropriate simulated realistic environment in which automotive mechanics operations are carried out.

4. Performance of all elements in this unit standard must comply with

manufacturers’ specifications, workplace specific requirements and reasonable flat rate time.

5. Glossary of terms:

� 'specifications' refer to any or all of the following: manufacturers’ specifications and recommendations, workplace specific requirements

� ‘engine sub-assemblies’ refer to four (4) stroke ignition engines, two (2) stroke ignition engines, four (4) stroke compression ignition engines, two (2) stroke compression ignition engines.

6. This unit standard applies to passenger, light commercial, heavy commercial,

agriculture, road construction and heavy mining equipment. 7. Regulations and legislation relevant to this unit standard include the following:


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8. This unit standard applies to passenger and light commercial vehicles with a

Gross Vehicle Mass ≤ 5 500 kg (Petrol & Diesel).


Elements and Performance Criteria Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set, power tools, specialist tools for removal and/or adjustment, lifting and supporting equipment, measuring equipment and tensioning equipment. Materials may include but are not limited to spare parts, engine oils, moving parts lubricants, gaskets, sealants, and cleaning material. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational





procedures in line with workplace procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced

and implemented. 1.7 Environmental protection requirements are identified and applied in line with


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Element 2: Dismantle engine sub-assembly Performance Criteria 2.1 Engine sub-assembly is dismantled in a logical sequence in line with

manufacturers’ specifications and workplace procedures. 2.2 Dismantling of engine sub-assembly and relevant components is completed

without causing damage to any component or system in line with manufacturers’ specifications and workplace procedures.

2.3 Components are cleaned ready for inspection in line with manufacturers’

specifications and workplace procedures. Element 3: Overhaul engine sub-assembly components Range Overhaul methods are to include the complete dismantling of component parts, measuring and evaluation of wear, the replacement, repair, rebuilding or reconditioning of parts comparable to original parts, the assembly of parts, and performance of functional testing in line with manufacturers’ specifications. Performance Criteria 3.1 Information required for overhauling of engine sub-assembly is accessed and

interpreted from manufacturers’ specifications and in line with workplace procedures.

3.2 Components are measured and compared against manufacturers’

specifications and tolerances in line with workplace procedures. 3.3 Decisions are made as to serviceability and repair method of each component

in line with manufacturers’ specifications and workplace procedures. 3.4 Replacement parts are identified and sourced in line with manufacturers’

specifications and workplace procedures. 3.5 Rebuilding or replacement of engine sub-assembly and/or engine sub-assembly

components is carried out according to manufacturers’ specifications and tolerances.

3.6 Unexpected or unplanned contingencies that are encountered in overhauling

engine sub-assembly are addressed through applying workplace procedures and manufacturers’ technical information.

3.7 Overhaul activities are carried in line with manufacturers’ specifications and

workplace procedures. Element 4: Assemble engine and components Performance Criteria 4.1 Engine is assembled following manufacturers’ and workplace procedures.

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4.2 Running clearances are measured against manufacturers’ specifications, differences are explained and necessary adjustments are made in line with workplace and manufacturers’ procedures.

4.3 Assembly of engine is completed in line with manufacturers’ specifications and

workplace procedures. 4.4 Assembly is completed without causing damage to any component or system in

line with manufacturers’ specifications and workplace procedures. Element 5: Check engine operation Performance Criteria 5.1 Technical data on engine operation is accessed and interpreted from print and

online manuals and other sources in line with workplace procedures. 5.2 Engine is securely mounted in preparation for starting in line with

manufacturers’ specifications and workplace procedures. 5.3 Engine fluid levels, including lubrication and coolant, are checked in line with

manufacturers’ specifications and workplace procedures. 5.4 Gauges and warning devices are checked for operation prior to starting in line

with manufacturers’ specifications and workplace procedures. 5.5 Engine is started and checked for leaks and abnormal noises in line with

manufacturers’ specifications and workplace procedures. 5.6 Variations in engine operation are identified, explained and rectified in line with

workplace procedures. 5.7 Final inspection and adjustments are conducted according to manufacturers’

specifications and workplace procedures. Element 6: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 6.1 Work is completed and appropriate personnel notified in accordance with





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112



MECHANICS

Title: Perform Diagnostic Procedure on Diesel Earthmoving Equipment

Level: 3 Credits: 2

Purpose This unit standard specifies the competencies required to diagnose faults on the units, components and systems of diesel earthmoving equipment. It includes the visual inspection of units, components and systems, audible and electronic inspections, pressure testing units, and performing electronic fault diagnosis. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place or demonstrated equivalent skills and knowledge L1 or demonstrated equivalent knowledge and skills.


2. To demonstrate competence, at a minimum, evidence is required of diagnosing

faults on diesel earthmoving equipment through the visual, audible and electronic inspection of six (6) components, testing air, fuel, oil, tyre and turbo bust pressure, and performing electronic fault diagnosis. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.






and recommendations, and workplace specific requirements.





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Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to standard tool set including torque wrench, power tools, special equipment (e.g. valve facer, seat cutter etc.), measuring equipment and testing equipment. Materials may include but are not limited to lubricants and cleaning materials. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational





procedures. 1.6 Technical and/or calibration requirements for tools and equipment are sourced

and implemented in line with workplace procedures. 1.7 Environmental protection requirements are identified and applied in line with


Element 2: Inspect the units, components and systems of a vehicle or equipment Range This includes but is not limited to the visual inspection of vehicles and equipment for leaks, cracks, wear, play, smoke, fumes.

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Performance Criteria 2.1 Units, components and systems are inspected for leaks, cracks, wear, play,

smoke, fumes.

2.2 Faults are identified and recorded.

2.3 Recommendations for the rectification of faults are made. Element 3: Observe audible signs of malfunctions Performance Criteria 3.1 Units, systems and components are inspected for audible evidence of noise

and misfiring. 3.2 Faults are identified and recorded. 3.3 Recommendations for the rectification of faults are made. Element 3: Pressure test units and systems Range This includes but is not limited to fuel, air and oil, pressure, tyre pressure, turbo bust pressure. Performance Criteria 3.1 Units and systems are pressure tested according to manufacturers’

specifications and procedures. 3.2 Pressures are analysed and recorded. 3.3 Recommendations for corrective action are made. Element 4: Perform electronic fault diagnosis Performance Criteria 4.1 Electronic fault diagnosis is performed using appropriate approved equipment

and software as recommended by the manufacturer.

4.2 Results are recorded and recommendations made.

Element 5: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form.

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Performance Criteria 5.1 Work is completed and appropriate personnel notified in accordance with




5.4 Equipment used is cleaned, checked, maintained and stored in accordance with workplace procedures.


Registration Data


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MECHANICS

Title: Perform major service on diesel earthmoving equipment

Level: 3 Credits: 3

Purpose This unit standard specifies the competencies required to perform major service on diesel earthmoving equipment. This includes servicing the engine, servicing fuel, power/drive train, braking, steering, and hydraulic and suspension systems, and servicing hydraulic components and undercarriage. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics workplace L1 or demonstrated equivalent skills and knowledge.


2. To demonstrate competence, at a minimum, evidence is required of servicing each of the

following systems of diesel earthmoving equipment: the engine, fuel, power/drive train, braking, steering, hydraulic, suspension, and servicing hydraulic components and undercarriage. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










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plans and regulatory obligations. Element 2: Service engine Performance Criteria 2.1 Engine oil is changed.

2.2 Filters are replaced. 2.3 Gauges and warning systems are checked for operation and faults rectified. 2.4 Valves are adjusted. 2.5 Oil leaks are identified and rectified.

2.6 Cooling system is flushed and coolant filled to the correct level.

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2.7 Water filters are replaced and correct amount of anti-freeze added.

2.8 Cooling system pressure is tested and leaks rectified.

2.9 Rad core/tins are cleaned.

2.10 V-belts are replaced and adjusted.

2.11 Air cleaners are changed. Element 3: Service fuel system Performance Criteria 3.1 Sediment is drained from fuel tank. 3.2 Filters are changed and system bleeded. 3.3 Water traps are cleaned. 3.4 Injectors are removed, tested and replaced. 3.5 Electrical shut-off valves, glow plugs, gauges and warning systems are checked, adjusted or

replaced.

3.6 System is inspected for leaks and faults are rectified.

3.7 Fuel pressure is checked and faults rectified. Element 4: Service power/drive train Range ??? Performance Criteria 4.1 Drive train oil and filters are changed. 4.2 Drive train components are checked for defects and faults rectified. 4.3 Linkages are lubricated. 4.4 Power train hydraulic pressures are checked and faults rectified. Element 5: Service braking system Performance criteria 5.1 Brake linings, pads, disks, drums, boosters are inspected and worn components replaced. 5.2 Brake pipes are inspected and faults rectified. 5.3 Compressed air tanks are drained.

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5.4 Air pressures are checked and faults rectified. 5.5 Brakes and linkages are adjusted. 5.6 Accumulator pressures are checked and charged. 5.7 Vehicle is road tested and the operation of brakes checked. Element 6: Service steering system Performance Criteria 6.1 Steering system fluids and filters are changed. 6.2 Steering hydraulic pressure is checked. 6.3 System is checked for leaks and defects rectified. 6.4 Steering geometry is checked and adjusted. Element 7: Service hydraulic system Performance criteria 7.1 Hydraulic system fluids and filters are changed. 7.2 Hydraulic system is pressure tested.

7.3 System is checked for leaks and defects rectified.

Element 8: Service hydraulic implements Range Hydraulic implements include but are not limited to hydraulic cylinders, H-Frames, buckets, blades, rock hammers, rippers, grabs, shovel, linkages, pins, bowls and cutting edges. Performance criteria 8.1 Hydraulic system fluids and filters are changed. 8.2 Components are inspected for defects and faulty components repaired or replaced. 8.3 Components are lubricated. Element 9: Service undercarriage Range This includes but is not limited wheels, tyres, tracks, idlers, rollers and sprockets.

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Performance criteria 9.1 Components are inspected and faulty parts repaired or replaced. 9.2 Tyre pressures are checked and correct pressure maintained. 9.3 Track tension is checked and correct tension maintained. Element 10: Service suspension system Range This includes but is not limited to suspension cylinders, leave springs, coil springs, shock absorbers, and air suspension cylinders/bags. Performance Criteria 10.1 Components are inspected and faulty parts repaired or replaced. 10.2 Hydraulic suspension cylinder pressures are checked and correct pressure maintained. 10.3 Components are lubricated. Element 11: Complete work and clean up Range Work completion details may include but are not be limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 11.1 Work is completed and appropriate personnel are notified in accordance with workplace




Registration Data Subfield: Date first registered: 2014 Date this version registered: Anticipated review: 2019

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Body responsible for review: Namibia Training Authority

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MECHANICS

Title: Remove and Refit Major Units of Diesel Earthmoving Equipment

Level: 3 Credits: 3

Purpose This unit standard specifies the competencies required to remove and refit major units and components of diesel earthmoving equipment. The units and components include but are not limited to engines, transmissions, final drives, brakes, steering components, hydraulic components, ground engaging equipment, axles, cooling and fuel system components, body and frame components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information: Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of removing and refitting

one (1) engine and at least six (6) other units or components. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.










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plans and regulatory obligations. Element 2: Remove Components

Performance Criteria 2.1 Correct lifting and jacking points are used.

2.2 Suitable lifting gear is used.

2.3 Components are removed according to manufacturers’ specifications and workshop

regulations and procedures.

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Element 3: Replace components Performance Criteria 3.1 Components are replaced according to manufacturers’ specifications and workshop

procedures. 3.2 Units and components are inspected for leaks.

3.3 Components are tested for correct operation and function in compliance with manufacturers’

specifications. Element 4: Complete work and clean up Range Work completion details may include but are not be limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 4.1 Work is completed and appropriate personnel are notified in accordance with workplace





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MECHANICS

Title: Service and Maintain Power and Power Assisted Steering Systems of Diesel

Earthmoving Equipment

Level: 3 Credits: 3

Purpose This unit standard specifies the competencies required to service and maintain the power and power-assisted steering systems of diesel earthmoving equipment. This includes inspecting components for leaks, wear and damage, testing system pressure, replacing components, and adjusting the steering box, hydraulic pressure and mechanical linkages, and servicing the steering system. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites:

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place or demonstrated equivalent skills and knowledge L1.


2. To demonstrate competence, at a minimum, evidence is required of inspecting at least four

(4) components for leaks, wear and damage, replacing faulty components, adjusting one (1) steering box, adjusting the hydraulic pressure of one (1) power or power-assisted steering system, and adjusting the mechanical linkages of one (1) steering system. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.









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Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to tool set, lift (hoist) or inspection pit, grease gun, filter wrench, service boy (drain container) and special tools as required by the manufacturer. Materials are to include but are not limited to cleaning material, oils, lubricants and spare parts. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational details are






Element 2: Inspect components Range The components include but are not limited to components of power and power assisted systems such as hydraulic hoses, valves, steering boxes, hydraulic cylinders, mechanical linkages. Performance Criteria 2.1 Components are inspected for leaks, wear, and damage.

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2.2 System pressure is tested.

2.3 Faults are identified, recorded and reported.

Element 3: Replace components Performance Criteria 3.1 Components are removed according to manufacturers’ specifications. 3.2 Components are replaced according to manufacturers’ specifications. Element 4: Adjust components Performance Criteria 4.1 Steering box is adjusted to specifications.

4.2 Hydraulic pressure is adjusted.

4.3 Mechanical linkages are adjusted.

Element 5: Service the steering system Performance Criteria 5.1 Steering system fluid is replaced.

5.2 Reservoir is cleaned with appropriate solvent. 5.3 Filters are changed. 5.4 Worn hoses are changed.

Element 6: Complete work and clean up Range Work completion details may include but are not be limited to work schedule or appointment sheet, vehicle drop-off form, repair order form, service record book, service plan form and sign-out form for equipment. Performance Criteria 6.1 Work is completed and appropriate personnel are notified in accordance with workplace




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Registration Data


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MECHANICS

Title: Service and Maintain Track Type Final Drives of Diesel Earthmoving Equipment

Level: 3 Credits: 8

Purpose This unit standard specifies the competencies required to service and maintain the track type final drives of diesel earthmoving equipment. This includes maintaining correct fluid levels, inspecting and assessing components for wear and damage and documenting results and making recommendations, and assembling final drive components. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites

• Unit - Apply safety rules and regulations in a diesel earthmoving equipment mechanics work place or demonstrated equivalent skills and knowledge L1.


2. To demonstrate competence, at a minimum, evidence is required of maintaining

correct fluid levels for one (1) vehicle or equipment, inspecting and assessing components of one (1) track type final drive for wear and damage, and assembling the components of one (1) track type final drive. In performing these tasks ensure correct identification of requirements and finishing of the tasks, correct selection and use of appropriate processes, tools and equipment and completing all work to specification.


real workplace or an appropriate simulated realistic environment in which automotive mechanics operations are carried out.






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Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to tool set, lift (hoist) or inspection pit, grease gun, filter wrench, service boy (drain container) and special tools as required by the manufacturer. Materials are to include but are not limited to cleaning material, oils, lubricants and spare parts. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational






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Element 2: Maintain correct fluid levels Range Equipment for which the correct fluid levels are maintained include but are not limited to track type dozers and loaders. Performance Criteria 2.1 Fluid level is checked according to manufacturers’ specifications.

2.2 Correct fluid level is maintained using appropriate lubricants. Element 3: Inspect and assess components Range The components include but not limited to pinion shaft, crown wheel, steering clutches, brake pads, hydraulic pistons, piston seals, springs, actuating levers, oil seals, gaskets, gears, shafts, bearings. Performance Criteria 3.1 Components are inspected and wear is assessed in accordance with

manufacturers’ specifications and workplace procedures. 3.2 Results are documented and recommendations made. Element 4: Assemble final drive components Performance Criteria 4.1 Final drive components are assembled according to manufacturers’

specifications. 4.2 Final drive components are adjusted. 4.3 Assembly is completed without causing damage to any component or system in

line with manufacturers’ specifications and workplace procedures. Element 5: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 5.1 Work is completed and appropriate personnel notified in accordance with


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5.3 Reusable material is collected and stored in accordance with workplace




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MECHANICS

Title: Service And Maintain Track Type Undercarriages of Diesel Earthmoving

Equipment

Level: 3 Credits: 2

Purpose This unit standard specifies the competencies required to service and maintain the track type undercarriages of diesel earthmoving equipment. This includes cleaning components, inspecting components for damage and loose bolts, replacing components, adjusting components, measuring components to assess wear and recording wear, and lubricating the undercarriage. This unit standard is intended for those who work as diesel earthmoving equipment mechanics. Special Notes 1. Entry information:

Prerequisites



2. To demonstrate competence, at a minimum, evidence is required of servicing

and maintaining the track type undercarriage of one (1) equipment by performing all the tasks in the elements and performance criteria of this unit standard.


4. Assessment evidence may be collected from a real workplace or a simulated real workplace or an appropriate simulated realistic environment in which automotive mechanics operations are carried out.

5. All inspection, operation and maintenance procedures associated with the use of tools and equipment shall comply with manufacturers’ guidelines and instructions.





� Labour Act, No. 6, 1992 � Occupational Health and Safety Regulations No. 18, 1997

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� Mining Regulations No. � Road Traffic and Transport Regulations No. 266, 2000



Element 1: Plan and prepare for work Range Planning and preparation may include but is not limited to workplace inspection, equipment defect identification, assessment of conditions and hazards and determination of work requirements. Tools and equipment may include but are not limited to tool set, lift (hoist) or inspection pit, grease gun, filter wrench, service boy (drain container) and special tools as required by the manufacturer. Materials are to include but are not limited to cleaning material, oils, lubricants and spare parts. Performance Criteria 1.1 Work instructions, including repair order forms, specifications and operational





environmental plans and regulatory obligations. Element 2: Clean components Range Components of the undercarriage include but are not limited to: sprockets, track grousers, idlers, carrier rollers, guide rollers, guards slack adjuster spring, slack adjuster cylinder, track pins, track bushes and sprocket segments.

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Performance Criteria 2.1 Components are removed, where appropriate.

2.2 Undercarriage is cleaned using suitable high pressure cleaning equipment and

solvents.

Element 3: Inspect components Performance Criteria 3.1 Components are inspected for damage and loose bolts. 3.2 Components are measured using appropriate manufacturers’ measuring tools

and wear assessment tools. 3.3 Measurements are recorded and compared with manufacturers’ wear

assessment specifications.

3.4 Wear is recorded and recommendations are made. Element 4: Replace components Performance Criteria 4.1 Components are removed following manufacturers’ specifications and

manufacturers’ and workplace safety regulations. 4.2 Worn parts are replaced. 4.3 All bolts and nuts are replaced. Element 5: Adjust track tension Performance Criteria 5.1 Track tension is adjusted according to manufacturers’ specifications. Element 6: Lubricate the undercarriage Performance Criteria 6.1 The correct tools, equipment and lubricants are selected. 6.2 All parts are lubricated according to manufacturers’ specifications and

procedures.

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Element 7: Complete work and clean up Range Work completion details may include but are not limited to repair order form, sign-out form for equipment, service record book and service plan form. Performance Criteria 7.1 Work is completed and appropriate personnel notified in accordance with




7.4 Equipment used is cleaned, checked, maintained and stored in accordance with workplace procedures.


Registration Data


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DRAFT UNIT STANDARDS AND QUALIFICATIONS OF DIESEL EARTHMOVING EQUIPMENT MECHANIC

The following are number of new unit standards and qualifications that have been developed:

• Diesel Earthmoving Equipment Mechanic Unit Standards Level 1 – 3

• Diesel Earthmoving Equipment Mechanic Qualifications Level 1 – 3

You are invited to make comments on the drafts to assist the relevant Technical Working Group convened by the Manufacturing Automotive Sales Arts and Crafts, Industry Skills Committee in the further refinement of the drafts.

Focus of Comments Required Focus Questions

• Is the Title of the unit standard indicating ability that people working in the Diesel Earthmoving Equipment Mechanic sector should have the opportunity to be recognised as having?

• Does the Title provide a good summary of the Elements of the unit standard?

• Does the content of the unit standard describe a level of ability that aligns with the relevant NQF Level Descriptor?

• Is the Credit value shown a fair reward to people attaining the credits for the unit standard?

• Are the definitions shown in the Special Notes accurate and sufficient?

• Are the Special Notes regarding assessment and training fair and reasonable? Will they create any problems for training or assessment?

• Is the type and amount of evidence stated in the Special Notes and/or Range Statements fair and manageable?

• Are there any Performance Criteria (evidence that someone has the ability) that are: o Stated incorrectly? o Not essential? o Essential but not stated?

• Is there any part of the unit standard that could be written more simply?

When making comments, state clearly:

• the part of the unit standard you are commenting on,

• what is wrong, and

• what you think the information should state.

PLEASE return your comments BEFORE 17 November 2014 by mail, fax or email to: Alpheas Shindi Namibia Training Authority P. O Box 70407 Khomasdal NTA Village, Rand Street, Windhoek Fax: +264 61 279 551 Email: [email protected]

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Level Descriptors

National Qualifications Framework

Level 1:

♦ Employs and recalls a narrow range of knowledge and cognitive skills. No generation of new ideas.

♦ Carry out processes that are limited in range, repetitive and familiar and employed within closely defined contexts.

♦ Applied in directed activity under close supervision with no responsibility for the work or learning of others.

Level 2:

♦ Employs basic operational knowledge using readily available information. Uses known solutions to familiar problems with little generation of new ideas.

♦ Carry out processes that are moderate in range, are established and familiar and offer a clear choice of routine responses

♦ Applied in directed activity under general supervision and quality control. Some responsibility for quantity and quality, with possible responsibility for guiding.

Level 3:

♦ Employing some relevant theoretical knowledge and interpretation of available information. Uses discretion and judgment over a range of known responses to familiar problems.

♦ Carry out processes that require a range of well-developed skills and offer a significant choice of procedures within a range of familiar contexts.

♦ Applied in directed activity with some autonomy. Under general supervision and quality checking, though with significant responsibility for the quantity and quality of output, with possible responsibility for the output of others.

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Diesel Earthmoving Equipment Mechanic: Draft Unit Standards and qualifications (2014)

DRAFT UNIT STANDARDS AND QUALIFICATIONS FOR DIESEL EARTHMOVING EQUIPMENT MECHANIC

Return this form to NTA before or on 17 November 2014

To Namibia Training Authority NTA Building, Rand Street, Khomasdal, Windhoek

Attention Alpheas Shindi

Telephone Number

+264 (061) 2078 122 Fax Number

+264 (061) 2078 123

Email [email protected]

From

Organisation

Email Telephone number

� I agree with the information presented in the draft Unit Standards and Qualifications for Diesel Earthmoving Equipment Mechanic

� I agree the information presented in the above Unit Standards and Qualifications subject to the inclusion of my feedback/comments. Refer to the attached.

� I do not agree with the information presented in the above Unit Standards and Qualifications and wish to be contacted by the NTA to discuss my concerns.

Name

Signature

Date

140


Comments: Qualifications Domain: Diesel Earthmoving Equipment Mechanic

Level Comments

Level 1

Level 2

Level 3

141


Comments: Unit Standards Domain: Diesel Earthmoving Equipment Mechanic

Unit ID -Dem

Unit Title and Comment

01.

02.

03.

04.

05.

06.

142


07.

08.

09.

10.

11.

12.

13.

143


14.

15.

16.

17.

18.

19.

20.

144


21.

22.

23.

24.

25.

26.

27.

145


28.

29.

30.

31.

32.

33.

146