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Mobile Equipment
Module 12
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DISCLAIMERThis material was produced under grant
number SH-22248-1 from the Occupational Safety and Health Administration, U.S.
Department of Labor. It does not necessarily reflect the views or policies of
the U.S. Department of Labor, nor does mention of trade names, commercial
products, or organizations imply endorsement by the U.S. Government.
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Objectives• After this module you should be able to– identify the most common mobile equipment
hazards– take the steps necessary to avoid those
hazards
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Mobile Equipment Hazards• Being struck by or run over by equipment• Equipment rollovers• Making contact with power lines• Defective equipment• Not using the equipment according to the
manufacturer’s instructions• Getting caught in moving parts• Being crushed by elevated components which fall• Equipment fires• Falls• Hearing loss• Loading and unloading equipment
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inspections of mobile equipment are essential for safe operation
this operator is completing his daily inspection
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Pulling Equipment from Service• Reasons to pull a piece of equipment from
service and tag– inoperative backup alarm or horn– defective or missing fire extinguisher– defective or missing seat belt– brake problems– broken or missing mirrors– cracked, broken, or missing glass– defective doors or latches that prevent operator exit– fluid leaks that could affect safe operation– any other safety or health hazard likely to cause
serious harm
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this disabled backup alarm was discovered during a preshift inspection
Corrective Action: this machine should be pulled from service, tagged, and repaired
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operators may not always see a worker approaching them
approach equipment only after making eye contact and signaling the operator; wait for their approval
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while the equipment is running, this worker is in an unsafe position talking with the operator
Corrective Action: never enter into the direct path of moving equipment (or equipment that may move unintentionally)
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this is a much safer place to be
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this worker is in the direct path of travel and can’t be seen
Corrective Actions: never forget that equipment has blind spots; work defensively
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improper parking can result in out-of-control and runaway equipment which is a hazard to both the operator and ground workers
when getting off the equipment, make sure to set the brake, place the transmission in park, and ground all attachments
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equipment rollovers often result in the operator being ejected and crushed
simply making seatbelt use a habit may save your life
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valuable safety-related information can be found in the operator’s manual
this operator is taking a moment to review the safe operation of his piece of equipment
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unsupported machine components can drop unexpectedly
Corrective Actions: use the support provided by the manufacturer; if a support is not provided, crib, chock, or block; never place any part of your body, even for a moment, under any suspended load or elevated piece of equipment
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you, your equipment, and materials must stay at least 10’ from powerlines
you should be told by your supervisor when a greater approach distance is required due to higher voltages
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this photograph was taken after a truck loaded with mobile equipment caught these lines and tore them down
ensure that the load being hauled is low enough to clear power lines
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guy wires from the rig must be visibly marked
although this was a good start, these guy wires need several more flags per wire for visibility
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a fire extinguisher should be mounted on every piece of mobile equipment
ensure that every piece of equipment has an extinguisher and that it is inspected periodically
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this attachment lacks a safety pin; the attachment could come off and strike a ground worker
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unsecured items in the cab can end up under pedals, interfere with safe operation, or can hit a worker in the event of a rollover
Corrective Actions: keep unnecessary items out of cab; secure those that must be there
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take the time to read and follow all warning labels, many workers would be alive if they had
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rags and other items can create serious fall hazards in and around equipment access points
Corrective Action: keep steps and other equipment access areas clear and clean
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most equipment makes enough noise to eventually damage your hearing
this worker is protecting his hearing in a loud environment
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a rollover protective system (ROPS), guarding of moving parts, and warning labels must be in place
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keep the load reasonably low; also, if the load is too high to see over, tram in reverse
a load that is kept low to the ground will be more stable and easier to control
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certify the competency of operators of machinery by classroom and hands-on training
Certified Forklift Operator Cards
an employee must be trained on the specific piece of machinery before approval can be given for operation
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Motor Vehicles• If driving is part of your job, take the
following steps– use safety belts– always drive within the speed limit– do NOT drive if you are fatigued– be familiar with the maintenance procedures
for all vehicle systems– avoid using cell phones while driving– avoid other potentially distracting activities
such as eating, drinking, or adjusting non-critical vehicle controls while driving
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this driver realizes the importance of maintaining his truck in safe operating condition
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this driver realizes that motor vehicle crashes lead to more work-related fatalities than all other causes
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unsecured tools and other items can become dangerous projectiles in the event of a motor vehicle crash
Corrective Action: avoid having unsecured objects in the cab of your truck
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gates can pose a serious hazard if left partially open or won’t remain fully open
Corrective Actions: ensure that a gate is either fully open or closed; approach gated areas with caution; report gates that will not remain open
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All-Terrain Vehicles (ATV’s)• If operating one is part of your job, take
the following steps– become familiar with local hazards– do a preoperational check (T-CLOC)– do NOT carry passengers (unless designed so)– always turn off engine when ATV is parked;
remove key and set brake– when carrying equipment, equalize the load
to maintain balance, stability, and center of gravity
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All-Terrain Vehicles (ATV’s)• If operating one is part of your job, take
the following steps, continued– do NOT drive recklessly or engage in
horseplay– do NOT cross deep or swift moving water– modify an ATV only with manufacturer’s
written approval– always wear proper PPE, most importantly
your helmet– operate according to the manufacturer, obey
the warning labels
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well tenders spend a lot of time loading, unloading, and operating their ATV’s
what are some of the hazards associated with work-related ATV use?
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this operator realizes the hazards associated with loading and unloading an ATV
it is important to use loading ramps that are wide enough and secured firmly to the truck bed
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take advantage of operator training courses whenever possible
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Applicable Standards• 1910.178 Powered Industrial Trucks• 1926 Subpart O Motor Vehicles,
Mechanized Equipment• 1926 Subpart W Rollover Protective
Structures; Overhead Protection
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Your Employer Is Responsible For• Providing the right equipment for the job• Maintaining the equipment• Training you on the hazards and safe work
practices associated with each machine
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You Are Responsible For• Only operating the equipment you are
authorized to operate• Operate according to the manufacturer• Reading and following all warning labels• Operate equipment so no hazards are
created for yourself and other workers
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Case Study• An operator decided wearing his seat belt
was unimportant. When his dozer slid down a steep bank ending up on its side, his head was crushed by the dozer’s rollover protective structure.
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Always Remember• Do a pre-shift inspection every day• Do not run a piece of equipment with defects
that may affect safe operation• Ensure there is a fully charged extinguisher on
the piece of equipment• Make sure the manufacturer’s operating manual
is on the machine• Operate equipment according to the
manufacturer’s instructions and obey all warning labels
• Seat belts are to be used all of the time
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Always Remember• Hearing protection may be required while
operating equipment• Cabs are to be free of all unsecured tools or
other loose items• Be aware of blind spots, the swing radius of
equipment, and overhead powerlines• When getting off the machine, you must set the
parking brake, set the transmission in park, and ground all moving parts
• Approach equipment only after making eye contact and signaling the operator; wait for their approval
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Memory Check1. What is the best way to protect yourself
from injury in the event of a rollover? a. wear heavy clothing and a hard hatb. wear your seat beltc. hold on tightd. take your hands and feet off the controls
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Memory Check2. As an operator, how often should you
inspect your piece of mobile equipment? a. the first day of the work weekb. once a monthc. each day prior to operationd. never, the mechanics will do that
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Memory Check3. What should you do with a piece of
mobile equipment when the backup alarm is not functioning properly?
a. operate it with cautionb. operate it as usualc. pull it from serviced. pull it from service, tag, and repair it
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Memory Check4. What should a ground worker do before
approaching a piece of equipment and its operator?
a. make eye contactb. signal the operatorc. wait for their approvald. all of the above