Condition Monitoring Condition Monitoring Maintenance methodMaintenance methodforforPlanned Machinery Planned Machinery Maintenance SchemeMaintenance Scheme

29 September 201029 September 2010

Dr Abdul Rahim FIMarEST FRINADr Abdul Rahim FIMarEST FRINA

Condition Based Condition Based Maintenance ConferenceMaintenance ConferenceIMarESTIMarEST

Kinds of Maintenance SurveyKinds of Maintenance Survey

(a) Continuous Machinery Survey(a) Continuous Machinery Survey��CMS)CMS)

(b) Planned Machinery Maintenance Scheme (b) Planned Machinery Maintenance Scheme ��PMS)PMS)(b(b--1) Planned maintenance method (PMS1) Planned maintenance method (PMS--TBM)TBM)(b(b--2) 2) Condition monitoring maintenance method Condition monitoring maintenance method

(PMS(PMS--CBM)CBM)

(c) Periodical Survey (Open(c) Periodical Survey (Open--up examination at Special up examination at Special surveys for Class maintenance)surveys for Class maintenance)

BaseBase Kinds of Maintenance SurveyKinds of Maintenance Survey

TimeTime CMS, PMSCMS, PMS--TBM, Periodical surveyTBM, Periodical survey

ConditionCondition PMSPMS--CBMCBM

Kinds of Maintenance SurveyKinds of Maintenance Survey

Time Based Maintenance (TBM)Time Based Maintenance (TBM)Overhaul inspection is carried out at regular intervals.Overhaul inspection is carried out at regular intervals.

Condition Based Maintenance (CBM)Condition Based Maintenance (CBM)Condition is monitored and overhaul inspection is carried Condition is monitored and overhaul inspection is carried out based on the results of condition monitoring and out based on the results of condition monitoring and diagnoses.diagnoses.

Kinds of Maintenance SurveyKinds of Maintenance Survey(b) PMS(b) PMS

(a) CMS(a) CMS

ConditionTimeTimeBaseBase

(b-2) PMS-CBM(b(b--1) PMS1) PMS--TBMTBM

Overhaul Overhaul (OH) period(OH) period

OH IntervalOH Interval

Regular intervalRegular interval

Five yearsFive years Five yearsFive years(or running hours)(or running hours)

Aux diesel engineAux diesel engine7,000 hours7,000 hours

(only for that not normally used at sea)(only for that not normally used at sea)

Depends on the condition

OH based on OH based on running hoursrunning hours

Depend on makerDepend on maker’’s s recommendationrecommendation

SystemSystem

C/EC/E’’s reports report

Not requiredNot requiredMaintenance Maintenance management management

systemsystem

Maintenance management &

Condition monitoring system

Accepted for the Accepted for the limited equipmentlimited equipment

Accepted for wider Accepted for wider range of equipment range of equipment than those on CMSthan those on CMS

- - -

PMSPMS--CBMCBM

(b(b--2) 2) Condition monitoring maintenance method Condition monitoring maintenance method (PMS(PMS--CBM)CBM)

Applicable Machinery and equipment are the same as Applicable Machinery and equipment are the same as CMSCMSMaintenance management & Condition monitoring Maintenance management & Condition monitoring systems are required.systems are required.Registration of C/E, Approval of machinery maintenance Registration of C/E, Approval of machinery maintenance scheme, etc. are required.scheme, etc. are required.PMSPMS--CBM may be applied for a part of machinery and CBM may be applied for a part of machinery and equipment.equipment.((PMSPMS--CBM is applied for a part and PMSCBM is applied for a part and PMS--TBM is applied for the TBM is applied for the remaining ones.)remaining ones.)

Up-date

Mach, Equip

Signal conditioner

Data Logger

Maintenance management

Preventive maintenance plan

Spare parts control

User interface

CR

EW

Temp, Press, etc.

Vibration

Indicate

PMSPMS--CBMCBM

ConditionCorrect data

Analyze trend

Analyze freq.

----------------Diagnosis

ConverterConverter

Vibration Vibration MeasurementMeasurement

sensorsensor

Data Logger

--PressurePressure--TemperatureTemperature--VibrationVibration��fixed typefixed type��

VibrationVibration��portable type)portable type)

PMSPMS--CBMCBM

ConverterConverter

Oil AnalysisOil Analysissamplingsampling

Data Logger

--PressurePressure--TemperatureTemperature--VibrationVibration��fixed typefixed type��

Oil AnalyzerOil Analyzer��portable type)portable type)

PMSPMS--CBMCBM

PMSPMS--CBMCBM

TemperatureTemperature

Vibration VerticalVibration Vertical(Portable(Portable��

Vibration HorizontalVibration Horizontal(Portable(Portable��

PMSPMS--CBMCBM

Handy MonitorHandy Monitor

Data Analysis from Data Analysis from Handy MonitorHandy Monitor

PMSPMS--CBMCBM

Alarm pointAlarm pointEstimate the remaining timeEstimate the remaining time

PressurePressureTemperature Temperature

ororVibrationVibration Estimated Estimated

lineline

Running timeRunning time

Postpone overhaul period

PMSPMS--CBMCBM

Actual data Actual data measured at sea trialmeasured at sea trial

Alarm LevelAlarm Level

Image of trend on iron concentration of LO

PMSPMS--CBMCBM

Sampling date

Iron

conc

entr

atio

n (r

pm)

Thank you for your attentionThank you for your attention

Nippon Kaiji Kyokai