Komatsu A40052 Manual

CEAM032500
Operation&Maintenance
Manual
-4
DUMP TRUCK
SERIAL NUMBERS 980E-4 A40052 and up
ENGINE 18V170
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to make
changes or improvements at any time without incurring any obligation to install such changes on products sold
previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2016 Komatsu
Printed in U.S.A
November 2016 Komatsu America Corp.

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INTRODUCTION
FOREWORD..................................................................................................................................1-2
ABOUTTHISMANUAL...................................................................................................................1-3
WARNINGS....................................................................................................................................1-4
CaliforniaProposition65Warnings.....................................................................................1-4
ALERTS.........................................................................................................................................1-5
TRUCKMODELILLUSTRATION.....................................................................................................1-6
NON-OEMPARTSINCRITICALSYSTEMS.....................................................................................1-7
STANDARDCHARTSANDTABLES
GENERALINFORMATION..............................................................................................................2-2
EffectOfSpecialLubricants...............................................................................................2-2
SuggestedSourcesForRustPreventiveGrease.................................................................2-2
STANDARDTIGHTENINGTORQUES.............................................................................................2-3
Class10.9CapscrewsAndClass10Nuts...........................................................................2-3
SAEGrade5AndGrade8Capscrews................................................................................2-4
SAEGrade9Capscrews...................................................................................................2-5
T-BoltClamps....................................................................................................................2-5
SplitFlangeClamps...........................................................................................................2-6
FlaredTubeAndHoseFittings...........................................................................................2-6
JIC37°SwivelNuts...........................................................................................................2-7
PipeThreadFittings...........................................................................................................2-8
O-RingBossFittings..........................................................................................................2-9
O-RingFaceSealFittings................................................................................................2-10
CONVERSIONMULTIPLIERS........................................................................................................2-11
MetricT oEnglish..............................................................................................................2-11
EnglishT oMetric.............................................................................................................2-12
TemperatureConversions................................................................................................2-13
GENERALSAFETY
GENERALSAFETY........................................................................................................................3-2
SafetyRules......................................................................................................................3-2
TruckSafetyFeatures........................................................................................................3-2
ClothingAndPersonalItems..............................................................................................3-2
UnauthorizedModication..................................................................................................3-2
LeavingTheOperator’sSeat..............................................................................................3-2
MountingAndDismounting................................................................................................3-2
FireExtinguishersAndFirstAidKits...................................................................................3-2
PrecautionsForHighT emperatureFluids............................................................................3-3
AsbestosDustHazardPrevention......................................................................................3-3
FirePrevention..................................................................................................................3-3
ROPSPrecautions.............................................................................................................3-3
PreventingInjuryFromWorkEquipment.............................................................................3-4
PrecautionsForOptionalAttachments................................................................................3-4
PrecautionsWhenStartingTheMachine.............................................................................3-4
PRECAUTIONSFORTRUCKOPERATION.....................................................................................3-5
SafetyIsThinkingAhead...................................................................................................3-5
SafetyAtTheWorksite......................................................................................................3-5
PreparingForOperation.....................................................................................................3-5
VentilationForEnclosedAreas...........................................................................................3-5
Mirrors,Windows,AndLights.............................................................................................3-5
BeforeStartingTheEngine................................................................................................3-5
SeatBeltsAndT ethers.......................................................................................................3-5
EmergencyEgressLadders...............................................................................................3-6
OPERATINGTHEMACHINE...........................................................................................................3-7
GeneralInformation...........................................................................................................3-7
980E-43
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StartingTheEngine...........................................................................................................3-7
TravelingInTheMachine...................................................................................................3-7
TravelingInReverse..........................................................................................................3-8
TravelingOnSlopes..........................................................................................................3-8
TravelingOnSnow............................................................................................................3-8
TravelingNearHighVoltageCables....................................................................................3-8
TravelingOnLooseGround...............................................................................................3-8
EnsuringGoodVisibility.....................................................................................................3-8
AvoidDamageT oTheDumpBody.....................................................................................3-8
SafeParkingOfTheMachine.............................................................................................3-9
LoadingTheMachine........................................................................................................3-9
DumpingTheMachine.......................................................................................................3-9
TowingTheMachine..........................................................................................................3-9
EXTERIORLIGHTING..................................................................................................................3-10
FogLights.......................................................................................................................3-10
Headlights.......................................................................................................................3-10
LadderLightsandDeckMountedFloodLights..................................................................3-10
MirrorMountedBackupLights...........................................................................................3-11
BrakeLight.......................................................................................................................3-11
RetardLight.....................................................................................................................3-11
Clearance/TurnSignalLights.............................................................................................3-11
RetardLights....................................................................................................................3-11
BrakeLights.....................................................................................................................3-11
BackupAlarm...................................................................................................................3-11
LEDBackupLights...........................................................................................................3-11
PRECAUTIONSFORMAINTENANCE...........................................................................................3-12
BEFOREPERFORMINGMAINTENANCE...............................................................................3-12
ElectricalSystemIsolation................................................................................................3-12
SecuringTheDumpBody................................................................................................3-13
DURINGMAINTENANCE.......................................................................................................3-14
WarningT ag....................................................................................................................3-14
ProperT ools....................................................................................................................3-14
Attachments....................................................................................................................3-14
WorkingUnderTheMachine............................................................................................3-14
KeepingTheMachineClean............................................................................................3-15
AddingFuelOrOilToTheMachine..................................................................................3-15
RadiatorCoolantLevel.....................................................................................................3-15
UseOfLighting................................................................................................................3-15
HandlingHighPressureHoses.........................................................................................3-15
PrecautionsWithHighPressureOil..................................................................................3-15
MaintenanceNearHighT emperaturesAndHighPressures................................................3-16
RotatingFanAndBelts....................................................................................................3-16
WasteMaterials...............................................................................................................3-16
UseOfTie-OffAnchorDuringMaintenance.......................................................................3-16
HandlingTires.................................................................................................................3-16
TireMaintenance.............................................................................................................3-17
StoringTiresAfterRemoval..............................................................................................3-17
BatteryHazardPrevention...............................................................................................3-17
JumpStartingWithJumperCables...................................................................................3-18
JumpStartingWithReceptacles.......................................................................................3-18
WHENREPAIRSARENECESSARY.............................................................................................3-20
ObserveTheFollowingPrecautions..................................................................................3-20
SPECIALPRECAUTIONS.............................................................................................................3-21
PreliminaryProceduresBeforeWeldingOrPerformingMaintenance..................................3-21
4980E-4
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EngineShutdownProcedureBeforeWeldingorPerformingMaintenance...........................3-21
BeforeWeldingOnTheMachine,ObeyTheFollowingGuidelines:.....................................3-21
DischargingControlCabinetCapacitors............................................................................3-22
WARNINGANDCAUTIONS
GENERALINFORMATION..............................................................................................................4-2
PINPLATE.....................................................................................................................................4-2
GRADESPEEDCHART.................................................................................................................4-3
MACHINESAFETY.........................................................................................................................4-3
KEYSWITCH.................................................................................................................................4-6
OILFILLANDCHECK....................................................................................................................4-6
HIGHPRESSURES........................................................................................................................4-7
BATTERYANDISOLATIONBOX....................................................................................................4-9
HIGHVOLTAGE...........................................................................................................................4-13
WELDING....................................................................................................................................4-16
LIFTINGPOINTS..........................................................................................................................4-17
EMERGENCYDUMPING..............................................................................................................4-18
ROPS/FOPS................................................................................................................................4-19
TOWING......................................................................................................................................4-19
LUBRICATIONCHART.................................................................................................................4-19
OPERATINGINSTRUCTIONS
PREPARINGFOROPERATION......................................................................................................5-2
SafetyIsThinkingAhead...................................................................................................5-2
WalkAroundInspection.....................................................................................................5-2
RETRACTABLELADDERSYSTEM(IfEquipped).............................................................................5-7
GeneralInformation...........................................................................................................5-7
LadderSystemDescription................................................................................................5-7
LadderSystemOperation...................................................................................................5-7
RetractableLadderSwitch.................................................................................................5-7
GroundLevelLadderDownSwitch.....................................................................................5-8
EmergencyDownValve.....................................................................................................5-8
PRE-SHIFTBRAKETEST...............................................................................................................5-9
Operation..........................................................................................................................5-9
ServiceBrakeTest...........................................................................................................5-10
ParkingBrakeTest...........................................................................................................5-10
RetardSystemTest..........................................................................................................5-11
BrakeT estExitCriteria......................................................................................................5-11
TRUCKOPERATION....................................................................................................................5-12
ENGINESTART-UPSAFETY.................................................................................................5-12
AfterEngineHasStarted..................................................................................................5-12
MACHINEOPERATIONSAFETYPRECAUTIONS...................................................................5-13
MachineOperationOnTheHaulRoad..............................................................................5-14
StartingOnAGradeWithALoadedTruck........................................................................5-14
RetardingOnAGrade.....................................................................................................5-14
Passing...........................................................................................................................5-15
Loading...........................................................................................................................5-15
Dumping.........................................................................................................................5-15
LoweringTheDumpBody(WhenDumpingOnFlatGround)..............................................5-16
LoweringTheDumpBody(WhenDumpingOverABermOrIntoACrusher).......................5-17
SUDDENLOSSOFENGINEPOWERORLOSSOFDRIVESYSTEMFUNCTION...................5-17
EMERGENCYSTEERINGSYSTEM.......................................................................................5-18
Operation........................................................................................................................5-18
Pre-OperationT esting......................................................................................................5-18
AdditionalGuidelines.......................................................................................................5-19
FUELDEPLETION.................................................................................................................5-19
980E-45
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SAFEPARKINGPROCEDURES............................................................................................5-19
NORMALENGINESHUTDOWNPROCEDURE......................................................................5-19
DISABLEDTRUCKCONNECTORS..............................................................................................5-21
GENERALINFORMATION.....................................................................................................5-21
HOISTSYSTEM....................................................................................................................5-21
Hookup...........................................................................................................................5-21
DumpingProcedure.........................................................................................................5-21
TOWING......................................................................................................................................5-23
SPECIALWIRINGHARNESS.................................................................................................5-23
TOWINGPROCEDURE.........................................................................................................5-23
PAYLOADMETERIVSYSTEM.....................................................................................................5-26
GENERALINFORMATION.....................................................................................................5-26
DataSummary................................................................................................................5-26
DataGathering................................................................................................................5-26
COMPONENTDESCRIPTION................................................................................................5-26
ElectronicDashDisplay...................................................................................................5-26
OperatorInputSwitches...................................................................................................5-26
BrakeLockSwitch...........................................................................................................5-27
PayloadMeterModule(PLM)...........................................................................................5-27
LoadLights.....................................................................................................................5-28
KeyswitchInput...............................................................................................................5-28
PayloadMeter(PLM)Power.............................................................................................5-29
OPERATOR’SDISPLAYANDSWITCH...................................................................................5-29
SettingTheOperatorID...................................................................................................5-29
LoadAndTonCounter.....................................................................................................5-29
ViewingLiveSensorData................................................................................................5-29
PAYLOADOPERATION&CALCULATION..............................................................................5-30
DescriptionofHaulCycleStates.......................................................................................5-30
HaulCycleDescription.....................................................................................................5-30
LoadCalculation..............................................................................................................5-31
CarryBack......................................................................................................................5-31
MeasurementAccuracy...................................................................................................5-31
SOURCESFORPAYLOADERROR........................................................................................5-31
PayloadError..................................................................................................................5-31
CriticalSuspensionFactors:.............................................................................................5-31
LoadingConditions..........................................................................................................5-31
PressureSensors............................................................................................................5-32
Swingloads.....................................................................................................................5-32
SpeedandDistance........................................................................................................5-32
HAULCYCLEWARNINGFLAGS...........................................................................................5-32
HaulCycleData..............................................................................................................5-32
HaulCycleWarningFlags................................................................................................5-35
AlarmRecords................................................................................................................5-36
FrameT orqueData..........................................................................................................5-38
SYSTEMCONFIGURATION...................................................................................................5-38
ConnectingT oThePayloadMeterIVWebServer..............................................................5-38
ConguringStaticIPAddress...........................................................................................5-38
RealTimeDataPage.......................................................................................................5-41
PayloadMeterIVSystemConguration............................................................................5-41
TruckModel....................................................................................................................5-43
PLMIVMountingOrientation(forOnboardInclinometers)..................................................5-43
GaugeDisplayUnits........................................................................................................5-44
PressureSensorUnits(forRTDwebpageonly)................................................................5-44
DateandTime.................................................................................................................5-44
6980E-4
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PayloadGainFactor........................................................................................................5-44
PayloadLightTest...........................................................................................................5-44
TruckT areReset.............................................................................................................5-44
TruckDataConguration..................................................................................................5-45
InclinometerCalibration...................................................................................................5-45
OverloadThreshold.........................................................................................................5-46
CleanTruckT are.............................................................................................................5-47
TareReset......................................................................................................................5-49
CustomTruckConguration.............................................................................................5-49
FieldSoftwareUpdate......................................................................................................5-50
ViewingHaulCycleData..................................................................................................5-52
DownloadingHaulCycleData..........................................................................................5-53
ViewingAlarmData.........................................................................................................5-54
DownloadingAlarmData..................................................................................................5-55
UploadingData................................................................................................................5-57
CreatingaQuery.............................................................................................................5-58
DetailedMulti-PageReport..............................................................................................5-58
CreatingGraphs..............................................................................................................5-58
FieldSoftwareUpdateProcedure.....................................................................................5-58
AUTOMATICLUBRICATIONSYSTEM...........................................................................................5-67
GENERALINFORMATION.....................................................................................................5-67
COMPONENTDESCRIPTION................................................................................................5-67
Filter...............................................................................................................................5-67
HydraulicMotorandPump...............................................................................................5-68
GreaseReservoir............................................................................................................5-68
PressureReducingValve.................................................................................................5-68
FlowControlValve...........................................................................................................5-68
SolenoidValve.................................................................................................................5-68
VentValve.......................................................................................................................5-68
InterfaceModule..............................................................................................................5-68
Injectors..........................................................................................................................5-70
GreasePressureFailureSwitch.......................................................................................5-70
ReliefValve(unloadervalve)............................................................................................5-70
SYSTEMOPERATION...........................................................................................................5-70
FillingTheReservoir........................................................................................................5-70
PrimingTheAutomaticLubricationSystem........................................................................5-71
PREVENTIVEMAINTENANCEPROCEDURES......................................................................5-71
DailyLubricationSystemInspection..................................................................................5-71
250HourInspection.........................................................................................................5-72
1000HourInspection.......................................................................................................5-72
SYSTEMCHECKOUT..................................................................................................................5-73
GeneralChecks...............................................................................................................5-73
LubricationCycleOperation.............................................................................................5-73
RESERVEENGINEOILSYSTEM(ifequipped)..............................................................................5-74
Operation........................................................................................................................5-74
LEDMonitorLight............................................................................................................5-75
ChangingOil...................................................................................................................5-75
OPERATORCABANDCONTROLS
CABINTERIOR..............................................................................................................................6-2
STEERINGWHEELANDCONTROLS.............................................................................................6-3
HornButton.......................................................................................................................6-3
Tilt/T elescopeLever.........................................................................................................6-3
Multi-FunctionTurnSignalSwitch.......................................................................................6-3
TurnSignalOperation........................................................................................................6-3
980E-47
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HighBeamHeadlightOperation.........................................................................................6-3
WindshieldWiperOperation...............................................................................................6-3
PEDALSANDRETARDERLEVER..................................................................................................6-5
DynamicRetarding............................................................................................................6-5
RetarderLever..................................................................................................................6-5
Brake/RetarderPedal........................................................................................................6-5
AcceleratorPedal..............................................................................................................6-5
OVERHEADPANELANDDISPLAYS...............................................................................................6-6
RadioSpeakers.................................................................................................................6-6
WarningAlarmBuzzer.......................................................................................................6-6
CabRadio.........................................................................................................................6-6
KomVision™Panel............................................................................................................6-6
CENTERCONSOLE.......................................................................................................................6-7
DirectionalControlLever....................................................................................................6-7
Override/FaultResetSwitch...............................................................................................6-7
EngineStopSwitch............................................................................................................6-7
WindowControlSwitches...................................................................................................6-8
HoistControlLever............................................................................................................6-8
RaisingTheDumpBody....................................................................................................6-8
LoweringTheDumpBody..................................................................................................6-8
RetardSpeedControl(RSC)AdjustDial.............................................................................6-8
RetardSpeedControl(RSC)Switch...................................................................................6-9
DataStoreButton..............................................................................................................6-9
12VAuxiliaryPowerOutlets...............................................................................................6-9
FireSuppressionControlOutlet..........................................................................................6-9
CommunicationRadioOutlet..............................................................................................6-9
DIAGNOSTICPORTS...................................................................................................................6-10
KOMTRAXPlus..............................................................................................................6-10
InterfaceModule(IM).......................................................................................................6-10
PCLocalAreaNetwork(PCLAN)....................................................................................6-10
DriveSystemController(DSC).........................................................................................6-10
Engine(Cense)...............................................................................................................6-10
Engine(Quantum)...........................................................................................................6-10
OPERATORSEAT(Standard)........................................................................................................6-11
SeatBeltsAndT ethers......................................................................................................6-11
Adjustment.......................................................................................................................6-11
PASSENGERSEAT(Standard).....................................................................................................6-13
SeatBeltsAndT ethers.....................................................................................................6-13
Adjustment......................................................................................................................6-13
OPERATORSEAT(Optional)........................................................................................................6-14
SeatBeltsAndT ethers.....................................................................................................6-14
Adjustment......................................................................................................................6-14
PASSENGERSEAT(Optional)......................................................................................................6-16
SeatBeltsAndT ethers.....................................................................................................6-16
Adjustment......................................................................................................................6-16
HEATER/AIRCONDITIONERCONTROLS...................................................................................6-17
FanSpeedControlKnob..................................................................................................6-17
TemperatureControlKnob...............................................................................................6-17
AirFlowDirectionalKnob.................................................................................................6-17
Heater/AirConditionerVents............................................................................................6-17
INSTRUMENTPANEL..................................................................................................................6-18
ControlSymbols..............................................................................................................6-18
Heater/AirConditionerVents..........................................................................................6-19
StatusIndicatorLightPanel..............................................................................................6-19
8980E-4
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HydraulicOilTemperatureGauge.....................................................................................6-19
CoolantT emperatureGauge............................................................................................6-19
Speedometer/DigitalDisplay............................................................................................6-19
FuelLevelGauge............................................................................................................6-19
DriveSystemTemperatureGauge....................................................................................6-20
HazardWarningLightSwitch............................................................................................6-20
Pre-ShiftBrakeTestSwitch..............................................................................................6-20
WheelBrakeLockControlSwitch.....................................................................................6-20
RestSwitch.....................................................................................................................6-20
EngineWarmUp.............................................................................................................6-21
HeatedMirrorSwitch(Optional)........................................................................................6-21
RetractableLadderSwitch...............................................................................................6-21
KeySwitch......................................................................................................................6-21
WarningLight..................................................................................................................6-22
DigitalDisplayContrastButtons........................................................................................6-22
TurnSignalIndicators......................................................................................................6-22
PanelLightDimmer.........................................................................................................6-22
ModeSwitches................................................................................................................6-22
FogLightSwitch..............................................................................................................6-22
BackupLightSwitch........................................................................................................6-22
LadderLightSwitch.........................................................................................................6-22
Headlight/PanelIlluminationLightSwitch..........................................................................6-22
STATUSINDICATORLIGHTPANEL..............................................................................................6-23
STATUSINDICATORLIGHTSYMBOLS..................................................................................6-23
BodyUp..........................................................................................................................6-23
ParkingBrake..................................................................................................................6-23
PropelSystemNotReady................................................................................................6-23
NoPropel........................................................................................................................6-24
EngineWarmUp.............................................................................................................6-24
EngineShutdownDelay...................................................................................................6-24
RetardingGridDrier.........................................................................................................6-24
WheelBrakeLock...........................................................................................................6-24
TractionControl...............................................................................................................6-24
RepairMonitor.................................................................................................................6-24
RetractableLadderDown.................................................................................................6-24
SnapshotInProgress......................................................................................................6-24
PantographEnergized.....................................................................................................6-24
PantographUp................................................................................................................6-25
ServiceBrake..................................................................................................................6-25
DynamicRetarding..........................................................................................................6-25
NoDCLinkVoltage.........................................................................................................6-25
DIGITALDISPLAYOPERATION....................................................................................................6-26
TogglingThroughMainLevelScreens...............................................................................6-26
TogglingThroughWarningScreens..................................................................................6-27
EnteringPayloadMeterData............................................................................................6-28
PLMIIIGeneralLayoutDiagram.......................................................................................6-29
KOMTRAXPlus............................................................................................................................6-30
KOMTRAXPlusOPERATION.................................................................................................6-30
BasicPrecautions............................................................................................................6-30
InterfaceModule..............................................................................................................6-31
DOWNLOADINGKOMTRAXPlusDATA.................................................................................6-32
GeneralInformation.........................................................................................................6-32
KOMTRAXPlusDownloadingProcedure..........................................................................6-32
LocationOfDownloadedFiles..........................................................................................6-33
980E-49
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UPLOADINGKOMTRAXPlusDATA.......................................................................................6-33
ORBCOMM...........................................................................................................................6-34
KOMATSUWIRELESSBRIDGE(KWB).........................................................................................6-36
GeneralInformation.........................................................................................................6-36
VHMSDOWNLOADS.............................................................................................................6-36
GeneralInformation.........................................................................................................6-36
VHMSDownloadingProcedure........................................................................................6-37
ONBOARDCONTROLLERACCESS......................................................................................6-37
WirelessAccess..............................................................................................................6-37
WirelessAccessProcedure..............................................................................................6-37
WiredAccess..................................................................................................................6-38
WiredAccessProcedure..................................................................................................6-38
CHANGINGALAPTOP'SIPADDRESS..................................................................................6-38
CONNECTINGTOAWIRELESSNETWORK..........................................................................6-39
FUSESANDCIRCUITBREAKERS...............................................................................................6-41
VEHICLEELECTRICALCENTER89......................................................................................6-41
VEHICLEELECTRICALCENTER90......................................................................................6-43
VEHICLEELECTRICALCENTER91......................................................................................6-45
CIRCUITBREAKERS.............................................................................................................6-47
LUBRICATIONANDSERVICE
GENERALINFORMATION..............................................................................................................7-2
HYDRAULICSYSTEMSERVICE..............................................................................................7-2
HydraulicT ank...................................................................................................................7-2
HydraulicFilters.................................................................................................................7-3
HydraulicPumpDriveShaft................................................................................................7-3
WHEELMOTORSERVICE.......................................................................................................7-4
COOLANTLEVELSERVICE....................................................................................................7-4
RadiatorFillingProcedure..................................................................................................7-4
CoolantSpecications........................................................................................................7-4
UnacceptablePractices.....................................................................................................7-4
RESERVEENGINEOILSERVICE............................................................................................7-4
ReserveOilTankFillingProcedure(RemoteFill).................................................................7-5
InlineScreen.....................................................................................................................7-5
CABAIRFILTERSERVICE......................................................................................................7-5
FUELSYSTEMSERVICE.........................................................................................................7-6
FuelT ankCleaning............................................................................................................7-6
FuelFilterService..............................................................................................................7-6
INTAKEAIRCLEANERSERVICE.............................................................................................7-7
FRONTWHEELSERVICE.......................................................................................................7-8
OilSampling......................................................................................................................7-8
FRONTENGINEMOUNTTRUNNIONSERVICE.......................................................................7-8
QUICKFILLSERVICECENTER...............................................................................................7-8
TIERODINSPECTIONANDTORQUEPROCEDURE...............................................................7-9
LUBRICATIONCHART.................................................................................................................7-10
EVERY10HOUR(DAILY)MAINTENANCE....................................................................................7-11
INITIAL50HOURLUBRICATIONANDMAINTENANCEINSPECTION............................................7-13
INITIAL100HOURLUBRICATIONANDMAINTENANCEINSPECTION..........................................7-14
EVERY250HOURLUBRICATIONANDMAINTENANCE...............................................................7-15
EVERY500HOURLUBRICATIONANDMAINTENANCE...............................................................7-17
EVERY1000HOURSLUBRICATIONANDMAINTENANCE...........................................................7-19
EVERY2500HOURMAINTENANCE............................................................................................7-20
EVERY3000HOURLUBRICATIONANDMAINTENANCE.............................................................7-21
EVERY4000HOURMAINTENANCE............................................................................................7-22
EVERY5000HOURMAINTENANCE............................................................................................7-23
10980E-4
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