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WHEELDOZER
WD600-6R
MachinemodelSerialnumber
WD600-6R60001andup
00Indexandforeword
00Indexandforeword
00Indexandforeword
Tableofcontents.........................................................................................................................................00-2
Forewordandgeneralinformation...........................................................................................................00-14
Safetynotice...........................................................................................................................................00-14
Howtoreadtheshopmanual...............................................................................................................00-19
Explanationoftermsformaintenancestandard..................................................................................00-21
Handlingofelectricequipmentandhydrauliccomponent..................................................................00-23
Handlingofconnectorsnewlyusedforengines..................................................................................00-32
Howtoreadelectricwirecode..............................................................................................................00-35
Precautionswhencarryingoutoperation.............................................................................................00-38
Methodofdisassemblingandconnectingpush-pulltypecoupler......................................................00-41
Standardtighteningtorquetable...........................................................................................................00-44
Conversiontable....................................................................................................................................00-48
01Specification
Specificationandtechnicaldata.................................................................................................................01-3
Specificationdimensiondrawing.............................................................................................................01-3
Specifications...........................................................................................................................................01-4
Weighttable..............................................................................................................................................01-7
Tableoffuel,coolantandlubricants.......................................................................................................01-9
10Structure,functionandmaintenancestandard
Engineandcoolingsystem.........................................................................................................................10-4
Enginemountandtransmissionmount..................................................................................................10-4
Damper.....................................................................................................................................................10-6
Coolingsystem.........................................................................................................................................10-8
Coolingfanpump...................................................................................................................................10-12
Coolingfanmotor...................................................................................................................................10-20
Powertrain.................................................................................................................................................10-26
Powertrain.............................................................................................................................................10-26
Powertrainsystemdiagram..................................................................................................................10-27
Torqueconverterandtransmissionpipingdiagram.............................................................................10-28
Torqueconverter....................................................................................................................................10-30
Modulationclutch...................................................................................................................................10-39
Torqueconverterregulatorvalve..........................................................................................................10-40
Transmission..........................................................................................................................................10-42 Transfer...................................................................................................................................................10-62
Transmissioncontrolvalve....................................................................................................................10-64
ECMV......................................................................................................................................................10-66
Mainreliefvalveandtorqueconverterreliefvalve..............................................................................10-73
Lubricationreliefvalve...........................................................................................................................10-75
Torqueconverteroilcooler....................................................................................................................10-76
Torqueconverteroilfilter.......................................................................................................................10-77
Driveshaft...............................................................................................................................................10-79
Centersupport........................................................................................................................................10-82
Axle.........................................................................................................................................................10-84 Differential...............................................................................................................................................10-88
Limitedslipdifferential...........................................................................................................................10-97 Finaldrive.............................................................................................................................................10-102
Steeringsystem.......................................................................................................................................10-106
Steeringpipingdiagram.......................................................................................................................10-106
Steeringcolumn...................................................................................................................................10-108
Joysticksteeringleverlinkage............................................................................................................10-109
JoystickEPCvalve..............................................................................................................................10-110
Lockvalve..............................................................................................................................................10-111
Steeringvalve.......................................................................................................................................10-112
00-2WD600-6R
Rotaryvalve..........................................................................................................................................10-115
Steeringcontrolvalve...........................................................................................................................10-118
Two-wayrestrictorvalve......................................................................................................................10-134
Stopvalve.............................................................................................................................................10-135
Steeringpump.......................................................................................................................................10-136
Steeringcylinder...................................................................................................................................10-150
Emergencysteeringpipingdiagram...................................................................................................10-151
Divertervalve........................................................................................................................................10-152
Emergencysteeringpump...................................................................................................................10-160
Brakesystem...........................................................................................................................................10-162
Brakepipingdiagram...........................................................................................................................10-162
Brake.....................................................................................................................................................10-164
Brakevalve...........................................................................................................................................10-168
Accumulatorchargevalve...................................................................................................................10-176
EPCreliefvalve....................................................................................................................................10-182
Accumulator(forbrake).......................................................................................................................10-184
Slackadjuster.......................................................................................................................................10-186
Parkingbrake........................................................................................................................................10-190
Parkingbrakesolenoidvalve...............................................................................................................10-192
Emergencyparkingbrakereleasevalve.............................................................................................10-194
Brakecoolingpump.............................................................................................................................10-195
Undercarriageandframe........................................................................................................................10-196
Axlemount............................................................................................................................................10-196
Centerhingepin...................................................................................................................................10-201
Controlvalve.........................................................................................................................................10-230
CLSS.....................................................................................................................................................10-244
Functionsandoperationbyvalve.......................................................................................................10-248 Accumulator(forPPCcircuit)..............................................................................................................10-258 Triplepump...........................................................................................................................................10-259
Workequipment.......................................................................................................................................10-260
Workequipmentlinkage......................................................................................................................10-260
Cuttingedgeandendbit......................................................................................................................10-263
Workequipmentlubrication.................................................................................................................10-265
Hydrauliccylinder.................................................................................................................................10-268
Cabanditsattachments..........................................................................................................................10-270
ROPScab.............................................................................................................................................10-270
Airconditioner.......................................................................................................................................10-272
Electricalsystem......................................................................................................................................10-276
Machinemonitorsystem......................................................................................................................10-276
Machinemonitor...................................................................................................................................10-282
Workequipmentcontrolsystem..........................................................................................................10-330
Transmissioncontrollersystem...........................................................................................................10-356
Electrictransmissioncontrol................................................................................................................10-388
Enginestarting/stoppingcircuit...........................................................................................................10-390 Parkingbrakecircuit.............................................................................................................................10-393 Sensor...................................................................................................................................................10-397
VHMScontrollerrelated.......................................................................................................................10-417
Electriclever(Workequipment)..........................................................................................................10-423
20Standardvaluetable
Standardservicevaluetable.......................................................................................................................20-3
Standardservicevaluetableforengine..................................................................................................20-3 Standardservicevaluetableforchassis................................................................................................20-4
