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D61EM-23M0 | SN: B10001-UP | Komatsu | Heavy Equipment Manual PDF

Page 1


00Indexandforeword--------------------------------------------------------00-1

Foreword,safetyandgeneralinformation---------------------------------------00-13

Importantsafetynotice-------------------------------------------------00-13

Precautionstopreventfire-----------------------------------------------00-18

Howtoreadtheshopmanual--------------------------------------------00-20

Explanationoftermsformaintenancestandard--------------------------------00-22

Handlingequipmentoffuelsystemdevices-----------------------------------00-24

Handlingofintakesystemparts-------------------------------------------00-25

Handlingofhydraulicequipment------------------------------------------00-26

Methodofdisconnectingandconnectingofpush-pulltypecoupler------------------00-28

Handlingofelectricalequipment------------------------------------------00-31

Howtoreadelectricwirecode--------------------------------------------00-39

Precautionswhenperformingoperation-------------------------------------00-42

PracticaluseofKOMTRAX----------------------------------------------00-47

Standardtighteningtorquetable------------------------------------------00-48

Listofabbreviation----------------------------------------------------00-54

Conversiontable-----------------------------------------------------00-59

01Specification-------------------------------------------------------------01-1 Tableofcontents---------------------------------------------------------01-2 Specifications-----------------------------------------------------------01-3

Specificationdrawing--------------------------------------------------01-3 Specifications--------------------------------------------------------01-4

Weighttable---------------------------------------------------------01-9

Tableoffuel,coolant,andlubricants----------------------------------------01-11

10Structureandfunction------------------------------------------------------10-1

Tableofcontents---------------------------------------------------------10-2

Engineandcoolingsystem--------------------------------------------------10-3

Enginerelatedparts---------------------------------------------------10-3

Coolingsystem------------------------------------------------------10-5

Coolingfanmotor-----------------------------------------------------10-7

OilcoolerbypassandHSTchargesafetyvalve--------------------------------10-13

Powertrain-------------------------------------------------------------10-19

Powertrainsystem----------------------------------------------------10-19

Damper------------------------------------------------------------10-22

HydrauliccomponentlayoutofHST----------------------------------------10-23

Steeringandbrakecontrol-----------------------------------------------10-24

HSTpump----------------------------------------------------------10-26

HSTmotor----------------------------------------------------------10-41

Chargepump--------------------------------------------------------10-56

Solenoidvalve-------------------------------------------------------10-57

Finaldrive----------------------------------------------------------10-66

Undercarriageandframe---------------------------------------------------10-70

Mainframe---------------------------------------------------------10-70

Suspension---------------------------------------------------------10-71

Trackframeandidlercushion--------------------------------------------10-73

Hydraulicsystem---------------------------------------------------------10-75

Hydrauliccomponentlayoutofworkequipment--------------------------------10-75

Workequipmentcontrolsystem-------------------------------------------10-76

Hydraulictank-------------------------------------------------------10-77

CLSS-------------------------------------------------------------10-79

Workequipmentandcoolingfanpump--------------------------------------10-82

Controlvalve--------------------------------------------------------10-93

Accumulator--------------------------------------------------------10-119

Workequipment---------------------------------------------------------10-121

Planterunit---------------------------------------------------------10-121

Cabanditsattachments---------------------------------------------------10-122

ROPScab---------------------------------------------------------10-122

Cabmount---------------------------------------------------------10-124

Electricalsystem--------------------------------------------------------10-125

Enginecontrolsystem-------------------------------------------------10-125

Coolingsystemcontrolsystem-------------------------------------------10-128

HSTcontrolsystem---------------------------------------------------10-130

Parkingbrakecontrolsystem--------------------------------------------10-141

Systemoperatinglampfunction------------------------------------------10-144

Batterydisconnectswitchfunction----------------------------------------10-145

Machinemonitorsystem-----------------------------------------------10-147

KOMTRAXsystem---------------------------------------------------10-170

Systemcomponentparts-----------------------------------------------10-173

HSTcontroller------------------------------------------------------10-176

Sensor------------------------------------------------------------10-188

20Standardvaluetables-------------------------------------------------------20-1

Tableofcontents---------------------------------------------------------20-2

Standardservicevaluetable-------------------------------------------------20-3

Standardvaluetableforengine-------------------------------------------20-3

Standardvaluetableformachine------------------------------------------20-4

Standardvaluetableforelectricalsystem------------------------------------20-10

30Testingandadjusting------------------------------------------------------30-1

Tableofcontents--------------------------------------------------------30-2

Relatedinformationontestingandadjusting------------------------------------30-4

Toolsfortestingandadjusting-------------------------------------------30-4

Sketchoftoolsfortestingandadjusting------------------------------------30-7

Engineandcoolingsystem-------------------------------------------------30-9

Testingenginespeed-------------------------------------------------30-9

Testingboostpressure------------------------------------------------30-11

Testingexhaustgascolor----------------------------------------------30-13

Testingandadjustingvalveclearance--------------------------------------30-15

Measuringcompressionpressure-----------------------------------------30-18

Testingblowbypressure-----------------------------------------------30-21

Testingengineoilpressure---------------------------------------------30-22

Testingfuelpressure--------------------------------------------------30-23

Testingfueldischarge,returnandleakage-----------------------------------30-28

Bleedingairfromfuelsystem--------------------------------------------30-33

Testingfuelcircuitforleakage-------------------------------------------30-35

Handlingcylindercutoutmodeoperation------------------------------------30-36

Handlingno-injectioncrankingoperation------------------------------------30-37

Testingofinstalledconditionofcylinderheadsandmanifolds---------------------30-38

Testingenginepipingfordamageandlooseness------------------------------30-39

Checkalternatorbelt,replace--------------------------------------------30-40

Powertrain------------------------------------------------------------30-42

TestingandadjustingHSToilpressure-------------------------------------30-42

Testingoutputpressureofsolenoidvalve-----------------------------------30-47

Testingifmachinetravelsstraight-----------------------------------------30-51

Simpletestprocedureforbrakeperformance--------------------------------30-52

Adjustingdeceleration/brakepedal----------------------------------------30-53

Adjustingparkingbrakelever--------------------------------------------30-56

Movedisabledmachineurgently-----------------------------------------30-58

Undercarriageandframe--------------------------------------------------30-61

Adjustingidlerclearance-----------------------------------------------30-61

Checkingsprocketwear-----------------------------------------------30-62

Testingandadjustingtracktension----------------------------------------30-63

Hydraulicsystem--------------------------------------------------------30-64

Releasingremainingpressureinworkequipmentcylinder-----------------------30-64

Testingandadjustingworkequipmentoilpressure----------------------------30-65

Testingsourcepressureofcontrolcircuit-----------------------------------30-67

TestingoutletpressureofworkequipmentEPCvalveandfanEPCvalve------------30-68

Testinginternaloilleakageofworkequipmentcylinder-------------------------30-70

Testingfanspeed----------------------------------------------------30-71

Testingfancircuitoilpressure-------------------------------------------30-72

Bleedingairfromhydrauliccircuit-----------------------------------------30-73

Workequipment--------------------------------------------------------30-74

Adjustingworkequipmentlocklever---------------------------------------30-74

Electricalsystem--------------------------------------------------------30-76

Specialfunctionsofmachinemonitor--------------------------------------30-76

AdjustmentmethodwhenHSTcontrollerhasbeenreplaced---------------------30-146

Adjustmentmethodwhenelectricorhydraulicdevicehasbeenreplaced-------------30-149

Adjustingrearviewcameraangle-----------------------------------------30-150

Handlingvoltagecircuitofenginecontroller---------------------------------30-151

Handlingbatterydisconnectswitch---------------------------------------30-152

Testingdiodes------------------------------------------------------30-153

Pmclinic--------------------------------------------------------------30-154

PmClinicservice----------------------------------------------------30-154

PmClinicchecksheet-------------------------------------------------30-156

40Troubleshooting----------------------------------------------------------40-1

Tableofcontents--------------------------------------------------------40-2

Relatedinformationontroubleshooting----------------------------------------40-8

Troubleshootingpoints------------------------------------------------40-8

Sequenceofeventsintroubleshooting-------------------------------------40-10

Checksbeforetroubleshooting------------------------------------------40-12

Inspectionprocedurebeforetroubleshooting---------------------------------40-14

Preparationfortroubleshootingofelectricalsystem----------------------------40-31

Classificationandproceduresfortroubleshooting-----------------------------40-35

Symptomandtroubleshootingnumbers------------------------------------40-37

Informationintroubleshootingtable---------------------------------------40-39

Procedurefortroubleshootingwiringharnessofpressuresensorsystemforopencircuit-40-41

Connectorlistandlayout-----------------------------------------------40-44

Connectorcontactidentification------------------------------------------40-58

T-branchboxandT-branchadaptertable-----------------------------------40-97

Fuselocationtable---------------------------------------------------40-102

Failurecodestable---------------------------------------------------40-107

Troubleshootingbyfailurecode(Displayofcode)---------------------------------40-115

Failurecode[6091NX]HSTOilFilterClogging-------------------------------40-115

Failurecode[989L00]EngineControllerLockCaution1------------------------40-117

Failurecode[989M00]EngineControllerLockCaution2------------------------40-118

Failurecode[989N00]EngineControllerLockCaution3------------------------40-119

Failurecode[AA10NX]AirCleanerClogging--------------------------------40-120

Failurecode[AB00KE]ChargeVoltageLow---------------------------------40-122

Failurecode[B@BAZG]EngOilPressLow---------------------------------40-124

Failurecode[B@BCNS]EngWaterOverheat--------------------------------40-125

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Failurecode[B@CRNS]HSTOilOverheat----------------------------------40-126 Failurecode[B@CRZG]HSTChargePressLow------------------------------40-127 Failurecode[CA111]ECMCriticalInternalFailure-----------------------------40-128 Failurecode[CA115]EngNeandBkupSpeedSensError-----------------------40-129 Failurecode[CA122]ChgAirPressSensorHighError-------------------------40-130 Failurecode[CA123]ChgAirPressSensorLowError--------------------------40-132 Failurecode[CA131]ThrottleSensorHighError------------------------------40-134 Failurecode[CA132]ThrottleSensorLowError------------------------------40-136 Failurecode[CA144]CoolantTempSensHighError---------------------------40-138 Failurecode[CA145]CoolantTempSensLowError---------------------------40-140 Failurecode[CA153]ChgAirTempSensorHighError--------------------------40-142 Failurecode[CA154]ChgAirTempSensorLowError--------------------------40-144 Failurecode[CA187]Sensor2SupplyVoltLowError--------------------------40-146 Failurecode[CA221]AmbientPressSensorHighError-------------------------40-148 Failurecode[CA222]AmbientPressSensorLowError-------------------------40-150 Failurecode[CA227]Sensor2SupplyVoltHighError--------------------------40-152 Failurecode[CA234]EngOverspeed--------------------------------------40-153 Failurecode[CA238]NeSpeedSensorSupplyVoltError------------------------40-154 Failurecode[CA271]IMV/PCV1ShortError---------------------------------40-155 Failurecode[CA272]IMV/PCV1OpenError---------------------------------40-157

Failurecode[CA322]Inj#1(L#1)Open/ShortError----------------------------40-159

Failurecode[CA323]Inj#5(L#5)Open/ShortError----------------------------40-161 Failurecode[CA324]Inj#3(L#3)Open/ShortError----------------------------40-163

Failurecode[CA325]Inj#6(L#6)Open/ShortError----------------------------40-165 Failurecode[CA331]Inj#2(L#2)Open/ShortError----------------------------40-167

Failurecode[CA332]Inj#4(L#4)Open/ShortError----------------------------40-169 Failurecode[CA342]CalibrationCodeIncompatibility--------------------------40-171 Failurecode[CA351]InjectorsDriveCircuitError-----------------------------40-172 Failurecode[CA352]Sensor1SupplyVoltLowError--------------------------40-173 Failurecode[CA386]Sensor1SupplyVoltHighError--------------------------40-175 Failurecode[CA428]WaterinFuelSensorHighError--------------------------40-176 Failurecode[CA429]WaterinFuelSensorLowError--------------------------40-178 Failurecode[CA435]EngOilPressSwError--------------------------------40-180 Failurecode[CA441]BatteryVoltageLowError------------------------------40-181 Failurecode[CA442]BatteryVoltageHighError------------------------------40-183 Failurecode[CA449]RailPressVeryHighError------------------------------40-184 Failurecode[CA451]RailPressSensorHighError----------------------------40-185 Failurecode[CA452]RailPressSensorLowError----------------------------40-187 Failurecode[CA488]ChgAirTempHighTorqueDerate-------------------------40-189 Failurecode[CA553]RailPressHighError----------------------------------40-190 Failurecode[CA689]EngNeSpeedSensorError-----------------------------40-191 Failurecode[CA731]EngBkupSpeedSensPhaseError------------------------40-193

Failurecode[CA757]AllcontinuousDataLostError---------------------------40-195

Failurecode[CA778]EngBkupSpeedSensorError---------------------------40-196

Failurecode[CA2185]ThrotSensorSupVoltHighError------------------------40-201

Failurecode[CA2186]ThrotSensorSupVoltLowError-------------------------40-202

Failurecode[CA2249]RailPressVeryLowError-----------------------------40-203

Failurecode[CA2311]IMVSolenoidError----------------------------------40-204

Failurecode[CA2555]GridHtrRelayVoltLowError---------------------------40-205

Failurecode[CA2556]GridHtrRelayVoltHighError---------------------------40-207

Failurecode[D130KA]NeutralrelayOpen----------------------------------40-209

Failurecode[D130KB]NeutralrelayShortcircuit------------------------------40-211

Failurecode[D130KY]Neutralrelay:HotShort-------------------------------40-213

Failurecode[D19JKZ]PersonalCodeRelayAbnormality------------------------40-215

Failurecode[D811MC]KOMTRAXError-----------------------------------40-218 Failurecode[D862KA]GPSAntennaOpenCircuit----------------------------40-219 Failurecode[D8ALKA]OperatingLampOpenCircuit(KOMTRAX)-----------------40-220 Failurecode[D8ALKB]OperatingLampShortCircuit(KOMTRAX)-----------------40-222 Failurecode[D8AQKR]CAN2Discon(KOMTRAX)----------------------------40-223 Failurecode[DAF0MB]MonitorROMAbnormality----------------------------40-224 Failurecode[DAF0MC]MonitorError--------------------------------------40-225 Failurecode[DAF8KB]CameraPowerSupplyShortCircuit----------------------40-226 Failurecode[DAF9KQ]ModelSelectionAbnormality---------------------------40-227 Failurecode[DAFGMC]GPSModuleError---------------------------------40-228 Failurecode[DAFLKA]OperatingLampOpenCircuit(Monitor)-------------------40-229 Failurecode[DAFLKB]OperatingLampShortCircuit(Monitor)-------------------40-231 Failurecode[DAFQKR]CAN2Discon(Monitor)------------------------------40-232 Failurecode[DAJ000]HSTcontroller:Abnormalityincontroller-------------------40-233 Failurecode[DAJ0KQ]HSTcontroller:Typeselectsignal-----------------------40-234 Failurecode[DAJ0KT]HSTcontroller:Abnormalityincontroller-------------------40-235 Failurecode[DAJ0MC]HSTConError------------------------------------40-236 Failurecode[DAJ1KK]HSTcontroller:Sourcevoltagelow----------------------40-237 Failurecode[DAJ2KK]HSTcontroller:Outputvoltagelow-----------------------40-239 Failurecode[DAJ5KK]HST:Sensorvolt5V(0)Outofnormalrange----------------40-241

Failurecode[DAJ6KK]HST:Sensorvolt5V(1)Outofnormalrange----------------40-244 Failurecode[DAJLKA]OperatingLampOpenCircuit(HSTCon)------------------40-246 Failurecode[DAJLKB]OperatingLampShortCircuit(HSTCon)------------------40-248 Failurecode[DAJPMA]InconsistencyofOptionSelection(HST)------------------40-249 Failurecode[DAJQKR]CAN2Discon(HSTCon)-----------------------------40-250 Failurecode[DAJRKR]CAN1Discon(HSTCon)-----------------------------40-251 Failurecode[DB2QKR]CAN2Discon(EngineCon)---------------------------40-252 Failurecode[DD12KA]ShiftupSW:Open----------------------------------40-256 Failurecode[DD12KB]ShiftupSW:ShortCircuit-----------------------------40-258 Failurecode[DD13KA]ShiftdownSW:Open--------------------------------40-260 Failurecode[DD13KB]ShiftdownSW:ShortCircuit---------------------------40-262 Failurecode[DD14KA]ParkingleverSW:Open------------------------------40-264 Failurecode[DD14KB]ParkingleverSW:Shortcircuit-------------------------40-267 Failurecode[DDKAKA]BladefloatSw:Open--------------------------------40-271 Failurecode[DDKAKB]BladefloatSw:Shortcircuit---------------------------40-273 Failurecode[DDKFL4]LeftAngleSw:Signalmismatch-------------------------40-275 Failurecode[DDKGL4]RightAngleSw:Signalmismatch-----------------------40-277 Failurecode[DDKHKA]iBSw:Open--------------------------------------40-279 Failurecode[DDKHKB]iBSw:Shortcircuit---------------------------------40-281 Failurecode[DDNLKA]WeqlockSw:Open---------------------------------40-283 Failurecode[DDNLKB]WeqlockSw:Shortcircuit----------------------------40-286 Failurecode[DDP6KA]BrakePressureSensor:Open-------------------------40-289 Failurecode[DDP6KB]BrakePressureSensor:HotShort-----------------------40-291 Failurecode[DDP6MA]Brakepressuresensor:Malfunction---------------------40-293 Failurecode[DDU1FS]ParkingleverSwitch2:Signalmismatch------------------40-295 Failurecode[DDU1KA]ParkingleverSw2:Open-----------------------------40-298 Failurecode[DDU1KY]ParkingleverSw2:HotShort--------------------------40-301 Failurecode[DFA4KX]Bladeliftlever:MainandSubError----------------------40-303 Failurecode[DFA4KZ]Bladeliftlever:MainandSubError----------------------40-304 Failurecode[DFA4L8]Bladeliftlever:Signalmismatch-------------------------40-305 Failurecode[DFA5KA]Bladeliftlever1:Open-------------------------------40-306 Failurecode[DFA5KB]Bladeliftlever1:HotShort-----------------------------40-309 Failurecode[DFA6KA]Bladeliftlever2:Open-------------------------------40-311 Failurecode[DFA6KB]Bladeliftlever2:HotShort-----------------------------40-313

Failurecode[DFA7KX]Bladetiltlever:MainandSubError----------------------40-315 Failurecode[DFA7KZ]Bladetiltlever:MainandSubError-----------------------40-316

Failurecode[DFA7L8]Bladetiltlever:Signalmismatch-------------------------40-317 Failurecode[DFA8KA]Bladetiltlever1:Open--------------------------------40-318 Failurecode[DFA8KB]Bladetiltlever1:HotShort-----------------------------40-321 Failurecode[DFA9KA]Bladetiltlever2:Open--------------------------------40-323

Failurecode[DFA9KB]Bladetiltlever2:HotShort-----------------------------40-326 Failurecode[DGS1KA]HSToiltempsensor:Open----------------------------40-328 Failurecode[DGS1KX]HSToiltempsensor:Outofnormalrange-----------------40-330 Failurecode[DH21KA]Weqpressuresensor:Open---------------------------40-331 Failurecode[DH21KB]Weqpressuresensor:HotShort------------------------40-333

Failurecode[DHA4KA]AirCleanerClogSensorOpenCircuit--------------------40-335 Failurecode[DHH7KA]LFHSTPressureSensor:Open------------------------40-337 Failurecode[DHH7KB]LFHSTPressureSensor:HotShort---------------------40-339 Failurecode[DHH8KA]RFHSTPressureSensor:Open------------------------40-341 Failurecode[DHH8KB]RFHSTPressureSensor:HotShort---------------------40-343 Failurecode[DHH9KA]LRHSTPressureSensor:Open------------------------40-345 Failurecode[DHH9KB]LRHSTPressureSensor:HotShort---------------------40-347 Failurecode[DHHAKA]RRHSTPressureSensor:Open------------------------40-349 Failurecode[DHHAKB]RRHSTPressureSensor:HotShort---------------------40-351 Failurecode[DK30KA]STlever1:Open------------------------------------40-353 Failurecode[DK30KB]STlever1:HotShort---------------------------------40-356 Failurecode[DK30KX]STlever:MainandSubError---------------------------40-358 Failurecode[DK30KZ]STlever:MainandSubError---------------------------40-359 Failurecode[DK30L8]STlever:Signalmismatch-----------------------------40-360 Failurecode[DK31KA]STlever2:Open------------------------------------40-361 Failurecode[DK31KB]STlever2:HotShort---------------------------------40-364 Failurecode[DK40KA]Decel/Brakepotentiometer:Open------------------------40-366 Failurecode[DK40KB]Decel/Brakepotentiometer:HotShort---------------------40-369 Failurecode[DK55KX]FRlever:MainandSubError---------------------------40-371 Failurecode[DK55KZ]FRlever:MainandSubError---------------------------40-372 Failurecode[DK55L8]FRlever:Signalmismatch-----------------------------40-373 Failurecode[DK56KA]FRlever1:Open------------------------------------40-374 Failurecode[DK56KB]FRlever1:HotShort---------------------------------40-377 Failurecode[DK57KA]FRlever2:Open------------------------------------40-380 Failurecode[DK57KB]FRlever2:HotShort---------------------------------40-383 Failurecode[DLM0KX]HSTMotorSpeedSensor:Left/RightError-----------------40-385 Failurecode[DLM1KA]LeftHSTmotorspeedsensor:Open---------------------40-386 Failurecode[DLM1KB]LeftHSTmotorspeedsensor:Shortcircuit-----------------40-388 Failurecode[DLM1MA]LeftHSTmotorspeedsensor:Malfunction-----------------40-390 Failurecode[DLM2KA]RightHSTmotorspeedsensor:Open--------------------40-391 Failurecode[DLM2KB]RightHSTmotorspeedsensor:Shortcircuit----------------40-393

Failurecode[DLM2MA]RightHSTmotorspeedsensor:Malfunction----------------40-395

Failurecode[DLM3KA]Fanrev.sensor:Open-------------------------------40-396

Failurecode[DLM3KB]Fanrev.sensor:Shortcircuit---------------------------40-398

Failurecode[DLM3MB]Fancontrol:Mismatch-------------------------------40-400

Failurecode[DN21FS]Decel/BrakepedalSW:Signalmismatch------------------40-401 Failurecode[DR21KX]Camera2PictureRev.DriveAbnormality------------------40-403 Failurecode[DR31KX]Camera3PictureRev.DriveAbnormality------------------40-404

Failurecode[DV20KB]Back-upalarm:Shortcircuit----------------------------40-405

Failurecode[DW4BKA]Parkingbrakesolenoid:Open--------------------------40-407

Failurecode[DW4BKB]Parkingbrakesolenoid:Shortcircuit---------------------40-409

Failurecode[DW4BKY]Parkingbrakesolenoid:HotShort-----------------------40-411 Failurecode[DW7BKA]Fanreversesolenoid:Open---------------------------40-413

Failurecode[DW7BKB]Fanreversesolenoid:Shortcircuit----------------------40-415 Failurecode[DW7EKA]Slowbrakesolenoid:Open---------------------------40-416 Failurecode[DW7EKB]Slowbrakesolenoid:Shortcircuit-----------------------40-418 Failurecode[DW7EKY]Slowbrakesolenoid:HotShort------------------------40-420 Failurecode[DWN5KA]FanEPC:Open-----------------------------------40-422 Failurecode[DWN5KB]FanEPC:Shortcircuit-------------------------------40-424 Failurecode[DWN5KY]FanEPC:HotShort--------------------------------40-425 Failurecode[DXA4KA]LFHSTpumpEPC:Open----------------------------40-427 Failurecode[DXA4KB]LFHSTpumpEPC:Shortcircuit------------------------40-429 Failurecode[DXA4KY]LFHSTpumpEPC:HotShort--------------------------40-430 Failurecode[DXA5KA]LRHSTpumpEPC:Open----------------------------40-432 Failurecode[DXA5KB]LRHSTpumpEPC:Shortcircuit------------------------40-434 Failurecode[DXA5KY]LRHSTpumpEPC:HotShort-------------------------40-436 Failurecode[DXA6KA]RFHSTpumpEPC:Open----------------------------40-438 Failurecode[DXA6KB]RFHSTpumpEPC:Shortcircuit------------------------40-440 Failurecode[DXA6KY]RFHSTpumpEPC:HotShort-------------------------40-441 Failurecode[DXA7KA]RRHSTpumpEPC:Open----------------------------40-443 Failurecode[DXA7KB]RRHSTpumpEPC:Shortcircuit-----------------------40-445 Failurecode[DXA7KY]RRHSTpumpEPC:HotShort-------------------------40-446 Failurecode[DXHRKA]BladeliftupEPC:Open------------------------------40-448 Failurecode[DXHRKB]BladeliftupEPC:Shortcircuit-------------------------40-451 Failurecode[DXHRKY]BladeliftupEPC:Hotshort---------------------------40-453 Failurecode[DXHSKA]BladeliftdownEPC:Open----------------------------40-455 Failurecode[DXHSKB]BladeliftdownEPC:Shortcircuit-----------------------40-458 Failurecode[DXHSKY]BladeliftdownEPC:Hotshort-------------------------40-460 Failurecode[DXHTKA]BladetiltleftEPC:Open------------------------------40-462 Failurecode[DXHTKB]BladetiltleftEPC:Shortcircuit-------------------------40-464 Failurecode[DXHTKY]BladetiltleftEPC:Hotshort---------------------------40-465 Failurecode[DXHUKA]BladetiltrightEPC:Open----------------------------40-467 Failurecode[DXHUKB]BladetiltrightEPC:Shortcircuit------------------------40-469 Failurecode[DXHUKY]BladetiltrightEPC:Hotshort--------------------------40-470 Failurecode[DXJ4KA]WeqlockSol.:Open---------------------------------40-472 Failurecode[DXJ4KB]WeqlockSol.:Shortcircuit----------------------------40-474 Failurecode[DXJCKA]BladeangleleftEPC:Open---------------------------40-476 Failurecode[DXJCKB]BladeangleleftEPC:Shortcircuit-----------------------40-477 Failurecode[DXJCKY]BladeangleleftEPC:Hotshort-------------------------40-478 Failurecode[DXJDKA]BladeanglerightEPC:Open--------------------------40-480 Failurecode[DXJDKB]BladeanglerightEPC:Shortcircuit----------------------40-481 Failurecode[DXJDKY]BladeanglerightEPC:Hotshort------------------------40-482

Failurecode[DXK1KA]LeftHSTmotorEPC:Open----------------------------40-484

Failurecode[DXK1KB]LeftHSTmotorEPC:Shortcircuit-----------------------40-486

Failurecode[DXK1KY]LeftHSTmotorEPC:HotShort-------------------------40-487

Failurecode[DXK2KA]RightHSTmotorEPC:Open--------------------------40-489

Failurecode[DXK2KB]RightHSTmotorEPC:Shortcircuit----------------------40-491

Failurecode[DXK2KY]RightHSTmotorEPC:HotShort------------------------40-492

Troubleshootingofelectricalsystem(E-mode)-----------------------------------40-494

E-1Enginedoesnotstart(Enginedoesnotcrank)----------------------------40-494

E-2Manualpreheatingsystemdoesnotwork--------------------------------40-500

E-3Automaticpreheatingsystemdoesnotwork------------------------------40-503

E-4Whilepreheatingisworking,preheatingmonitordoesnotlightup---------------40-505

E-5WhenstartingswitchisturnedtoONposition,machinemonitordisplaysnothing----40-507

E-6WhenstartingswitchisturnedtoONposition(withenginestopped),basiccheckmonitorlights up--------------------------------------------------------40-510

E-7Aircleanercloggingmonitorlightsupinyellowwhileengineisrunning-----------40-511

E-8Chargelevelmonitorlightsupinredwhileengineisrunning-------------------40-512

E-9Enginecoolanttemperaturemonitorlightsupinredwhileengineisrunning--------40-513

E-10Engineoilpressuremonitorlightsupinredwhileengineisrunning-------------40-514

E-11HSTchargepressuremonitorlightsupinredwhileengineisrunning------------40-515

E-12Hydraulicoiltemperaturemonitorlightsupinredwhileengineisrunning---------40-516

E-13HSToilfiltercloggingmonitorlightsupinredwhileengineisrunning-----------40-517

E-14Fuellevelgaugedoesnotindicatecorrectlevel---------------------------40-518

E-15Enginecoolanttemperaturegaugedoesnotindicatecorrecttemperature--------40-521

E-16Hydraulicoiltemperaturegaugedoesnotindicatecorrecttemperature----------40-522

E-17Operationmodedoesnotchange-------------------------------------40-523

E-18Servicemodecannotbeselected-------------------------------------40-524

E-19Operatingcustomizeswitchdoesnotdisplaycustomizescreen----------------40-525

E-20Modifyingsettingoncustomizescreendoesnotchangesettingofmachine-------40-526

E-21Servicemeterisnotdisplayed,whilestartingswitchisinOFFposition-----------40-527

E-22Workequipmentdoesnotoperate------------------------------------40-528

E-23Footheaterdoesnotoperate----------------------------------------40-530

E-24Horndoesnotsound----------------------------------------------40-535

E-25Horndoesnotstopsounding----------------------------------------40-537

E-26Backupalarmdoesnotsound---------------------------------------40-538

E-27Backupalarmdoesnotstopsounding----------------------------------40-539

E-28Headlampdoesnotlightup-----------------------------------------40-540

E-29Rearlampdoesnotlightup-----------------------------------------40-543

E-30Nowiperoperatescontinuouslyorintermittently---------------------------40-546

E-31Frontwiperdoesnotoperate----------------------------------------40-548

E-32Rearwiperdoesnotoperate----------------------------------------40-550

E-33Leftdoorwiperdoesnotoperate(failedinbothcontinuousandintermittentoperations)40-552

E-34Rightdoorwiperdoesnotoperate(failedinbothcontinuousandintermittentoperations)-40-556

E-35Frontwasherdoesnotoperate---------------------------------------40-560

E-36Rearwasherdoesnotoperate---------------------------------------40-562

E-37Leftdoorwasherdoesnotoperate------------------------------------40-564

E-38Rightdoorwasherdoesnotoperate-----------------------------------40-566

E-39KOMTRAXsystemdoesnotoperatenormally----------------------------40-568

Troubleshootingofhydraulicandmechanicalsystem(H-mode)-----------------------40-570

Informationdescribedintroubleshootingtable(H-mode)------------------------40-570

Failuremodeandcausetable-------------------------------------------40-571

H-1NeitherRHnorLHoftracksdoesnottravelforwardnorreverse(Noneofthetravelsystem operates)---------------------------------------------------40-574

H-2EitherRHorLHoftrackdoesnottravelforwardnorreverse(OnlyRHorLHoftravelsystem operates)---------------------------------------------------40-576

H-3EitherRHorLHoftracktravelonlyforwardorreverse(OnlyforwardorreverseofRHorLHof travelsystemdoesnotoperate)-----------------------------------40-577

H-4Travelspeedorpowerislow-----------------------------------------40-579

H-5Shockislargewhenmachinestartsorstops------------------------------40-580

H-6Machinedeviateslargely--------------------------------------------40-581

H-7Machinedriftonaslopeislarge---------------------------------------40-583

H-8Enginestallsduringtravelorenginespeeddropssignificantly-----------------40-584

H-9UnusualnoiseisheardfromaroundHSTpumpormotor---------------------40-586

H-10Allworkequipmentdonotoperate------------------------------------40-587

H-11Allworkequipmentoperatesslowlyorlackspower------------------------40-589

H-12Frontworkequipmentliftspeedorpowerislow---------------------------40-590

H-13Frontworkequipmentsideswingspeedorpowerislow---------------------40-591

H-14Hydraulicdriftofliftedfrontworkequipmentislarge------------------------40-592

H-15Unusualnoiseisheardfromaroundworkequipmentpumporcontrolvalve-------40-593

H-16HSToiltemperature(hydraulicoiltemperature)risestoohigh-----------------40-594

H-17Fanspeedisabnormal(high,low,ornorotation)--------------------------40-596

H-18Unusualnoiseisheardfromaroundfan--------------------------------40-598

Troubleshootingofengine(S-mode)------------------------------------------40-599

Methodofusingtroubleshootingcharts------------------------------------40-599

S-1Startingperformanceispoor-----------------------------------------40-603

S-2Enginedoesnotstart----------------------------------------------40-604

S-3Enginedoesnotpickupsmoothly-------------------------------------40-607

S-4Enginestopsduringoperations---------------------------------------40-608

S-5Enginedoesnotrotatesmoothly--------------------------------------40-609

S-6Enginelacksoutput(orlackspower)-----------------------------------40-610

S-7Exhaustsmokeisblack(incompletecombustion)--------------------------40-611

S-8Oilconsumptionisexcessive(orexhaustsmokeisblue)---------------------40-612

S-9Oilbecomescontaminatedquickly-------------------------------------40-613

S-10Fuelconsumptionisexcessive---------------------------------------40-614

S-11Oilisincoolant(orcoolantspurtsbackorcoolantlevelgoesdown)------------40-615

S-12Oilpressuredrops-----------------------------------------------40-616

S-13Oillevelrises(Entryofcoolantorfuel)---------------------------------40-617

S-14Coolanttemperaturebecomestoohigh(overheating)----------------------40-618

S-15Abnormalnoiseismade-------------------------------------------40-619

S-16Vibrationisexcessive---------------------------------------------40-620

50Disassemblyandassembly---------------------------------------------------50-1

Tableofcontents---------------------------------------------------------50-2

Relatedinformationondisassemblyandassembly---------------------------------50-4

Howtoreadthismanual------------------------------------------------50-4

Coatingmaterialslist--------------------------------------------------50-6

Specialtoolslist------------------------------------------------------50-10

Sketchesofspecialtools------------------------------------------------50-16

Engineandcoolingsystem--------------------------------------------------50-29

Removalandinstallationofsupplypumpassembly-----------------------------50-29

Removalandinstallationoffuelinjectorassembly------------------------------50-33

Removalandinstallationofcylinderheadassembly----------------------------50-40

Removalandinstallationofradiatorassembly---------------------------------50-54

Removalandinstallationofaftercoolerassembly------------------------------50-58

Removalandinstallationofhydraulicoilcoolerassembly-------------------------50-61

Removalandinstallationofcoolingfandriveassembly--------------------------50-64

Removalandinstallationofcoolingfanmotorassembly--------------------------50-67

Removalandinstallationofengineassembly---------------------------------50-69

Disassemblyandassemblyofdamperassembly-------------------------------50-76

Removalandinstallationofenginefrontoilseal-------------------------------50-77

Removalandinstallationofenginerearoilseal--------------------------------50-79

Removalandinstallationofenginehoodassembly-----------------------------50-82

Removalandinstallationoffueltankassembly--------------------------------50-85

Removalandinstallationofmuffler-----------------------------------------50-90

Removalandinstallationofbeltforalternatorandairconditionercompressor----------50-92

Removalandinstallationofaircleanerassembly-------------------------------50-93

Powertrain-------------------------------------------------------------50-95

RemovalandinstallationofHSTpumpassembly------------------------------50-95

RemovalandinstallationofHSTmotorandfinaldriveassembly--------------------50-97

Disassemblyandassemblyoffinaldrive------------------------------------50-100

Undercarriageandframe--------------------------------------------------50-110

Removalandinstallationoftrackframeassembly-----------------------------50-110

Removalandinstallationofidlerassembly----------------------------------50-114

Disassemblyandassemblyofidler---------------------------------------50-116

Removalandinstallationofrecoilspringassembly----------------------------50-120

Disassemblyandassemblyofrecoilspring----------------------------------50-121

Removalandinstallationoftrackrollerassembly------------------------------50-125

Disassemblyandassemblyoftrackrollerassembly----------------------------50-127

Removalandinstallationofcarrierrollerassembly-----------------------------50-130

Disassemblyandassemblyofcarrierrollerassembly---------------------------50-132

Removalandinstallationofsegmentteeth----------------------------------50-134

Separationandconnectionoftrackshoeassembly(Standardtypetrackshoe)---------50-135

Overalldisassemblyandassemblyoftrackshoeassembly(Standardtypetrackshoe)---50-138

Disassemblyandassemblyofonetracklinkassemblyinfield(Standardtypetrackshoe)-50-154

Removalandinstallationofpivotshaftassembly------------------------------50-160

Removalandinstallationofequalizerbarassembly----------------------------50-162

Removalandinstallationofequalizerbarsidebushing--------------------------50-164

Hydraulicsystem--------------------------------------------------------50-165

Removalandinstallationofhydraulictankassembly---------------------------50-165

Removalandinstallationofcontrolvalveassembly----------------------------50-169

Disassemblyandassemblyofhydrauliccylinderassembly-----------------------50-172

Workequipment---------------------------------------------------------50-175

Removalandinstallationofplanterunitassembly-----------------------------50-175

Removalandinstallationofcenterframeassembly----------------------------50-177

Cabanditsattachments---------------------------------------------------50-179

RemovalandinstallationofROPScabassembly------------------------------50-179

Removalandinstallationofoperator'scabglass(adhesionglass)------------------50-183

Removalandinstallationofoperator'sseat----------------------------------50-189

Removalandinstallationofseatbelt---------------------------------------50-190

Removalandinstallationoffootheaterassembly------------------------------50-191

Disassemblyandassemblyoffootheaterassembly----------------------------50-193

Removalandinstallationofairconditionerunitassembly------------------------50-194

Removalandinstallationofairconditionercompressorassembly------------------50-198

Electricalsystem--------------------------------------------------------50-200

Removalandinstallationofmachinemonitorassembly-------------------------50-200

Removalandinstallationofenginecontrollerassembly-------------------------50-201

RemovalandinstallationofHSTcontrollerassembly---------------------------50-203

RemovalandinstallationofKOMTRAXterminal------------------------------50-204

60Maintenancestandard------------------------------------------------------60-1

Tableofcontents---------------------------------------------------------60-2

Engineandcoolingsystem--------------------------------------------------60-3

Enginemount--------------------------------------------------------60-3

Coolingfanmotor-----------------------------------------------------60-4

OilcoolerbypassandHSTchargesafetyvalve--------------------------------60-6

Powertrain-------------------------------------------------------------60-7

Damper------------------------------------------------------------60-7

HSTpump----------------------------------------------------------60-8

HSTmotor----------------------------------------------------------60-10

Chargepump--------------------------------------------------------60-11

Solenoidvalve-------------------------------------------------------60-12

Finaldrive----------------------------------------------------------60-13

Sprocket------------------------------------------------------------60-14

Full-scaledrawingofsprockettoothprofile-----------------------------------60-15

Undercarriageandframe---------------------------------------------------60-16

Suspension---------------------------------------------------------60-16

Trackframeandidlercushion--------------------------------------------60-18

Idler---------------------------------------------------------------60-20

Trackroller----------------------------------------------------------60-22

Carrierroller---------------------------------------------------------60-24

Trackshoe----------------------------------------------------------60-25

Hydraulicsystem---------------------------------------------------------60-28

Hydraulictank-------------------------------------------------------60-28

Workequipmentandcoolingfanpump--------------------------------------60-29

Controlvalve--------------------------------------------------------60-32

Anti-dropvalve-------------------------------------------------------60-39

Workequipment---------------------------------------------------------60-41

Planterunit---------------------------------------------------------60-41

Liftcylinder---------------------------------------------------------60-44

Swingcylinder-------------------------------------------------------60-45

Cabanditsattachments----------------------------------------------------60-46

Cabmount----------------------------------------------------------60-46

Electricalsystem---------------------------------------------------------60-47

Electricsteeringlever--------------------------------------------------60-47

80Appendix----------------------------------------------------------------80-1

Tableofcontents---------------------------------------------------------80-2

Airconditionercomponents-------------------------------------------------80-3

Precautionsforrefrigerant-----------------------------------------------80-3

Airconditionercomponent-----------------------------------------------80-4

Configurationandfunctionofrefrigerationcycle-------------------------------80-7

Outlineofrefrigerationcycle---------------------------------------------80-8

Airconditionerunit----------------------------------------------------80-10

Dualpressureswitch--------------------------------------------------80-14

Pressureswitch------------------------------------------------------80-15

Compressor---------------------------------------------------------80-16

Condenser----------------------------------------------------------80-17

Receiverdrier-------------------------------------------------------80-19

Procedurefortestingandtroubleshooting------------------------------------80-20

Electricalcircuitdiagram------------------------------------------------80-23

Systemdiagram------------------------------------------------------80-24

Partsandconnectorslayout---------------------------------------------80-26

Testingrelays--------------------------------------------------------80-31

Troubleshootingchart1-------------------------------------------------80-33

Troubleshootingchart2-------------------------------------------------80-34

Informationdescribedintroubleshootingtable---------------------------------80-36

A-1Troubleshootingforcondenserfan--------------------------------------80-37

A-2Troubleshootingforcompressorandrefrigerantsystem(Airisnotcooled)----------80-40

A-3Troubleshootingforblowermotorsystem(Noaircomesoutorairflowisabnormal)---80-44

A-4Troubleshootingfortemperaturecontrol----------------------------------80-46

Troubleshootingwithgaugepressure---------------------------------------80-49

Connectionofservicetool-----------------------------------------------80-52

Precautionsfordisconnectingandconnectinghosesandtubesinairconditionercircuit---80-54

Handlingofcompressoroil----------------------------------------------80-56

90Diagramsanddrawings-----------------------------------------------------90-1

Tableofcontents---------------------------------------------------------90-2

Hydrauliccircuitdiagram---------------------------------------------------90-3

Symbolsinhydrauliccircuitdiagram----------------------------------------90-3

Hydrauliccircuitdiagram------------------------------------------------90-7

Electriccircuitdiagram-----------------------------------------------------90-9

Symbolsinelectriccircuitdiagram-----------------------------------------90-9

Electriccircuitdiagram-------------------------------------------------90-13

00Indexandforeword

Foreword,safetyandgeneralinformation

00Indexandforeword

Foreword,safetyandgeneralinformation

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D61EM-23M0 | SN: B10001-UP | Komatsu | Heavy Equipment Manual PDF by Heavy Equipment Manual - Issuu