Komatsu D51EXi-24,D51PXi-24 Bulldozer Shop Manual KEBM685005 PDF

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Komatsu D51EXi-24,D51PXi-24 Bulldozer Shop Manual KEBM685005 – PDF DOWNLOAD

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Komatsu D51EXi-24,D51PXi-24 Bulldozer Shop Manual KEBM685005 – PDF DOWNLOAD

Language : English
Pages : 3161
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu D51EXi-24,D51PXi-24 Bulldozer Shop Manual KEBM685005 – PDF DOWNLOAD

SERIAL NUMBERS

• D51EXi-B25001 and up
• D51PXi-B25001 and up

COVER 0
00 INDEX AND FOREWORD . 3
INDEX . 4
FOREWORD, SAFETY, BASIC INFORMATION . 23
HOW TO READ THE SHOP MANUAL . 23
SAFETY NOTICE FOR OPERATION . 25
PRECAUTIONS TO PREVENT FIRE . 33
ACTIONS IF FIRE OCCURS 35
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS 36
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS . 37
PRECAUTIONS FOR DEF . 38
GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING 38
PRECAUTIONS FOR ADDING 38
PRECAUTIONS FOR STORING . 38
PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE . 38
THE OTHER PRECAUTIONS . 38
STORE AdBlue/DEF 39
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 40
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS . 43
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT . 50
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 52
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 53
PRACTICAL USE OF KOMTRAX 54
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER . 55
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER . 55
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER . 56
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER . 57
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 59
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR . 63
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR . 64
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL . 66
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH . 67
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE 69
HOW TO READ ELECTRICAL WIRE CODE 70
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD . 74
STANDARD TIGHTENING TORQUE TABLE 77
CONVERSION TABLE 84
ABBREVIATION LIST . 89
01 SPECIFICATION 93
CONTENTS 94
SPECIFICATIONS 95
SPECIFICATION DRAWING . 95
SPECIFICATION DRAWING: D51EXI-24 95
SPECIFICATION DRAWING: D51PXI-24 0
SPECIFICATIONS 0
SPECIFICATIONS: D51EXI-24 . 0
SPECIFICATIONS: D51PXI-24 . 0
WEIGHT TABLE 110
WEIGHT TABLE: D51EXI-24 . 110
WEIGHT TABLE: D51PXI-24 . 112
FUEL, COOLANT, LUBRICANT 114
METHOD FOR USING FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 114
10 STRUCTURE AND FUNCTION . 117
CONTENTS 118
UREA SCR SYSTEM . 122
LAYOUT DRAWING OF UREA SCR SYSTEM . 122
UREA SCR SYSTEM DIAGRAM . 124
FUNCTION OF UREA SCR SYSTEM . 125
FUNCTION OF AdBlue/DEF SYSTEM . 125
INDUCEMENT STRATEGY . 128
COMPONENT PARTS OF UREA SCR SYSTEM 142
AdBlue/DEF MIXING TUBE 142
SCR ASSEMBLY 143
AdBlue/DEF TANK . 145
AdBlue/DEF PUMP . 147
AdBlue/DEF INJECTOR . 148
AdBlue/DEF HOSE . 149
AdBlue/DEF TANK HEATING VALVE . 150
BOOT-UP SYSTEM 151
LAYOUT DRAWING OF BOOT-UP SYSTEM 151
SYSTEM OPERATING LAMP SYSTEM 152
SYSTEM DIAGRAM OF SYSTEM OPERATING LAMP SYSTEM 152
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM 152
BATTERY DISCONNECT SWITCH . 154
FUNCTION OF BATTERY DISCONNECT SWITCH . 154
ENGINE SYSTEM . 155
LAYOUT DRAWING OF ENGINE SYSTEM . 155
ENGINE CONTROL SYSTEM . 157
LAYOUT OF ENGINE CONTROL SYSTEM . 157
ENGINE CONTROL SYSTEM DIAGRAM . 159
FUNCTION OF ENGINE CONTROL SYSTEM . 161
AUTOMATIC IDLE STOP SYSTEM 163
AUTOMATIC IDLE STOP SYSTEM DIAGRAM 163
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM 163
COMPONENT PARTS OF ENGINE SYSTEM 0
DAMPER 0
VGT . 168
EGR SYSTEM 171
EGR VALVE . 173
EGR COOLER 175
KCCV SYSTEM . 177
KCCV VENTILATOR . 179
KDOC 181
COOLING SYSTEM 184
LAYOUT DRAWING OF COOLING SYSTEM 184
SPECIFICATIONS OF COOLING SYSTEM 185
COOLING FAN CONTROL SYSTEM 186
COOLING FAN CONTROL SYSTEM DIAGRAM 186
FUNCTION OF COOLING FAN CONTROL SYSTEM 187
COMPONENT PARTS OF COOLING SYSTEM . 189
COOLING FAN MOTOR . 189
HYDRAULIC OIL COOLER BYPASS AND HST CHARGE SAFETY VALVE . 194
HYDRAULIC OIL COOLER BYPASS VALVE . 195
HST CHARGE SAFETY VALVE . 196
CONTROL SYSTEM 198
LAYOUT DRAWING OF CONTROL SYSTEM 198
MACHINE MONITOR SYSTEM 199
SYSTEM DIAGRAM OF MACHINE MONITOR . 199
FUNCTION OF MACHINE MONITOR SYSTEM 199
KOMTRAX SYSTEM 200
KOMTRAX SYSTEM DIAGRAM 200
FUNCTION OF KOMTRAX SYSTEM 200
COMPONENT PARTS OF CONTROL SYSTEM . 201
MACHINE MONITOR . 201
GATEWAY FUNCTION CONTROLLER . 216
COMMUNICATION TERMINAL 219
HST CONTROLLER 221
ENGINE CONTROLLER . 225
FUEL CONTROL DIAL . 232
DECELERATOR AND BRAKE POTENTIOMETER . 234
HYDRAULIC SYSTEM 236
LAYOUT DRAWING OF HYDRAULIC SYSTEM 236
CLSS 237
STRUCTURE OF CLSS . 237
FUNCTION OF CLSS 238
COMPONENT PARTS OF HYDRAULIC SYSTEM . 240
HYDRAULIC TANK 240
WORK EQUIPMENT AND COOLING FAN PUMP . 242
LS VALVE 250
PC VALVE 251
CONTROL VALVE . 254
POWER TRAIN SYSTEM 272
LAYOUT DRAWING OF HST SYSTEM 272
OPERATION OF HST SYSTEM . 273
STEERING AND BRAKE CONTROL SYSTEM . 275
LAYOUT DRAWING OF STEERING AND BRAKE CONTROL SYSTEM . 275
FUNCTION OF STEERING AND BRAKE CONTROL SYSTEM . 275
HST CONTROL SYSTEM 277
HST CONTROL SYSTEM DIAGRAM 277
GEAR SHIFT CONTROL FUNCTION . 278
ENGINE LOW SPEED MATCHING CONTROL FUNCTION 281
HST PUMP AND MOTOR SEQUENCE CONTROL FUNCTION 282
DECELERATION AND BRAKE CONTROL FUNCTION . 283
GEAR SHIFT CONTROL FUNCTION BY LOAD . 285
TURN CONTROL FUNCTION . 285
STRAIGHT TRAVEL CORRECTION CONTROL FUNCTION . 286
PARKING BRAKE CONTROL SYSTEM 288
PARKING BRAKE CONTROL SYSTEM DIAGRAM 288
FUNCTION OF PARKING BRAKE CONTROL SYSTEM 289
OPERATION OF PARKING BRAKE CONTROL SYSTEM . 290
COMPONENT PARTS OF POWER TRAIN SYSTEM . 291
HST PUMP 291
HST CHARGE PUMP . 306
HST MOTOR . 307
FINAL DRIVE . 320
ELECTRIC STEERING CONTROL LEVER . 324
WORK EQUIPMENT SYSTEM . 327
WORK EQUIPMENT CONTROL 327
WORK EQUIPMENT CONTROL SYSTEM DIAGRAM . 327
FUNCTION OF WORK EQUIPMENT CONTROL 328
LAYOUT DRAWING OF FRONT WORK EQUIPMENT 329
LAYOUT OF FIXED MULTI-SHANK RIPPER 330
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 331
RIPPER PPC VALVE 331
5-PORT VALVE OF EPC AND SOLENOID 335
PILOT CIRCUIT ACCUMULATOR . 341
QUICK DROP VALVE 342
PISTON VALVE 344
ELECTRIC BLADE CONTROL LEVER 345
ICT SYSTEM 347
LAYOUT DRAWING OF ICT SYSTEM 347
SYSTEM DIAGRAM OF ICT CONTROL SYSTEM 349
BLADE CONTROL SYSTEM 351
FUNCTION OF BLADE CONTROL SYSTEM 351
SIMPLE GRADING MODE SYSTEM DIAGRAM 353
FUNCTION OF SIMPLE GRADING MODE . 354
OPERATION OF SIMPLE GRADING MODE 354
ASSIST CONTROL SYSTEM . 356
ASSIST CONTROL SYSTEM DIAGRAM . 356
FUNCTION OF ASSIST CONTROL SYSTEM . 356
OPERATION OF ASSIST CONTROL SYSTEM 357
BACK GRADE MODE SYSTEM 358
BACK GRADE MODE SYSTEM DIAGRAM 358
FUNCTION OF BACK GRADE MODE SYSTEM 359
OPERATION OF BACK GRADE MODE SYSTEM . 359
CUT CONTROL SYSTEM 360
CUT CONTROL SYSTEM DIAGRAM 360
FUNCTION OF CUT CONTROL SYSTEM 361
OPERATION OF CUT CONTROL SYSTEM . 361
SMOOTH START SYSTEM . 373
SMOOTH START SYSTEM DIAGRAM . 373
FUNCTION OF SMOOTH START SYSTEM . 374
OPERATION OF SMOOTH START SYSTEM 374
SLIP CONTROL SYSTEM . 375
SLIP CONTROL SYSTEM DIAGRAM . 375
FUNCTION OF SLIP CONTROL SYSTEM . 376
OPERATION OF SLIP CONTROL SYSTEM 376
SPEED CONTROL SYSTEM 377
SPEED CONTROL SYSTEM DIAGRAM 377
FUNCTION OF SPEED CONTROL SYSTEM 377
OPERATION OF SPEED CONTROL SYSTEM . 377
STRAIGHT TRAVEL CORRECTION SYSTEM . 379
STRAIGHT TRAVEL CORRECTION SYSTEM DIAGRAM . 379
FUNCTION OF STRAIGHT TRAVEL CORRECTION SYSTEM . 380
OPERATION OF STRAIGHT TRAVEL CORRECTION SYSTEM 380
QUICK SURFACE CONTROL SYSTEM 383
QUICK SURFACE CONTROL SYSTEM DIAGRAM 383
FUNCTION OF QUICK SURFACE CONTROL SYSTEM 383
OPERATION OF QUICK SURFACE CONTROL SYSTEM . 384
SYSTEM OF TRIANGULATED SURFACE FROM AS-BUILT 385
SYSTEM DIAGRAM OF TRIANGULATED SURFACE FROM AS-BUILT 385
FUNCTION OF SYSTEM OF TRIANGULATED SURFACE FROM AS-BUILT 385
OPERATION OF SYSTEM OF TRIANGULATED SURFACE FROM AS-BUILT . 385
2 SURFACES SELECTION CONTROL SYSTEM . 387
2 SURFACES SELECTION CONTROL SYSTEM DIAGRAM . 387
FUNCTION OF 2 SURFACES SELECTION CONTROL SYSTEM . 388
OPERATION OF 2 SURFACES SELECTION CONTROL SYSTEM 388
LIFT LAYER CONTROL SYSTEM . 389
LIFT LAYER CONTROL SYSTEM DIAGRAM . 389
FUNCTION OF LIFT LAYER CONTROL SYSTEM . 390
OPERATION OF LIFT LAYER CONTROL SYSTEM 390
2D LASER MACHINE CONTROL SYSTEM . 392
SYSTEM DIAGRAM OF 2D LASER MACHINE CONTROL SYSTEM . 392
FUNCTION OF 2D LASER MACHINE CONTROL SYSTEM . 393
OPERATION OF 2D LASER MACHINE CONTROL SYSTEM 393
COMPONENT PARTS OF ICT SYSTEM . 394
ICT SENSOR CONTROLLER . 394
CONTROL BOX . 398
GNSS RECEIVER . 400
GNSS ANTENNA 402
IMU SENSOR 403
GNSS EXTERNAL RADIO DEVICE 406
NAVIGATION CONTROLLER . 408
STROKE AND RESET SENSOR FOR BLADE LIFT CYLINDER . 413
STROKE SENSOR FOR BLADE TILT CYLINDER . 416
STROKE SENSOR FOR BLADE ANGLE CYLINDER 418
UNDERCARRIAGE AND FRAME . 420
MAIN FRAME 420
STRUCTURE OF MAIN FRAME . 420
SUSPENSION 421
STRUCTURE OF SUSPENSION . 421
SPECIFICATIONS OF SUSPENSION 422
FUNCTION OF SUSPENSION 423
TRACK FRAME AND IDLER CUSHION . 424
STRUCTURE OF TRACK FRAME AND IDLER CUSHION 424
FUNCTION OF TRACK FRAME AND IDLER CUSHION . 425
WORK EQUIPMENT 0
STRUCTURE OF FRONT WORK EQUIPMENT (Serial No.: 15001 to 15600) 0
STRUCTURE OF FRONT WORK EQUIPMENT (Serial No.: 15601 and up) 0
STRUCTURE OF FIXED MULTI-SHANK RIPPER . 428
CAB AND ITS ATTACHMENTS . 429
ROPS CAB 429
STRUCTURE OF ROPS CAB . 429
FUNCTION OF ROPS CAB 430
CAB MOUNT . 431
STRUCTURE OF CAB MOUNT 431
FUNCTION OF CAB MOUNT . 431
20 STANDARD VALUE TABLE . 433
CONTENTS 434
STANDARD VALUE TABLE FOR ENGINE . 435
STANDARD VALUE TABLE FOR ENGINE: D51EXI-24 435
STANDARD VALUE TABLE FOR ENGINE: D51PXI-24 439
STANDARD VALUE TABLE FOR MACHINE 443
STANDARD VALUE TABLE FOR MACHINE: D51EXI-24 . 443
STANDARD VALUE TABLE FOR MACHINE: D51PXI-24 . 460
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE . 475
30 TESTING AND ADJUSTING 477
CONTENTS 478
RELATED INFORMATION ON TESTING AND ADJUSTING 482
TOOLS FOR TESTING AND ADJUSTING . 482
SKETCH OF TOOLS FOR TESTING AND ADJUSTING . 490
ENGINE AND COOLING SYSTEM . 495
TEST ENGINE SPEED . 495
METHOD FOR TESTING ENGINE SPEED . 495
TEST BOOST PRESSURE . 497
METHOD FOR TESTING BOOST PRESSURE . 497
TEST EXHAUST GAS COLOR 498
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER . 498
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER . 499
TEST AND ADJUST VALVE CLEARANCE . 500
METHOD FOR TESTING VALVE CLEARANCE 500
METHOD FOR ADJUSTING VALVE CLEARANCE 501
TEST COMPRESSION PRESSURE . 502
METHOD FOR TESTING COMPRESSION PRESSURE . 502
TEST BLOWBY PRESSURE 507
METHOD FOR TESTING BLOWBY PRESSURE 507
TEST ENGINE OIL PRESSURE 509
METHOD FOR TESTING ENGINE OIL PRESSURE 509
VISUAL CHECK INSIDE OF EGR VALVE 510
VISUAL CHECK INSIDE OF EGR VALVE 510
CLEAN INSIDE OF EGR VALVE . 512
CLEAN INSIDE OF EGR VALVE . 512
TEST FUEL PRESSURE 515
METHOD FOR TESTING FUEL PRESSURE 516
TEST FUEL DISCHARGE, RETURN AND LEAKAGE . 520
METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE . 521
BLEED AIR FROM FUEL SYSTEM 526
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM 526
TEST FUEL CIRCUIT FOR LEAKAGE . 527
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE . 527
HANDLE CYLINDER CUT-OUT MODE OPERATION 529
HANDLE NO-INJECTION CRANKING OPERATION 530
TEST KDOC, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE . 531
METHOD FOR TESTING KDOC, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE . 531
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS 532
METHOD FOR TESTING INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS 532
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS . 533
METHOD FOR TESTING ENGINE PIPING FOR DAMAGE AND LOOSENESS . 533
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER 534
METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER . 534
TEST SCR RELATED FUNCTIONS 535
TEST AdBlue/DEF PUMP RAISED PRESSURE 539
TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR 542
TEST AdBlue/DEF LINE HEATER RELAY 1 . 547
TEST AdBlue/DEF LINE HEATER RELAY 2 . 550
TEST AdBlue/DEF PUMP HEATER RELAY . 553
TEST AdBlue/DEF TANK HEATER VALVE . 557
TEST DENITRATION EFFICIENCY OF SCR 561
CLEAN AdBlue/DEF TANK . 564
METHOD FOR CLEANING AdBlue/DEF TANK . 564
CLEAN AdBlue/DEF TANK MOUNTING PORTION 568
METHOD FOR CLEANING AdBlue/DEF TANK MOUNTING PORTION 568
CLEAN AdBlue/DEF PUMP . 569
CLEAN AdBlue/DEF PUMP . 569
POWER TRAIN . 575
TEST AND ADJUST HST OIL PRESSURE 575
METHOD FOR TESTING HST OIL PRESSURE . 575
METHOD FOR ADJUSTING HST OIL PRESSURE . 578
BLEED AIR FROM HST PUMP . 580
METHOD FOR BLEEDING AIR FROM HST PUMP . 580
METHOD FOR BLEEDING AIR FROM SERVO VALVE OF HST PUMP 580
TEST OUTLET PRESSURE OF SOLENOID VALVE 582
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE 582
TEST TRAVEL DEVIATION . 586
METHOD FOR TESTING TRAVEL DEVIATION . 586
TEST BRAKE PERFORMANCE SIMPLY . 588
METHOD FOR TESTING BRAKE PERFORMANCE SIMPLY . 588
TEST AND ADJUST DECELERATION/BRAKE PEDAL 589
METHOD FOR TESTING DECELERATION/BRAKE PEDAL . 589
METHOD FOR ADJUSTING DECELERATION/BRAKE PEDAL . 591
ADJUST PARKING BRAKE LEVER 593
METHOD FOR ADJUSTING PARKING BRAKE LEVER 593
MOVE MACHINE WHEN IT CANNOT TRAVEL 595
METHOD FOR MOVING MACHINE WITH HYDRAULIC TYPE PARKING BRAKE RELEASE SYSTEM 595
METHOD FOR MOVING DISABLED MACHINE BY REMOVING FINAL DRIVE SHAFT 597
UNDERCARRIAGE AND FRAME . 598
CHECK AND ADJUST IDLER CLEARANCE 598
METHOD FOR ADJUSTING IDLER CLEARANCE HORIZONTALLY . 598
METHOD FOR ADJUSTING IDLER CLEARANCE VERTICALLY . 598
TESTING SPROCKET WEAR . 600
METHOD FOR TESTING SPROCKET WEAR 600
TEST AND ADJUST TRACK TENSION . 601
METHOD FOR TESTING TRACK TENSION 601
METHOD FOR ADJUSTING TRACK TENSION 601
HYDRAULIC SYSTEM 603
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 603
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT 603
TEST AND ADJUST WORK EQUIPMENT OIL PRESSURES 604
METHOD FOR TESTING WORK EQUIPMENT OIL PRESSURES . 604
METHOD FOR ADJUSTING WORK EQUIPMENT OIL PRESSURES . 605
TEST AND ADJUST OIL PRESSURE OF CONTROL CIRCUIT . 607
METHOD FOR TESTING WORK EQUIPMENT CIRCUIT OIL PRESSURE BY TESTING TOOLS . 607
METHOD FOR ADJUSTING OIL PRESSURE OF CONTROL CIRCUIT 608
TEST OUTLET PRESSURE OF EPC SOLENOID VALVE 610
METHOD FOR TESTING OUTLET PRESSURE OF EPC SOLENOID VALVE 610
BLEED AIR FROM WORK EQUIPMENT, COOLING FAN PUMP, AND CHARGE PUMP 612
BLEED AIR FROM WORK EQUIPMENT, COOLING FAN PUMP, AND CHARGE PUMP 612
TEST COOLING FAN SPEED 613
METHOD FOR TESTING COOLING FAN SPEED 613
TEST COOLING FAN CIRCUIT OIL PRESSURE . 614
METHOD FOR TESTING COOLING FAN CIRCUIT OIL PRESSURE . 614
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 616
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BLADE LIFT CYLINDER . 616
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BLADE TILT CYLINDER . 616
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF RIPPER LIFT CYLINDER 617
TEST INTERNAL OIL LEAKAGE OF WORK EQUIPMENT CYLINDER 618
METHOD FOR TESTING INTERNAL OIL LEAKAGE OF WORK EQUIPMENT CYLINDER 618
BLEED AIR FROM WORK EQUIPMENT CYLINDERS . 621
METHOD FOR BLEEDING AIR FROM WORK EQUIPMENT CYLINDERS . 621
WORK EQUIPMENT 622
ADJUST WORK EQUIPMENT LOCK LEVER 622
METHOD FOR ADJUSTING WORK EQUIPMENT LOCK LEVER 622
TEST AND ADJUST PLAY OF BLADE ELECTRIC LEVER 624
TEST PLAY OF BLADE ELECTRIC LEVER . 626
ADJUST PLAY OF BLADE ELECTRIC LEVER . 626
REPLACE UNIVERSAL JOINT . 628
ELECTRICAL SYSTEM . 634
SET AND OPERATE MACHINE MONITOR . 634
OPERATOR MODE . 638
DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN . 638
DISPLAY FUNCTION OF OPERATOR IDENTIFICATION INPUT SCREEN 638
CHECK FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) 639
CHECK FUNCTION OF SERVICE METER . 639
USAGE LIMITATION AND CHANGING MAINTENANCE PASSWORD 639
SERVICE MODE 642
OPERATE SERVICE MODE 642
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION 643
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION 650
ABNORMALITY RECORD MENU . 662
METHOD FOR CONFIRMING MAINTENANCE RECORD 666
METHOD FOR OPERATING MAINTENANCE MODE SETTING . 667
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING . 671
DEFAULT MENU 673
DIAGNOSTIC TESTS MENU . 681
ADJUSTMENT MENU . 688
METHOD FOR PERFORMING NO-INJECTION CRANKING . 756
KOMTRAX SETTINGS MENU . 759
METHOD FOR DISPLAYING SERVICE MESSAGE . 761
START UP KOMTRAX SYSTEM . 763
STOP USING OF KOMTRAX SYSTEM 769
ADJUSTMENT WHEN HST CONTROLLER HAS BEEN REPLACED 771
ADJUSTMENT METHOD WHEN HST CONTROLLER HAS BEEN REPLACED . 771
ADJUSTMENT WHEN ELECTRIC OR HYDRAULIC DEVICE HAS BEEN REPLACED 777
ADJUST REARVIEW CAMERA ANGLE 779
METHOD FOR ADJUSTING REARVIEW CAMERA ANGLE 779
SET REGION OF Bluetooth(R) COMPATIBLE RADIO . 780
SET REGION OF Bluetooth(R) COMPATIBLE RADIO . 780
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER . 782
BATTERY DISCONNECT SWITCH . 783
TEST DIODES . 784
METHOD FOR TESTING DIODE USING DIGITAL TESTER . 784
METHOD FOR TESTING DIODE USING ANALOG TESTER 784
ICT SYSTEM 785
TEST AND ADJUST ICT RELATED DEVICES . 785
SET AND OPERATE CONTROL BOX . 787
MACHINE CALIBRATION . 788
IMU SENSOR CALIBRATION 789
OPERATE MACHINE CALIBRATION STEP A 795
OPERATE MACHINE CALIBRATION STEP B 801
CALIBRATE GNSS ANTENNA (AUX) LOCATION . 807
OPERATE PITCH ROD CALIBRATION (Serial No.: 15001 to 15600) 0
OPERATE PITCH ROD CALIBRATION (Serial No.: 15601 and up) 0
INPUT WEAR AMOUNT OF BLADE EDGE AND TRACK SHOE 813
RESET CYLINDER STROKE END . 814
RESET LIFT CYLINDER STROKE END 814
RESET TILT CYLINDER STROKE END 815
RESET ANGLE CYLINDER STROKE END . 815
OPERATE MANUAL MACHINE CALIBRATION 816
CHECK AND ADJUST BLADE ELEVATION 818
CHECK BLADE ELEVATION . 818
ADJUST BLADE ELEVATION 818
TEST STROKE SENSOR FOR LIFT CYLINDER 821
TEST STROKE SENSOR FOR LIFT CYLINDER 821
TEST STROKE SENSOR FOR TILT CYLINDER 823
TEST STROKE SENSOR FOR TILT CYLINDER 823
TEST STROKE SENSOR FOR ANGLE CYLINDER . 825
TEST STROKE SENSOR FOR ANGLE CYLINDER . 825
TEST AND ADJUST RESET SENSOR FOR LIFT CYLINDER 827
TEST RESET SENSOR FOR LIFT CYLINDER . 827
ADJUST RESET SENSOR FOR LIFT CYLINDER . 828
ADJUST WHEN ICT SENSOR CONTROLLER IS REPLACED . 829
METHOD FOR ADJUSTING WHEN ICT SENSOR CONTROLLER IS REPLACED . 829
ADJUST AFTER REPLACEMENT OF IMU SENSOR 832
ADJUST AFTER REPLACEMENT OF IMU SENSOR 832
METHOD FOR ADJUSTING WHEN ICT RELATED DEVICES ARE REPAIRED OR REPLACED 833
Pm CLINIC . 836
Pm CLINIC SERVICE . 836
Pm CLINIC CHECK SHEET: D51EXI-24 838
Pm CLINIC CHECK SHEET: D51PXI-24 846
Pm CLINIC CHECK SHEET FOR UNDERCARRIAGE: D51EXI-24 854
Pm CLINIC CHECK SHEET FOR UNDERCARRIAGE: D51PXI-24 858
40 TROUBLESHOOTING 863
CONTENTS 864
RELATED INFORMATION ON TROUBLESHOOTING 876
GENERAL TROUBLESHOOTING POINTS 876
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM 877
SEQUENCE OF EVENTS IN TROUBLESHOOTING . 889
CHECKS BEFORE TROUBLESHOOTING . 891
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING . 893
WALK-AROUND CHECK . 893
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 895
CHECK FUEL LEVEL AND TYPE . 895
CHECK IMPURE INGREDIENT IN FUEL . 895
CHECK AdBule/DEF LEVEL AND TYPE . 896
CHECK FUEL PREFILTER 896
CHECK MAIN FILTER . 898
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) AND TYPE . 899
CHECK COOLANT LEVEL (RESERVOIR TANK) 901
CHECK CLOGGING OF AIR CLEANER . 901
CLEAN OUTER ELEMENT . 902
REPLACE ELEMENT . 904
CHECK HYDRAULIC OIL LEVEL . 905
CHECK HYDRAULIC OIL STRAINER 906
CHECK OIL LEVEL IN FINAL DRIVE CASE . 909
BLEED AIR FROM FUEL SYSTEM 910
BLEED AIR FROM HYDRAULIC SYSTEM . 910
METHOD FOR CHECKING ELECTRIC EQUIPMENT 910
PREPARATION FOR TROUBLESHOOTING ELECTRICAL SYSTEM . 917
PROCEDURE FOR TROUBLESHOOTING . 924
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 927
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM . 929
CONNECTORS LIST AND LAYOUT 932
CONNECTOR CONTACT IDENTIFICATION 950
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE . 990
FUSE LOCATION TABLE . 996
PRECAUTIONS FOR REPLACING KDOC 1000
FAILURE CODES TABLE .1001
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) .1022
FAILURE CODE [6091NX] .1022
FAILURE CODE [989L00] .1024
FAILURE CODE [989M00] .1025
FAILURE CODE [989N00] .1026
FAILURE CODE [A1U0N3] .1027
FAILURE CODE [A1U0N4] .1029
FAILURE CODE [A900FR] .1031
FAILURE CODE [A900N6] .1032
FAILURE CODE [A900NY] .1033
FAILURE CODE [AA10NX] .1034
FAILURE CODE [AB00KE] .1036
FAILURE CODE [AQ10MB] .1038
FAILURE CODE [AQ10N3] .1040
FAILURE CODE [AS00R2] .1042
FAILURE CODE [AS00R3] .1043
FAILURE CODE [AS00R4] .1044
FAILURE CODE [AS00R5] .1045
FAILURE CODE [AS00R6] .1046
FAILURE CODE [AS00ZK] .1047
FAILURE CODE [AS10KM] .1048
FAILURE CODE [AS10NR] .1049
FAILURE CODE [AS10NT] .1050
FAILURE CODE [B@BAZG] .1051
FAILURE CODE [B@BCNS] .1052
FAILURE CODE [B@BCQA] .1053
FAILURE CODE [B@BCZK] .1055
FAILURE CODE [B@CRNS] .1057
FAILURE CODE [B@CRZG] .1058
FAILURE CODE [CA115] 1059
FAILURE CODE [CA122] 1060
FAILURE CODE [CA123] 1062
FAILURE CODE [CA131] 1064
FAILURE CODE [CA132] 1066
FAILURE CODE [CA144] 1068
FAILURE CODE [CA145] 1070
FAILURE CODE [CA153] 1072
FAILURE CODE [CA154] 1074
FAILURE CODE [CA187] 1076
FAILURE CODE [CA221] 1078
FAILURE CODE [CA222] 1080
FAILURE CODE [CA227] 1082
FAILURE CODE [CA234] 1084
FAILURE CODE [CA238] 1085
FAILURE CODE [CA239] 1086
FAILURE CODE [CA249] 1087
FAILURE CODE [CA256] 1089
FAILURE CODE [CA271] 1091
FAILURE CODE [CA272] 1093
FAILURE CODE [CA295] 1095
FAILURE CODE [CA322] 1096
FAILURE CODE [CA324] 1098
FAILURE CODE [CA331] 1100
FAILURE CODE [CA332] 1102
FAILURE CODE [CA343] 1104
FAILURE CODE [CA351] 1105
FAILURE CODE [CA352] 1106
FAILURE CODE [CA356] 1108
FAILURE CODE [CA357] 1110
FAILURE CODE [CA386] 1112
FAILURE CODE [CA428] 1113
FAILURE CODE [CA429] 1115
FAILURE CODE [CA435] 1117
FAILURE CODE [CA441] 1119
FAILURE CODE [CA442] 1121
FAILURE CODE [CA451] 1122
FAILURE CODE [CA452] 1124
FAILURE CODE [CA488] 1126
FAILURE CODE [CA515] 1127
FAILURE CODE [CA516] 1129
FAILURE CODE [CA553] 1131
FAILURE CODE [CA555] 1132
FAILURE CODE [CA556] 1133
FAILURE CODE [CA559] 1134
FAILURE CODE [CA595] 1137
FAILURE CODE [CA687] 1139
FAILURE CODE [CA689] 1141
FAILURE CODE [CA691] 1144
FAILURE CODE [CA692] 1146
FAILURE CODE [CA697] 1148
FAILURE CODE [CA698] 1149
FAILURE CODE [CA731] 1150
FAILURE CODE [CA778] 1152
FAILURE CODE [CA1117] .1157
FAILURE CODE [CA1664] .1159
FAILURE CODE [CA1669] .1161
FAILURE CODE [CA1673] .1162
FAILURE CODE [CA1677] .1163
FAILURE CODE [CA1678] .1164
FAILURE CODE [CA1682] .1165
FAILURE CODE [CA1683] .1167
FAILURE CODE [CA1684] .1169
FAILURE CODE [CA1686] .1171
FAILURE CODE [CA1691] .1172
FAILURE CODE [CA1694] .1174
FAILURE CODE [CA1695] .1176
FAILURE CODE [CA1696] .1177
FAILURE CODE [CA1712] .1179
FAILURE CODE [CA1713] .1182
FAILURE CODE [CA1714] .1185
FAILURE CODE [CA1715] .1186
FAILURE CODE [CA1776] .1187
FAILURE CODE [CA1777] .1190
FAILURE CODE [CA1843] .1193
FAILURE CODE [CA1844] .1195
FAILURE CODE [CA1885] .1198
FAILURE CODE [CA1887] .1200
FAILURE CODE [CA1896] .1202
FAILURE CODE [CA1898] .1206
FAILURE CODE [CA1938] .1208
FAILURE CODE [CA1942] .1210
FAILURE CODE [CA1961] .1211
FAILURE CODE [CA1962] .1212
FAILURE CODE [CA2185] .1213
FAILURE CODE [CA2186] .1215
FAILURE CODE [CA2198] .1217
FAILURE CODE [CA2272] .1219
FAILURE CODE [CA2288] .1221
FAILURE CODE [CA2311] .1222
FAILURE CODE [CA2349] .1223
FAILURE CODE [CA2353] .1225
FAILURE CODE [CA2357] .1227
FAILURE CODE [CA2373] .1228
FAILURE CODE [CA2374] .1230
FAILURE CODE [CA2375] .1232
FAILURE CODE [CA2376] .1234
FAILURE CODE [CA2387] .1237
FAILURE CODE [CA2554] .1238
FAILURE CODE [CA2555] .1240
FAILURE CODE [CA2556] .1243
FAILURE CODE [CA2634] .1246
FAILURE CODE [CA2635] .1248
FAILURE CODE [CA2636] .1249
FAILURE CODE [CA2637] .1251
FAILURE CODE [CA2771] .1253
FAILURE CODE [CA2961] .1257
FAILURE CODE [CA2973] .1258
FAILURE CODE [CA2976] .1259
FAILURE CODE [CA3142] .1261
FAILURE CODE [CA3143] .1262
FAILURE CODE [CA3144] .1263
FAILURE CODE [CA3146] .1265
FAILURE CODE [CA3147] .1266
FAILURE CODE [CA3148] .1267
FAILURE CODE [CA3151] .1269
FAILURE CODE [CA3165] .1274
FAILURE CODE [CA3228] .1276
FAILURE CODE [CA3229] .1278
FAILURE CODE [CA3231] .1280
FAILURE CODE [CA3232] .1282
FAILURE CODE [CA3235] .1286
FAILURE CODE [CA3239] .1288
FAILURE CODE [CA3241] .1291
FAILURE CODE [CA3242] .1294
FAILURE CODE [CA3251] .1297
FAILURE CODE [CA3313] .1299
FAILURE CODE [CA3314] .1300
FAILURE CODE [CA3315] .1301
FAILURE CODE [CA3419] .1303
FAILURE CODE [CA3421] .1305
FAILURE CODE [CA3497] .1307
FAILURE CODE [CA3498] .1308
FAILURE CODE [CA3545] .1309
FAILURE CODE [CA3547] .1311
FAILURE CODE [CA3558] .1312
FAILURE CODE [CA3559] .1314
FAILURE CODE [CA3562] .1316
FAILURE CODE [CA3563] .1318
FAILURE CODE [CA3567] .1321
FAILURE CODE [CA3568] .1325
FAILURE CODE [CA3571] .1329
FAILURE CODE [CA3572] .1331
FAILURE CODE [CA3574] .1333
FAILURE CODE [CA3575] .1335
FAILURE CODE [CA3577] .1337
FAILURE CODE [CA3578] .1339
FAILURE CODE [CA3582] .1341
FAILURE CODE [CA3583] .1346
FAILURE CODE [CA3596] .1348
FAILURE CODE [CA3649] .1351
FAILURE CODE [CA3681] .1353
FAILURE CODE [CA3682] .1358
FAILURE CODE [CA3713] .1363
FAILURE CODE [CA3717] .1366
FAILURE CODE [CA3718] .1367
FAILURE CODE [CA3724] .1368
FAILURE CODE [CA3725] .1369
FAILURE CODE [CA3741] .1372
FAILURE CODE [CA3748] .1373
FAILURE CODE [CA3755] .1375
FAILURE CODE [CA3866] .1377
FAILURE CODE [CA3868] .1380
FAILURE CODE [CA4152] .1384
FAILURE CODE [CA4155] .1388
FAILURE CODE [CA4156] .1391
FAILURE CODE [CA4157] .1394
FAILURE CODE [CA4159] .1396
FAILURE CODE [CA4164] .1397
FAILURE CODE [CA4165] .1399
FAILURE CODE [CA4166] .1401
FAILURE CODE [CA4168] .1402
FAILURE CODE [CA4169] .1405
FAILURE CODE [CA4171] .1407
FAILURE CODE [CA4249] .1409
FAILURE CODE [CA4251] .1411
FAILURE CODE [CA4261] .1413
FAILURE CODE [CA4277] .1416
FAILURE CODE [CA4459] .1420
FAILURE CODE [CA4461] .1422
FAILURE CODE [CA4533] .1425
FAILURE CODE [CA4534] .1426
FAILURE CODE [CA4731] .1427
FAILURE CODE [CA4732] .1428
FAILURE CODE [CA4739] .1429
FAILURE CODE [CA4768] .1430
FAILURE CODE [CA4769] .1432
FAILURE CODE [CA4842] .1435
FAILURE CODE [CA4952] .1438
FAILURE CODE [CA5115] .1440
FAILURE CODE [CA5179] .1443
FAILURE CODE [CA5181] .1445
FAILURE CODE [CA5387] .1447
FAILURE CODE [CA5388] .1449
FAILURE CODE [CA5389] .1452
FAILURE CODE [CA5391] .1454
FAILURE CODE [CA5392] .1458
FAILURE CODE [CA5393] .1460
FAILURE CODE [CA5394] .1463
FAILURE CODE [CA5395] .1466
FAILURE CODE [CA5396] .1469
FAILURE CODE [CA5631] .1470
FAILURE CODE [CA5632] .1472
FAILURE CODE [CA5938] .1473
FAILURE CODE [D130KA] .1475
FAILURE CODE [D130KB] .1478
FAILURE CODE [D130KY] .1480
FAILURE CODE [D19DKA] .1482
FAILURE CODE [D19DKB] .1484
FAILURE CODE [D19DKY] .1486
FAILURE CODE [D19JKZ] .1489
FAILURE CODE [D811MC] .1492
FAILURE CODE [D862KA] .1493
FAILURE CODE [D8ALKA] .1494
FAILURE CODE [D8ALKB] .1498
FAILURE CODE [D8AQKR] .1501
FAILURE CODE [D8G1KT] .1503
FAILURE CODE [D8G6KT] .1504
FAILURE CODE [DAF0MB] .1505
FAILURE CODE [DAF0MC] .1506
FAILURE CODE [DAF8KB] .1507
FAILURE CODE [DAF9KQ] .1509
FAILURE CODE [DAFGMC] .1510
FAILURE CODE [DAFLKA] .1511
FAILURE CODE [DAFLKB] .1513
FAILURE CODE [DAFQKR] .1515
FAILURE CODE [DAJ000] .1516
FAILURE CODE [DAJ0KQ] .1517
FAILURE CODE [DAJ0KT] .1518
FAILURE CODE [DAJ0MC] .1519
FAILURE CODE [DAJ1KK] .1520
FAILURE CODE [DAJ2KK] .1522
FAILURE CODE [DAJ5KK] .1524
FAILURE CODE [DAJ6KK] .1527
FAILURE CODE [DAJLKA] .1529
FAILURE CODE [DAJLKB] .1531
FAILURE CODE [DAJPMA] .1533
FAILURE CODE [DAJQKR] .1534
FAILURE CODE [DAJRKR] .1535
FAILURE CODE [DB2QKR] .1536
FAILURE CODE [DB2RKR] .1543
FAILURE CODE [DBR0KT] .1548
FAILURE CODE [DBR0MC] .1549
FAILURE CODE [DBR1KK] .1550
FAILURE CODE [DBR2KK] .1553
FAILURE CODE [DBR5KK] .1556
FAILURE CODE [DBRLKA] .1558
FAILURE CODE [DBRLKB] .1560
FAILURE CODE [DBRPMA] .1562
FAILURE CODE [DBRQKR] .1563
FAILURE CODE [DBRRKR] .1565
FAILURE CODE [DBU0KR] .1566
FAILURE CODE [DBUSKR] .1567
FAILURE CODE [DBUTKA] .1572
FAILURE CODE [DBUTKN] .1573
FAILURE CODE [DBUTMA] .1575
FAILURE CODE [DBUUKA] .1576
FAILURE CODE [DBUUKN] .1578
FAILURE CODE [DD12KA] .1580
FAILURE CODE [DD12KB] .1582
FAILURE CODE [DD13KA] .1584
FAILURE CODE [DD13KB] .1586
FAILURE CODE [DD14KA] .1588
FAILURE CODE [DD14KB] .1590
FAILURE CODE [DDKAKA] .1592
FAILURE CODE [DDKAKB] .1594
FAILURE CODE [DDKFL4] .1596
FAILURE CODE [DDKGL4] .1598
FAILURE CODE [DDKHKA] .1600
FAILURE CODE [DDKHKB] .1602
FAILURE CODE [DDKQKA] .1604
FAILURE CODE [DDKQKB] .1606
FAILURE CODE [DDKRKA] .1608
FAILURE CODE [DDKRKB] .1610
FAILURE CODE [DDKSKA] .1612
FAILURE CODE [DDKSKB] .1614
FAILURE CODE [DDNLKA] .1616
FAILURE CODE [DDNLKB] .1618
FAILURE CODE [DDP6KA] .1620
FAILURE CODE [DDP6KB] .1623
FAILURE CODE [DDP6MA] .1625
FAILURE CODE [DDU1FS] .1627
FAILURE CODE [DDU1KA] .1629
FAILURE CODE [DDU1KY] .1632
FAILURE CODE [DFA4KX] .1634
FAILURE CODE [DFA4KZ] .1635
FAILURE CODE [DFA4L8] .1636
FAILURE CODE [DFA5KA] .1637
FAILURE CODE [DFA5KB] .1640
FAILURE CODE [DFA6KA] .1643
FAILURE CODE [DFA6KB] .1646
FAILURE CODE [DFA7KX] .1649
FAILURE CODE [DFA7KZ] .1650
FAILURE CODE [DFA7L8] .1651
FAILURE CODE [DFA8KA] .1652
FAILURE CODE [DFA8KB] .1655
FAILURE CODE [DFA9KA] .1658
FAILURE CODE [DFA9KB] .1661
FAILURE CODE [DGS1KA] .1664
FAILURE CODE [DGS1KX] .1667
FAILURE CODE [DH21KA] .1668
FAILURE CODE [DH21KB] .1670
FAILURE CODE [DHA4KA] .1672
FAILURE CODE [DHH7KA] .1674
FAILURE CODE [DHH7KB] .1677
FAILURE CODE [DHH8KA] .1679
FAILURE CODE [DHH8KB] .1682
FAILURE CODE [DHH9KA] .1684
FAILURE CODE [DHH9KB] .1687
FAILURE CODE [DHHAKA] .1689
FAILURE CODE [DHHAKB] .1692
FAILURE CODE [DHRUKA] .1694
FAILURE CODE [DHRUKB] .1696
FAILURE CODE [DHRVKA] .1698
FAILURE CODE [DHRVKB] .1700
FAILURE CODE [DK30KA] .1702
FAILURE CODE [DK30KB] .1705
FAILURE CODE [DK30KX] .1707
FAILURE CODE [DK30KZ] .1708
FAILURE CODE [DK30L8] .1709
FAILURE CODE [DK31KA] .1710
FAILURE CODE [DK31KB] .1713
FAILURE CODE [DK40KA] .1715
FAILURE CODE [DK40KB] .1718
FAILURE CODE [DK55KX] .1720
FAILURE CODE [DK55KZ] .1721
FAILURE CODE [DK55L8] .1722
FAILURE CODE [DK56KA] .1723
FAILURE CODE [DK56KB] .1726
FAILURE CODE [DK57KA] .1728
FAILURE CODE [DK57KB] .1731
FAILURE CODE [DK80KA] .1733
FAILURE CODE [DK80KR] .1736
FAILURE CODE [DK80KT] .1741
FAILURE CODE [DKS0L8] .1744
FAILURE CODE [DKS1KA] .1745
FAILURE CODE [DKS1KB] .1747
FAILURE CODE [DKS2KA] .1749
FAILURE CODE [DKS2KB] .1751
FAILURE CODE [DKS3KA] .1753
FAILURE CODE [DKS3KB] .1755
FAILURE CODE [DKS3MB] .1757
FAILURE CODE [DKS4L8] .1759
FAILURE CODE [DKS5KA] .1760
FAILURE CODE [DKS5KB] .1762
FAILURE CODE [DKS6KA] .1764
FAILURE CODE [DKS6KB] .1766
FAILURE CODE [DKS7MB] .1768
FAILURE CODE [DKSCL8] .1769
FAILURE CODE [DKSDKA] .1770
FAILURE CODE [DKSDKB] .1772
FAILURE CODE [DKSEKA] .1774
FAILURE CODE [DKSEKB] .1776
FAILURE CODE [DKSFKA] .1778
FAILURE CODE [DKSFKB] .1780
FAILURE CODE [DKSFMB] .1781
FAILURE CODE [DLM0KX] .1782
FAILURE CODE [DLM0MA] .1783
FAILURE CODE [DLM1KA] .1784
FAILURE CODE [DLM1KB] .1786
FAILURE CODE [DLM1MA] .1788
FAILURE CODE [DLM2KA] .1789
FAILURE CODE [DLM2KB] .1791
FAILURE CODE [DLM2MA] .1793
FAILURE CODE [DLM3KA] .1794
FAILURE CODE [DLM3KB] .1796
FAILURE CODE [DLM3MB] .1798
FAILURE CODE [DN21FS] .1799
FAILURE CODE [DR21KX] .1801
FAILURE CODE [DR31KX] .1802
FAILURE CODE [DV20KB] .1803
FAILURE CODE [DW4BKA] .1805
FAILURE CODE [DW4BKB] .1807
FAILURE CODE [DW4BKY] .1809
FAILURE CODE [DW7BKA] .1811
FAILURE CODE [DW7BKB] .1813
FAILURE CODE [DW7EKA] .1815
FAILURE CODE [DW7EKB] .1817
FAILURE CODE [DW7EKY] .1819
FAILURE CODE [DWN5KA] .1821
FAILURE CODE [DWN5KB] .1823
FAILURE CODE [DWN5KY] .1825
FAILURE CODE [DXA4KA] .1827
FAILURE CODE [DXA4KB] .1829
FAILURE CODE [DXA4KY] .1831
FAILURE CODE [DXA5KA] .1833
FAILURE CODE [DXA5KB] .1835
FAILURE CODE [DXA5KY] .1837
FAILURE CODE [DXA6KA] .1839
FAILURE CODE [DXA6KB] .1841
FAILURE CODE [DXA6KY] .1843
FAILURE CODE [DXA7KA] .1845
FAILURE CODE [DXA7KB] .1847
FAILURE CODE [DXA7KY] .1849
FAILURE CODE [DXHRKA] .1851
FAILURE CODE [DXHRKB] .1853
FAILURE CODE [DXHRKY] .1855
FAILURE CODE [DXHSKA] .1857
FAILURE CODE [DXHSKB] .1859
FAILURE CODE [DXHSKY] .1861
FAILURE CODE [DXHTKA] .1863
FAILURE CODE [DXHTKB] .1865
FAILURE CODE [DXHTKY] .1867
FAILURE CODE [DXHUKA] .1869
FAILURE CODE [DXHUKB] .1871
FAILURE CODE [DXHUKY] .1873
FAILURE CODE [DXJ4KA] .1875
FAILURE CODE [DXJ4KB] .1877
FAILURE CODE [DXJCKA] .1879
FAILURE CODE [DXJCKB] .1881
FAILURE CODE [DXJCKY] .1883
FAILURE CODE [DXJDKA] .1885
FAILURE CODE [DXJDKB] .1887
FAILURE CODE [DXJDKY] .1889
FAILURE CODE [DXK1KA] .1891
FAILURE CODE [DXK1KB] .1893
FAILURE CODE [DXK1KY] .1895
FAILURE CODE [DXK2KA] .1897
FAILURE CODE [DXK2KB] .1899
FAILURE CODE [DXK2KY] .1901
FAILURE CODE [F313KA] .1903
FAILURE CODE [F313KB] .1905
FAILURE CODE [F318KB] .1908
FAILURE CODE [F318KY] .1911
FAILURE CODE [F7A0KQ] .1913
FAILURE CODE [F7A0KT] .1914
FAILURE CODE [F7A1KK] .1915
FAILURE CODE [F7ALKB] .1918
FAILURE CODE [F7AQKR] .1920
FAILURE CODE [F7ASKA] .1921
FAILURE CODE [FE0AKA] .1923
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) .1925
ENGINE DOES NOT START (ENGINE DOES NOT CRANK) .1925
MANUAL PREHEATING SYSTEM DOES NOT WORK 1932
AUTOMATIC PREHEATING SYSTEM DOES NOT WORK .1935
WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP .1937
WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING .1939
WHEN STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), BASIC CHECK MONITOR LIGHTS UP 1943
AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING 1944
CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1945
ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1946
ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1947
HST CHARGE PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1948
HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1949
HST OIL FILTER CLOGGING MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1950
ENGINE COOLANT TEMPERATURE GAUGE DOES NOT INDICATE CORRECT TEMPERATURE 1951
AdBlue/DEF LEVEL IS NOT DISPLAYED PROPERLY 1952
FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL 1955
HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT INDICATE CORRECT TEMPERATURE .1958
OPERATION MODE DOES NOT CHANGE 1959
OPERATING CUSTOMIZE SWITCH DOES NOT DISPLAY CUSTOMIZE SCREEN 1960
MODIFYING SETTING ON CUSTOMIZE SCREEN DOES NOT CHANGE SETTING OF MACHINE 1961
SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION 1962
SERVICE MODE CANNOT BE SELECTED .1963
WORK EQUIPMENT DOES NOT OPERATE .1964
FOOT HEATER DOES NOT OPERATE 1966
HORN DOES NOT SOUND .1972
HORN DOES NOT STOP SOUNDING .1974
BACKUP ALARM DOES NOT SOUND .1975
BACKUP ALARM DOES NOT STOP SOUNDING .1976
HEADLAMP DOES NOT LIGHT UP 1977
REAR LAMP DOES NOT LIGHT UP .1981
ALL WIPERS DO NOT OPERATE .1984
FRONT WIPER DOES NOT OPERATE 1986
REAR WIPER DOES NOT OPERATE .1988
LEFT DOOR WIPER DOES NOT OPERATE 1990
RIGHT DOOR WIPER DOES NOT OPERATE .1994
FRONT WASHER DOES NOT OPERATE .1998
REAR WASHER DOES NOT OPERATE 2000
LEFT DOOR WASHER DOES NOT OPERATE .2002
RIGHT DOOR WASHER DOES NOT OPERATE 2004
KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 2006
CONTROL BOX DISPLAYS THE MESSAGE [Waiting for radio link .] 2007
CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites .] 2009
CONTROL BOX DISPLAYS THE MESSAGE [GPS receiver not connected !] and [Komatsu Machine Trouble] .2010
CONTROL BOX SHOWS THE MESSAGE [Komatsu Machine Trouble] .2011
CONTROL BOX DISPLAYS THE MESSAGE [Waiting to initialize .] .2012
CONTROL BOX DISPLAYS THE MESSAGE [System initializing] 2013
CONTROL BOX DISPLAYS THE MESSAGE [Initializing .] 2014
CONTROL BOX DISPLAYS THE MESSAGE [Connecting to GPS .] .2015
ELEVATION CONTROL KEY ON CONTROL BOX DISPLAYS THE MESSAGE [Low precisions .] .2016
CONTROL BOX DISPLAYS THE MESSAGE [Heading Initializing] .2017
CONTROL BOX DISPLAYS THE MESSAGE [Out of design area .] 2018
CONTROL BOX DISPLAYS THE MESSAGE [No GPS localization .] .2019
CONTROL BOX DISPLAYS THE MESSAGE [Loading Design Surface data .] .2020
CONTROL BOX DISPLAYS THE MESSAGE [Design Surface data invalid] 2021
CONTROL BOX DISPLAYS THE MESSAGE [Starting switch is OFF] .2022
CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites .] and [Komatsu Machine Trouble] 2024
CONTROL BOX CANNOT BE TURNED ON .2025
CONTROL BOX DOES NOT DISPLAY INTELLIGENT MACHINE CONTROL SCREEN .2027
CONTROL BOX DOES NOT DISPLAY BULLDOZER IMAGE 2028
CONTROL BOX DOES NOT DISPLAY DESIGN SURFACE .2029
CONTROL BOX TOUCH PANEL DOES NOT RESPOND 2030
CONTROL BOX TOUCH PANEL IS INACCURATE .2031
CYLINDER STROKE RESET INDICATION DOES NOT GO OUT 2032
AUTO OR STRIKETHROUGH IS NOT DISPLAYED WHEN AUTO/MANUAL SWITCH IS PRESSED (AUTO OR STRIKETHROUGH GOES OUT) 2033
WHEN CHECKING AND ADJUSTING THE BLADE ELEVATION, THE VALUE IS DIFFERENT FROM ACTUAL MACHINE .2035
BLADE AUTOMATIC LOWER CONTROL DOES NOT START WHILE AUTO IS DISPLAYED 2036
BLADE AUTOMATIC RAISE CONTROL DOES NOT START WHILE AUTO IS DISPLAYED 2037
BLADE AUTOMATIC CONTROL FUNCTION IS NOT ACTIVATED WHILE AUTO IS DISPLAYED (BLADE AUTOMATIC CONTROL STOPS) .2038
FINISHED SURFACE IS INACCURATE (THE AVERAGE HEIGHT OF FINISHED SURFACE IS LOWER THAN DESIGNED SURFACE OR BLADE DOES NOT TOUCH THE SURFACE) 2039
FINISHED SURFACE IS INACCURATE (THE FINISHED SURFACE IS NOT SMOOTH) .2040
FINISHED SURFACE IS INACCURATE (WHEN FINISHING SLOPE HORIZONTALLY, STEPS ARE MADE IN EACH DIRECTION) 2041
MACHINE CANNOT ESCAPE FROM SHOES SLIP WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED (SHOES FREQUENTLY SLIPS) .2043
MACHINE SPEED DOES NOT INCREASE WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED 2044
BLADE TILT ANGLE DOES NOT CORRESPOND WITH DESIGN SURFACE WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED .2045
BLADE TILTS WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED 2047
EVEN AFTER LIFT LAYER CONTROL IS ACTIVATED, MEASURED LIFT LAYER TERRAIN SHAPE DOES NOT CORRESPOND WITH THE ACTUAL TERRAIN .2049
THE SURFACE CREATED WITH QUICK SURFACE CREATION FUNCTION IS DIFFERENT FROM THE ONE IN MACHINE FRONT DIRECTION, BLADE EDGE POSITION 2051
MACHINE DOES NOT TRAVEL STRAIGHT WHILE TILT STEERING CONTROL IS ACTIVATED .2052
CONTROL BOX KEEPS DISPLAYING PROGRESS BAR IN MACHINE MANUAL CAL SCREEN 2053
ENGINE HUNTING OCCURS WHEN LOWERING THE BLADE WHILE GROUND LINE ASSIST IS ACTIVATED .2054
[LASER RECEIVER ERROR (RED)] ICON IS SHOWN ON CONTROL BOX (2D LASER MACHINE CONTROL) 2055
[SYSTEM ERROR (RED)] ICON IS SHOWN ON CONTROL BOX (2D LASER MACHINE CONTROL) 2059
[AUTO (GREEN)] IS NOT SHOWN ON CONTROL BOX (2D LASER MACHINE CONTROL) .2060
FINISHED SURFACE IS INACCURATE (2D LASER MACHINE CONTROL) .2061
GROUND SURFACE BECOMES ROUGH IN LEVELING WORK (2D LASER MACHINE CONTROL) 2062
CURRENT SLOPE VALUE ON CONTROL BOX IS DIFFERENT FROM ACTUAL VALUE (2D LASER MACHINE CONTROL) 2063
AUTOMATIC CONTROL CANNOT BE DONE IF YOU CHANGE APPLICATION (2D LASER MACHINE CONTROL) .2064
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .2065
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) .2065
FAILURE MODE AND CAUSE TABLE 2066
NEITHER R.H. NOR L.H. OF TRACKS CAN TRAVEL FORWARD OR REVERSE (NONE OF THE TRAVEL SYSTEMS OPERATE) 2072
EITHER R.H. OR L.H. OF TRACK CANNOT TRAVEL BOTH FORWARD AND REVERSE (ONE OF R.H. OR L.H. TRAVEL SYSTEMS CANNOT OPERATE) .2074
EITHER R.H. OR L.H. OF TRACK CANNOT TRAVEL ONE OF FORWARD OR REVERSE (ONLY ONE OF THE TRAVEL SYSTEMS CANNOT OPERATE IN ONE DIRECTION) .2076
TRAVEL SPEED OR POWER IS LOW 2078
SPEED RANGE DOES NOT CHANGE .2080
SHOCK IS LARGE WHEN MACHINE MOVES OFF OR STOPS 2081
MACHINE DEVIATES LARGELY 2082
MACHINE DRIFT ON A SLOPE IS LARGE .2085
ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 2087
UNUSUAL NOISE IS HEARD FROM AROUND HST PUMP OR MOTOR 2089
HST OIL TEMPERATURE (HYDRAULIC OIL TEMPERATURE) RISES TOO HIGH 2091
ALL WORK EQUIPMENT DO NOT OPERATE .2093
ALL WORK EQUIPMENTS SPEED OR POWER IS LOW .2095
BLADE LIFT SPEED OR POWER IS LOW 2096
BLADE TILT SPEED OR POWER IS LOW 2098
BLADE ANGLE SPEED OR POWER IS LOW .2099
TIME LAG OF BLADE LIFT IS LARGE .2100
HYDRAULIC DRIFT OF LIFTED BLADE IS LARGE 2101
HYDRAULIC DRIFT OF TILTED BLADE IS LARGE 2102
UNUSUAL NOISE IS HEARD FROM AROUND WORK EQUIPMENT AND COOLING FAN PUMP OR CONTROL VALVE .2103
FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) 2104
UNUSUAL NOISE IS HEARD FROM AROUND FAN 2106
TROUBLESHOOTING OF ENGINE (S-MODE) 2107
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) .2107
ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION 2108
ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 2109
FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START) 2110
ENGINE STARTABILITY IS POOR .2112
ENGINE DOES NOT PICK UP SMOOTHLY 2114
ENGINE STOPS DURING OPERATION .2116
ENGINE RUNS ROUGH OR IS UNSTABLE 2118
ENGINE LACKS POWER 2119
EXHAUST SMOKE IS BLACK 2121
ENGINE OIL CONSUMPTION IS EXCESSIVE .2123
OIL BECOMES CONTAMINATED QUICKLY 2124
FUEL CONSUMPTION IS EXCESSIVE .2125
OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) .2126
OIL PRESSURE DROPS 2127
FUEL MIXES INTO ENGINE OIL 2129
WATER MIXES INTO ENGINE OIL (MILKY) .2130
COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 2131
UNUSUAL NOISE IS HEARD 2132
VIBRATION IS EXCESSIVE 2133
AIR CANNOT BE BLED FROM FUEL CIRCUIT 2134
ACTIVE REGENERATION IS EXECUTED FREQUENTLY 2135
ACTIVE REGENERATION TAKES TIME 2136
WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION .2137
AdBlue/DEF CONSUMPTION IS EXCESSIVE .2138
THERE IS UNUSUAL SMELL (IRRITATING ODOR) 2140
FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES) .2141
50 DISASSEMBLY AND ASSEMBLY .2143
CONTENTS 2144
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY .2150
HOW TO READ THIS MANUAL .2150
COATING MATERIALS LIST 2152
SPECIAL TOOLS LIST 2156
SKETCHES OF SPECIAL TOOLS .2179
ENGINE AND COOLING SYSTEM .2192
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY .2192
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY 2192
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY 2202
REMOVE AND INSTALL INJECTOR ASSEMBLY 2212
METHOD FOR REMOVING INJECTOR ASSEMBLY .2212
METHOD FOR INSTALLING INJECTOR ASSEMBLY .2223
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY .2237
METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY 2237
METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY 2256
REMOVE AND INSTALL EGR VALVE ASSEMBLY .2280
METHOD FOR REMOVING EGR VALVE ASSEMBLY 2280
METHOD FOR INSTALLING EGR VALVE ASSEMBLY 2283
REMOVE AND INSTALL EGR COOLER ASSEMBLY 2287
METHOD FOR REMOVING EGR COOLER ASSEMBLY .2287
METHOD FOR INSTALLING EGR COOLER ASSEMBLY .2291
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY 2295
METHOD FOR REMOVING STARTING MOTOR ASSEMBLY .2295
METHOD FOR INSTALLING STARTING MOTOR ASSEMBLY .2297
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR BELT 2300
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR BELT .2300
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR BELT .2304
REMOVE AND INSTALL ALTERNATOR BELT 2309
METHOD FOR REMOVING ALTERNATOR BELT .2309
METHOD FOR INSTALLING ALTERNATOR BELT .2312
REMOVE AND INSTALL AUTOMATIC TENSIONER 2314
METHOD FOR REMOVING AUTOMATIC TENSIONER .2314
METHOD FOR INSTALLING AUTOMATIC TENSIONER .2315
REMOVE AND INSTALL RADIATOR ASSEMBLY 2317
METHOD FOR REMOVING RADIATOR ASSEMBLY .2318
METHOD FOR INSTALLING RADIATOR ASSEMBLY .2326
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 2334
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY .2335
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY .2340
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY .2345
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY 2346
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY 2352
REMOVE AND INSTALL COOLING FAN DRIVE ASSEMBLY .2359
METHOD FOR REMOVING COOLING FAN DRIVE ASSEMBLY 2359
METHOD FOR INSTALLING COOLING FAN DRIVE ASSEMBLY 2364
REMOVE AND INSTALL COOLING FAN MOTOR ASSEMBLY .2368
METHOD FOR REMOVING COOLING FAN MOTOR ASSEMBLY 2368
METHOD FOR INSTALLING COOLING FAN MOTOR ASSEMBLY 2371
REMOVE AND INSTALL ENGINE, HST PUMP ASSEMBLY 2374
METHOD FOR REMOVING ENGINE, HST PUMP ASSEMBLY .2374
METHOD FOR INSTALLING ENGINE, HST PUMP ASSEMBLY .2385
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 2397
METHOD FOR REMOVING ENGINE FRONT OIL SEAL .2397
METHOD FOR INSTALLING ENGINE FRONT OIL SEAL .2399
REMOVE AND INSTALL ENGINE REAR OIL SEAL .2402
METHOD FOR REMOVING ENGINE REAR OIL SEAL 2402
METHOD FOR INSTALLING ENGINE REAR OIL SEAL 2403
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY .2406
METHOD FOR REMOVING ENGINE HOOD ASSEMBLY 2406
METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY 2410
REMOVE AND INSTALL KDOC ASSEMBLY 2414
METHOD FOR REMOVING KDOC ASSEMBLY .2414
METHOD FOR INSTALLING KDOC ASSEMBLY .2420
REMOVE AND INSTALL KDOC AND SCR ASSEMBLY 2427
METHOD FOR REMOVING KDOC AND SCR ASSEMBLY .2428
METHOD FOR INSTALLING KDOC AND SCR ASSEMBLY .2434
REMOVE AND INSTALL BELLOWS PIPE ASSEMBLY 2442
METHOD FOR REMOVING BELLOWS PIPE ASSEMBLY .2442
METHOD FOR INSTALLING BELLOWS PIPE ASSEMBLY .2445
REMOVE AND INSTALL FUEL TANK ASSEMBLY .2449
METHOD FOR REMOVING FUEL TANK ASSEMBLY 2450
METHOD FOR INSTALLING FUEL TANK ASSEMBLY 2457
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY .2464
METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY 2465
METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY 2475
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY .2484
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2484
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2486
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR .2490
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR 2490
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR 2491
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER .2498
METHOD FOR REMOVING AdBlue/DEF TANK STRAINER 2498
METHOD FOR INSTALLING AdBlue/DEF TANK STRAINER 2499
REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER .2500
METHOD FOR REMOVING AdBlue/DEF TANK FILLER PORT FILTER 2500
METHOD FOR INSTALLING AdBlue/DEF TANK FILLER PORT FILTER 2501
REMOVE AND INSTALL SCR ASSEMBLY .2504
METHOD FOR REMOVING SCR ASSEMBLY 2504
METHOD FOR INSTALLING SCR ASSEMBLY 2507
REMOVE AND INSTALL KCCV ASSEMBLY 2510
METHOD FOR REMOVING KCCV ASSEMBLY .2510
METHOD FOR INSTALLING KCCV ASSEMBLY .2511
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE .2514
METHOD FOR REMOVING AdBlue/DEF MIXING TUBE 2514
METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE 2518
REMOVE AND INSTALL AdBlue/DEF INJECTOR 2523
METHOD FOR REMOVING AdBlue/DEF INJECTOR .2523
METHOD FOR INSTALLING AdBlue/DEF INJECTOR .2528
REMOVE AND INSTALL AdBlue/DEF PUMP 2533
METHOD FOR REMOVING AdBlue/DEF PUMP .2533
METHOD FOR INSTALLING AdBlue/DEF PUMP .2537
REMOVE AND INSTALL AdBlue/DEF HOSE 2541
METHOD FOR REMOVING AdBlue/DEF HOSE .2543
METHOD FOR INSTALLING AdBlue/DEF HOSE .2562
REMOVE AND INSTALL AIR CLEANER ASSEMBLY .2583
METHOD FOR REMOVING AIR CLEANER ASSEMBLY 2583
METHOD FOR INSTALLING AIR CLEANER ASSEMBLY 2585
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY 2588
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY .2588
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY .2592
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY .2597
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY 2597
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY 2601
POWER TRAIN .2605
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY .2605
METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY .2606
METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY 2610
UNDERCARRIAGE AND FRAME .2619
REMOVE AND INSTALL TRACK FRAME ASSEMBLY .2619
REMOVE TRACK FRAME ASSEMBLY .2619
INSTALL TRACK FRAME ASSEMBLY 2624
REMOVE AND INSTALL IDLER ASSEMBLY .2629
METHOD FOR REMOVING IDLER ASSEMBLY 2629
METHOD FOR INSTALLING IDLER ASSEMBLY 2631
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY .2634
METHOD FOR DISASSEMBLING IDLER ASSEMBLY .2634
METHOD FOR ASSEMBLING IDLER ASSEMBLY 2636
REMOVE AND INSTALL RECOIL SPRING ASSEMBLY .2641
METHOD FOR REMOVING RECOIL SPRING ASSEMBLY 2641
METHOD FOR INSTALLING RECOIL SPRING ASSEMBLY 2641
DISASSEMBLE AND ASSEMBLE RECOIL SPRING ASSEMBLY .2642
METHOD FOR DISASSEMBLING AND ASSEMBLING RECOIL SPRING ASSEMBLY 2642
METHOD FOR ASSEMBLING RECOIL SPRING ASSEMBLY 2645
REMOVE AND INSTALL TRACK ROLLER ASSEMBLY 2648
METHOD FOR REMOVING TRACK ROLLER ASSEMBLY .2648
METHOD FOR INSTALLING TRACK ROLLER ASSEMBLY .2650
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 2653
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY 2653
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY .2654
REMOVE AND INSTALL CARRIER ROLLER ASSEMBLY 2658
METHOD FOR REMOVING CARRIER ROLLER ASSEMBLY .2658
METHOD FOR INSTALLING CARRIER ROLLER ASSEMBLY .2659
DISASSEMBLE AND ASSEMBLE CARRIER ROLLER ASSEMBLY 2661
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY 2661
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY .2662
REMOVE AND INSTALL PIVOT SHAFT ASSEMBLY .2665
METHOD FOR REMOVING PIVOT SHAFT ASSEMBLY 2665
METHOD FOR INSTALLING PIVOT SHAFT ASSEMBLY 2666
SEPARATE AND CONNECT TRACK ASSEMBLY .2668
METHOD FOR CHECKING BEFORE SEPARATING TRACK ASSEMBLY 2668
METHOD FOR SEPARATING TRACK ASSEMBLY (NORMAL) .2669
METHOD FOR SEPARATING TRACK ASSEMBLY (WHEN TRACK FRAME HAS INTERNAL DEFECT) .2670
METHOD FOR CONNECTING TRACK ASSEMBLY 2671
SEPARATE AND CONNECT PLUS TYPE TRACK ASSEMBLY .2674
METHOD FOR SEPARATING PLUS TYPE TRACK ASSEMBLY 2674
METHOD FOR CONNECTING PLUS TYPE TRACK ASSEMBLY 2674
DISASSEMBLE AND ASSEMBLE TRACK ASSEMBLY GENERALLY .2676
METHOD FOR DISASSEMBLING TRACK ASSEMBLY GENERALLY .2676
METHOD FOR ASSEMBLING TRACK ASSEMBLY GENERALLY 2681
DISASSEMBLE AND ASSEMBLE PLUS TYPE TRACK ASSEMBLY GENERALLY .2694
METHOD FOR DISASSEMBLING PLUS TYPE TRACK ASSEMBLY GENERALLY .2695
METHOD FOR ASSEMBLING PLUS TYPE TRACK ASSEMBLY GENERALLY 2696
DISASSEMBLE AND ASSEMBLE ONE LINK OF TRACK SHOE ASSEMBLY ON THE FIELD .2705
METHOD FOR DISASSEMBLING ONE LINK OF TRACK SHOE ASSEMBLY ON THE FIELD .2706
METHOD FOR ASSEMBLING ONE LINK OF TRACK SHOE ASSEMBLY ON THE FIELD 2707
DISASSEMBLE AND ASSEMBLE ONE LINK OF PLUS TYPE TRACK SHOE ASSEMBLY ON THE FIELD .2714
METHOD FOR DISASSEMBLING ONE LINK OF PLUS TYPE TRACK SHOE ASSEMBLY ON THE FIELD .2715
METHOD FOR ASSEMBLING ONE LINK OF PLUS TYPE TRACK SHOE ASSEMBLY ON THE FIELD 2717
REMOVE AND INSTALL EQUALIZER BAR ASSEMBLY .2721
METHOD FOR REMOVING EQUALIZER BAR ASSEMBLY 2721
METHOD FOR INSTALLING EQUALIZER BAR ASSEMBLY 2723
REMOVE AND INSTALL EQUALIZER BAR SIDE BUSHINGS 2726
METHOD FOR REMOVING EQUALIZER BAR SIDE BUSHINGS .2726
METHOD FOR INSTALLING EQUALIZER BAR SIDE BUSHINGS .2727
REMOVE AND INSTALL SEGMENT TEETH 2728
METHOD FOR REMOVING SEGMENT TEETH .2728
METHOD FOR INSTALLING SEGMENT TEETH .2730
HYDRAULIC SYSTEM 2732
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 2732
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY .2733
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY .2739
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY .2748
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY 2748
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY 2752
WORK EQUIPMENT 0
REMOVE AND INSTALL BLADE ASSEMBLY(Serial No.: 15001 to 15600) . 0
METHOD FOR REMOVING BLADE ASSEMBLY(Serial No.: 15001 to 15600) 0
METHOD FOR INSTALLING BLADE ASSEMBLY(Serial No.: 15001 to 15600) 0
REMOVE AND INSTALL BLADE ASSEMBLY(Serial No.: 15601 and up) . 0
REMOVE BLADE ASSEMBLY(Serial No.: 15601 and up) . 0
INSTALL BLADE ASSEMBLY(Serial No.: 15601 and up) 0
REMOVE AND INSTALL STROKE AND RESET SENSING BLADE LIFT CYLINDER ASSEMBLY 2774
REMOVE STROKE AND RESET SENSING BLADE LIFT CYLINDER ASSEMBLY 2774
INSTALL STROKE AND RESET SENSING BLADE LIFT CYLINDER ASSEMBLY .2776
DISASSEMBLE AND ASSEMBLE STROKE AND RESET SENSING BLADE LIFT CYLINDER ASSEMBLY 2780
METHOD FOR DISASSEMBLING STROKE SENSING BLADE LIFT CYLINDER ASSEMBLY 2781
METHOD FOR ASSEMBLING STROKE SENSING BLADE LIFT CYLINDER ASSEMBLY .2785
REMOVE AND INSTALL STROKE SENSING BLADE TILT CYLINDER ASSEMBLY(Serial No.: 15001 to 15600) 0
METHOD FOR REMOVING STROKE SENSING BLADE TILT CYLINDER ASSEMBLY(Serial No.: 15001 to 15600) . 0
METHOD FOR INSTALLING STROKE SENSING BLADE TILT CYLINDER ASSEMBLY(Serial No.: 15001 to 15600) . 0
REMOVE AND INSTALL STROKE SENSING BLADE TILT CYLINDER ASSEMBLY(Serial No.: 15601 and up) 0
REMOVE STROKE SENSING BLADE TILT CYLINDER ASSEMBLY(Serial No.: 15601 and up) 0
INSTALL STROKE SENSING BLADE TILT CYLINDER ASSEMBLY(Serial No.: 15601 and up) . 0
DISASSEMBLE AND ASSEMBLE STROKE SENSING BLADE TILT CYLINDER ASSEMBLY 2809
METHOD FOR DISASSEMBLING STROKE SENSING BLADE TILT CYLINDER ASSEMBLY 2809
METHOD FOR ASSEMBLING STROKE SENSING BLADE TILT CYLINDER ASSEMBLY .2813
REMOVE AND INSTALL STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY .2818
REMOVE STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY .2818
INSTALL STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY 2821
DISASSEMBLE AND ASSEMBLE STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY .2824
METHOD FOR DISASSEMBLING STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY .2825
METHOD FOR ASSEMBLING STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY 2828
REMOVE AND INSTALL U-FRAME ASSEMBLY(Serial No.: 15001 to 15600) . 0
METHOD FOR REMOVING U-FRAME ASSEMBLY(Serial No.: 15001 to 15600) 0
METHOD FOR INSTALLING U-FRAME ASSEMBLY(Serial No.: 15001 to 15600) 0
REMOVE AND INSTALL U-FRAME ASSEMBLY(Serial No.: 15601 and up) . 0
REMOVE U-FRAME ASSEMBLY(Serial No.: 15601 and up) . 0
INSTALL U-FRAME ASSEMBLY(Serial No.: 15601 and up) 0
CAB AND ITS ATTACHMENTS .2846
REMOVE AND INSTALL OPERATOR CAB ASSEMBLY 2846
REMOVE OPERATOR CAB ASSEMBLY 2847
INSTALL OPERATOR CAB ASSEMBLY .2856
REMOVE AND INSTALL OPERATOR’S CAB GLASS (ADHERED GLASS) .2865
METHOD FOR REMOVING OPERATOR’S CAB GLASS (ADHERED GLASS) 2867
METHOD FOR INSTALLING OPERATOR’S CAB GLASS (ADHERED GLASS) 2867
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 2873
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY .2873
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY .2879
REMOVE AND INSTALL RECEIVER DRIER .2886
METHOD FOR REMOVING RECEIVER DRIER 2886
METHOD FOR INSTALLING RECEIVER DRIER 2887
REMOVE AND INSTALL OPERATOR’S SEAT 2890
METHOD FOR REMOVING OPERATOR’S SEAT .2890
METHOD FOR INSTALLING OPERATOR’S SEAT .2891
REMOVE AND INSTALL SEAT BELT 2892
METHOD FOR REMOVING SEAT BELT .2892
METHOD FOR INSTALLING SEAT BELT .2892
REMOVE AND INSTALL FOOT HEATER ASSEMBLY .2894
METHOD FOR REMOVING FOOT HEATER ASSEMBLY 2894
METHOD FOR INSTALLING FOOT HEATER ASSEMBLY 2896
DISASSEMBLE AND ASSEMBLE FOOT HEATER ASSEMBLY .2899
METHOD FOR DISASSEMBLING FOOT HEATER ASSEMBLY .2899
METHOD FOR ASSEMBLING FOOT HEATER ASSEMBLY 2900
ELECTRICAL SYSTEM .2901
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY .2901
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY 2901
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY 2904
REMOVE AND INSTALL HST CONTROLLER ASSEMBLY 2908
METHOD FOR REMOVING HST CONTROLLER ASSEMBLY .2908
METHOD FOR INSTALLING HST CONTROLLER ASSEMBLY .2909
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY .2910
REMOVE MACHINE MONITOR ASSEMBLY .2910
INSTALL MACHINE MONITOR ASSEMBLY 2911
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR .2913
METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR 2913
METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR 2915
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR .2917
METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR 2917
METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR 2919
REMOVE AND INSTALL GATEWAY FUNCTION CONTROLLER ASSEMBLY .2921
REMOVE GATEWAY FUNCTION CONTROLLER ASSEMBLY .2921
INSTALL GATEWAY FUNCTION CONTROLLER ASSEMBLY 2922
REMOVE AND INSTALL NAVIGATION CONTROLLER 2923
REMOVE NAVIGATION CONTROLLER 2924
INSTALL NAVIGATION CONTROLLER .2928
REMOVE AND INSTALL ICT SENSOR CONTROLLER ASSEMBLY .2933
METHOD FOR REMOVING ICT SENSOR CONTROLLER ASSEMBLY 2933
METHOD FOR INSTALLING ICT SENSOR CONTROLLER ASSEMBLY 2933
REMOVE AND INSTALL CONTROL BOX 2935
METHOD FOR REMOVING CONTROL BOX .2935
METHOD FOR INSTALLING CONTROL BOX .2936
REMOVE AND INSTALL GNSS RECEIVER 2937
REMOVE GNSS RECEIVER 2938
INSTALL GNSS RECEIVER .2938
REMOVE AND INSTALL GNSS ANTENNA .2940
REMOVE GNSS ANTENNA .2941
INSTALL GNSS ANTENNA 2945
REMOVE AND INSTALL IMU SENSOR .2950
REMOVE IMU SENSOR .2950
INSTALL IMU SENSOR 2952
REMOVE AND INSTALL COMMUNICATION TERMINAL .2954
REMOVE COMMUNICATION TERMINAL .2954
INSTALL COMMUNICATION TERMINAL 2957
REMOVE AND INSTALL COMMUNICATION ANTENNA 2960
REMOVE COMMUNICATION ANTENNA 2961
INSTALL COMMUNICATION ANTENNA .2963
60 MAINTENANCE STANDARD .2966
CONTENTS 0
ENGINE AND COOLING SYSTEM .2968
MAINTENANCE STANDARD OF ENGINE MOUNT 2968
MAINTENANCE STANDARD OF DAMPER (Serial No.: 15001 to 15600) . 0
MAINTENANCE STANDARD OF DAMPER (Serial No.: 15601 and up) . 0
MAINTENANCE STANDARD OF COOLING SYSTEM 2971
MAINTENANCE STANDARD OF COOLING FAN MOTOR .2973
MAINTENANCE STANDARD OF HYDRAULIC OIL COOLER BYPASS AND HST CHARGE SAFETY VALVE .2975
POWER TRAIN .2976
MAINTENANCE STANDARD OF HST PUMP 2976
MAINTENANCE STANDARD OF EPC VALVE OF HST PUMP .2978
MAINTENANCE STANDARD OF TOW RECEIVING VALVE OF HST PUMP .2979
MAINTENANCE STANDARD OF HST CHARGE PUMP .2980
MAINTENANCE STANDARD OF HST MOTOR .2982
MAINTENANCE STANDARD OF FINAL DRIVE .2984
MAINTENANCE STANDARD OF SPROCKET FOR PLUS TYPE TRACK SHOE .2986
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING FOR PLUS TYPE TRACK SHOE 2987
UNDERCARRIAGE AND FRAME .2988
MAINTENANCE STANDARD OF SUSPENSION 2988
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION .2991
MAINTENANCE STANDARD OF IDLER .2994
MAINTENANCE STANDARD OF TRACK ROLLER FOR PLUS TYPE TRACK SHOES (SINGLE FLANGE TYPE) .2996
MAINTENANCE STANDARD OF TRACK ROLLER FOR PLUS TYPE TRACK SHOES (DOUBLE FLANGE TYPE) .2997
MAINTENANCE STANDARD OF CARRIER ROLLER FOR PLUS TYPE TRACK SHOE .2999
MAINTENANCE STANDARD OF PLUS TYPE TRACK SHOE 3000
MAINTENANCE STANDARD OF SINGLE SHOE .3002
HYDRAULIC SYSTEM 3003
MAINTENANCE STANDARD OF HYDRAULIC TANK 3003
MAINTENANCE STANDARD OF WORK EQUIPMENT AND COOLING FAN PUMP .3004
MAINTENANCE STANDARD OF SERVO VALVE OF WORK EQUIPMENT AND COOLING FAN PUMP 3005
MAINTENANCE STANDARD OF CONTROL VALVE .3007
MAINTENANCE STANDARD OF RIPPER PPC VALVE 3013
MAINTENANCE STANDARD OF 5-PORT VALVE OF EPC AND SOLENOID 3015
MAINTENANCE STANDARD OF EPC VALVE .3016
MAINTENANCE STANDARD OF QUICK DROP VALVE 3017
WORK EQUIPMENT 0
MAINTENANCE STANDARD OF FRONT WORK EQUIPMENT(Serial No.: 15001 to 15600) 0
MAINTENANCE STANDARD OF FRONT WORK EQUIPMENT (Serial No.: 15601 and up) . 0
MAINTENANCE STANDARD OF CUTTING EDGE AND END BIT 3025
MAINTENANCE STANDARD OF BLADE LIFT CYLINDER .3026
MAINTENANCE STANDARD OF BLADE TILT CYLINDER .3027
MAINTENANCE STANDARD OF BLADE ANGLE CYLINDER 3028
MAINTENANCE STANDARD OF FIXED MULTI-SHANK RIPPER 3029
MAINTENANCE STANDARD OF RIPPER LIFT CYLINDER 3031
CAB AND ITS ATTACHMENTS .3032
MAINTENANCE STANDARD OF CAB MOUNT .3032
ELECTRICAL SYSTEM .3034
MAINTENANCE STANDARD OF ELECTRIC STEERING CONTROL LEVER .3034
80 APPENDIX .3036
CONTENTS 3037
AIR CONDITIONER SYSTEM 3038
PRECAUTIONS FOR REFRIGERANT .3038
AIR CONDITIONER COMPONENT .3039
SPECIFICATIONS OF AIR CONDITIONER .3042
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE .3043
OUTLINE OF REFRIGERATION CYCLE 3044
COMPONENT PARTS OF AIR CONDITIONER SYSTEM .3046
AIR CONDITIONER UNIT 3046
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT .3046
FUNCTION OF AIR CONDITIONER UNIT 3047
COMPONENT PARTS OF AIR CONDITIONER UNIT .3048
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT 3048
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT .3048
FUNCTION OF THERMISTOR AS AIR CONDITIONER UNIT COMPONENT 3048
STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT 3049
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT .3049
OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT .3049
FUNCTION OF DUAL PRESSURE SWITCH 3050
FUNCTION OF PRESSURE SWITCH .3050
COMPRESSOR 3051
STRUCTURE OF COMPRESSOR .3051
SPECIFICATIONS OF COMPRESSOR 3051
FUNCTION OF COMPRESSOR 3051
CONDENSER .3052
STRUCTURE OF CONDENSER 3052
SPECIFICATIONS OF CONDENSER .3052
FUNCTION OF CONDENSER .3053
RECEIVER DRIER 3054
STRUCTURE OF RECEIVER DRIER .3054
SPECIFICATIONS OF RECEIVER DRIER 3054
FUNCTION OF RECEIVER DRIER 3054
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER .3056
CIRCUIT DIAGRAM OF AIR CONDITIONER 3059
AIR CONDITIONER SYSTEM DIAGRAM 3060
CONTROL FUNCTION OF AIR CONDITIONER .3061
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS .3062
TEST RELAYS .3066
METHOD FOR TESTING RELAYS .3066
AIR CONDITIONER TROUBLESHOOTING CHART 1 .3068
AIR CONDITIONER TROUBLESHOOTING CHART 2 .3069
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 3072
TROUBLESHOOTING FOR CONDENSER FAN .3074
TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED) .3077
TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL) 3081
TROUBLESHOOTING FOR TEMPERATURE CONTROL FUNCTION 3084
TROUBLESHOOTING USING GAUGE PRESSURE 3088
CONNECTION OF SERVICE TOOL 3090
METHOD FOR CONNECTING SERVICE TOOL 3091
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS .3092
HANDLE COMPRESSOR OIL .3094
90 CIRCUIT DIAGRAMS .3096
CONTENTS 3097
HYDRAULIC CIRCUIT DIAGRAM .3098
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM .3098
HYDRAULIC CIRCUIT DIAGRAM .3102
ELECTRICAL CIRCUIT DIAGRAM 3104
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 3104
ELECTRICAL CIRCUIT DIAGRAM (1/16) .3108
ELECTRICAL CIRCUIT DIAGRAM (2/16) .3110
ELECTRICAL CIRCUIT DIAGRAM (3/16) .3112
ELECTRICAL CIRCUIT DIAGRAM (4/16) .3114
ELECTRICAL CIRCUIT DIAGRAM (5/16) .3116
ELECTRICAL CIRCUIT DIAGRAM (6/16) .3118
ELECTRICAL CIRCUIT DIAGRAM (7/16) .3120
ELECTRICAL CIRCUIT DIAGRAM (8/16) .3122
ELECTRICAL CIRCUIT DIAGRAM (9/16) .3124
ELECTRICAL CIRCUIT DIAGRAM (10/16) 3126
ELECTRICAL CIRCUIT DIAGRAM (11/16) 3128
ELECTRICAL CIRCUIT DIAGRAM (12/16) 3130
ELECTRICAL CIRCUIT DIAGRAM (13/16) 3132
ELECTRICAL CIRCUIT DIAGRAM (14/16) 3134
ELECTRICAL CIRCUIT DIAGRAM (15/16) 3136
ELECTRICAL CIRCUIT DIAGRAM (16/16) 3138
ELECTRICAL CIRCUIT DIAGRAM (2D LASER MACHINE CONTROL) .3140
INDEX 3142

DESCRIPTION:

Komatsu D51EXi-24,D51PXi-24 Bulldozer Shop Manual KEBM685005 – PDF DOWNLOAD

SERIAL NUMBERS

• D51EXi-B25001 and up
• D51PXi-B25001 and up

FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
• Some of the attachments and options described in this shop manual may not be available in some areas. If
they are required, consult your Komatsu distributor.
• The materials and specifications are subject to change without notice.
• Shop Manuals are available for “machine part” and “engine part”. For the engine unit, see the shop manual
for the machine which has the same engine model.
• Actual machine may differ from the images which are contained in this manual. A typical model is shown in
the illustrations of this shop manual.
Composition of the shop manual
This shop manual contains technical information necessary to perform services in workshops. It is divided into
the following chapters for the ease of use.
00 INDEX AND FOREWORD
This section describes the index, foreword, safety, and basic information.
01 SPECIFICATIONS
This section describes the specifications of the machine.
10 STRUCTURE AND FUNCTION
This section describes the structure and operation of each component with respect to each system. “STRUCTURE
AND FUNCTION” is helpful in not only understanding the structure of each component but performing
troubleshooting.
20 STANDARD VALUE TABLE
This section describes the standard values for new machine and failure criteria for testing and adjusting, and
troubleshooting. Use the standard values table to check the standard values for testing and adjusting, and judge
troubles in troubleshooting.
30 TESTING AND ADJUSTING
This section describes the measuring tools and measuring methods for testing and adjusting as well as the adjusting
method of each part. The standard values and repair limit for TESTING AND ADJUSTING are described
in “STANDARD VALUE TABLE”.
40 TROUBLESHOOTING
This section describes troubleshooting of failure part and its remedy method on the occurrence of the failure.
Descriptions of troubleshooting are sorted by failure mode.
50 DISASSEMBLY AND ASSEMBLY
This section describes the special tools, work procedures, and safety precautions necessary for removal, installation,
disassembly, and assembly of the components and parts. In addition, tightening torques, quantity, and
weight of the coating materials, lubricants, and coolant necessary to these works are shown.
60 MAINTENANCE STANDARD
This section describes the maintenance standard value of each component. The maintenance standard shows
the criteria and remedies for disassembly and assembly.
80 THE OTHER INFORMATION
This section describes the structure and function, testing and adjusting, and troubleshooting for all of the other
components or equipment which cannot be separately classified in the appendix.
90 Circuit diagrams
This section describes hydraulic circuit diagrams and electrical circuit diagrams

G.B 30/12/24