Komatsu WA270-8E0 Wheel Loader Shop Manual VENBM34000 PDF

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Komatsu WA270-8E0 Wheel Loader Shop Manual VENBM34000 – PDF DOWNLOAD

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Komatsu WA270-8E0 Wheel Loader Shop Manual VENBM34000 – PDF DOWNLOAD

Language : English
Pages : 3324
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu WA270-8E0 Wheel Loader Shop Manual VENBM34000 – PDF DOWNLOAD

• SERIAL NUMBERS H75551 and up

VENBM34000 WA270-8E0 1
00 INDEX AND FOREWORD 3
INDEX 4
ABBREVIATION LIST 23
FOREWORD, SAFETY, BASIC INFORMATION 29
HOW TO READ THE SHOP MANUAL 29
SAFETY NOTICE FOR OPERATION 31
PRECAUTIONS TO PREVENT FIRE 39
ACTIONS IF FIRE OCCURS . 41
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS . 42
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS 43
PRECAUTIONS FOR DEF 44
GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING . 44
PRECAUTIONS FOR ADDING . 44
PRECAUTIONS FOR STORING 44
PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE 44
THE OTHER PRECAUTIONS 44
STORE AdBlue/DEF . 45
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT . 46
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS 49
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT 56
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT . 58
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT . 59
PRACTICAL USE OF KOMTRAX . 60
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 61
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER 61
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER 62
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER 63
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS . 65
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 69
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 70
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 72
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 73
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE . 75
HOW TO READ ELECTRICAL WIRE CODE . 76
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 80
STANDARD TIGHTENING TORQUE TABLE . 83
CONVERSION TABLE . 90
01 SPECIFICATIONS 95
CONTENTS . 96
ABBREVIATION LIST 97
SPECIFICATIONS . 103
SPECIFICATION DRAWING 103
SPECIFICATION DRAWING: WA270-8E0 . 103
SPECIFICATIONS . 105
SPECIFICATIONS: WA270-8E0 105
WEIGHT TABLE . 110
WEIGHT TABLE: WA270-8E0 110
FUEL, COOLANT, LUBRICANTS (FOR EUROPEAN UNION) . 112
METHOD FOR USING FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE . 113
10 STRUCTURE AND FUNCTION 115
CONTENTS . 116
ABBREVIATION LIST 120
UREA SCR SYSTEM 126
LAYOUT DRAWING OF UREA SCR SYSTEM 126
UREA SCR SYSTEM DIAGRAM 128
FUNCTION OF UREA SCR SYSTEM 129
FUNCTION OF AdBlue/DEF SYSTEM 129
INDUCEMENT STRATEGY 132
COMPONENT PARTS OF UREA SCR SYSTEM . 146
AdBlue/DEF MIXING TUBE . 146
SCR ASSEMBLY . 147
AdBlue/DEF TANK 149
AdBlue/DEF PUMP 151
AdBlue/DEF INJECTOR 152
AdBlue/DEF HOSE 153
AdBlue/DEF TANK HEATING VALVE 154
BOOT-UP SYSTEM . 155
LAYOUT DRAWING OF BOOT-UP SYSTEM . 155
SYSTEM OPERATING LAMP SYSTEM . 157
SYSTEM OPERATING LAMP SYSTEM DIAGRAM . 157
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM . 157
BATTERY DISCONNECT SWITCH 158
FUNCTION OF BATTERY DISCONNECT SWITCH 158
PREHEATING SYSTEM 159
PREHEATING SYSTEM DIAGRAM 159
FUNCTION OF AUTOMATIC PREHEATING SYSTEM 159
OPERATION OF AUTOMATIC PREHEATING SYSTEM . 159
FUNCTION OF MANUAL PREHEATING SYSTEM . 160
OPERATION OF MANUAL PREHEATING SYSTEM 160
ENGINE SYSTEM 161
LAYOUT DRAWING OF ENGINE SYSTEM 161
FUNCTION OF ENGINE SYSTEM 162
ENGINE CONTROL SYSTEM 163
ENGINE CONTROL SYSTEM DIAGRAM 163
FUNCTION OF ENGINE CONTROL SYSTEM 165
OPERATION OF ENGINE CONTROL SYSTEM . 168
AUTOMATIC IDLE STOP SYSTEM . 170
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM . 170
COMPONENT PARTS OF ENGINE SYSTEM . 171
DAMPER . 171
VGT 172
EGR SYSTEM . 176
EGR VALVE 178
EGR COOLER . 180
KCCV SYSTEM 182
KCCV VENTILATOR 184
KDPF . 186
COOLING SYSTEM . 190
LAYOUT DRAWING OF COOLING SYSTEM . 190
SPECIFICATIONS OF COOLING SYSTEM . 191
COOLING FAN CONTROL SYSTEM . 192
COOLING FAN CONTROL SYSTEM DIAGRAM . 192
FUNCTION OF COOLING FAN CONTROL SYSTEM . 192
COMPONENT PARTS OF COOLING SYSTEM 197
COOLING FAN MOTOR 197
CONTROL SYSTEM . 210
LAYOUT DRAWING OF CONTROL SYSTEM . 210
MACHINE MONITOR SYSTEM . 212
MACHINE MONITOR SYSTEM DIAGRAM . 212
FUNCTION OF MACHINE MONITOR SYSTEM . 212
REARVIEW MONITOR SYSTEM 214
REARVIEW MONITOR SYSTEM DIAGRAM 214
FUNCTION OF REARVIEW MONITOR SYSTEM 214
KOMTRAX SYSTEM . 215
SYSTEM DIAGRAM OF KOMTRAX SYSTEM (MACHINE WITH GATEWAY FUNCTION CONTROLLER) 215
FUNCTION OF KOMTRAX SYSTEM (MACHINE WITH GATEWAY FUNCTION CONTROLLER) 215
COMPONENT PARTS OF CONTROL SYSTEM 216
MACHINE MONITOR 216
SWITCH PANEL . 233
REARVIEW MONITOR . 234
REARVIEW CAMERA 236
GATEWAY FUNCTION CONTROLLER 237
COMMUNICATION TERMINAL . 240
MONITOR CONTROLLER . 242
HST CONTROLLER . 247
CAN TERMINATING RESISTOR . 252
ENGINE CONTROLLER 253
ACCELERATOR PEDAL 260
HYDRAULIC SYSTEM . 262
LAYOUT DRAWING OF HYDRAULIC SYSTEM . 262
CLSS . 263
STRUCTURE OF CLSS 263
FUNCTION OF CLSS . 264
COMPONENT PARTS OF HYDRAULIC SYSTEM 266
HYDRAULIC TANK . 266
HYDRAULIC OIL FILTER . 269
STEERING AND WORK EQUIPMENT PUMP . 270
BRAKE AND COOLING FAN PUMP AND TRANSFER LUBRICATION PUMP . 283
CONTROL VALVE 284
POWER TRAIN SYSTEM . 314
LAYOUT DRAWING OF POWER TRAIN SYSTEM . 314
OPERATION OF POWER TRAIN SYSTEM 316
DIRECTIONAL SELECTOR SWITCH CONTROL FUNCTION . 317
HST CONTROL SYSTEM . 319
HST CONTROL SYSTEM DIAGRAM . 319
ENGINE OVERRUN PREVENTION FUNCTION . 320
NEUTRALIZER FUNCTION . 320
HST CHARGE SYSTEM 321
SYSTEM DIAGRAM OF HST CHARGE SYSTEM 321
FUNCTION OF HST CHARGE SYSTEM 321
HST PUMP CONTROL SYSTEM 322
SYSTEM DIAGRAM OF HST PUMP CONTROL SYSTEM 322
DIRECTIONAL SELECTION FUNCTION . 322
ABSORBING TORQUE CONTROL FUNCTION 323
INCHING CONTROL FUNCTION . 323
TRAVEL SPEED ADJUSTMENT FUNCTION (AT LOW SPEED) 323
HST CONTROLLER GEAR SHIFT CONTROL FUNCTION . 324
GEAR SHIFT FUNCTION 324
GEAR SHIFT DISPLAY FUNCTION 326
TRAVEL SPEED ADJUSTMENT FUNCTION . 326
TRANSFER CLUTCH CONTROL FUNCTION . 327
HST SYSTEM PROTECTION FUNCTION . 328
TRANSFER PROTECTION FUNCTION . 328
DIRECTION PROTECTION FUNCTION 328
HST MOTOR 1 OVERRUN PREVENTION FUNCTION 1 328
HST MOTOR 1 OVERRUN PREVENTION FUNCTION 2 329
TRAVEL SPEED LIMITATION FUNCTION . 330
MAXIMUM SPEED LOW FUEL CONSUMPTION CONTROL . 331
FUNCTION OF MAXIMUM SPEED LOW FUEL CONSUMPTION CONTROL . 331
KOMATSU TRACTION CONTROL SYSTEM (KTCS) . 334
KOMATSU TRACTION CONTROL SYSTEM (KTCS) DIAGRAM . 334
FUNCTION OF KOMATSU TRACTION CONTROL SYSTEM (KTCS) . 334
COMPONENT PARTS OF POWER TRAIN SYSTEM 339
DRIVE SHAFT 339
HST PUMP . 341
HST CHARGE PUMP 354
HST MOTOR 356
TRANSFER . 362
AXLE . 370
TORQUE PROPORTIONING DIFFERENTIAL 372
LIMITED SLIP DIFFERENTIAL 376
FINAL DRIVE 380
COMBINATION SWITCH . 382
WORK EQUIPMENT SYSTEM 386
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 386
WORK EQUIPMENT CONTROL SYSTEM 388
WORK EQUIPMENT LEVER OPERATION FUNCTION 388
PZ AUTO TILT-IN COMPENSATION CONTROL FUNCTION 388
WORK EQUIPMENT LOCK SYSTEM . 389
WORK EQUIPMENT LOCK SYSTEM DIAGRAM . 389
FUNCTION OF WORK EQUIPMENT LOCK SYSTEM . 389
BUCKET POSITIONER SYSTEM . 391
BUCKET POSITIONER SYSTEM DIAGRAM . 391
FUNCTION OF BUCKET POSITIONER SYSTEM . 391
OPERATION OF BUCKET POSITIONER SYSTEM 393
FORK POSITIONER SYSTEM . 395
FORK POSITIONER SYSTEM DIAGRAM . 395
FUNCTION OF FORK POSITIONER SYSTEM . 395
OPERATION OF FORK POSITIONER SYSTEM 396
REMOTE POSITIONER SYSTEM . 399
REMOTE BOOM POSITIONER SYSTEM DIAGRAM 399
FUNCTION OF REMOTE BOOM POSITIONER SYSTEM 399
ECSS . 402
ECSS DIAGRAM . 402
FUNCTION OF ECSS . 402
OPERATION OF ECSS 402
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM . 404
SELF-PRESSURE REDUCING VALVE . 404
WORK EQUIPMENT LOCK SOLENOID VALVE . 409
PILOT CIRCUIT ACCUMULATOR 410
ECSS CIRCUIT ACCUMULATOR . 411
MULTIFUNCTION MONO-LEVER . 412
MULTIFUNCTION MONO-LEVER PPC VALVE . 414
STEERING SYSTEM 419
LAYOUT DRAWING OF STEERING SYSTEM 419
STEERING COLUMN 420
STRUCTURE OF STEERING COLUMN . 420
COMPONENT PARTS OF STEERING SYSTEM . 421
PRIORITY VALVE . 421
ORBITROL VALVE . 424
CUSHION VALVE 429
2-WAY RESTRICTOR VALVE . 431
SECONDARY STEERING VALVE . 432
BRAKE SYSTEM . 435
LAYOUT DRAWING OF BRAKE SYSTEM . 435
PARKING BRAKE CONTROL SYSTEM . 437
PARKING BRAKE CONTROL SYSTEM DIAGRAM . 437
OPERATION OF PARKING BRAKE CONTROL SYSTEM 437
COMPONENT PARTS OF BRAKE SYSTEM 441
BRAKE CIRCUIT ACCUMULATOR CHARGE VALVE . 441
PARKING BRAKE SOLENOID VALVE . 445
BRAKE CIRCUIT ACCUMULATOR 447
BRAKE VALVE 449
SLACK ADJUSTER . 452
BRAKE 454
PARKING BRAKE 457
AUTO-GREASING SYSTEM . 459
LAYOUT DRAWING OF AUTO-GREASING SYSTEM . 459
SPECIFICATIONS OF AUTO-GREASING SYSTEM . 460
FUNCTION OF AUTO-GREASING SYSTEM . 461
COMPONENT PARTS OF AUTO-GREASING SYSTEM 462
AUTO-GREASING PUMP . 462
UNDERCARRIAGE AND FRAME 463
FRAME, AXLE MOUNT AND CENTER HINGE PIN . 463
STRUCTURE OF FRAME, AXLE MOUNT AND CENTER HINGE PIN 463
FUNCTION OF FRAME, AXLE MOUNT AND CENTER HINGE PIN . 464
TIRE . 466
FEATURES OF RADIAL TIRE WHEN COMPARED WITH BIAS TIRE . 466
STRUCTURE OF RADIAL TIRE . 466
FUNCTION OF RADIAL TIRE 467
STRUCTURE OF BIAS TIRE . 467
FUNCTION OF BIAS TIRE 467
WORK EQUIPMENT . 468
STRUCTURE OF WORK EQUIPMENT 468
STRUCTURE OF BUCKET 469
CAB AND ITS ATTACHMENTS 470
ROPS CAB . 470
STRUCTURE OF ROPS CAB 470
FUNCTION OF ROPS CAB . 471
CAB MOUNT 472
STRUCTURE OF CAB MOUNT . 472
FUNCTION OF CAB MOUNT 472
20 STANDARD VALUE TABLE 473
CONTENTS . 474
ABBREVIATION LIST 475
STANDARD VALUE TABLE FOR ENGINE 481
STANDARD VALUE TABLE FOR ENGINE: WA270-8E0 . 481
STANDARD VALUE TABLE FOR MACHINE . 486
STANDARD VALUE TABLE FOR MACHINE: WA270-8E0 486
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE 500
30 TESTING AND ADJUSTING . 503
CONTENTS . 504
ABBREVIATION LIST 508
RELATED INFORMATION ON TESTING AND ADJUSTING . 514
TOOLS FOR TESTING AND ADJUSTING 514
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 523
ENGINE AND COOLING SYSTEM 524
TEST ENGINE SPEED 524
METHOD FOR TESTING ENGINE SPEED 524
TEST BOOST PRESSURE 527
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR . 527
METHOD FOR TESTING BOOST PRESSURE BY TESTING TOOL 528
TESTING EXHAUST GAS TEMPERATURE 530
METHOD FOR TESTING EXHAUST GAS TEMPERATURE . 530
TEST EXHAUST GAS COLOR . 532
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER 532
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER 534
TEST AND ADJUST VALVE CLEARANCE 536
METHOD FOR TESTING VALVE CLEARANCE . 536
METHOD FOR ADJUSTING VALVE CLEARANCE . 537
TEST COMPRESSION PRESSURE 538
METHOD FOR TESTING COMPRESSION PRESSURE 538
TEST BLOWBY PRESSURE . 543
METHOD FOR TESTING BLOWBY PRESSURE . 543
TEST ENGINE OIL PRESSURE . 546
METHOD FOR TESTING ENGINE OIL PRESSURE . 546
TEST EGR VALVE AND VGT OIL PRESSURE 548
METHOD FOR TESTING EGR VALVE AND VGT OIL PRESSURE 548
TEST FUEL PRESSURE . 550
METHOD FOR TESTING FUEL PRESSURE . 551
TEST FUEL DISCHARGE, RETURN AND LEAKAGE 556
METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE 557
BLEED AIR FROM FUEL SYSTEM . 563
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM . 563
TEST FUEL CIRCUIT FOR LEAKAGE 565
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE 565
HANDLE CYLINDER CUT-OUT MODE OPERATION . 567
HANDLE NO-INJECTION CRANKING OPERATION . 568
TEST KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE 569
METHOD FOR TESTING KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE 569
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS . 570
METHOD FOR TESTING INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS . 570
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS 571
METHOD FOR TESTING ENGINE PIPING FOR DAMAGE AND LOOSENESS 571
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION 572
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT 572
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT . 572
TEST ALTERNATOR BELT . 574
METHOD FOR TESTING ALTERNATOR BELT . 574
TEST AUTOMATIC TENSIONER . 576
METHOD FOR TESTING AUTOMATIC TENSIONER . 576
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER . 579
METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER 579
TEST SCR RELATED FUNCTIONS . 580
TEST AdBlue/DEF PUMP RAISED PRESSURE . 584
TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR . 587
TEST AdBlue/DEF LINE HEATER RELAY 1 593
TEST AdBlue/DEF LINE HEATER RELAY 2 597
TEST AdBlue/DEF PUMP HEATER RELAY 601
TEST AdBlue/DEF TANK HEATER VALVE 605
TEST SCR NOx REMOVAL EFFICIENCY 609
CLEAN AdBlue/DEF TANK 613
METHOD FOR CLEANING AdBlue/DEF TANK 613
POWER TRAIN 617
TEST AND ADJUST HST OIL PRESSURE . 617
METHOD FOR TESTING HST OIL PRESSURE 617
METHOD FOR ADJUSTING HST OIL PRESSURE 619
TEST THE CONTROL PRESSURE OF TRANSFER CLUTCH . 621
METHOD FOR TESTING THE CONTROL PRESSURE OF TRANSFER CLUTCH . 621
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE . 623
METHOD FOR TESTING DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE . 623
STEERING SYSTEM 624
TEST STEERING WHEEL 624
METHOD FOR TESTING STEERING WHEEL 624
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE 626
METHOD FOR TESTING STEERING CIRCUIT OIL PRESSURE ON MACHINE MONITOR 626
METHOD FOR TESTING STEERING CIRCUIT OIL PRESSURE BY TESTING TOOL . 627
METHOD FOR ADJUSTING STEERING CIRCUIT OIL PRESSURE . 627
BLEED AIR FROM STEERING CYLINDER CIRCUIT . 629
METHOD FOR BLEEDING AIR FROM STEERING CYLINDER CIRCUIT . 629
BRAKE SYSTEM . 630
RELEASE REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT 630
METHOD FOR RELEASING REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT . 630
TEST WHEEL BRAKE OIL PRESSURE 631
METHOD FOR TESTING WHEEL BRAKE OIL PRESSURE 631
TEST AND ADJUST BRAKE ACCUMULATOR CHARGE PRESSURE 633
METHOD FOR TESTING BRAKE ACCUMULATOR CHARGE PRESSURE . 633
METHOD FOR ADJUSTING BRAKE ACCUMULATOR CHARGE PRESSURE . 634
BLEED AIR FROM BRAKE CIRCUIT . 635
METHOD FOR BLEEDING AIR FROM BRAKE CIRCUIT . 635
TEST BRAKING PERFORMANCE . 636
METHOD FOR TESTING BRAKING PERFORMANCE . 636
TEST BRAKE PEDAL . 637
METHOD FOR TESTING BRAKE PEDAL . 637
TEST LOWERING OF WHEEL BRAKE PRESSURE 638
METHOD FOR TESTING LOWERING OF WHEEL BRAKE PRESSURE 639
TEST WEAR OF WHEEL BRAKE DISC 641
METHOD FOR TESTING WEAR OF WHEEL BRAKE DISC 641
TEST PARKING BRAKE OIL PRESSURE 643
METHOD FOR TESTING PARKING BRAKE OIL PRESSURE 643
TEST PARKING BRAKE PERFORMANCE . 645
METHOD FOR TESTING PARKING BRAKE PERFORMANCE . 645
RELEASE PARKING BRAKE MANUALLY . 646
METHOD FOR RELEASING PARKING BRAKE MANUALLY 646
TEST WEAR AMOUNT OF PARKING BRAKE DISC . 647
METHOD FOR TESTING WEAR AMOUNT OF PARKING BRAKE DISC . 647
HYDRAULIC SYSTEM . 648
RELEASE REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT . 648
METHOD FOR RELEASING REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT 648
TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE 650
METHOD FOR TESTING WORK EQUIPMENT OIL PRESSURE . 650
METHOD FOR ADJUSTING WORK EQUIPMENT OIL PRESSURE . 654
TEST AND ADJUST WORK EQUIPMENT PPC OIL PRESSURE 656
METHOD FOR TESTING WORK EQUIPMENT PPC OIL PRESSURE . 656
METHOD FOR ADJUSTING WORK EQUIPMENT PPC OIL PRESSURE . 659
BLEED AIR FROM WORK EQUIPMENT CIRCUIT 660
METHOD FOR BLEEDING REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT . 660
TEST COOLING FAN SPEED . 662
METHOD FOR TESTING COOLING FAN SPEED . 662
TEST COOLING FAN CIRCUIT OIL PRESSURE 663
METHOD FOR TESTING COOLING FAN CIRCUIT OIL PRESSURE 663
BLEED AIR FROM COOLING FAN CIRCUIT . 666
METHOD FOR BLEEDING AIR FROM COOLING FAN CIRCUIT . 666
TEST ECSS ACCUMULATOR NITROGEN GAS PRESSURE AND CHARGE ACCUMULATOR WITH NITROGEN GAS . 668
METHOD FOR TESTING ECSS ACCUMULATOR NITROGEN GAS PRESSURE 668
METHOD FOR CHARGING ECSS ACCUMULATOR WITH NITROGEN GAS . 670
WORK EQUIPMENT . 674
TEST AND ADJUST BUCKET POSITIONER 674
METHOD FOR TESTING BUCKET POSITIONER . 674
METHOD FOR ADJUSTING BUCKET POSITIONER . 674
TEST AND ADJUST BOOM POTENTIOMETER LEVER . 676
METHOD FOR TESTING BOOM POTENTIOMETER LEVER 676
METHOD FOR ADJUSTING BOOM POTENTIOMETER LEVER 676
CAB AND ITS ATTACHMENTS 677
TEST DIRECTIONAL LEVER . 677
METHOD FOR TESTING DIRECTIONAL LEVER . 677
TEST MULTIFUNCTION MONO-LEVER 678
METHOD FOR TESTING MULTIFUNCTION MONO-LEVER 678
TEST ACCELERATOR PEDAL . 680
METHOD FOR TESTING ACCELERATOR PEDAL . 680
ADJUST RATTLING OPERATOR’S SEAT 682
METHOD FOR ADJUSTING RATTLING OPERATOR’S SEAT 682
ELECTRICAL SYSTEM 683
SET AND ADJUST EACH EQUIPMENT 683
SET AND OPERATE MACHINE MONITOR 687
OPERATOR MODE 691
DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN 691
FUNCTION TO SHOW OPERATOR IDENTIFICATION INPUT SCREEN 691
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) 692
CHECKING FUNCTION OF SERVICE METER AND ODOMETER 693
METHOD FOR SETTING USAGE LIMITATION AND CHANGING MAINTENANCE PASSWORD 693
SERVICE MODE . 697
METHOD FOR OPERATING SERVICE MODE 697
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION . 700
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION . 707
ABNORMALITY RECORD MENU 719
METHOD FOR CONFIRMING MAINTENANCE RECORD . 724
METHOD FOR OPERATING MAINTENANCE MODE SETTING 726
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING 731
DEFAULT MENU . 733
DIAGNOSTIC TESTS MENU 748
ADJUSTMENT MENU 760
METHOD FOR PERFORMING NO-INJECTION CRANKING 794
KOMTRAX SETTINGS MENU 796
METHOD FOR DISPLAYING SERVICE MESSAGE 798
START UP KOMTRAX SYSTEM 800
ADJUST REARVIEW CAMERA ANGLE . 806
METHOD FOR ADJUSTING REAR VIEW CAMERA ANGLE 806
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER 808
HANDLE BATTERY DISCONNECT SWITCH . 809
TEST DIODES 810
METHOD FOR TESTING DIODE USING DIGITAL TESTER 810
METHOD FOR TESTING DIODE USING ANALOG TESTER . 810
AUTO-GREASING DEVICE . 811
BLEED THE AIR OF AUTO-GREASING SYSTEM 811
METHOD FOR BLEEDING THE AIR OF AUTO-GREASING SYSTEM 811
CHANGING OF LUBRICATION TIME AND LUBRICATION INTERVAL TIMES 814
METHOD FOR CHANGING THE LUBRICATION TIME AND LUBRICATION INTERVAL TIMES 815
Pm CLINIC 817
Pm CLINIC SERVICE 817
Pm CLINIC CHECK SHEET: WA270-8E0 . 819
40 TROUBLESHOOTING . 829
CONTENTS . 830
ABBREVIATION LIST 842
RELATED INFORMATION ON TROUBLESHOOTING . 848
GENERAL TROUBLESHOOTING POINTS . 848
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM . 849
SEQUENCE OF EVENTS IN TROUBLESHOOTING 861
CHECKS BEFORE TROUBLESHOOTING 863
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 865
WALK-AROUND CHECK 865
TESTING IN ACCORDANCE WITH TESTING PROCEDURE . 867
CHECK FUEL LEVEL AND TYPE 867
FUEL – CHECK FOR FOREIGN MATERIAL 867
CHECK AdBule/DEF LEVEL AND TYPE 868
CHECK FUEL PREFILTER . 868
CHECK MAIN FILTER 870
OIL PAN – CHECK ENGINE OIL LEVEL AND TYPE 871
CHECK COOLANT LEVEL (RESERVOIR TANK) . 872
CHECK CLOGGING OF AIR CLEANER 873
OUTER ELEMENT – CLEAN 873
REPLACE ELEMENT 875
CHECK HYDRAULIC OIL LEVEL 877
CHECK HYDRAULIC OIL STRAINER . 877
CHECK HYDRAULIC FILTER . 880
CHECK THE OIL LEVEL IN THE TRANSFER CASE . 880
CHECK OIL LEVEL IN FRONT AXLE CASE . 882
CHECK OIL LEVEL IN REAR AXLE CASE 883
BLEED AIR FROM FUEL SYSTEM . 883
BLEED AIR FROM HYDRAULIC SYSTEM 883
METHOD FOR CHECKING ELECTRIC EQUIPMENTmethod . 884
PREPARATION TO TROUBLESHOOT ELECTRICAL SYSTEM 889
PROCEDURE FOR TESTING AND TROUBLESHOOTING 897
SYMPTOM AND TROUBLESHOOTING NUMBERS 899
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE . 903
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM 905
CONNECTOR LIST AND LAYOUT 908
CONNECTOR CONTACT IDENTIFICATION . 925
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 965
FUSE LOCATION TABLE 971
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC) 974
PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR . 978
PROCEDURES FOR CREATING HARNESS CHECKER ON MACHINE MONITOR LCD UNIT 980
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] AND [CA3135]) 986
FAILURE CODES TABLE 988
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 1007
FAILURE CODE [2F00MA] 1007
FAILURE CODE [2F00MB] 1010
FAILURE CODE [2G42ZG] 1012
FAILURE CODE [2G43ZG] 1014
FAILURE CODE [6091NX] 1016
FAILURE CODE [7RHYKA] 1018
FAILURE CODE [7RHYKB] 1020
FAILURE CODE [7RHYKY] 1022
FAILURE CODE [879AKA] 1024
FAILURE CODE [879AKB] 1026
FAILURE CODE [879BKA] 1028
FAILURE CODE [879BKB] 1030
FAILURE CODE [879CKA] 1032
FAILURE CODE [879CKB] 1034
FAILURE CODE [879DKZ] 1036
FAILURE CODE [879EMC] 1038
FAILURE CODE [879FMC] 1039
FAILURE CODE [989FN1] 1040
FAILURE CODE [989L00] 1041
FAILURE CODE [989M00] 1042
FAILURE CODE [989N00] 1043
FAILURE CODE [A1U0N3] 1044
FAILURE CODE [A1U0N4] 1046
FAILURE CODE [AB00KE] 1048
FAILURE CODE [AB00KY] 1050
FAILURE CODE [AQ10N3] 1052
FAILURE CODE [AS00N3] 1054
FAILURE CODE [AS00R2] 1056
FAILURE CODE [AS00R3] 1057
FAILURE CODE [AS00R4] 1058
FAILURE CODE [AS00R5] 1059
FAILURE CODE [AS00R6] 1060
FAILURE CODE [AS00ZK] 1061
FAILURE CODE [AS10KM] 1062
FAILURE CODE [AS10NR] 1063
FAILURE CODE [AS10NT] 1064
FAILURE CODE [B@BAZG] 1065
FAILURE CODE [B@BCNS] 1066
FAILURE CODE [B@BCZK] 1067
FAILURE CODE [B@C6NS] 1069
FAILURE CODE [B@CRNS] 1071
FAILURE CODE [CA115] .1072
FAILURE CODE [CA122] .1073
FAILURE CODE [CA123] .1075
FAILURE CODE [CA131] .1077
FAILURE CODE [CA132] .1079
FAILURE CODE [CA144] .1082
FAILURE CODE [CA145] .1084
FAILURE CODE [CA153] .1086
FAILURE CODE [CA154] .1089
FAILURE CODE [CA187] .1091
FAILURE CODE [CA221] .1093
FAILURE CODE [CA222] .1095
FAILURE CODE [CA227] .1097
FAILURE CODE [CA234] .1098
FAILURE CODE [CA238] .1099
FAILURE CODE [CA239] .1101
FAILURE CODE [CA249] .1103
FAILURE CODE [CA256] .1105
FAILURE CODE [CA271] .1107
FAILURE CODE [CA272] .1109
FAILURE CODE [CA322] .1111
FAILURE CODE [CA323] .1113
FAILURE CODE [CA324] .1115
FAILURE CODE [CA325] .1117
FAILURE CODE [CA331] .1119
FAILURE CODE [CA332] .1121
FAILURE CODE [CA343] .1123
FAILURE CODE [CA351] .1124
FAILURE CODE [CA352] .1125
FAILURE CODE [CA356] .1128
FAILURE CODE [CA357] .1130
FAILURE CODE [CA386] .1133
FAILURE CODE [CA428] .1134
FAILURE CODE [CA429] .1136
FAILURE CODE [CA431] .1138
FAILURE CODE [CA432] .1141
FAILURE CODE [CA435] .1145
FAILURE CODE [CA441] .1147
FAILURE CODE [CA442] .1149
FAILURE CODE [CA449] .1150
FAILURE CODE [CA451] .1151
FAILURE CODE [CA452] .1153
FAILURE CODE [CA488] .1155
FAILURE CODE [CA515] .1156
FAILURE CODE [CA516] .1158
FAILURE CODE [CA553] .1160
FAILURE CODE [CA555] .1161
FAILURE CODE [CA556] .1162
FAILURE CODE [CA559] .1163
FAILURE CODE [CA595] .1166
FAILURE CODE [CA687] .1167
FAILURE CODE [CA689] .1169
FAILURE CODE [CA691] .1172
FAILURE CODE [CA692] .1174
FAILURE CODE [CA697] .1176
FAILURE CODE [CA698] .1177
FAILURE CODE [CA731] .1178
FAILURE CODE [CA778] .1180
FAILURE CODE [CA1117] 1185
FAILURE CODE [CA1664] 1186
FAILURE CODE [CA1669] 1188
FAILURE CODE [CA1673] 1189
FAILURE CODE [CA1677] 1190
FAILURE CODE [CA1678] 1191
FAILURE CODE [CA1682] 1192
FAILURE CODE [CA1683] 1196
FAILURE CODE [CA1684] 1198
FAILURE CODE [CA1686] 1200
FAILURE CODE [CA1691] 1201
FAILURE CODE [CA1694] 1204
FAILURE CODE [CA1695] 1207
FAILURE CODE [CA1696] 1208
FAILURE CODE [CA1712] 1210
FAILURE CODE [CA1713] 1213
FAILURE CODE [CA1714] 1215
FAILURE CODE [CA1715] 1216
FAILURE CODE [CA1776] 1217
FAILURE CODE [CA1777] 1220
FAILURE CODE [CA1843] 1223
FAILURE CODE [CA1844] 1225
FAILURE CODE [CA1879] 1228
FAILURE CODE [CA1881] 1231
FAILURE CODE [CA1883] 1233
FAILURE CODE [CA1885] 1237
FAILURE CODE [CA1887] 1239
FAILURE CODE [CA1921] 1241
FAILURE CODE [CA1922] 1244
FAILURE CODE [CA1942] 1249
FAILURE CODE [CA1993] 1250
FAILURE CODE [CA2185] 1253
FAILURE CODE [CA2186] 1255
FAILURE CODE [CA2249] 1257
FAILURE CODE [CA2271] 1258
FAILURE CODE [CA2272] 1261
FAILURE CODE [CA2288] 1264
FAILURE CODE [CA2311] 1265
FAILURE CODE [CA2349] 1266
FAILURE CODE [CA2353] 1269
FAILURE CODE [CA2357] 1271
FAILURE CODE [CA2381] 1272
FAILURE CODE [CA2382] 1275
FAILURE CODE [CA2383] 1278
FAILURE CODE [CA2386] 1281
FAILURE CODE [CA2387] 1283
FAILURE CODE [CA2555] 1284
FAILURE CODE [CA2556] 1287
FAILURE CODE [CA2637] 1289
FAILURE CODE [CA2639] 1291
FAILURE CODE [CA2771] 1294
FAILURE CODE [CA2777] 1300
FAILURE CODE [CA2976] 1303
FAILURE CODE [CA3133] 1305
FAILURE CODE [CA3134] 1308
FAILURE CODE [CA3135] 1310
FAILURE CODE [CA3142] 1314
FAILURE CODE [CA3143] 1315
FAILURE CODE [CA3144] 1316
FAILURE CODE [CA3146] 1319
FAILURE CODE [CA3147] 1320
FAILURE CODE [CA3148] 1321
FAILURE CODE [CA3151] 1323
FAILURE CODE [CA3165] 1329
FAILURE CODE [CA3229] 1331
FAILURE CODE [CA3231] 1333
FAILURE CODE [CA3232] 1335
FAILURE CODE [CA3235] 1339
FAILURE CODE [CA3239] 1341
FAILURE CODE [CA3241] 1344
FAILURE CODE [CA3242] 1347
FAILURE CODE [CA3251] 1350
FAILURE CODE [CA3253] 1352
FAILURE CODE [CA3254] 1355
FAILURE CODE [CA3255] 1358
FAILURE CODE [CA3256] 1362
FAILURE CODE [CA3311] 1364
FAILURE CODE [CA3312] 1366
FAILURE CODE [CA3313] 1369
FAILURE CODE [CA3314] 1370
FAILURE CODE [CA3315] 1371
FAILURE CODE [CA3316] 1374
FAILURE CODE [CA3317] 1375
FAILURE CODE [CA3318] 1376
FAILURE CODE [CA3319] 1379
FAILURE CODE [CA3321] 1380
FAILURE CODE [CA3322] 1382
FAILURE CODE [CA3419] 1385
FAILURE CODE [CA3421] 1387
FAILURE CODE [CA3497] 1389
FAILURE CODE [CA3498] 1390
FAILURE CODE [CA3543] 1391
FAILURE CODE [CA3545] 1398
FAILURE CODE [CA3547] 1400
FAILURE CODE [CA3558] 1401
FAILURE CODE [CA3559] 1403
FAILURE CODE [CA3562] 1405
FAILURE CODE [CA3563] 1407
FAILURE CODE [CA3567] 1410
FAILURE CODE [CA3568] 1413
FAILURE CODE [CA3571] 1419
FAILURE CODE [CA3572] 1421
FAILURE CODE [CA3574] 1423
FAILURE CODE [CA3575] 1425
FAILURE CODE [CA3577] 1427
FAILURE CODE [CA3578] 1429
FAILURE CODE [CA3582] 1431
FAILURE CODE [CA3583] 1439
FAILURE CODE [CA3596] 1441
FAILURE CODE [CA3649] 1444
FAILURE CODE [CA3681] 1446
FAILURE CODE [CA3682] 1451
FAILURE CODE [CA3713] 1457
FAILURE CODE [CA3717] 1460
FAILURE CODE [CA3718] 1461
FAILURE CODE [CA3725] 1462
FAILURE CODE [CA3741] 1465
FAILURE CODE [CA3748] 1466
FAILURE CODE [CA3751] 1469
FAILURE CODE [CA3755] 1471
FAILURE CODE [CA3866] 1473
FAILURE CODE [CA3867] 1477
FAILURE CODE [CA3868] 1480
FAILURE CODE [CA3899] 1484
FAILURE CODE [CA3911] 1486
FAILURE CODE [CA3912] 1490
FAILURE CODE [CA3932] 1492
FAILURE CODE [CA3933] 1494
FAILURE CODE [CA3934] 1496
FAILURE CODE [CA3935] 1499
FAILURE CODE [CA3936] 1501
FAILURE CODE [CA4151] 1503
FAILURE CODE [CA4152] 1507
FAILURE CODE [CA4155] 1511
FAILURE CODE [CA4156] 1513
FAILURE CODE [CA4157] 1516
FAILURE CODE [CA4158] 1518
FAILURE CODE [CA4159] 1519
FAILURE CODE [CA4161] 1520
FAILURE CODE [CA4162] 1523
FAILURE CODE [CA4163] 1526
FAILURE CODE [CA4164] 1528
FAILURE CODE [CA4165] 1530
FAILURE CODE [CA4166] 1532
FAILURE CODE [CA4168] 1534
FAILURE CODE [CA4169] 1537
FAILURE CODE [CA4171] 1539
FAILURE CODE [CA4249] 1542
FAILURE CODE [CA4251] 1544
FAILURE CODE [CA4259] 1546
FAILURE CODE [CA4261] 1549
FAILURE CODE [CA4277] 1552
FAILURE CODE [CA4281] 1556
FAILURE CODE [CA4459] 1559
FAILURE CODE [CA4461] 1562
FAILURE CODE [CA4658] 1565
FAILURE CODE [CA4731] 1569
FAILURE CODE [CA4732] 1570
FAILURE CODE [CA4739] 1571
FAILURE CODE [CA4768] 1572
FAILURE CODE [CA4769] 1574
FAILURE CODE [CA4842] 1577
FAILURE CODE [CA4952] 1581
FAILURE CODE [CA5115] 1583
FAILURE CODE [CA5179] 1586
FAILURE CODE [CA5181] 1588
FAILURE CODE [CA5383] 1590
FAILURE CODE [D110L4] 1592
FAILURE CODE [D160KA] 1594
FAILURE CODE [D160KY] 1596
FAILURE CODE [D191KA] 1597
FAILURE CODE [D191KB] 1599
FAILURE CODE [D191KY] 1601
FAILURE CODE [D192KA] 1602
FAILURE CODE [D192KB] 1603
FAILURE CODE [D192KY] 1604
FAILURE CODE [D19JKZ] 1605
FAILURE CODE [D1B0KA] 1607
FAILURE CODE [D1B0KB] 1609
FAILURE CODE [D1B0KY] 1611
FAILURE CODE [D1B0MC] 1613
FAILURE CODE [D1E6KA] 1615
FAILURE CODE [D1E6KB] 1617
FAILURE CODE [D1E6KY] 1619
FAILURE CODE [D5ZHKA] 1621
FAILURE CODE [D5ZHKB] 1623
FAILURE CODE [D5ZHL6] 1625
FAILURE CODE [D811MC] 1626
FAILURE CODE [D862KA] 1627
FAILURE CODE [D8ALKA] 1628
FAILURE CODE [D8ALKB] 1630
FAILURE CODE [D8AQK4] 1632
FAILURE CODE [D8AQKR] 1636
FAILURE CODE [D8G1KT] 1640
FAILURE CODE [D8G6KT] 1641
FAILURE CODE [DAF0KT] 1642
FAILURE CODE [DAF0MB] 1643
FAILURE CODE [DAF0MC] 1644
FAILURE CODE [DAF3KK] 1645
FAILURE CODE [DAF8KB] 1647
FAILURE CODE [DAFDKB] 1648
FAILURE CODE [DAFGMC] 1650
FAILURE CODE [DAFLKA] 1651
FAILURE CODE [DAFLKB] 1653
FAILURE CODE [DAFQKR] 1655
FAILURE CODE [DAJ0KK] 1660
FAILURE CODE [DAJ0KT] 1663
FAILURE CODE [DAJ0MC] 1664
FAILURE CODE [DAJ1KA] 1665
FAILURE CODE [DAJ2KK] 1667
FAILURE CODE [DAJ4KB] 1670
FAILURE CODE [DAJ4KZ] 1672
FAILURE CODE [DAJ5KX] 1674
FAILURE CODE [DAJ6KX] 1676
FAILURE CODE [DAJ9KQ] 1678
FAILURE CODE [DAJLKA] 1679
FAILURE CODE [DAJLKB] 1681
FAILURE CODE [DAJQKR] 1683
FAILURE CODE [DAJRKR] 1688
FAILURE CODE [DAJRMA] 1693
FAILURE CODE [DAZ9KQ] 1694
FAILURE CODE [DAZQKR] 1695
FAILURE CODE [DB2QKR] 1699
FAILURE CODE [DB2RKR] 1705
FAILURE CODE [DD1ALD] 1710
FAILURE CODE [DDAAL6] 1712
FAILURE CODE [DDB2L4] 1714
FAILURE CODE [DDB6L4] 1716
FAILURE CODE [DDD7KA] 1718
FAILURE CODE [DDD7KY] 1720
FAILURE CODE [DDK3KA] 1722
FAILURE CODE [DDK3KB] 1725
FAILURE CODE [DDK6KA] 1728
FAILURE CODE [DDK6KB] 1731
FAILURE CODE [DDNRLD] 1734
FAILURE CODE [DF10KA] 1736
FAILURE CODE [DF10KB] 1739
FAILURE CODE [DGH1KX] 1742
FAILURE CODE [DGR2KB] 1744
FAILURE CODE [DGR2KZ] 1746
FAILURE CODE [DHHBKA] 1748
FAILURE CODE [DHHBKY] 1750
FAILURE CODE [DHHCKA] 1752
FAILURE CODE [DHHCKY] 1754
FAILURE CODE [DHPCKA] 1756
FAILURE CODE [DHPCKY] 1758
FAILURE CODE [DHPEKA] 1760
FAILURE CODE [DHPEKY] 1762
FAILURE CODE [DHS8KA] 1764
FAILURE CODE [DHS8KY] 1766
FAILURE CODE [DHS9KA] 1768
FAILURE CODE [DHS9KY] 1770
FAILURE CODE [DHSDKA] 1772
FAILURE CODE [DHSDKY] 1774
FAILURE CODE [DHSNKA] 1776
FAILURE CODE [DHSNKY] 1778
FAILURE CODE [DHT8ZG] 1780
FAILURE CODE [DHTCL6] 1781
FAILURE CODE [DJF1KA] 1783
FAILURE CODE [DK55KA] 1784
FAILURE CODE [DK55KY] 1786
FAILURE CODE [DK55L5] 1788
FAILURE CODE [DK5DKA] 1789
FAILURE CODE [DK5DKY] 1792
FAILURE CODE [DK5DL8] 1795
FAILURE CODE [DK5EKA] 1799
FAILURE CODE [DK5EKY] 1802
FAILURE CODE [DK70KA] 1805
FAILURE CODE [DK70KY] 1807
FAILURE CODE [DKA0KA] 1809
FAILURE CODE [DKA0KY] 1812
FAILURE CODE [DKA0L0] 1814
FAILURE CODE [DLM3KA] 1816
FAILURE CODE [DLM3LC] 1817
FAILURE CODE [DLT3KX] 1819
FAILURE CODE [DLT4KX] 1821
FAILURE CODE [DLT4L0] 1823
FAILURE CODE [DLT4LC] 1824
FAILURE CODE [DPQ1KR] 1826
FAILURE CODE [DPQ2KR] 1829
FAILURE CODE [DPQ3KR] 1832
FAILURE CODE [DSJ0KR] 1836
FAILURE CODE [DT22KB] 1841
FAILURE CODE [DV00KB] 1843
FAILURE CODE [DW26KA] 1844
FAILURE CODE [DW26KB] 1846
FAILURE CODE [DW26KY] 1848
FAILURE CODE [DW4BKA] 1850
FAILURE CODE [DW4BKB] 1852
FAILURE CODE [DW4BKY] 1854
FAILURE CODE [DW4RKA] 1855
FAILURE CODE [DW4RKB] 1857
FAILURE CODE [DW4RKY] 1859
FAILURE CODE [DWM1KA] 1861
FAILURE CODE [DWM1KB] 1862
FAILURE CODE [DWM1KY] 1864
FAILURE CODE [DWN6KA] 1865
FAILURE CODE [DWN6KB] 1867
FAILURE CODE [DWN6KY] 1869
FAILURE CODE [DWN8KA] 1870
FAILURE CODE [DWN8KB] 1871
FAILURE CODE [DWN8KY] 1872
FAILURE CODE [DX19KA] 1873
FAILURE CODE [DX19KB] 1875
FAILURE CODE [DX19KY] 1877
FAILURE CODE [DX20KA] 1879
FAILURE CODE [DX20KB] 1881
FAILURE CODE [DX20KY] 1883
FAILURE CODE [DXAWKA] 1884
FAILURE CODE [DXAWKB] 1887
FAILURE CODE [DXAWKY] 1890
FAILURE CODE [DXH7KA] 1893
FAILURE CODE [DXH7KB] 1895
FAILURE CODE [DXH7KY] 1897
FAILURE CODE [DXH8KA] 1899
FAILURE CODE [DXH8KB] 1901
FAILURE CODE [DXH8KY] 1903
FAILURE CODE [DXHJKA] 1905
FAILURE CODE [DXHJKB] 1907
FAILURE CODE [DXHJKY] 1909
FAILURE CODE [DXHKKA] 1910
FAILURE CODE [DXHKKB] 1912
FAILURE CODE [DXHKKY] 1914
FAILURE CODE [F313KA] 1915
FAILURE CODE [F313KB] 1917
FAILURE CODE [F318KB] 1918
FAILURE CODE [F318KY] 1920
FAILURE CODE [H2K0KA] 1921
FAILURE CODE [H2K0KY] 1923
FAILURE CODE [J141N1] 1925
FAILURE CODE [LA00L3] 1926
FAILURE CODE [M100N1] 1927
FAILURE CODE [M400N1] 1928
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 1929
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 1929
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK .1937
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK 1940
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP 1943
E-5 ALL OF LCD UNIT, LED UNIT, AND METER UNIT ON MACHINE MONITOR DISPLAY NOTHING .1945
E-6 LCD UNIT ON MACHINE MONITOR DISPLAYS NOTHING .1948
E-7 BACKLIGHT OF LCD UNIT ON MACHINE MONITOR IS ABNORMAL, (BACKLIGHT GOES OUT OR FLICKERS) .1950
E-8 LCD ON MACHINE MONITOR DOES NOT DISPLAY PROPERLY .1952
E-9 METER UNIT DISPLAY ON MACHINE MONITOR IS ABNORMAL 1954
E-10 NIGHT LIGHTING LAMP OF METER UNIT ON MACHINE MONITOR IS ABNORMAL 1957
E-11 LED UNIT LAMP ON MACHINE MONITOR IS ABNORMAL 1961
E-12 NIGHT LIGHTING LAMP OF SWITCH PANEL ON MACHINE MONITOR IS ABNORMAL OR SWITCH DOES NOT OPERATE PROPERLY 1963
E-13 2 SWITCHES OPERATION OF SWITCH PANEL ON MACHINE MONITOR DOES NOT FUNCTION .1966
E-14 SWITCH PANEL BUZZER OF MACHINE MONITOR IS ABNORMAL 1969
E-15 SOME ITEMS OF GAUGES AND CAUTION LAMPS ON MACHINE MONITOR ARE NOT DISPLAYED PROPERLY 1972
E-16 AdBlue/DEF LEVEL IS NOT DISPLAYED PROPERLY 1973
E-17 REARVIEW MONITOR DOES NOT LIGHT UP OR BACKLIGHT FLICKERS 1976
E-18 REARVIEW MONITOR IMAGES ARE NOT DISPLAYED CLEARLY .1979
E-19 REARVIEW MONITOR BRIGHTNESS CANNOT BE ADJUSTED 1983
E-20 NIGHT LIGHTING LAMP OF REARVIEW MONITOR IS ABNORMAL .1987
E-21 RADIATOR COOLANT LEVEL CAUTION LAMP DOES NOT LIGHT UP .1989
E-22 PARKING BRAKE INDICATOR LAMP DOES NOT LIGHT WHEN THE PARKING BRAKE IS SET TO ON (PARKING) POSITION 1991
E-23 WHEN FRONT BRAKE ACCUMULATOR OIL PRESSURE DROPS, THE BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP 1995
E-24 WHEN REAR BRAKE ACCUMULATOR OIL PRESSURE DROPS, THE BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP .1996
E-25 INDICATION OF HST OIL TEMPERATURE GAUGE DOES NOT INCREASE, OR HST OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT UP 1997
E-26 WHEN THE INCHING PEDAL IS DEPRESSED, INCHING FUNCTION DOES NOT WORK OR WHILE THE PEDAL HAS NOT BEEN DEPRESSED, INCHING FUNCTION OPERATES 1998
E-27 FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL 2000
E-28 SEAT BELT CAUTION LAMP INDICATION IS ABNORMAL .2002
E-29 ALARM BUZZER DOES NOT SOUND .2003
E-30 ALARM BUZZER DOES NOT STOP SOUNDING .2005
E-31 WHEN THE EMERGENCY HST PUMP DRIVE SWITCH IS OPERATED, IT DOES NOT WORK OR WHEN THE EMERGENCY HST PUMP DRIVE SWITCH IS NOT OPERATED, IT WORKS 2006
E-32 SETTING DOES NOT CHANGE WHILE OPERATING THE TRACTION CONTROL SWITCH .2009
E-33 THE REMOTE POSITIONER DOES NOT WORK OR CANNOT BE RELEASED .2011
E-34 THE BUCKET POSITIONER DOES NOT WORK OR CANNOT BE RELEASED .2013
E-35 BRAKE DOES NOT WORK WHEN PARKING BRAKE IS APPLIED OR BRAKE DRAGS WHILE TRAVELING WHEN PARKING BRAKE IS RELEASED .2016
E-36 DIRECTIONAL SELECTOR (FNR) SWITCH MODE IS NOT SELECTED OR NOT RELEASED 2020
E-37 PZ AUTO TILT-IN DOES NOT WORK .2022
E-38 TRACKTION LEVEL DOES NOT DISPLAY MAX WHEN MAX. TRACTION SWITCH IS TURNED ON .2025
E-39 ECSS FUNCTION CANNOT BE SELECTED OR CANNOT BE RELEASED 2027
E-40 HORN DOES NOT SOUND .2029
E-41 HORN DOES NOT STOP SOUNDING .2032
E-42 NONE OF HEADLAMP, CLEARANCE LAMP, AND TAIL LAMP LIGHTS 2034
E-43 CLEARANCE LAMP AND TAIL LAMP DO NOT LIGHT UP OR GO OUT 2036
E-44 CLEARANCE LAMP AND TAIL LAMP DO NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION) .2040
E-45 BOTH HIGH AND LOW BEAMS OF HEADLAMP DO NOT LIGHT UP OR GO OUT .2044
E-46 BOTH HIGH AND LOW BEAMS OF HEADLAMP DO NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION) 2048
E-47 LOW BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT 2052
E-48 LOW BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION) .2054
E-49 HIGH BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT .2056
E-50 HIGH BEAM OF HEADLAMP DOES NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION) 2058
E-51 FRONT WORKING LAMP DOES NOT LIGHT UP OR GO OUT 2060
E-52 REAR WORKING LAMP DOES NOT LIGHT UP OR GO OUT .2065
E-53 ALL OF TURN SIGNAL LAMPS AND HAZARD LAMPS DO NOT LIGHT UP OR GO OUT .2069
E-54 TURN SIGNAL LAMPS DO NOT LIGHT UP OR GO OUT .2072
E-55 TURN SIGNAL LAMPS DO NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION) 2075
E-56 HAZARD LAMP DOES NOT LIGHT UP OR GO OUT .2078
E-57 HAZARD LAMP DOES NOT LIGHT UP OR GO OUT (FOR EUROPEAN UNION) 2082
E-58 BRAKE LAMP DOES NOT LIGHT OR STAYS LIGHTED 2086
E-59 BRAKE LAMP DOES NOT LIGHT OR STAYS LIGHTED (FOR EUROPEAN UNION) .2090
E-60 BACKUP LAMP DOES NOT LIGHT UP OR DOES NOT GO OUT 2094
E-61 BACKUP LAMP DOES NOT LIGHT UP OR DOES NOT GO OUT (FOR EUROPEAN UNION) .2098
E-62 BACKUP BUZZER DOES NOT SOUND OR CONTINUES TO SOUND 2102
E-63 FRONT WIPER DOES NOT OPERATE 2104
E-64 REAR WIPER DOES NOT OPERATE .2108
E-65 WINDOW WASHER DOES NOT OPERATE 2111
E-66 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 2114
E-67 [FCS] IS DISPLAYED ON THE SCREEN OF AUTO-GREASING PUMP 2115
E-68 [FLL] IS DISPLAYED ON THE SCREEN OF AUTO-GREASING PUMP 2116
E-69 AUTO-GREASING SYSTEM DOES NOT OPERATE OR STOP .2117
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 2118
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) 2118
FAILURE MODE AND CAUSE TABLE .2119
H-1 MACHINE CAN TRAVEL NEITHER FORWARD NOR REVERSE .2133
H-2 MACHINE CAN NOT TRAVEL FORWARD (MACHINE TRAVELS REVERSE NORMALLY) 2136
H-3 MACHINE CAN NOT TRAVEL REVERSE (MACHINE TRAVELS FORWARD NORMALLY) 2137
H-4 TRAVEL SPEED OF FORWARD TRAVEL AND REVERSE TRAVEL IS SLOW, OR POWER IS LOW .2138
H-5 FORWARD TRAVEL SPEED IS SLOW OR POWER IS LOW (MACHINE TRAVELS REVERSE NORMALLY) 2142
H-6 REVERSE TRAVEL SPEED IS SLOW OR POWER IS LOW (MACHINE TRAVELS FORWARD NORMALLY) 2143
H-7 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS .2144
H-8 MACHINE DOES NOT TURN 2146
H-9 STEERING WHEEL IS HEAVY TO OPERATE .2148
H-10 MACHINE SWAYS OR LARGE SHOCKS ARE MADE WHILE MACHINE TURNS 2150
H-11 MACHINE UNINTENTIONALLY TURNS TO ONE SIDE WHEN MACHINE TRAVELS 2151
H-12 WHEEL BRAKES DO NOT WORK OR ARE WEAK 2152
H-13 WHEEL BRAKES ARE NOT RELEASED OR DRAG .2154
H-14 PARKING BRAKE DOES NOT WORK OR IT IS WEAK .2155
H-15 PARKING BRAKE IS NOT RELEASED OR DRAGS 2156
H-16 BOOM DOES NOT RISE 2158
H-17 BOOM MOVES SLOW OR BOOM LACKS LIFTING FORCE .2161
H-18 RISING BOOM SLOWS DOWN AT CERTAIN HEIGHT 2164
H-19 LIFT CYLINDERS DO NOT SERVE TO HOLD BUCKET ON GROUND 2165
H-20 HYDRAULIC DRIFT OF BOOM IS LARGE 2167
H-21 BOOM MOVES UP AND DOWN DURING OPERATION .2168
H-22 BUCKET DOES NOT TILT BACK .2169
H-23 BUCKET MOVES SLOW OR LACKS TILT-BACK FORCE 2172
H-24 BUCKET DECELERATES DURING TILT-BACK OPERATION .2175
H-25 BUCKET CYLINDER DOES NOT HOLD BUCKET ON GROUND 2176
H-26 HYDRAULIC DRIFT OF BUCKET IS LARGE 2178
H-27 BUCKET TILTS BACK AND FORTH DURING CARRYING LOAD (WORK EQUIPMENT VALVE IN HOLD) .2179
H-28 BOOM AND BUCKET CONTROL LEVERS DO NOT MOVE SMOOTHLY AND ARE HEAVY TO MOVE .2180
H-29 WHEN OPERATING WORK EQUIPMENT ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 2181
H-30 LARGE SHOCKS ARE MADE WHEN WORK EQUIPMENT STARTS TO MOVE AND STOPS 2182
H-31 WHEN CERTAIN WORK EQUIPMENT STALLS HYDRAULICALLY, OTHER WORK EQUIPMENT MOVES 2184
H-32 E.C.S.S. (TRAVEL DAMPER) DOES NOT WORK AND MACHINE PITCHES AND BOUNCES 2185
H-33 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) 2186
H-34 UNUSUAL NOISE IS HEARD FROM AROUND FAN 2189
TROUBLESHOOTING OF ENGINE (S-MODE) .2190
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) 2190
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION .2191
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT .2192
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START) .2193
S-4 ENGINE STARTABILITY IS POOR 2195
S-5 ENGINE DOES NOT PICK UP SMOOTHLY .2197
S-6 ENGINE STOPS DURING OPERATION 2199
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE .2201
S-8 ENGINE LACKS POWER .2202
S-9 KDPF GETS CLOGGED IN A SHORT TIME 2204
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE .2206
S-11 OIL BECOMES CONTAMINATED QUICKLY 2207
S-12 FUEL CONSUMPTION IS EXCESSIVE .2208
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) .2209
S-14 OIL PRESSURE DROPS 2210
S-15 FUEL MIXES INTO ENGINE OIL 2212
S-16 WATER MIXES INTO ENGINE OIL (MILKY) .2213
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 2214
S-18 UNUSUAL NOISE IS HEARD 2215
S-19 VIBRATION IS EXCESSIVE 2216
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT 2217
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY 2218
S-22 ACTIVE REGENERATION TAKES TIME 2220
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION .2221
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE .2222
S-25 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES) .2224
TROUBLESHOOTING FOR AUTO-GREASING SYSTEM .2225
OUTLINE OF FAILURE DISPLAY .2225
TROUBLESHOOTING FOR FCS 2226
REPLACEMENT OF PUMP ELEMENT 2227
TROUBLESHOOTING FOR GREASE SUPPLY SYSTEM .2228
REPLACEMENT OF AUTO-GREASING CONTROLLER 2230
PROCEDURE FOR ASSEMBLING WHEN DISASSEMBLING FOR TROUBLESHOOTING 2231
50 DISASSEMBLY AND ASSEMBLY 2233
CONTENTS .2234
ABBREVIATION LIST 2238
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY 2244
HOW TO READ THIS MANUAL 2244
COATING MATERIALS LIST .2246
SPECIAL TOOLS LIST .2250
SKETCHES OF SPECIAL TOOLS 2273
ENGINE AND COOLING SYSTEM 2293
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY 2293
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY .2294
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY .2299
REMOVE AND INSTALL INJECTOR ASSEMBLY .2306
METHOD FOR REMOVING INJECTOR ASSEMBLY 2306
METHOD FOR INSTALLING INJECTOR ASSEMBLY 2314
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY 2324
METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY .2325
METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY .2336
REMOVE AND INSTALL EGR VALVE ASSEMBLY 2351
METHOD FOR REMOVING EGR VALVE ASSEMBLY .2351
METHOD FOR INSTALLING EGR VALVE ASSEMBLY .2355
REMOVE AND INSTALL EGR COOLER ASSEMBLY .2359
METHOD FOR REMOVING EGR COOLER ASSEMBLY 2359
METHOD FOR INSTALLING EGR COOLER ASSEMBLY 2363
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY .2367
METHOD FOR REMOVING STARTING MOTOR ASSEMBLY 2367
METHOD FOR INSTALLING STARTING MOTOR ASSEMBLY 2369
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR BELT .2372
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR BELT 2372
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR BELT 2373
REMOVE AND INSTALL ALTERNATOR BELT .2375
METHOD FOR REMOVING ALTERNATOR BELT 2375
METHOD FOR INSTALLING ALTERNATOR BELT 2378
REMOVE AND INSTALL ALTERNATOR ASSEMBLY .2380
METHOD FOR REMOVING ALTERNATOR ASSEMBLY 2380
METHOD FOR INSTALLING ALTERNATOR ASSEMBLY 2383
REMOVE AND INSTALL AUTOMATIC TENSIONER .2387
METHOD FOR REMOVING AUTOMATIC TENSIONER 2387
METHOD FOR INSTALLING AUTOMATIC TENSIONER 2387
REMOVE AND INSTALL RADIATOR ASSEMBLY .2389
METHOD FOR REMOVING RADIATOR ASSEMBLY 2389
METHOD FOR INSTALLING RADIATOR ASSEMBLY 2393
REMOVE AND INSTALL COOLING FAN AND FAN MOTOR ASSEMBLY 2396
METHOD FOR REMOVING COOLING FAN AND COOLING FAN MOTOR ASSEMBLY .2396
METHOD FOR INSTALLING COOLING FAN AND COOLING FAN MOTOR ASSEMBLY .2399
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY .2403
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY 2403
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY 2405
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY 2407
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY .2407
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY .2408
REMOVE AND INSTALL ENGINE ASSEMBLY .2410
METHOD FOR REMOVING ENGINE ASSEMBLY 2411
METHOD FOR INSTALLING ENGINE ASSEMBLY 2429
REMOVE AND INSTALL ENGINE FRONT OIL SEAL .2449
METHOD FOR REMOVING ENGINE FRONT OIL SEAL 2449
METHOD FOR INSTALLING ENGINE FRONT OIL SEAL 2451
REMOVE AND INSTALL ENGINE REAR OIL SEAL 2454
METHOD FOR REMOVING ENGINE REAR OIL SEAL .2454
METHOD FOR INSTALLING ENGINE REAR OIL SEAL .2456
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY 2460
METHOD FOR REMOVING ENGINE HOOD ASSEMBLY .2460
METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY .2466
REMOVE AND INSTALL FUEL TANK ASSEMBLY 2473
METHOD FOR REMOVING FUEL TANK ASSEMBLY .2473
METHOD FOR INSTALLING FUEL TANK ASSEMBLY .2477
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY 2482
METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY .2483
METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY .2490
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2496
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY .2496
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY .2498
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR 2501
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR .2501
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR .2502
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER 2509
METHOD FOR REMOVING AdBlue/DEF TANK STRAINER .2509
METHOD FOR INSTALLING AdBlue/DEF TANK STRAINER .2510
REMOVE AND INSTALL KDPF ASSEMBLY .2511
METHOD FOR REMOVING KDPF ASSEMBLY 2512
METHOD FOR INSTALLING KDPF ASSEMBLY 2522
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY 2534
METHOD FOR DISASSEMBLING KDPF ASSEMBLY .2534
METHOD FOR ASSEMBLING KDPF ASSEMBLY 2539
REMOVE AND INSTALL SCR ASSEMBLY 2544
METHOD FOR REMOVING SCR ASSEMBLY .2545
METHOD FOR INSTALLING SCR ASSEMBLY .2555
REMOVE AND INSTALL KDPF, SCR ASSEMBLY 2568
METHOD FOR REMOVING KDPF, SCR ASSEMBLY .2569
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY .2579
REMOVE AND INSTALL BELLOWS PIPE ASSEMBLY .2594
METHOD FOR REMOVING BELLOWS PIPE ASSEMBLY 2594
METHOD FOR INSTALLING BELLOWS PIPE ASSEMBLY 2597
REMOVE AND INSTALL KCCV ASSEMBLY .2602
METHOD FOR REMOVING KCCV ASSEMBLY 2602
METHOD FOR INSTALLING KCCV ASSEMBLY 2604
REMOVE AND INSTALL VGT ASSEMBLY 2607
METHOD FOR REMOVING VGT ASSEMBLY .2607
METHOD FOR INSTALLING VGT ASSEMBLY .2614
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE 2623
METHOD FOR REMOVING AdBlue/DEF MIXING TUBE .2624
METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE .2629
REMOVE AND INSTALL AdBlue/DEF INJECTOR .2636
METHOD FOR REMOVING AdBlue/DEF INJECTOR 2636
METHOD FOR INSTALLING AdBlue/DEF INJECTOR 2638
REMOVE AND INSTALL AdBlue/DEF PUMP .2642
METHOD FOR REMOVING AdBlue/DEF PUMP 2642
METHOD FOR INSTALLING AdBlue/DEF PUMP 2645
REMOVE AND INSTALL AdBlue/DEF HOSE .2649
METHOD FOR REMOVING AdBlue/DEF HOSE 2649
METHOD FOR INSTALLING AdBlue/DEF HOSE 2659
REMOVE AND INSTALL AIR CLEANER ASSEMBLY 2669
METHOD FOR REMOVING AIR CLEANER ASSEMBLY .2669
METHOD FOR INSTALLING AIR CLEANER ASSEMBLY .2672
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY .2675
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY 2676
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY 2678
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY 2681
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY .2681
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY .2683
POWER TRAIN 2686
REMOVE AND INSTALL HST PUMP ASSEMBLY .2686
METHOD FOR REMOVING HST PUMP ASSEMBLY 2687
METHOD FOR INSTALLING HST PUMP ASSEMBLY 2693
REMOVE AND INSTALL HST MOTOR1 ASSEMBLY .2702
METHOD FOR REMOVING HST MOTOR1 ASSEMBLY 2702
METHOD FOR INSTALLING HST MOTOR1 ASSEMBLY 2705
REMOVE AND INSTALL HST MOTOR2 ASSEMBLY .2708
METHOD FOR REMOVING HST MOTOR2 ASSEMBLY 2709
METHOD FOR INSTALLING HST MOTOR2 ASSEMBLY 2717
REMOVE AND INSTALL TRANSFER ASSEMBLY .2726
METHOD FOR REMOVING TRANSFER ASSEMBLY 2727
METHOD FOR INSTALLING TRANSFER ASSEMBLY 2731
DISASSEMBLE AND ASSEMBLE TRANSFER ASSEMBLY .2736
METHOD FOR DISASSEMBLING TRANSFER ASSEMBLY .2739
METHOD FOR ASSEMBLING TRANSFER ASSEMBLY 2758
REMOVE AND INSTALL FRONT AXLE ASSEMBLY .2783
METHOD FOR REMOVING FRONT AXLE ASSEMBLY 2783
METHOD FOR INSTALLING FRONT AXLE ASSEMBLY 2785
REMOVE AND INSTALL REAR AXLE ASSEMBLY 2788
METHOD FOR REMOVING REAR AXLE ASSEMBLY .2788
METHOD FOR INSTALLING REAR AXLE ASSEMBLY .2792
DISASSEMBLE AND ASSEMBLE AXLE HOUSING ASSEMBLY .2796
METHOD FOR DISASSEMBLING AXLE HOUSING ASSEMBLY .2797
METHOD FOR ASSEMBLING AXLE HOUSING ASSEMBLY 2805
DISASSEMBLE AND ASSEMBLE DIFFERENTIAL ASSEMBLY .2815
METHOD FOR DISASSEMBLING DIFFERENTIAL ASSEMBLY .2816
METHOD FOR ASSEMBLING DIFFERENTIAL ASSEMBLY 2829
UNDERCARRIAGE AND FRAME 2849
REMOVE AND INSTALL CENTER HINGE PIN 2849
METHOD FOR REMOVING CENTER HINGE PIN .2850
METHOD FOR INSTALLING CENTER HINGE PIN .2857
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY 2868
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY .2868
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY .2874
HYDRAULIC SYSTEM .2879
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY .2879
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY 2879
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY 2889
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY 2898
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY .2898
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY .2904
REMOVE AND INSTALL QUICK COUPLER LS PRESSURE RISE VALVE ASSEMBLY .2910
METHOD FOR REMOVING QUICK COUPLER LS PRESSURE RISE VALVE ASSEMBLY 2910
METHOD FOR INSTALLING QUICK COUPLER LS PRESSURE RISE VALVE ASSEMBLY 2913
WORK EQUIPMENT .2916
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY .2916
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY 2917
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY 2921
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY 2932
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 2933
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY .2937
CAB AND ITS ATTACHMENTS 2944
REMOVE AND INSTALL OPERATOR’S CAB AND FLOOR FRAME ASSEMBLY .2944
METHOD FOR REMOVING OPERATOR’S CAB AND FLOOR FRAME ASSEMBLY 2945
METHOD FOR INSTALLING OPERATOR’S CAB AND FLOOR FRAME ASSEMBLY 2952
REMOVE AND INSTALL OPERATOR’S CAB GLASS (ADHERED GLASS) 2961
METHOD FOR REMOVING OPERATOR’S CAB GLASS (ADHERED GLASS) .2961
METHOD FOR INSTALLING OPERATOR’S CAB GLASS (ADHERED GLASS) .2962
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY .2971
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY 2971
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY 2977
REMOVE AND INSTALL OPERATOR’S SEAT ASSEMBLY 2984
METHOD FOR REMOVING OPERATOR’S SEAT ASSEMBLY .2984
METHOD FOR INSTALLING OPERATOR’S SEAT ASSEMBLY .2984
REMOVE AND INSTALL SEAT BELT .2986
METHOD FOR REMOVING SEAT BELT 2986
METHOD FOR INSTALLING SEAT BELT 2986
ELECTRICAL SYSTEM 2988
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 2988
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY .2988
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY .2992
REMOVE AND INSTALL HST CONTROLLER ASSEMBLY .2997
METHOD FOR REMOVING HST CONTROLLER ASSEMBLY 2997
METHOD FOR INSTALLING HST CONTROLLER ASSEMBLY 2999
REMOVE AND INSTALL AIR CONDITIONER CONTROLLER ASSEMBLY .3001
METHOD FOR REMOVING AIR CONDITIONER CONTROLLER ASSEMBLY 3001
METHOD FOR INSTALLING AIR CONDITIONER CONTROLLER ASSEMBLY 3002
REMOVE AND INSTALL MONITOR CONTROLLER ASSEMBLY .3004
METHOD FOR REMOVING MONITOR CONTROLLER ASSEMBLY 3004
METHOD FOR INSTALLING MONITOR CONTROLLER ASSEMBLY 3007
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 3009
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY .3009
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY .3012
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR 3015
METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR .3015
METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR .3016
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR 3017
METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR .3017
METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR .3018
REMOVE AND INSTALL KDPF TEMPERATURE SENSOR .3020
METHOD FOR REMOVING KDPF TEMPERATURE SENSOR 3020
METHOD FOR INSTALLING KDPF TEMPERATURE SENSOR 3023
REMOVE AND INSTALL KDPF DIFFERENTIAL PRESSURE SENSOR .3026
METHOD FOR REMOVING KDPF DIFFERENTIAL PRESSURE SENSOR 3027
METHOD FOR INSTALLING KDPF DIFFERENTIAL PRESSURE SENSOR 3030
REMOVE AND INSTALL SCR TEMPERATURE SENSOR 3033
METHOD FOR REMOVING SCR TEMPERATURE SENSOR .3033
METHOD FOR INSTALLING SCR TEMPERATURE SENSOR .3034
REMOVE AND INSTALL AMMONIA SENSOR 3036
METHOD FOR REMOVING AMMONIA SENSOR .3037
METHOD FOR INSTALLING AMMONIA SENSOR .3039
REMOVE AND INSTALL SCR OUTLET NOx SENSOR .3041
METHOD FOR REMOVING SCR OUTLET NOx SENSOR 3042
METHOD FOR INSTALLING SCR OUTLET NOx SENSOR 3044
REMOVE AND INSTALL GATEWAY FUNCTION CONTROLLER ASSEMBLY 3047
REMOVE GATEWAY FUNCTION CONTROLLER ASSEMBLY 3047
INSTALL GATEWAY FUNCTION CONTROLLER ASSEMBLY .3048
REMOVE AND INSTALL COMMUNICATION TERMINAL 3049
INSTALL COMMUNICATION TERMINAL .3049
REMOVE COMMUNICATION TERMINAL 3051
60 MAINTENANCE STANDARD 3055
CONTENTS .3056
ABBREVIATION LIST 3057
ENGINE AND COOLING SYSTEM 3063
MAINTENANCE STANDARD OF ENGINE MOUNT .3063
MAINTENANCE STANDARD OF DAMPER .3064
MAINTENANCE STANDARD OF COOLING FAN MOTOR 3065
POWER TRAIN 3067
MAINTENANCE STANDARD OF DRIVE SHAFT 3067
MAINTENANCE STANDARD OF TRANSFER .3068
MAINTENANCE STANDARD OF TRANSFER MOUNT .3076
MAINTENANCE STANDARD OF FRONT AXLE .3077
MAINTENANCE STANDARD OF REAR AXLE 3078
MAINTENANCE STANDARD OF FRONT TORQUE PROPORTIONING DIFFERENTIAL 3079
MAINTENANCE STANDARD OF REAR TORQUE PROPORTIONING DIFFERENTIAL .3081
MAINTENANCE STANDARD OF LIMITED SLIP DIFFERENTIAL 3083
MAINTENANCE STANDARD OF FRONT FINAL DRIVE 3085
MAINTENANCE STANDARD OF REAR FINAL DRIVE .3087
STEERING SYSTEM 3089
MAINTENANCE STANDARD OF STEERING COLUMN 3089
MAINTENANCE STANDARD OF PRIORITY VALVE .3090
MAINTENANCE STANDARD OF STEERING CYLINDER 3091
MAINTENANCE STANDARD OF SECONDARY STEERING VALVE .3094
BRAKE SYSTEM .3095
MAINTENANCE STANDARD OF BRAKE CIRCUIT ACCUMULATOR CHARGE VALVE .3095
MAINTENANCE STANDARD OF SLACK ADJUSTER .3096
MAINTENANCE STANDARD OF FRONT BRAKE 3097
MAINTENANCE STANDARD OF REAR BRAKE .3098
MAINTENANCE STANDARD OF PARKING BRAKE 3099
MAINTENANCE STANDARD OF PARKING BRAKE SOLENOID VALVE .3101
UNDERCARRIAGE AND FRAME 3102
MAINTENANCE STANDARD OF FRAME, AXLE MOUNT AND CENTER HINGE PIN .3102
HYDRAULIC SYSTEM .3108
MAINTENANCE STANDARD OF HYDRAULIC TANK .3108
MAINTENANCE STANDARD OF BRAKE AND COOLING FAN PUMP AND TRANSFER LUBRICATION PUMP .3109
MAINTENANCE STANDARD OF STEERING AND WORK EQUIPMENT PUMP .3110
MAINTENANCE STANDARD OF SERVO VALVE OF STEERING AND WORK EQUIPMENT PUMP 3113
MAINTENANCE STANDARD OF CONTROL VALVE 3114
MAINTENANCE STANDARD OF SELF-PRESSURE REDUCING VALVE .3126
MAINTENANCE STANDARD OF MULTIFUNCTION MONO-LEVER PPC VALVE .3128
MAINTENANCE STANDARD OF WORK EQUIPMENT LOCK SOLENOID VALVE .3130
WORK EQUIPMENT .3131
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE .3131
MAINTENANCE STANDARD OF BUCKET .3135
MAINTENANCE STANDARD OF LIFT CYLINDER 3136
MAINTENANCE STANDARD OF BUCKET CYLINDER 3137
CAB AND ITS ATTACHMENTS 3138
MAINTENANCE STANDARD OF CAB MOUNT 3138
80 APPENDIX 3139
CONTENTS .3140
ABBREVIATION LIST 3142
AIR CONDITIONER SYSTEM .3148
PRECAUTIONS FOR REFRIGERANT 3148
AIR CONDITIONER COMPONENT 3149
SPECIFICATIONS OF AIR CONDITIONER 3151
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE 3152
OUTLINE OF REFRIGERATION CYCLE .3153
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 3155
AIR CONDITIONER UNIT .3155
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT 3155
FUNCTION OF AIR CONDITIONER UNIT .3156
COMPONENT PARTS OF AIR CONDITIONER UNIT 3157
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT .3157
FUNCTION OF INSIDE AIR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT 3157
FUNCTION OF BLOWER AMPLIFIER AS AIR CONDITIONER UNIT COMPONENT .3158
FUNCTION OF BLOWER OFF RELAY AS AIR CONDITIONER UNIT COMPONENT .3158
FUNCTION OF COMPRESSOR CLUTCH RELAY AS AIR CONDITIONER UNIT COMPONENT 3158
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT 3158
FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT 3158
FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT 3159
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT 3159
FUNCTION OF DUAL PRESSURE SWITCH .3160
AIR CONDITIONER CONTROLLER .3161
STRUCTURE OF AIR CONDITIONER CONTROLLER 3161
COMPRESSOR .3162
STRUCTURE OF COMPRESSOR 3162
SPECIFICATIONS OF COMPRESSOR .3162
FUNCTION OF COMPRESSOR .3162
CONDENSER 3163
STRUCTURE OF CONDENSER .3163
SPECIFICATIONS OF CONDENSER 3163
FUNCTION OF CONDENSER 3163
RECEIVER DRIER .3164
STRUCTURE OF RECEIVER DRIER 3164
SPECIFICATIONS OF RECEIVER DRIER .3164
FUNCTION OF RECEIVER DRIER .3164
SENSORS FOR AIR CONDITIONER SYSTEM .3165
FUNCTION OF SUNLIGHT SENSOR 3165
FUNCTION OF AMBIENT TEMPERATURE SENSOR .3165
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER 3166
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER 3168
AIR CONDITIONER SYSTEM DIAGRAM .3171
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER .3172
FUNCTION OF AIR CONDITIONER CONTROLLER .3173
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS 3174
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION 3180
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR .3181
CHECK TEMPERATURE CONTROL FUNCTION .3182
METHOD FOR CHECKING TEMPERATURE CONTROL FUNCTION .3182
TEST VENT (MODE) CHANGEOVER 3184
METHOD FOR TESTING VENT (MODE) CHANGEOVER 3184
TESTING FRESH/RECIRC AIR CHANGEOVER 3186
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER .3186
TEST EVAPORATOR TEMPERATURE SENSOR .3188
TEST RELAYS 3190
METHOD FOR TESTING RELAYS 3190
AIR CONDITIONER TROUBLESHOOTING CHART 1 3192
AIR CONDITIONER TROUBLESHOOTING CHART 2 3193
FAILURE CODE [879AKA] 3196
FAILURE CODE [879AKB] 3198
FAILURE CODE [879BKA] 3200
FAILURE CODE [879BKB] 3202
FAILURE CODE [879CKA] 3204
FAILURE CODE [879CKB] 3206
FAILURE CODE [879DKZ] 3208
FAILURE CODE [879EMC] 3210
FAILURE CODE [879FMC] 3211
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE) .3212
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED) 3215
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL) .3218
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER 3222
TROUBLESHOOTING USING GAUGE PRESSURE .3224
CONNECTION OF SERVICE TOOL .3227
METHOD FOR CONNECTING SERVICE TOOL .3228
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS 3229
HANDLE COMPRESSOR OIL 3231
KOMATSU SHORT LEVER JOYSTICK STEERING (K-SLS) .3233
FUNCTION AND STRUCTURE .3233
TESTING AND ADJUSTING 3238
CONNECT TO JOYSTICK STEERING CONTROLLER 3238
EC WS DESCRIPTION MENUS 3238
TROUBLESHOOTING 3244
E-01 JOYSTICK STEERING CANNOT BE ACTIVATED .3244
E-02 MACHINE TURNS SLOWLY BY USING JOYSTICK STEERING .3245
E-03 MACHINE STARTS TO TURN AFTER JSS IS ACTIVATED .3245
E-04 MACHINE ONLY TURNS TO ONE SIDE 3246
E-05 MACHINE DOES NOT DRIVE FORWARD OR BACKWARD WITH DIRECTIONAL SELECTOR (FNR) SWITCH ON LEFT ARM REST 3247
90 CIRCUIT DIAGRAMS 3249
CONTENTS .3250
ABBREVIATION LIST 3251
HYDRAULIC CIRCUIT DIAGRAM 3257
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 3257
HYDRAULIC CIRCUIT DIAGRAM (1/2) 3261
HYDRAULIC AUTO-GREASING DIAGRAM 3265
ELECTRICAL CIRCUIT DIAGRAM .3267
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM .3267
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (1/6) 3271
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (2/6) 3273
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (3/6) 3275
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (4/6) 3277
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (5/6) 3279
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (6/6) 3281
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (1/10) .3283
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (2/10) .3285
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (3/10) .3287
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (4/10) .3289
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (5/10) .3291
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (6/10) .3293
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (7/10) .3295
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (8/10) .3297
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (9/10) .3299
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (10/10) 3301
ELECTRICAL CIRCUIT DIAGRAM OF EXIDOR (JSS) 3303
INDEX .3305

DESCRIPTION:

Komatsu WA270-8E0 Wheel Loader Shop Manual VENBM34000 – PDF DOWNLOAD

• SERIAL NUMBERS H75551 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 31/12/24