Komatsu WA900-8R Wheel Loader Shop Manual SEN06750-04 – PDF DOWNLOAD

Komatsu WA900-8R Wheel Loader Shop Manual SEN06750-04 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WA900-8R Wheel Loader Shop Manual SEN06750-04 – PDF DOWNLOAD

Language : English
Pages : 5566
Downloadable : Yes
File Type : PDF
Size: 141 MB

TABLE OF CONTENTS:

Komatsu WA900-8R Wheel Loader Shop Manual SEN06750-04 – PDF DOWNLOAD

INDEX
00 INDEX AND FOREWORD 00-1
FOREWORD, SAFETY, BASIC INFORMATION 00-22
HOW TO READ THE SHOP MANUAL 00-22
SAFETY NOTICE FOR OPERATION 00-24
PRECAUTIONS TO PREVENT FIRE 00-32
ACTIONS IF FIRE OCCURS 00-34
PRECAUTIONS WHEN YOU DISPOSE OF WASTE MATERIALS 00-35
ENGINE TECHNOLOGY TO CONFORM EXHAUST GAS EMISSION 00-36
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 00-37
PRECAUTIONS WHEN YOU DISCONNECT AND CONNECT PIPINGS 00-40
PRECAUTIONS WHEN YOU HANDLE ELECTRICAL EQUIPMENT 00-47
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 00-49
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 00-50
PRACTICAL USE OF KOMTRAX 00-51
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 00-52
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 00-56
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 00-60
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 00-61
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 00-63
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 00-64
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
00-66
STANDARD TIGHTENING TORQUE TABLE 00-67
CONVERSION TABLE 00-74
ABBREVIATION LIST 00-79
01 SPECIFICATION 01-1
CONTENTS 01-2
SPECIFICATIONS 01-3
SPECIFICATION DRAWING 01-3
SPECIFICATIONS 01-5
WEIGHT TABLE 01-10
FUEL, COOLANT, LUBRICANT 01-12
10 STRUCTURE AND FUNCTION 10-1
CONTENTS 10-2
BOOT-UP SYSTEM 10-7
LAYOUT DRAWING OF BOOT-UP SYSTEM 10-7
PRE-LUBRICATION SYSTEM 10-9
SYSTEM OPERATING LAMP SYSTEM 10-13
BATTERY DISCONNECT SWITCH 10-14
STARTING MOTOR DISCONNECT SWITCH 10-15
PREHEATING SYSTEM 10-16
ENGINE SHUTDOWN SECONDARY SWITCH 10-18
EMERGENCY ENGINE STOP SWITCH 10-19
EXTERNAL POWER SUPPLY ENGINE PREHEATER 10-20
ENGINE SYSTEM 10-21
LAYOUT DRAWING OF ENGINE SYSTEM 10-21
ENGINE CONTROL SYSTEM 10-23
ENGINE POWER MODE SELECTOR SYSTEM 10-26
RPM SET 10-27
ENGINE SYSTEM 10-29
COOLING SYSTEM 10-35
LAYOUT DRAWING OF COOLING SYSTEM 10-35
COOLING FAN CONTROL SYSTEM 10-38
COOLING SYSTEM 10-42
CONTROL SYSTEM 10-57
LAYOUT DRAWING OF CONTROL SYSTEM PARTS 10-57
INDEX 00 INDEX AND FOREWORD
00-2 WA900-8R
MACHINE MONITOR SYSTEM 10-59
REARVIEW MONITOR SYSTEM 10-61
KOMTRAX Plus SYSTEM 10-62
LOAD METER SYSTEM 10-64
MACHINE LOCK-OUT SYSTEM 10-70
CONTROL SYSTEM 10-72
HYDRAULIC SYSTEM 10-132
LAYOUT DRAWING OF HYDRAULIC SYSTEM 10-132
CLSS 10-133
WORK EQUIPMENT PUMP CONTROL SYSTEM 10-136
STEERING PUMP CONTROL SYSTEM 10-138
HYDRAULIC SYSTEM 10-139
POWER TRAIN SYSTEM 10-220
LAYOUT DRAWING OF POWER TRAIN SYSTEM 10-220
TRANSMISSION CONTROL SYSTEM 10-224
TRANSMISSION GEAR SHIFT CONTROL SYSTEM 10-226
TRANSMISSION PROTECTION FUNCTION 10-231
TIRE SLIP CONTROL SYSTEM 10-235
POWER TRAIN SYSTEM 10-237
WORK EQUIPMENT SYSTEM 10-295
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 10-295
WORK EQUIPMENT SYSTEM DIAGRAM 10-297
WORK EQUIPMENT CONTROL SYSTEM 10-299
WORK EQUIPMENT NEUTRAL LOCK SYSTEM 10-306
REMOTE POSITIONER SYSTEM 10-308
BUCKET POSITIONER AND BOOM POSITIONER 10-313
AUTO-DIGGING SYSTEM 10-314
SEMI-AUTO APPROACH SYSTEM 10-316
SEMI-AUTO DUMP SYSTEM 10-317
ECSS 10-319
WALL DIGGING PREVENTION CONTROL SYSTEM 10-321
WORK EQUIPMENT SYSTEM 10-323
STEERING SYSTEM 10-329
LAYOUT DRAWING OF STEERING SYSTEM 10-329
SECONDARY STEERING SYSTEM 10-330
AJSS 10-331
STEERING LOCK SYSTEM 10-338
STEERING SYSTEM 10-339
BRAKE SYSTEM 10-367
LAYOUT DRAWING OF BRAKE SYSTEM 10-367
PARKING BRAKE CONTROL SYSTEM 10-370
BRAKE SYSTEM 10-372
AUTOMATIC GREASE SYSTEM 10-392
LAYOUT DRAWING OF AUTOMATIC GREASE SYSTEM 10-392
AUTOMATIC GREASE SYSTEM DIAGRAM 10-395
SPECIFICATIONS OF AUTOMATIC GREASE SYSTEM 10-396
FUNCTION OF AUTOMATIC GREASE SYSTEM 10-397
AUTOMATIC GREASE SYSTEM 10-398
LIFTING SYSTEM 10-403
POWER LADDER SYSTEM 10-403
POWER LADDER SYSTEM 10-407
UNDERCARRIAGE AND FRAME 10-412
FRAME, AXLE MOUNT AND HINGE PIN 10-412
STRUCTURE OF LUBRICATION SYSTEM FOR UNDERCARRIAGE 10-415
SERVICE CENTER 10-416
TIRE 10-420
WORK EQUIPMENT 10-421
STRUCTURE OF WORK EQUIPMENT 10-421
00 INDEX AND FOREWORD INDEX
WA900-8R 00-3
STRUCTURE OF BUCKET 10-422
STRUCTURE OF LUBRICATION SYSTEM FOR WORK EQUIPMENT 10-423
CAB RELATED PARTS 10-425
ROPS 10-425
CAB 10-426
CAB MOUNT 10-427
20 STANDARD VALUE TABLE 20-1
CONTENTS 20-2
STANDARD VALUE TABLE FOR ENGINE 20-3
STANDARD VALUE TABLE FOR ENGINE: WA900-8R 20-3
STANDARD VALUE TABLE FOR MACHINE 20-6
STANDARD VALUE TABLE FOR MACHINE: WA900-8R 20-6
MACHINE POSTURE AND PROCEDURES TO MEASURE PERFORMANCE 20-21
30 TESTING AND ADJUSTING 30-1
CONTENTS 30-2
RELATED INFORMATION ON TESTING AND ADJUSTING 30-6
TOOLS FOR TESTING AND ADJUSTING 30-6
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 30-15
ENGINE AND COOLING SYSTEM 30-16
TEST ENGINE SPEED 30-16
TEST BOOST PRESSURE 30-20
TEST EXHAUST GAS TEMPERATURE 30-24
TEST EXHAUST GAS COLOR 30-26
CHECK AND ADJUST VALVE CLEARANCE 30-31
TEST COMPRESSION PRESSURE 30-34
TEST ENGINE OIL PRESSURE 30-38
TEST FUEL PRESSURE 30-41
TEST FUEL RETURN RATE AND LEAKAGE 30-43
BLEED AIR FROM FUEL SYSTEM 30-51
TEST FUEL CIRCUIT FOR LEAKAGE 30-53
TEST LOW PRESSURE CIRCUIT DEVICES 30-54
CYLINDER CUT-OUT MODE OPERATION 30-59
NO-INJECTION CRANKING OPERATION 30-60
TEST MUFFLER AND MUFFLER STACK FOR LOOSENESS AND DAMAGE 30-61
TEST INSTALLATION OF CYLINDER HEAD COVER AND MANIFOLDS 30-62
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS 30-63
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER 30-64
TEST AND ADJUST ALTERNATOR BELT TENSION 30-71
CHECK AND ADJUST AIR CONDITIONER COMPRESSOR BELT 30-73
POWER TRAIN 30-75
TEST AND ADJUST POWER TRAIN OIL PRESSURE 30-75
TEST MODULATION CLUTCH OUTPUT SPEED SENSOR 30-94
TEST TRANSMISSION OUTPUT SPEED SENSOR 30-95
ADJUST WHEEL SPEED SENSOR 30-97
FLUSH TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT 30-98
MOVE DISABLED MACHINE DUE TO TRANSMISSION VALVE FAILURE 30-101
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE 30-104
STEERING SYSTEM 30-105
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE 30-105
BRAKE SYSTEM 30-110
RELEASE REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT 30-110
TEST WHEEL BRAKE OIL PRESSURE 30-111
TEST AND ADJUST BRAKE ACCUMULATOR CHARGE PRESSURE 30-113
TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR BRAKE 30-117
RELEASE NITROGEN GAS WHEN YOU DISPOSE OF ACCUMULATOR 30-126
TEST BRAKE PERFORMANCE 30-127
TEST BRAKE PEDAL 30-128
ADJUST RIGHT BRAKE PEDAL SWITCH 30-130
INDEX 00 INDEX AND FOREWORD
00-4 WA900-8R
BLEED AIR FROM BRAKE CIRCUIT 30-132
TEST WEAR OF WHEEL BRAKE DISC 30-134
TEST PARKING BRAKE OIL PRESSURE 30-136
TEST PARKING BRAKE PERFORMANCE 30-138
RELEASE PARKING BRAKE MANUALLY 30-139
TEST WEAR AMOUNT OF PARKING BRAKE DISC 30-141
HYDRAULIC SYSTEM 30-143
RELEASE REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT 30-143
TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE 30-145
TEST AND ADJUST WORK EQUIPMENT EPC OIL PRESSURE 30-152
BLEED AIR FROM HYDRAULIC CIRCUIT 30-155
TEST COOLING FAN SPEED 30-161
TEST COOLING FAN CIRCUIT OIL PRESSURE 30-162
BLEED AIR FROM COOLING FAN CIRCUIT 30-166
TEST ECSS ACCUMULATOR CHARGE PRESSURE 30-168
TEST ECSS ACCUMULATOR NITROGEN GAS PRESSURE AND CHARGE ACCUMULATOR WITH
NITROGEN GAS 30-170
WORK EQUIPMENT 30-178
TEST AND ADJUST BUCKET POTENTIOMETER LEVER 30-178
TEST AND ADJUST BOOM POTENTIOMETER LEVER 30-180
TEST HYDRAULIC DRIFT OF THE WORK EQUIPMENT 30-181
DEVICE TO GET ON OR OFF MACHINE 30-183
ADJUST DECELERATION OF POWER LADDER 30-183
CAB RELATED PARTS 30-186
TEST WORK EQUIPMENT CONTROL LEVER 30-186
TEST AJSS LEVER 30-188
TEST AND ADJUST AJSS LEVER ANGLE SENSOR AND AJSS FRAME ANGLE SENSOR 30-191
TEST AND ADJUST STEERING STOPPER BOLT 30-193
ADJUST PLAY OF OPERATOR SEAT 30-194
ADJUST DOOR LOCK LINK 30-195
ELECTRICAL SYSTEM 30-198
SETTING AND ADJUSTMENT OF EACH EQUIPMENT 30-198
SET AND OPERATE MACHINE MONITOR 30-202
START UP KOMTRAX TERMINAL 30-314
DEFAULT SETTING OF KOMTRAX Plus CONTROLLER 30-320
DEFAULT SETTING OF WIRELESS LAN MODEM 30-323
DOWNLOAD DATA FROM KOMTRAX Plus CONTROLLER 30-326
ADJUST AFTER REPLACEMENT OF KOMTRAX Plus CONTROLLER 30-329
ADJUST AFTER REPLACEMENT OF WIRELESS LAN MODEM 30-332
ADJUST REARVIEW CAMERA ANGLE 30-335
ENGINE CONTROLLER VOLTAGE CIRCUIT 30-336
BATTERY DISCONNECT SWITCH 30-337
TEST DIODES 30-338
Pm-CLINIC 30-339
PM CLINIC SERVICE 30-339
PERFORM QUICK PM 30-353
40 TROUBLESHOOTING 40-1
CONTENTS 40-2
RELATED INFORMATION TO TROUBLESHOOT 40-14
GENERAL TROUBLESHOOTING POINTS 40-14
SEQUENCE OF EVENTS IN TROUBLESHOOTING 40-15
CHECKS BEFORE TROUBLESHOOTING 40-17
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 40-19
TEST IN ACCORDANCE WITH TESTING PROCEDURE 40-21
PREPARATION TO TROUBLESHOOT ELECTRICAL SYSTEM 40-45
PROCEDURE FOR TROUBLESHOOTING 40-57
SYMPTOM AND TROUBLESHOOTING NUMBERS 40-60
INFORMATION DESCRIBED IN TROUBLESHOOTING 40-72
00 INDEX AND FOREWORD INDEX
WA900-8R 00-5
CONNECTOR AND WIRING HARNESS IDENTIFICATION TABLE 40-75
CONNECTOR LAYOUT 40-287
CONNECTOR CONTACT IDENTIFICATION 40-303
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 40-345
FUSE LOCATION TABLE 40-351
PREPARATION TO TROUBLESHOOT MACHINE MONITOR 40-355
HARNESS CHECKER ON MACHINE MONITOR LCD UNIT 40-357
FAILURE CODE TABLE 40-362
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 40-384
FAILURE CODE [1500L0] 40-384
FAILURE CODE [15B0NX] 40-386
FAILURE CODE [15SAL1] 40-389
FAILURE CODE [15SALH] 40-392
FAILURE CODE [15SBL1] 40-395
FAILURE CODE [15SBLH] 40-398
FAILURE CODE [15SEL1] 40-401
FAILURE CODE [15SELH] 40-404
FAILURE CODE [15SFL1] 40-407
FAILURE CODE [15SFLH] 40-410
FAILURE CODE [15SGL1] 40-413
FAILURE CODE [15SGLH] 40-416
FAILURE CODE [15W0NT] 40-419
FAILURE CODE [2F00MA] 40-421
FAILURE CODE [2F00MB] 40-427
FAILURE CODE [2G42ZG] 40-432
FAILURE CODE [2G43ZG] 40-435
FAILURE CODE [879AKA] 40-438
FAILURE CODE [879AKB] 40-439
FAILURE CODE [879BKA] 40-440
FAILURE CODE [879BKB] 40-443
FAILURE CODE [879CKA] 40-446
FAILURE CODE [879CKB] 40-447
FAILURE CODE [879DKZ] 40-448
FAILURE CODE [879EMC] 40-452
FAILURE CODE [879FMC] 40-453
FAILURE CODE [879GKX] 40-454
FAILURE CODE [989A00] 40-457
FAILURE CODE [989L00] 40-458
FAILURE CODE [989M00] 40-459
FAILURE CODE [989N00] 40-460
FAILURE CODE [AA10NX] 40-461
FAILURE CODE [AB00KE] 40-464
FAILURE CODE [AB00KY] 40-467
FAILURE CODE [B@BAZG] 40-469
FAILURE CODE [B@BAZK] 40-472
FAILURE CODE [B@BCNS] 40-475
FAILURE CODE [B@BCZK] 40-478
FAILURE CODE [B@C6NS] 40-481
FAILURE CODE [B@C7NS] 40-484
FAILURE CODE [B@CENS] 40-487
FAILURE CODE [B@GAZK] 40-490
FAILURE CODE [B@HANS] 40-493
FAILURE CODE [CA115] 40-496
FAILURE CODE [CA122] 40-501
FAILURE CODE [CA123] 40-504
FAILURE CODE [CA131] 40-508
FAILURE CODE [CA132] 40-511
FAILURE CODE [CA135] 40-514
INDEX 00 INDEX AND FOREWORD
00-6 WA900-8R
FAILURE CODE [CA141] 40-517
FAILURE CODE [CA144] 40-520
FAILURE CODE [CA145] 40-523
FAILURE CODE [CA153] 40-526
FAILURE CODE [CA154] 40-530
FAILURE CODE [CA212] 40-534
FAILURE CODE [CA213] 40-537
FAILURE CODE [CA221] 40-540
FAILURE CODE [CA222] 40-543
FAILURE CODE [CA234] 40-547
FAILURE CODE [CA238] 40-549
FAILURE CODE [CA239] 40-552
FAILURE CODE [CA271] 40-555
FAILURE CODE [CA272] 40-558
FAILURE CODE [CA273] 40-560
FAILURE CODE [CA274] 40-563
FAILURE CODE [CA322] 40-565
FAILURE CODE [CA323] 40-568
FAILURE CODE [CA324] 40-571
FAILURE CODE [CA325] 40-574
FAILURE CODE [CA331] 40-577
FAILURE CODE [CA332] 40-580
FAILURE CODE [CA343] 40-583
FAILURE CODE [CA351] 40-590
FAILURE CODE [CA352] 40-598
FAILURE CODE [CA386] 40-602
FAILURE CODE [CA431] 40-606
FAILURE CODE [CA432] 40-610
FAILURE CODE [CA441] 40-615
FAILURE CODE [CA442] 40-619
FAILURE CODE [CA449] 40-623
FAILURE CODE [CA451] 40-626
FAILURE CODE [CA452] 40-629
FAILURE CODE [CA515] 40-632
FAILURE CODE [CA516] 40-634
FAILURE CODE [CA553] 40-637
FAILURE CODE [CA559] 40-640
FAILURE CODE [CA689] 40-646
FAILURE CODE [CA697] 40-651
FAILURE CODE [CA698] 40-653
FAILURE CODE [CA731] 40-655
FAILURE CODE [CA778] 40-663
FAILURE CODE [CA1117] 40-668
FAILURE CODE [CA1135] 40-673
FAILURE CODE [CA1257] 40-684
FAILURE CODE [CA1695] 40-686
FAILURE CODE [CA1696] 40-688
FAILURE CODE [CA1843] 40-691
FAILURE CODE [CA1844] 40-694
FAILURE CODE [CA1942] 40-697
FAILURE CODE [CA2185] 40-699
FAILURE CODE [CA2186] 40-702
FAILURE CODE [CA2249] 40-705
FAILURE CODE [CA2555] 40-712
FAILURE CODE [CA2556] 40-715
FAILURE CODE [CA2765] 40-718
FAILURE CODE [CA4952] 40-720
FAILURE CODE [CB115] 40-723
00 INDEX AND FOREWORD INDEX
WA900-8R 00-7
FAILURE CODE [CB122] 40-728
FAILURE CODE [CB123] 40-731
FAILURE CODE [CB153] 40-735
FAILURE CODE [CB154] 40-739
FAILURE CODE [CB238] 40-743
FAILURE CODE [CB239] 40-746
FAILURE CODE [CB271] 40-749
FAILURE CODE [CB272] 40-752
FAILURE CODE [CB273] 40-754
FAILURE CODE [CB274] 40-757
FAILURE CODE [CB343] 40-759
FAILURE CODE [CB351] 40-766
FAILURE CODE [CB352] 40-774
FAILURE CODE [CB386] 40-777
FAILURE CODE [CB441] 40-780
FAILURE CODE [CB442] 40-784
FAILURE CODE [CB449] 40-788
FAILURE CODE [CB451] 40-791
FAILURE CODE [CB452] 40-794
FAILURE CODE [CB515] 40-797
FAILURE CODE [CB516] 40-799
FAILURE CODE [CB553] 40-802
FAILURE CODE [CB559] 40-805
FAILURE CODE [CB689] 40-811
FAILURE CODE [CB697] 40-816
FAILURE CODE [CB698] 40-818
FAILURE CODE [CB731] 40-820
FAILURE CODE [CB778] 40-829
FAILURE CODE [CB1117] 40-834
FAILURE CODE [CB1257] 40-839
FAILURE CODE [CB1548] 40-841
FAILURE CODE [CB1549] 40-844
FAILURE CODE [CB1551] 40-847
FAILURE CODE [CB1552] 40-850
FAILURE CODE [CB1553] 40-853
FAILURE CODE [CB1622] 40-856
FAILURE CODE [CB2249] 40-859
FAILURE CODE [CB2765] 40-865
FAILURE CODE [CB4952] 40-867
FAILURE CODE [D110L4] 40-870
FAILURE CODE [D162KA] 40-873
FAILURE CODE [D162KB] 40-874
FAILURE CODE [D162KY] 40-875
FAILURE CODE [D180KA] 40-876
FAILURE CODE [D180KB] 40-879
FAILURE CODE [D180KY] 40-882
FAILURE CODE [D191KA] 40-884
FAILURE CODE [D191KB] 40-887
FAILURE CODE [D191KY] 40-890
FAILURE CODE [D192KA] 40-892
FAILURE CODE [D192KB] 40-895
FAILURE CODE [D192KY] 40-898
FAILURE CODE [D19JKZ] 40-900
FAILURE CODE [D19LKA] 40-905
FAILURE CODE [D19LKB] 40-908
FAILURE CODE [D19LKY] 40-911
FAILURE CODE [D1E6KA] 40-913
FAILURE CODE [D1E6KB] 40-916
INDEX 00 INDEX AND FOREWORD
00-8 WA900-8R
FAILURE CODE [D1E6KY] 40-919
FAILURE CODE [D1EFKA] 40-921
FAILURE CODE [D1EFKB] 40-924
FAILURE CODE [D1EFKY] 40-927
FAILURE CODE [D1J0KB] 40-930
FAILURE CODE [D5ZHKA] 40-933
FAILURE CODE [D5ZHKB] 40-936
FAILURE CODE [D5ZHKZ] 40-939
FAILURE CODE [D5ZHL6] 40-943
FAILURE CODE [D862KA] 40-946
FAILURE CODE [DA80KY] 40-949
FAILURE CODE [DA80L4] 40-952
FAILURE CODE [DAF0KT] 40-956
FAILURE CODE [DAF0MB] 40-957
FAILURE CODE [DAF0MC] 40-958
FAILURE CODE [DAF3KK] 40-959
FAILURE CODE [DAF8KB] 40-963
FAILURE CODE [DAFDKB] 40-966
FAILURE CODE [DAFGMC] 40-969
FAILURE CODE [DAFLKA] 40-970
FAILURE CODE [DAFLKB] 40-973
FAILURE CODE [DAFQKR] 40-976
FAILURE CODE [DAQ0KK] 40-987
FAILURE CODE [DAQ0KT] 40-992
FAILURE CODE [DAQ0MC] 40-993
FAILURE CODE [DAQ1KA] 40-994
FAILURE CODE [DAQ2KK] 40-997
FAILURE CODE [DAQ4KB] 40-1001
FAILURE CODE [DAQ9KQ] 40-1004
FAILURE CODE [DAQLKA] 40-1006
FAILURE CODE [DAQLKB] 40-1009
FAILURE CODE [DAQQKR] 40-1012
FAILURE CODE [DAQRKR] 40-1027
FAILURE CODE [DAQRMA] 40-1041
FAILURE CODE [DAZ9KQ] 40-1042
FAILURE CODE [DAZQKR] 40-1044
FAILURE CODE [DB2QKR] 40-1055
FAILURE CODE [DB2RKR] 40-1073
FAILURE CODE [DB90KK] 40-1091
FAILURE CODE [DB90KT] 40-1096
FAILURE CODE [DB90MC] 40-1097
FAILURE CODE [DB91KA] 40-1098
FAILURE CODE [DB92KK] 40-1101
FAILURE CODE [DB95KX] 40-1106
FAILURE CODE [DB96KX] 40-1109
FAILURE CODE [DB97KX] 40-1114
FAILURE CODE [DB99KQ] 40-1117
FAILURE CODE [DB9LKA] 40-1119
FAILURE CODE [DB9LKB] 40-1122
FAILURE CODE [DB9QKR] 40-1125
FAILURE CODE [DB9RKR] 40-1141
FAILURE CODE [DB9RMA] 40-1157
FAILURE CODE [DBE5KX] 40-1159
FAILURE CODE [DBE6KX] 40-1162
FAILURE CODE [DBE7KX] 40-1165
FAILURE CODE [DBP0KM] 40-1169
FAILURE CODE [DBP0KT] 40-1171
FAILURE CODE [DBP0NR] 40-1172
00 INDEX AND FOREWORD INDEX
WA900-8R 00-9
FAILURE CODE [DBP0MC] 40-1173
FAILURE CODE [DBP5KP] 40-1174
FAILURE CODE [DBPLKA] 40-1178
FAILURE CODE [DBPLKB] 40-1182
FAILURE CODE [DBPQKR] 40-1185
FAILURE CODE [DBPRKR] 40-1199
FAILURE CODE [DBPRMA] 40-1212
FAILURE CODE [DBPUKR] 40-1213
FAILURE CODE [DBPVKR] 40-1223
FAILURE CODE [DBPWKR] 40-1231
FAILURE CODE [DBPXKR] 40-1233
FAILURE CODE [DBV0MC] 40-1235
FAILURE CODE [DBV1KK] 40-1236
FAILURE CODE [DBV5KX] 40-1241
FAILURE CODE [DBV6KX] 40-1245
FAILURE CODE [DBV7KX] 40-1249
FAILURE CODE [DBV8KX] 40-1250
FAILURE CODE [DBVLKA] 40-1251
FAILURE CODE [DBVLKB] 40-1255
FAILURE CODE [DBVQK4] 40-1258
FAILURE CODE [DBVQKR] 40-1272
FAILURE CODE [DBVRKR] 40-1286
FAILURE CODE [DBVVKR] 40-1300
FAILURE CODE [DBVWKR] 40-1301
FAILURE CODE [DD1ALD] 40-1303
FAILURE CODE [DDA8KB] 40-1306
FAILURE CODE [DDA9KB] 40-1309
FAILURE CODE [DDAAL6] 40-1312
FAILURE CODE [DDACKA] 40-1316
FAILURE CODE [DDACKY] 40-1321
FAILURE CODE [DDADKA] 40-1325
FAILURE CODE [DDADKY] 40-1329
FAILURE CODE [DDB6L4] 40-1331
FAILURE CODE [DDD1LD] 40-1335
FAILURE CODE [DDDBKA] 40-1338
FAILURE CODE [DDDBKY] 40-1342
FAILURE CODE [DDE2KB] 40-1345
FAILURE CODE [DDE2L6] 40-1348
FAILURE CODE [DDE5KA] 40-1350
FAILURE CODE [DDK4KA] 40-1353
FAILURE CODE [DDK4KB] 40-1357
FAILURE CODE [DDK5L4] 40-1361
FAILURE CODE [DDNRKY] 40-1364
FAILURE CODE [DDNTKY] 40-1367
FAILURE CODE [DDNUKY] 40-1370
FAILURE CODE [DDNWKY] 40-1373
FAILURE CODE [DDNYKB] 40-1375
FAILURE CODE [DDP5KA] 40-1378
FAILURE CODE [DDP6KA] 40-1381
FAILURE CODE [DDP6KY] 40-1384
FAILURE CODE [DDP6NR] 40-1387
FAILURE CODE [DDW9LD] 40-1389
FAILURE CODE [DDWLLD] 40-1392
FAILURE CODE [DF10KA] 40-1395
FAILURE CODE [DF10KB] 40-1396
FAILURE CODE [DGE5KA] 40-1397
FAILURE CODE [DGE5KB] 40-1400
FAILURE CODE [DGF1KA] 40-1403
INDEX 00 INDEX AND FOREWORD
00-10 WA900-8R
FAILURE CODE [DGF1KB] 40-1406
FAILURE CODE [DGH2KX] 40-1409
FAILURE CODE [DGR2KB] 40-1412
FAILURE CODE [DGR2KZ] 40-1416
FAILURE CODE [DGR4KB] 40-1420
FAILURE CODE [DGR4KZ] 40-1424
FAILURE CODE [DGT1KA] 40-1428
FAILURE CODE [DGT1KB] 40-1431
FAILURE CODE [DGT5KA] 40-1434
FAILURE CODE [DGT5KY] 40-1439
FAILURE CODE [DGT6KA] 40-1443
FAILURE CODE [DGT6KY] 40-1448
FAILURE CODE [DH21KA] 40-1452
FAILURE CODE [DH21KY] 40-1456
FAILURE CODE [DHA4KA] 40-1459
FAILURE CODE [DHPAKA] 40-1462
FAILURE CODE [DHPAKY] 40-1466
FAILURE CODE [DHPCKA] 40-1469
FAILURE CODE [DHPCKY] 40-1473
FAILURE CODE [DHPDKA] 40-1476
FAILURE CODE [DHPDKY] 40-1480
FAILURE CODE [DHPSKA] 40-1483
FAILURE CODE [DHPSKY] 40-1487
FAILURE CODE [DHT2L6] 40-1490
FAILURE CODE [DHT3KX] 40-1493
FAILURE CODE [DHT5KX] 40-1497
FAILURE CODE [DHT7KX] 40-1501
FAILURE CODE [DHT8KA] 40-1505
FAILURE CODE [DHT8KY] 40-1508
FAILURE CODE [DHTAKX] 40-1510
FAILURE CODE [DHTBKA] 40-1514
FAILURE CODE [DHTBKY] 40-1518
FAILURE CODE [DHU2KA] 40-1521
FAILURE CODE [DHU2KY] 40-1524
FAILURE CODE [DHU3KA] 40-1527
FAILURE CODE [DHU3KY] 40-1530
FAILURE CODE [DJF1KA] 40-1533
FAILURE CODE [DJG1KX] 40-1536
FAILURE CODE [DJG2KX] 40-1540
FAILURE CODE [DK30KA] 40-1544
FAILURE CODE [DK30KY] 40-1548
FAILURE CODE [DK55KA] 40-1551
FAILURE CODE [DK55KY] 40-1552
FAILURE CODE [DK55L5] 40-1553
FAILURE CODE [DK59KA] 40-1554
FAILURE CODE [DK59KY] 40-1558
FAILURE CODE [DK59L8] 40-1561
FAILURE CODE [DK5AKA] 40-1566
FAILURE CODE [DK5AKY] 40-1570
FAILURE CODE [DK5BKA] 40-1573
FAILURE CODE [DK5BKY] 40-1577
FAILURE CODE [DK5BL8] 40-1580
FAILURE CODE [DK5CKA] 40-1584
FAILURE CODE [DK5CKY] 40-1588
FAILURE CODE [DKA0KA] 40-1591
FAILURE CODE [DKA0KY] 40-1595
FAILURE CODE [DKA0L0] 40-1598
FAILURE CODE [DKA1KA] 40-1601
00 INDEX AND FOREWORD INDEX
WA900-8R 00-11
FAILURE CODE [DKA1KY] 40-1605
FAILURE CODE [DKD0KA] 40-1608
FAILURE CODE [DKD0KY] 40-1611
FAILURE CODE [DKD0L8] 40-1613
FAILURE CODE [DKR2KX] 40-1615
FAILURE CODE [DKR2NX] 40-1619
FAILURE CODE [DKR3KX] 40-1622
FAILURE CODE [DKR3NX] 40-1626
FAILURE CODE [DLFAKA] 40-1629
FAILURE CODE [DLFALC] 40-1632
FAILURE CODE [DLFFLC] 40-1635
FAILURE CODE [DLM3KA] 40-1639
FAILURE CODE [DLM3LC] 40-1642
FAILURE CODE [DLT3KA] 40-1645
FAILURE CODE [DLT3LC] 40-1648
FAILURE CODE [DLT4KB] 40-1651
FAILURE CODE [DLT4KX] 40-1654
FAILURE CODE [DNDBL4] 40-1657
FAILURE CODE [DPQ1KR] 40-1660
FAILURE CODE [DPQ1LD] 40-1666
FAILURE CODE [DPQ2KR] 40-1672
FAILURE CODE [DPQ3KR] 40-1679
FAILURE CODE [DPQ4KB] 40-1685
FAILURE CODE [DQ11KQ] 40-1687
FAILURE CODE [DQ11KR] 40-1692
FAILURE CODE [DQ11KT] 40-1695
FAILURE CODE [DQ11MA] 40-1698
FAILURE CODE [DQ11NR] 40-1702
FAILURE CODE [DQ12KQ] 40-1705
FAILURE CODE [DQ12KR] 40-1710
FAILURE CODE [DQ12KT] 40-1713
FAILURE CODE [DQ12MA] 40-1716
FAILURE CODE [DQ12NR] 40-1720
FAILURE CODE [DQ13KQ] 40-1723
FAILURE CODE [DQ13KR] 40-1728
FAILURE CODE [DQ13KT] 40-1731
FAILURE CODE [DQ13MA] 40-1734
FAILURE CODE [DQ13NR] 40-1738
FAILURE CODE [DQ14KQ] 40-1741
FAILURE CODE [DQ14KR] 40-1746
FAILURE CODE [DQ14KT] 40-1749
FAILURE CODE [DQ14MA] 40-1752
FAILURE CODE [DQ14NR] 40-1757
FAILURE CODE [DR10KA] 40-1760
FAILURE CODE [DR20KA] 40-1764
FAILURE CODE [DR30KA] 40-1768
FAILURE CODE [DR40KA] 40-1772
FAILURE CODE [DR50KA] 40-1776
FAILURE CODE [DR60KA] 40-1780
FAILURE CODE [DSJ0KR] 40-1784
FAILURE CODE [DT22KB] 40-1794
FAILURE CODE [DUMBKB] 40-1797
FAILURE CODE [DV00KB] 40-1800
FAILURE CODE [DV01KB] 40-1803
FAILURE CODE [DW4PKA] 40-1806
FAILURE CODE [DW4PKB] 40-1809
FAILURE CODE [DW4PKY] 40-1812
FAILURE CODE [DW4QKA] 40-1815
INDEX 00 INDEX AND FOREWORD
00-12 WA900-8R
FAILURE CODE [DW4QKB] 40-1818
FAILURE CODE [DW4QKY] 40-1821
FAILURE CODE [DW4RKA] 40-1824
FAILURE CODE [DW4RKB] 40-1827
FAILURE CODE [DW4RKY] 40-1830
FAILURE CODE [DW4SKA] 40-1833
FAILURE CODE [DW4SKB] 40-1836
FAILURE CODE [DW4SKY] 40-1839
FAILURE CODE [DW5PKA] 40-1842
FAILURE CODE [DW5PKB] 40-1845
FAILURE CODE [DW5PKY] 40-1848
FAILURE CODE [DW5QKA] 40-1851
FAILURE CODE [DW5QKB] 40-1854
FAILURE CODE [DW5QKY] 40-1857
FAILURE CODE [DW5RKA] 40-1860
FAILURE CODE [DW5RKB] 40-1863
FAILURE CODE [DW5RKY] 40-1866
FAILURE CODE [DW5SKA] 40-1869
FAILURE CODE [DW5SKB] 40-1872
FAILURE CODE [DW5SKY] 40-1875
FAILURE CODE [DW7BKA] 40-1878
FAILURE CODE [DW7BKB] 40-1881
FAILURE CODE [DW7BKY] 40-1884
FAILURE CODE [DWM1KA] 40-1886
FAILURE CODE [DWM1KB] 40-1889
FAILURE CODE [DWM1KY] 40-1892
FAILURE CODE [DWN6KA] 40-1894
FAILURE CODE [DWN6KB] 40-1897
FAILURE CODE [DWN6KY] 40-1900
FAILURE CODE [DWN8KA] 40-1903
FAILURE CODE [DWN8KB] 40-1906
FAILURE CODE [DWN8KY] 40-1909
FAILURE CODE [DWNFKA] 40-1912
FAILURE CODE [DWNFKB] 40-1915
FAILURE CODE [DWNFKY] 40-1918
FAILURE CODE [DWNVKA] 40-1920
FAILURE CODE [DWNVKB] 40-1923
FAILURE CODE [DWNVKY] 40-1926
FAILURE CODE [DX16KA] 40-1928
FAILURE CODE [DX16KB] 40-1931
FAILURE CODE [DX16KY] 40-1934
FAILURE CODE [DXA1KA] 40-1936
FAILURE CODE [DXA1KB] 40-1939
FAILURE CODE [DXA1KY] 40-1942
FAILURE CODE [DXA8KA] 40-1944
FAILURE CODE [DXA8KB] 40-1947
FAILURE CODE [DXA8KY] 40-1950
FAILURE CODE [DXANKA] 40-1952
FAILURE CODE [DXANKB] 40-1955
FAILURE CODE [DXANKY] 40-1958
FAILURE CODE [DXF0KA] 40-1960
FAILURE CODE [DXF0KB] 40-1963
FAILURE CODE [DXF0KY] 40-1966
FAILURE CODE [DXF5KA] 40-1968
FAILURE CODE [DXF5KB] 40-1971
FAILURE CODE [DXF5KY] 40-1974
FAILURE CODE [DXF6KA] 40-1976
FAILURE CODE [DXF6KB] 40-1979
00 INDEX AND FOREWORD INDEX
WA900-8R 00-13
FAILURE CODE [DXF6KY] 40-1982
FAILURE CODE [DXH4KA] 40-1984
FAILURE CODE [DXH4KB] 40-1987
FAILURE CODE [DXH4KY] 40-1990
FAILURE CODE [DXH5KA] 40-1992
FAILURE CODE [DXH5KB] 40-1995
FAILURE CODE [DXH5KY] 40-1998
FAILURE CODE [DXH6KA] 40-2000
FAILURE CODE [DXH6KB] 40-2003
FAILURE CODE [DXH6KY] 40-2006
FAILURE CODE [DXH7KA] 40-2008
FAILURE CODE [DXH7KB] 40-2011
FAILURE CODE [DXH7KY] 40-2014
FAILURE CODE [DXH8KA] 40-2016
FAILURE CODE [DXH8KB] 40-2019
FAILURE CODE [DXH8KY] 40-2022
FAILURE CODE [DXHPKA] 40-2024
FAILURE CODE [DXHPKB] 40-2027
FAILURE CODE [DXHPKY] 40-2030
FAILURE CODE [DXHPMA] 40-2033
FAILURE CODE [DXHPMB] 40-2036
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 40-2039
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 40-2039
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK 40-2054
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK (FOR MACHINES WITHOUT PRE-LUBRICATION
SYSTEM) 40-2062
E-4 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK (FOR MACHINES WITH PRE-LUBRICATION
SYSTEM) 40-2069
E-5 WHILE PREHEATING IS IN OPERATION, PREHEATING DISPLAY DOES NOT LIGHT UP40-2076
E-6 NONE OF LCD UNIT, LED UNIT, AND METER UNIT ON MACHINE MONITOR DISPLAY ANYTHING
40-2080
E-7 LCD UNIT ON MACHINE MONITOR DISPLAYS NOTHING 40-2090
E-8 BACKLIGHT OF LCD UNIT ON MACHINE MONITOR IS ABNORMAL (BACKLIGHT GOES OFF
OR FLICKERS) 40-2093
E-9 LCD UNIT ON MACHINE MONITOR IS ABNORMAL 40-2096
E-10 METER UNIT DISPLAY ON MACHINE MONITOR IS ABNORMAL 40-2099
E-11 NIGHT MODE LAMP OF METER UNIT ON MACHINE MONITOR IS ABNORMAL 40-2104
E-12 LED UNIT LAMP ON MACHINE MONITOR IS ABNORMAL 40-2108
E-13 NIGHT MODE LAMP OF SWITCH PANEL ON MACHINE MONITOR IS ABNORMAL OR
SWITCHES DOES NOT OPERATE PROPERLY 40-2113
E-14 TWO SWITCHES OPERATION OF SWITCH PANEL ON MACHINE MONITOR DOES NOT
FUNCTION 40-2118
E-15 SWITCH PANEL BUZZER OF MACHINE MONITOR IS ABNORMAL 40-2123
E-16 SOME ITEMS OF GAUGES AND CAUTION LAMPS ON MACHINE MONITOR ARE NOT DISPLAYED
PROPERLY 40-2128
E-17 REARVIEW MONITOR DOES NOT LIGHT UP OR BACKLIGHT FLICKERS 40-2129
E-18 REARVIEW MONITOR IMAGES ARE NOT DISPLAYED CLEARLY 40-2134
E-19 REARVIEW MONITOR BRIGHTNESS CANNOT BE ADJUSTED 40-2140
E-20 NIGHT MODE LAMP OF REARVIEW MONITOR IS ABNORMAL 40-2146
E-21 AIR CLEANER CLOGGING CAUTION LAMP DOES NOT LIGHT UP 40-2150
E-22 RADIATOR COOLANT LEVEL CAUTION LAMP DOES NOT LIGHT UP 40-2153
E-23 PARKING BRAKE INDICATOR LAMP DOES NOT LIGHT UP WHEN PARKING BRAKE IS ON
(PARKING) POSITION 40-2156
E-24 BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP WHEN FRONT BRAKE ACCUMULATOR
OIL PRESSURE IS LOW 40-2165
E-25 BRAKE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP WHEN REAR BRAKE ACCUMULATOR
OIL PRESSURE IS LOW 40-2169
E-26 FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL 40-2173
INDEX 00 INDEX AND FOREWORD
00-14 WA900-8R
E-27 TORQUE CONVERTER OIL TEMPERATURE GAUGE DOES NOT RISE OR TORQUE CONVERTER
OIL TEMPERATURE CAUTION LAMP DOES NOT LIGHT UP 40-2176
E-28 HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT RISE OR HYDRAULIC OIL TEMPERATURE
CAUTION LAMP DOES NOT LIGHT UP 40-2178
E-29 SEATBELT CAUTION LAMP DOES NOT INDICATE NORMALLY 40-2180
E-30 ALARM BUZZER DOES NOT SOUND 40-2183
E-31 ALARM BUZZER DOES NOT STOP 40-2185
E-32 KICKDOWN DOES NOT OPERATE WHEN KICKDOWN SWITCH IS ON POSITION 40-2187
E-33 HOLD DOES NOT OPERATE WHEN HOLD SWITCH IS ON POSITION 40-2190
E-34 PARKING BRAKE DOES NOT OPERATE EVEN IF IT IS APPLIED, OR THE BRAKE DRAGS IN
FORWARD OR REVERSE TRAVEL WHEN PARKING BRAKE IS RELEASED 40-2193
E-35 LOADER PUMP1 OR LOADER PUMP 2 IS FIXED TO THE MINIMUM FLOW 40-2201
E-36 ECSS DOES NOT OPERATE OR CANNOT BE DEACTIVATED 40-2204
E-37 HORN DOES NOT SOUND 40-2207
E-38 HORN DOES NOT STOP 40-2212
E-39 NONE OF HEADLAMP, CLEARANCE LAMP, OR TAIL LAMP LIGHTS UP 40-2215
E-40 CLEARANCE LAMP AND TAIL LAMP DO NOT LIGHT UP OR GO OFF 40-2219
E-41 HEADLAMP DO NOT LIGHT UP OR GO OFF 40-2225
E-42 SIDE WORKING LAMP DOES NOT LIGHT UP OR GO OFF 40-2231
E-43 FRONT WORKING LAMP DOES NOT LIGHT UP OR GO OFF 40-2236
E-44 REAR WORKING LAMP DOES NOT LIGHT UP OR GO OFF 40-2243
E-45 NONE OF TURN SIGNAL LAMP OR HAZARD LAMP LIGHTS UP OR GO OFF 40-2250
E-46 TURN SIGNAL LAMP DOES NOT LIGHT UP OR GO OFF 40-2256
E-47 HAZARD LAMP DOES NOT LIGHT UP OR GO OFF 40-2263
E-48 BRAKE LAMP DOES NOT LIGHT UP OR STAYS LIT 40-2269
E-49 BACKUP LAMP DOES NOT LIGHT UP OR STAYS LIT 40-2274
E-50 STAIRCASE LIGHT DOES NOT LIGHT UP OR GO OFF 40-2278
E-51 ENGINE ROOM LAMP DOES NOT LIGHT UP OR GO OFF 40-2284
E-52 FOG LAMP DOES NOT LIGHT UP OR GO OFF 40-2289
E-53 YELLOW REVOLVING LAMP DOES NOT LIGHT UP OR GO OFF 40-2294
E-54 BACKUP BUZZER DOES NOT SOUND OR DOES NOT STOP 40-2299
E-55 FRONT WIPER DOES NOT OPERATE 40-2303
E-56 REAR WIPER DOES NOT OPERATE 40-2308
E-57 SIDE WIPER DOES NOT OPERATE 40-2313
E-58 FUEL FEED PUMP DOES NOT OPERATE OR DOES NOT STOP AUTOMATICALLY 40-2318
E-59 FRONT WINDOW WASHER DOES NOT OPERATE 40-2326
E-60 REAR WINDOW WASHER DOES NOT OPERATE 40-2330
E-61 SIDE WINDOW WASHER DOES NOT OPERATE 40-2334
E-62 POWER LADDER DOES NOT OPERATE 40-2338
E-63 SHOCK IS LARGE WHEN POWER LADDER STOPS 40-2345
E-64 PARKING STATUS CANNOT BE CANCELLED WHILE POWER LADDER IS STORED 40-2349
E-65 AUTO-DIGGING FUNCTION DOES NOT OPERATE 40-2352
E-66 SEMI-AUTO APPROACH FUNCTION DOES NOT OPERATE 40-2356
E-67 SEMI-AUTO DUMP FUNCTION DOES NOT OPERATE 40-2360
E-68 KOMTRAX Plus SYSTEM DOES NOT OPERATE NORMALLY 40-2365
E-69 DATA DOWNLOAD WITH WIRELESS LAN DOES NOT OPERATE 40-2368
E-70 KomVision MONITOR DOES NOT LIGHT UP OR BACKLIGHT FLICKERS 40-2369
E-71 KomVision MONITOR IMAGES ARE NOT DISPLAYED CLEARLY 40-2374
E-72 KomVision MONITOR BRIGHTNESS CANNOT BE ADJUSTED 40-2382
E-73 NIGHT MODE LAMP OF KomVision MONITOR IS ABNORMAL 40-2388
E-74 KomVision MONITOR DOES NOT DISPLAY CAMERA IMAGE PARTIALLY 40-2392
E-75 KomVision MONITOR DOES NOT DISPLAY NORMALLY AFTER CALIBRATION 40-2394
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 40-2396
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE (H MODE) 40-2396
FAILURE MODE AND CAUSE TABLE 40-2397
H-1 MACHINE DOES NOT MOVE 40-2411
H-2 TRAVEL SPEED IS SLOW, BUCKET THRUST FORCE IS WEAK, GRADEABILITY IS LOW, OR
GEAR DOES NOT SHIFT 40-2420
00 INDEX AND FOREWORD INDEX
WA900-8R 00-15
H-3 STRONG SHOCKS ARE MADE WHEN YOU START MACHINE OR SHIFT GEARS 40-2428
H-4 TIME LAG IS LARGE WHEN YOU START MACHINE OR SHIFT GEARS 40-2434
H-5 TORQUE CONVERTER OIL TEMPERATURE IS HIGH 40-2440
H-6 MACHINE DOES NOT TURN 40-2446
H-7 TURNING RESPONSE IS POOR 40-2452
H-8 MACHINE SWAYS OR STRONG SHOCKS ARE MADE WHILE MACHINE TURNS 40-2458
H-9 WHEEL BRAKES DO NOT WORK OR ARE WEAK 40-2463
H-10 WHEEL BRAKES ARE NOT RELEASED OR DRAG 40-2467
H-11 PARKING BRAKE DOES NOT WORK OR IS WEAK 40-2469
H-12 PARKING BRAKE IS NOT RELEASED OR DRAGS 40-2471
H-13 BOOM DOES NOT RISE 40-2475
H-14 BOOM MOVES SLOW OR LACKS LIFTING FORCE 40-2481
H-15 RISING BOOM SLOWS DOWN AT CERTAIN HEIGHT 40-2487
H-16 LIFT CYLINDER DOES NOT HOLD BUCKET ON GROUND 40-2488
H-17 HYDRAULIC DRIFT OF BOOM IS LARGE 40-2492
H-18 BOOM MOVES UP AND DOWN DURING OPERATION 40-2494
H-19 BUCKET DOES NOT TILT BACK 40-2496
H-20 BUCKET MOVES SLOW OR LACKS TILT BACK FORCE 40-2503
H-21 BUCKET SLOWS DOWN DURING TILT BACK OPERATION 40-2510
H-22 BUCKET CYLINDER DOES NOT HOLD BUCKET ON GROUND 40-2511
H-23 HYDRAULIC DRIFT OF BUCKET IS LARGE 40-2515
H-24 BUCKET TILTS BACK AND FORTH DURING CARRYING LOAD 40-2517
H-25 BOOM AND BUCKET CONTROL LEVERS DO NOT MOVE SMOOTHLY AND ARE HEAVY TO
MOVE 40-2519
H-26 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS WHEN YOU OPERATE WORK
EQUIPMENT 40-2521
H-27 STRONG SHOCKS ARE MADE WHEN YOU MOVE OR STOP WORK EQUIPMENT 40-2525
H-28 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT
MOVES 40-2532
H-29 ECSS DOES NOT OPERATE AND MACHINE PITCHES AND BOUNCES 40-2533
H-30 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR DOES NOT MOVE) 40-2536
H-31 UNUSUAL NOISE IS HEARD FROM AROUND FAN 40-2540
TROUBLESHOOTING OF ENGINE (S-MODE) 40-2541
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE (S MODE) 40-2541
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION
40-2542
S-2 ENGINE CRANKS BUT DOES NOT START 40-2544
S-3 FUEL IS INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT
DOES NOT START) 40-2549
S-4 ENGINE STARTABILITY IS POOR 40-2556
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 40-2563
S-6 ENGINE STOPS DURING OPERATION 40-2570
S-7 ENGINE RUNS ROUGH OR IS NOT STABLE 40-2577
S-8 ENGINE LACKS POWER 40-2583
S-9 EXHAUST IS BLACK 40-2589
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 40-2594
S-11 OIL BECOMES CONTAMINATED QUICKLY 40-2598
S-12 FUEL CONSUMPTION IS EXCESSIVE 40-2601
S-13 OIL MIXES INTO COOLANT (OR COOLANT SPURTS BACK AND COOLANT LEVEL DOES
DOWN) 40-2605
S-14 ENGINE OIL PRESSURE DROPS 40-2607
S-15 FUEL MIXES INTO ENGINE OIL 40-2611
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 40-2613
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEAT) 40-2615
S-18 UNUSUAL NOISE COMES OUT 40-2619
S-19 VIBRATION IS EXCESSIVE 40-2622
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT 40-2625
50 DISASSEMBLY AND ASSEMBLY 50-1
INDEX 00 INDEX AND FOREWORD
00-16 WA900-8R
CONTENTS 50-2
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY 50-8
HOW TO READ THIS MANUAL 50-8
COATING MATERIALS LIST 50-10
SPECIAL TOOLS LIST 50-14
SKETCHES OF SPECIAL TOOLS 50-32
ENGINE AND COOLING SYSTEM 50-45
REMOVE AND INSTALL MUFFLER ASSEMBLY 50-45
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY (RIGHT BANK) 50-56
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY (LEFT BANK) 50-84
REMOVE AND INSTALL INJECTOR ASSEMBLY (RIGHT BANK) 50-102
REMOVE AND INSTALL INJECTOR ASSEMBLY (LEFT BANK) 50-126
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY (RIGHT BANK) 50-151
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY (LEFT BANK) 50-212
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY 50-285
REMOVE AND INSTALL ALTERNATOR BELT 50-292
REMOVE AND INSTALL ALTERNATOR ASSEMBLY 50-299
REMOVE AND INSTALL COOLING ASSEMBLY 50-308
REMOVE AND INSTALL RADIATOR CORE 50-344
REMOVE AND INSTALL RADIATOR RESERVOIR TANK ASSEMBLY 50-360
REMOVE AND INSTALL COOLING FAN AND FAN MOTOR ASSEMBLY 50-365
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 50-374
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY 50-378
REMOVE AND INSTALL POWER TRAIN OIL COOLER ASSEMBLY 50-393
REMOVE AND INSTALL BRAKE COOLER 50-397
REMOVE AND INSTALL ENGINE ASSEMBLY 50-400
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 50-453
REMOVE AND INSTALL ENGINE REAR OIL SEAL 50-457
REMOVE AND INSTALL TURBOCHARGER ASSEMBLY (RIGHT BANK) 50-462
REMOVE AND INSTALL TURBOCHARGER ASSEMBLY (LEFT BANK) 50-477
REMOVE AND INSTALL UPPER PORTION OF ENGINE 50-493
REMOVE AND INSTALL TOP HOOD ASSEMBLY 50-507
REMOVE AND INSTALL FUEL TANK ASSEMBLY 50-512
REMOVE AND INSTALL AIR CLEANER ASSEMBLY 50-529
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY 50-533
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY 50-539
DRAIN AND ADD COOLANT 50-545
POWER TRAIN 50-549
REMOVE AND INSTALL DAMPER ASSEMBLY 50-549
DISASSEMBLE AND ASSEMBLE DAMPER ASSEMBLY 50-556
REMOVE AND INSTALL TRANSMISSION, TRANSFER ASSEMBLY AND TORQUE CONVERTER,
INPUT TRANSFER, PTO ASSEMBLY 50-564
DISCONNECT AND CONNECT TRANSMISSION, TRANSFER ASSEMBLY AND TORQUE CONVERTER,
INPUT TRANSFER, PTO ASSEMBLY 50-619
DISCONNECT AND CONNECT TORQUE CONVERTER, INPUT TRANSFER AND PTO ASSEMBLY
50-633
DISASSEMBLE AND ASSEMBLE TORQUE CONVERTER ASSEMBLY 50-639
DISASSEMBLE AND ASSEMBLE INPUT TRANSFER AND PTO ASSEMBLY 50-647
DISCONNECT AND CONNECT TRANSMISSION AND TRANSFER ASSEMBLY 50-682
DISASSEMBLE AND ASSEMBLE TRANSMISSION ASSEMBLY 50-685
DISASSEMBLE AND ASSEMBLE TRANSFER ASSEMBLY 50-715
REMOVE AND INSTALL PARKING BRAKE ASSEMBLY 50-739
DISASSEMBLE AND ASSEMBLE PARKING BRAKE ASSEMBLY 50-747
DRAIN AND ADD TRANSMISSION OIL 50-754
REMOVE AND INSTALL FRONT AXLE ASSEMBLY 50-756
REMOVE AND INSTALL REAR AXLE ASSEMBLY 50-772
REMOVE AND INSTALL CENTER SUPPORT ASSEMBLY 50-788
DISASSEMBLE AND ASSEMBLE CENTER SUPPORT ASSEMBLY 50-795
00 INDEX AND FOREWORD INDEX
WA900-8R 00-17
REMOVE AND INSTALL DIFFERENTIAL ASSEMBLY 50-802
DISASSEMBLE AND ASSEMBLE DIFFERENTIAL ASSEMBLY 50-810
REMOVE AND INSTALL FINAL DRIVE CARRIER ASSEMBLY 50-844
DISASSEMBLE AND ASSEMBLE FINAL DRIVE CARRIER ASSEMBLY 50-849
REMOVE AND INSTALL FRONT FINAL DRIVE AND BRAKE ASSEMBLY 50-854
DISASSEMBLE AND ASSEMBLE FINAL DRIVE AND BRAKE ASSEMBLY 50-863
STEERING SYSTEM 50-891
REMOVE AND INSTALL STEERING VALVE ASSEMBLY 50-891
REMOVE AND INSTALL ROTARY VALVE ASSEMBLY 50-909
BRAKE SYSTEM 50-915
REMOVE AND INSTALL RIGHT BRAKE VALVE ASSEMBLY 50-915
REMOVE AND INSTALL LEFT BRAKE VALVE ASSEMBLY 50-924
REMOVE AND INSTALL BRAKE ACCUMULATOR ASSEMBLY 50-931
UNDERCARRIAGE AND FRAME 50-938
REMOVE AND INSTALL FRONT WHEEL ASSEMBLY 50-938
REMOVE AND INSTALL REAR WHEEL ASSEMBLY 50-943
REMOVE AND INSTALL CENTER HINGE PIN 50-955
REMOVE AND INSTALL BUMPER ASSEMBLY 50-988
HYDRAULIC SYSTEM 50-995
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 50-995
REMOVE AND INSTALL WORK EQUIPMENT PUMP, PILOT AND BRAKE CHARGE PUMP ASSEMBLY
50-1011
REMOVE AND INSTALL WORK EQUIPMENT PUMP AND BRAKE COOLING DUPLEX PUMP ASSEMBLY
50-1021
REMOVE AND INSTALL SECONDARY STEERING PUMP ASSEMBLY 50-1030
REMOVE AND INSTALL STEERING PUMP ASSEMBLY 50-1034
REMOVE AND INSTALL COOLING PUMP AND COOLING FAN PUMP ASSEMBLY 50-1046
REMOVE AND INSTALL TRANSMISSION AND TORQUE CONVERTER LUBRICATION TRIPLEX
PUMP ASSEMBLY 50-1058
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY 50-1063
REMOVE AND INSTALL DIVERTER VALVE ASSEMBLY 50-1088
DRAIN AND ADD HYDRAULIC OIL 50-1095
WORK EQUIPMENT 50-1098
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 50-1098
DISASSEMBLE AND ASSEMBLE STEERING CYLINDER ASSEMBLY 50-1114
DISASSEMBLE AND ASSEMBLE BUCKET CYLINDER ASSEMBLY 50-1121
DISASSEMBLE AND ASSEMBLE LIFT CYLINDER ASSEMBLY 50-1128
REMOVE AND INSTALL BOOM END (BUCKET HINGE) BUSHING 50-1135
CAB RELATED PARTS 50-1137
REMOVE AND INSTALL ROPS ASSEMBLY 50-1137
REMOVE AND INSTALL OPERATOR CAB ASSEMBLY AND FLOOR FRAME ASSEMBLY 50-1147
REMOVE AND INSTALL OPERATOR CAB ASSEMBLY 50-1171
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) 50-1201
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 50-1211
REMOVE AND INSTALL OPERATOR’S SEAT ASSEMBLY 50-1226
REMOVE AND INSTALL WORK EQUIPMENT CONTROL LEVER 50-1233
REMOVE AND INSTALL SEATBELT 50-1241
REMOVE AND INSTALL AJSS LEVER SWITCH ASSEMBLY 50-1244
ELECTRICAL SYSTEM 50-1255
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 50-1255
REMOVE AND INSTALL WORK EQUIPMENT CONTROLLER ASSEMBLY 50-1267
REMOVE AND INSTALL TRANSMISSION CONTROLLER ASSEMBLY 50-1274
REMOVE AND INSTALL MONITOR CONTROLLER ASSEMBLY 50-1281
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 50-1288
REMOVE AND INSTALL CRANKCASE PRESSURE SENSOR 50-1293
REMOVE AND INSTALL KomVision CAMERA ASSEMBLY 50-1297
REMOVE AND INSTALL KomVision RADAR ASSEMBLY 50-1320
REMOVE AND INSTALL KomVision CONTROLLER 50-1328
INDEX 00 INDEX AND FOREWORD
00-18 WA900-8R
REMOVE AND INSTALL KOMTRAX Plus CONTROLLER ASSEMBLY 50-1332
REMOVE AND INSTALL WIRELESS LAN UNIT ASSEMBLY 50-1336
60 MAINTENANCE STANDARD 60-1
CONTENTS 60-2
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 60-3
ENGINE AND COOLING SYSTEM 60-5
MAINTENANCE STANDARD OF ENGINE MOUNT 60-5
MAINTENANCE STANDARD OF DAMPER 60-6
MAINTENANCE STANDARD OF COOLING FAN PUMP 60-8
MAINTENANCE STANDARD OF COOLING FAN MOTOR 60-11
POWER TRAIN 60-14
MAINTENANCE STANDARD OF DRIVE SHAFT 60-14
MAINTENANCE STANDARD OF CENTER SUPPORT 60-15
MAINTENANCE STANDARD OF TRANSMISSION MOUNT 60-17
MAINTENANCE STANDARD OF TORQUE FLOW ASSEMBLY 60-19
MAINTENANCE STANDARD OF TORQUE CONVERTER 60-21
MAINTENANCE STANDARD OF MODULATION CLUTCH 60-28
MAINTENANCE STANDARD OF VALVE ASSEMBLY (FOR MAIN RELIEF AND TORQUE CONVERTER
RELIEF) 60-30
MAINTENANCE STANDARD OF TORQUE CONVERTER REGULATOR VALVE 60-32
MAINTENANCE STANDARD OF TRANSMISSION 60-34
MAINTENANCE STANDARD OF TRANSMISSION CONTROL VALVE 60-42
MAINTENANCE STANDARD OF F, R, 1ST, 2ND, 3RD CLUTCH ECMV 60-43
MAINTENANCE STANDARD OF MODULATION CLUTCH ECMV 60-45
MAINTENANCE STANDARD OF TRANSMISSION LUBRICATION RELIEF VALVE 60-47
MAINTENANCE STANDARD OF FRONT AXLE 60-48
MAINTENANCE STANDARD OF REAR AXLE 60-50
MAINTENANCE STANDARD OF FRONT DIFFERENTIAL 60-52
MAINTENANCE STANDARD OF REAR DIFFERENTIAL 60-56
MAINTENANCE STANDARD OF FINAL DRIVE 60-60
STEERING SYSTEM 60-62
MAINTENANCE STANDARD OF STEERING PUMP 60-62
MAINTENANCE STANDARD OF STEERING CYLINDER 60-65
BRAKE SYSTEM 60-67
MAINTENANCE STANDARD OF BRAKE 60-67
MAINTENANCE STANDARD OF PARKING BRAKE 60-69
MAINTENANCE STANDARD OF PARKING BRAKE CIRCUIT CHECK VALVE 60-71
UNDERCARRIAGE AND FRAME 60-72
MAINTENANCE STANDARD OF FRAME, AXLE MOUNT AND CENTER HINGE PIN 60-72
HYDRAULIC SYSTEM 60-79
MAINTENANCE STANDARD OF HYDRAULIC TANK 60-79
MAINTENANCE STANDARD OF WORK EQUIPMENT PUMP 60-81
MAINTENANCE STANDARD OF CONTROL VALVE 60-84
WORK EQUIPMENT 60-97
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 60-97
MAINTENANCE STANDARD OF BUCKET 60-101
MAINTENANCE STANDARD OF LIFT CYLINDER 60-102
MAINTENANCE STANDARD OF BUCKET CYLINDER 60-103
CAB RELATED PARTS 60-104
MAINTENANCE STANDARD OF CAB MOUNT 60-104
80 OTHERS 80-1
CONTENTS 80-2
AIR CONDITIONER SYSTEM 80-4
PRECAUTIONS FOR REFRIGERANT 80-4
AIR CONDITIONER 80-5
SPECIFICATIONS OF AIR CONDITIONER 80-7
STRUCTURE AND FUNCTION OF REFRIGERATION CYCLE 80-8
OUTLINE OF REFRIGERATION CYCLE 80-9
00 INDEX AND FOREWORD INDEX
WA900-8R 00-19
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 80-11
AIR CONDITIONER UNIT 80-14
AIR CONDITIONER CONTROLLER 80-18
COMPRESSOR 80-19
CONDENSER 80-21
RECEIVER DRIER 80-23
AIR CONDITIONER RELATED SENSORS 80-24
PROCEDURE FOR TESTING AND TROUBLESHOOTING AIR CONDITIONER 80-25
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER 80-27
AIR CONDITIONER SYSTEM DIAGRAM 80-29
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER 80-30
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
80-32
TEST AIR LEAKAGE (DUCT) 80-36
TEST AIR CONDITIONER WITH SELF-DIAGNOSIS FUNCTION 80-38
TEST VENT (MODE) CHANGEOVER 80-40
TEST FRESH/RECIRC AIR CHANGEOVER 80-41
TEST SUNLIGHT SENSOR 80-42
TEST (TRIPLE) PRESSURE SWITCH FOR REFRIGERANT 80-43
TEST RELAYS 80-45
AIR CONDITIONER TROUBLESHOOTING CHART 1 80-46
AIR CONDITIONER TROUBLESHOOTING CHART 2 80-48
INFORMATION DESCRIBED IN TROUBLESHOOTING 80-51
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 80-54
TROUBLESHOOTING OF AIR CONDITIONER SYSTEM (A-MODE) 80-73
CONNECT SERVICE TOOL 80-101
KomVision SYSTEM 80-105
STRUCTURE AND OPERATION OF KomVision SYSTEM 80-105
TEST AND ADJUST KomVision SYSTEM 80-125
CAMERA CALIBRATION 80-145
ADJUST RADAR (FOR MACHINE WITH RADAR) 80-178
TROUBLESHOOTING FOR KomVision SYSTEM 80-185
90 CIRCUIT DIAGRAMS 90-1
CONTENTS 90-2
HOW TO READ THE CODES FOR ELECTRIC CABLE 90-4
HYDRAULIC CIRCUIT DIAGRAM 90-8
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 90-8
HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT 90-13
POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM 90-15
HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT (COMBINATION OF FORWARD 1ST
TRAVEL, BOOM RAISE AND BUCKET TILT OPERATION 1/2) 90-17
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN (COMBINATION OF FORWARD 1ST TRAVEL,
BOOM RAISE AND BUCKET TILT OPERATION 2/2) 90-19
HYDRAULIC CIRCUIT DIAGRAM FOR WORK EQUIPMENT(COMBINATION OF BOOM LOWER, REVERSE
2ND TRAVEL, STEER LEFT, AND LEFT BRAKE OPERATION 1/2) 90-21
HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN(COMBINATION OF BOOM LOWER, REVERSE
2ND TRAVEL, STEER LEFT, AND LEFT BRAKE OPERATION 2/2) 90-23
ELECTRICAL CIRCUIT DIAGRAM 90-25
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 90-25
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (1/8) 90-29
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (2/8) 90-31
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (3/8) 90-33
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (4/8) 90-35
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (5/8) 90-37
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (6/8) 90-39
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (7/8) 90-41
ELECTRICAL CIRCUIT DIAGRAM OF MACHINE (8/8) 90-43
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (1/8) 90-45
INDEX 00 INDEX AND FOREWORD
00-20 WA900-8R
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (2/8) 90-47
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (3/8) 90-49
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (4/8) 90-51
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (5/8) 90-53
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (6/8) 90-55
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (7/8) 90-57
ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (8/8) 90-59
ELECTRICAL CIRCUIT DIAGRAM OF ENGINE (1/2) 90-61
ELECTRICAL CIRCUIT DIAGRAM OF ENGINE (2/2) 90-63
CONNECTOR AND WIRING HARNESS CHART 90-65
CONNECTOR AND WIRING HARNESS CHART (1/45) 90-67
CONNECTOR AND WIRING HARNESS CHART (2/45) 90-69
CONNECTOR AND WIRING HARNESS CHART (3/45) 90-71
CONNECTOR AND WIRING HARNESS CHART (4/45) 90-73
CONNECTOR AND WIRING HARNESS CHART (5/45) 90-75
CONNECTOR AND WIRING HARNESS CHART (6/45) 90-77
CONNECTOR AND WIRING HARNESS CHART (7/45) 90-79
CONNECTOR AND WIRING HARNESS CHART (8/45) 90-81
CONNECTOR AND WIRING HARNESS CHART (9/45) 90-83
CONNECTOR AND WIRING HARNESS CHART (10/45) 90-85
CONNECTOR AND WIRING HARNESS CHART (11/45) 90-87
CONNECTOR AND WIRING HARNESS CHART (12/45) 90-89
CONNECTOR AND WIRING HARNESS CHART (13/45) 90-91
CONNECTOR AND WIRING HARNESS CHART (14/45) 90-93
CONNECTOR AND WIRING HARNESS CHART (15/45) 90-95
CONNECTOR AND WIRING HARNESS CHART (16/45) 90-97
CONNECTOR AND WIRING HARNESS CHART (17/45) 90-99
CONNECTOR AND WIRING HARNESS CHART (18/45) 90-101
CONNECTOR AND WIRING HARNESS CHART (19/45) 90-103
CONNECTOR AND WIRING HARNESS CHART (20/45) 90-105
CONNECTOR AND WIRING HARNESS CHART (21/45) 90-107
CONNECTOR AND WIRING HARNESS CHART (22/45) 90-109
CONNECTOR AND WIRING HARNESS CHART (23/45) 90-111
CONNECTOR AND WIRING HARNESS CHART (24/45) 90-113
CONNECTOR AND WIRING HARNESS CHART (25/45) 90-115
CONNECTOR AND WIRING HARNESS CHART (26/45) 90-117
CONNECTOR AND WIRING HARNESS CHART (27/45) 90-119
CONNECTOR AND WIRING HARNESS CHART (28/45) 90-121
CONNECTOR AND WIRING HARNESS CHART (29/45) 90-123
CONNECTOR AND WIRING HARNESS CHART (30/45) 90-125
CONNECTOR AND WIRING HARNESS CHART (31/45) 90-127
CONNECTOR AND WIRING HARNESS CHART (32/45) 90-129
CONNECTOR AND WIRING HARNESS CHART (33/45) 90-131
CONNECTOR AND WIRING HARNESS CHART (34/45) 90-133
CONNECTOR AND WIRING HARNESS CHART (35/45) 90-135
CONNECTOR AND WIRING HARNESS CHART (36/45) 90-137
CONNECTOR AND WIRING HARNESS CHART (37/45) 90-139
CONNECTOR AND WIRING HARNESS CHART (38/45) 90-141
CONNECTOR AND WIRING HARNESS CHART (39/45) 90-143
CONNECTOR AND WIRING HARNESS CHART (40/45) 90-145
CONNECTOR AND WIRING HARNESS CHART (41/45) 90-147
CONNECTOR AND WIRING HARNESS CHART (42/45) 90-149
CONNECTOR AND WIRING HARNESS CHART (43/45) 90-151
CONNECTOR AND WIRING HARNESS CHART (44/45) 90-153
CONNECTOR AND WIRING HARNESS CHART (45/45) 90-155
INDEX 1

DESCRIPTION:

Komatsu WA900-8R Wheel Loader Shop Manual SEN06750-04 – PDF DOWNLOAD

SERIAL NUMBERS 95001 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.

IMAGES PREVIEW OF THE MANUAL: