Komatsu D51EXi-24E0 D51PXi-24E0 Bulldozer Shop Manual SEN06887-04 – PDF DOWNLOAD

Komatsu D51EXi-24E0 D51PXi-24E0 Bulldozer Shop Manual SEN06887-04 – PDF DOWNLOAD

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Komatsu D51EXi-24E0 D51PXi-24E0 Bulldozer Shop Manual SEN06887-04 – PDF DOWNLOAD

Language : English
Pages : 3142
Downloadable : Yes
File Type : PDF
Size: 82.3 MB

TABLE OF CONTENTS:

Komatsu D51EXi-24E0 D51PXi-24E0 Bulldozer Shop Manual SEN06887-04 – PDF DOWNLOAD

00 INDEX AND FOREWORD 00-1
FOREWORD, SAFETY, BASIC INFORMATION 00-21
HOW TO READ THE SHOP MANUAL 00-21
SAFETY NOTICE FOR OPERATION 00-23
PRECAUTIONS TO PREVENT FIRE 00-31
ACTIONS IF FIRE OCCURS 00-33
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS 00-34
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS 00-35
PRECAUTIONS FOR DEF 00-36
STORE AdBlue/DEF 00-37
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 00-38
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS 00-41
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT 00-48
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 00-50
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 00-51
PRACTICAL USE OF KOMTRAX 00-52
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 00-53
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 00-57
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 00-61
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 00-62
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 00-64
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 00-65
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
00-67
HOW TO READ ELECTRICAL WIRE CODE 00-68
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 00-72
STANDARD TIGHTENING TORQUE TABLE 00-75
CONVERSION TABLE 00-82
ABBREVIATION LIST 00-87
01 SPECIFICATION 01-1
CONTENTS 01-2
SPECIFICATIONS 01-3
SPECIFICATION DRAWING 01-3
SPECIFICATIONS 01-7
WEIGHT TABLE 01-18
FUEL, COOLANT, LUBRICANT 01-22
10 STRUCTURE AND FUNCTION 10-1
CONTENTS 10-2
UREA SCR SYSTEM 10-6
LAYOUT DRAWING OF UREA SCR SYSTEM 10-6
UREA SCR SYSTEM DIAGRAM (DIVIDED TYPE) 10-8
FUNCTION OF UREA SCR SYSTEM 10-9
COMPONENT PARTS OF UREA SCR SYSTEM 10-18
BOOT-UP SYSTEM 10-27
LAYOUT DRAWING OF BOOT-UP SYSTEM 10-27
SYSTEM OPERATING LAMP SYSTEM 10-28
BATTERY DISCONNECT SWITCH 10-30
ENGINE SYSTEM 10-31
LAYOUT DRAWING OF ENGINE SYSTEM 10-31
ENGINE CONTROL SYSTEM 10-33
AUTOMATIC IDLE STOP SYSTEM 10-39
COMPONENT PARTS OF ENGINE SYSTEM 10-42
COOLING SYSTEM 10-52
LAYOUT DRAWING OF COOLING SYSTEM 10-52
COOLING FAN CONTROL SYSTEM 10-54
COMPONENT PARTS OF COOLING SYSTEM 10-57
INDEX 00 INDEX AND FOREWORD
00-2 D51EXI-24E0, D51PXI-24E0
CONTROL SYSTEM 10-66
LAYOUT DRAWING OF CONTROL SYSTEM 10-66
MACHINE MONITOR SYSTEM 10-67
KOMTRAX SYSTEM 10-68
COMPONENT PARTS OF CONTROL SYSTEM 10-69
HYDRAULIC SYSTEM 10-106
LAYOUT DRAWING OF HYDRAULIC SYSTEM 10-106
CLSS 10-107
COMPONENT PARTS OF HYDRAULIC SYSTEM 10-110
POWER TRAIN SYSTEM 10-142
LAYOUT DRAWING OF HST SYSTEM 10-142
OPERATION OF HST SYSTEM 10-143
STEERING AND BRAKE CONTROL SYSTEM 10-145
HST CONTROL SYSTEM 10-147
PARKING BRAKE CONTROL SYSTEM 10-158
COMPONENT PARTS OF POWER TRAIN SYSTEM 10-161
WORK EQUIPMENT SYSTEM 10-197
WORK EQUIPMENT CONTROL 10-197
LAYOUT DRAWING OF FRONT WORK EQUIPMENT 10-199
LAYOUT DRAWING OF FIXED MULTI-SHANK RIPPER 10-200
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 10-201
ICT SYSTEM 10-217
LAYOUT DRAWING OF ICT SYSTEM 10-217
SYSTEM DIAGRAM OF ICT CONTROL SYSTEM 10-219
BLADE CONTROL SYSTEM 10-221
ASSIST CONTROL SYSTEM 10-225
BACK GRADE MODE SYSTEM 10-227
CUT CONTROL SYSTEM 10-229
SMOOTH START SYSTEM 10-242
SLIP CONTROL SYSTEM 10-244
SPEED CONTROL SYSTEM 10-246
STRAIGHT TRAVEL CORRECTION SYSTEM 10-248
QUICK SURFACE CONTROL SYSTEM 10-252
SYSTEM OF TRIANGULATED SURFACE FROM AS-BUILT 10-254
2 SURFACES SELECTION CONTROL SYSTEM 10-256
LIFT LAYER CONTROL SYSTEM 10-258
COMPONENT PARTS OF ICT SENSOR CONTROLLER 10-261
UNDERCARRIAGE AND FRAME 10-286
MAIN FRAME 10-286
SUSPENSION 10-287
TRACK FRAME AND IDLER CUSHION 10-290
WORK EQUIPMENT 10-292
STRUCTURE OF FRONT WORK EQUIPMENT 10-292
STRUCTURE OF FIXED MULTI-SHANK RIPPER 10-293
CAB AND ITS ATTACHMENTS 10-294
ROPS CAB 10-294
CAB MOUNT 10-296
20 STANDARD VALUE TABLE 20-1
CONTENTS 20-2
STANDARD VALUE TABLE FOR ENGINE 20-3
STANDARD VALUE TABLE FOR ENGINE: D51EXI-24E0 20-3
STANDARD VALUE TABLE FOR ENGINE: D51PXI-24E0 20-7
STANDARD VALUE TABLE FOR MACHINE 20-11
STANDARD VALUE TABLE FOR MACHINE: D51EXI-24E0 20-11
STANDARD VALUE TABLE FOR MACHINE: D51PXI-24E0 20-28
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE 20-43
30 TESTING AND ADJUSTING 30-1
CONTENTS 30-2
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-3
RELATED INFORMATION ON TESTING AND ADJUSTING 30-6
TOOLS FOR TESTING AND ADJUSTING 30-6
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 30-14
ENGINE AND COOLING SYSTEM 30-19
TEST ENGINE SPEED 30-19
TEST BOOST PRESSURE 30-21
TEST EXHAUST GAS COLOR 30-22
TEST AND ADJUST VALVE CLEARANCE 30-26
TEST COMPRESSION PRESSURE 30-28
TEST BLOWBY PRESSURE 30-33
TEST ENGINE OIL PRESSURE 30-35
TEST FUEL PRESSURE 30-36
TEST FUEL DISCHARGE, RETURN AND LEAKAGE 30-41
BLEED AIR FROM FUEL SYSTEM 30-47
TEST FUEL CIRCUIT FOR LEAKAGE 30-48
HANDLE CYLINDER CUT-OUT MODE OPERATION 30-50
HANDLE NO-INJECTION CRANKING OPERATION 30-51
TEST KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE 30-52
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS 30-53
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS 30-54
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER 30-55
TEST SCR RELATED FUNCTIONS 30-57
CLEAN AdBlue/DEF TANK 30-87
CLEAN AdBlue/DEF TANK MOUNTING PORTION 30-91
CLEAN AdBlue/DEF PUMP 30-92
POWER TRAIN 30-98
TEST AND ADJUST HST OIL PRESSURE 30-98
BLEED AIR FROM HST PUMP 30-103
TEST OUTLET PRESSURE OF SOLENOID VALVE 30-105
TEST TRAVEL DEVIATION 30-109
TEST BRAKE PERFORMANCE SIMPLY 30-111
TEST AND ADJUST DECELERATION/BRAKE PEDAL 30-112
ADJUST PARKING BRAKE LEVER 30-116
MOVE MACHINE WHEN IT CANNOT TRAVEL 30-118
UNDERCARRIAGE AND FRAME 30-121
CHECK AND ADJUST IDLER CLEARANCE 30-121
TESTING SPROCKET WEAR 30-123
TEST AND ADJUST TRACK TENSION 30-124
HYDRAULIC SYSTEM 30-126
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 30-126
TEST AND ADJUST WORK EQUIPMENT OIL PRESSURES 30-127
TEST AND ADJUST OIL PRESSURE OF CONTROL CIRCUIT 30-130
TEST OUTLET PRESSURE OF EPC SOLENOID VALVE 30-132
BLEED AIR FROM WORK EQUIPMENT, COOLING FAN PUMP, AND CHARGE PUMP 30-134
TEST COOLING FAN SPEED 30-135
TEST COOLING FAN CIRCUIT OIL PRESSURE 30-136
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 30-138
TEST INTERNAL OIL LEAKAGE OF WORK EQUIPMENT CYLINDER 30-140
BLEED AIR FROM WORK EQUIPMENT CYLINDERS 30-143
WORK EQUIPMENT 30-144
ADJUST WORK EQUIPMENT LOCK LEVER 30-144
TEST AND ADJUST PLAY OF BLADE ELECTRIC LEVER 30-146
ELECTRICAL SYSTEM 30-156
SET AND OPERATE MACHINE MONITOR 30-156
START UP KOMTRAX SYSTEM 30-292
STOP USING OF KOMTRAX SYSTEM 30-298
ADJUSTMENT WHEN HST CONTROLLER HAS BEEN REPLACED 30-300
ADJUSTMENT WHEN ELECTRIC OR HYDRAULIC DEVICE HAS BEEN REPLACED 30-306
INDEX 00 INDEX AND FOREWORD
00-4 D51EXI-24E0, D51PXI-24E0
ADJUST REARVIEW CAMERA ANGLE 30-308
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER 30-309
BATTERY DISCONNECT SWITCH 30-310
TEST DIODES 30-311
ICT SYSTEM 30-312
TEST AND ADJUST ICT RELATED DEVICES 30-312
SET AND OPERATE CONTROL BOX 30-314
MACHINE CALIBRATION 30-315
OPERATE PITCH ROD CALIBRATION 30-336
INPUT WEAR AMOUNT OF BLADE EDGE AND TRACK SHOE 30-338
RESET CYLINDER STROKE END 30-339
OPERATE MANUAL MACHINE CALIBRATION 30-341
CHECK AND ADJUST BLADE ELEVATION 30-343
TEST STROKE SENSOR FOR LIFT CYLINDER 30-346
TEST STROKE SENSOR FOR TILT CYLINDER 30-348
TEST STROKE SENSOR FOR ANGLE CYLINDER 30-350
TEST AND ADJUST RESET SENSOR FOR LIFT CYLINDER 30-352
ADJUST WHEN ICT SENSOR CONTROLLER IS REPLACED 30-354
ADJUST AFTER REPLACEMENT OF IMU SENSOR 30-357
METHOD FOR ADJUSTING WHEN ICT RELATED DEVICES ARE REPAIRED OR REPLACED30-358
Pm CLINIC 30-361
Pm CLINIC SERVICE 30-361
40 TROUBLESHOOTING 40-1
CONTENTS 40-2
RELATED INFORMATION ON TROUBLESHOOTING 40-14
GENERAL TROUBLESHOOTING POINTS 40-14
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM 40-15
SEQUENCE OF EVENTS IN TROUBLESHOOTING 40-27
CHECKS BEFORE TROUBLESHOOTING 40-29
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 40-31
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 40-33
PREPARATION FOR TROUBLESHOOTING ELECTRICAL SYSTEM 40-56
PROCEDURE FOR TROUBLESHOOTING 40-63
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 40-66
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR
SYSTEM 40-68
CONNECTOR AND WIRING HARNESS IDENTIFICATION TABLE 40-71
CONNECTOR LAYOUT 40-80
CONNECTOR CONTACT IDENTIFICATION 40-88
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 40-130
FUSE LOCATION TABLE 40-136
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC) 40-140
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883]
AND [CA3135]) 40-144
FAILURE CODES TABLE 40-146
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 40-167
FAILURE CODE [6091NX] 40-167
FAILURE CODE [989L00] 40-169
FAILURE CODE [989M00] 40-170
FAILURE CODE [989N00] 40-171
FAILURE CODE [A1U0N3] 40-172
FAILURE CODE [A1U0N4] 40-174
FAILURE CODE [A900FR] 40-176
FAILURE CODE [A900N6] 40-177
FAILURE CODE [A900NY] 40-178
FAILURE CODE [AA10NX] 40-179
FAILURE CODE [AB00KE] 40-181
FAILURE CODE [AQ10MB] 40-183
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-5
FAILURE CODE [AS00R2] 40-185
FAILURE CODE [AS00R3] 40-186
FAILURE CODE [AS00R4] 40-187
FAILURE CODE [AS00R5] 40-188
FAILURE CODE [AS00R6] 40-189
FAILURE CODE [AS00ZK] 40-190
FAILURE CODE [AS10KM] 40-191
FAILURE CODE [AS10NR] 40-192
FAILURE CODE [AS10NT] 40-193
FAILURE CODE [B@BAZG] 40-194
FAILURE CODE [B@BCNS] 40-195
FAILURE CODE [B@BCQA] 40-196
FAILURE CODE [B@BCZK] 40-198
FAILURE CODE [B@CRNS] 40-200
FAILURE CODE [B@CRZG] 40-201
FAILURE CODE [CA115] 40-202
FAILURE CODE [CA122] 40-203
FAILURE CODE [CA123] 40-205
FAILURE CODE [CA131] 40-207
FAILURE CODE [CA132] 40-209
FAILURE CODE [CA144] 40-211
FAILURE CODE [CA145] 40-213
FAILURE CODE [CA153] 40-215
FAILURE CODE [CA154] 40-217
FAILURE CODE [CA187] 40-219
FAILURE CODE [CA227] 40-221
FAILURE CODE [CA234] 40-223
FAILURE CODE [CA238] 40-224
FAILURE CODE [CA239] 40-225
FAILURE CODE [CA249] 40-226
FAILURE CODE [CA256] 40-228
FAILURE CODE [CA271] 40-230
FAILURE CODE [CA272] 40-232
FAILURE CODE [CA322] 40-233
FAILURE CODE [CA324] 40-235
FAILURE CODE [CA331] 40-237
FAILURE CODE [CA332] 40-239
FAILURE CODE [CA343] 40-241
FAILURE CODE [CA351] 40-242
FAILURE CODE [CA352] 40-243
FAILURE CODE [CA386] 40-245
FAILURE CODE [CA428] 40-246
FAILURE CODE [CA429] 40-248
FAILURE CODE [CA435] 40-250
FAILURE CODE [CA441] 40-252
FAILURE CODE [CA442] 40-254
FAILURE CODE [CA451] 40-255
FAILURE CODE [CA452] 40-257
FAILURE CODE [CA488] 40-259
FAILURE CODE [CA515] 40-260
FAILURE CODE [CA516] 40-262
FAILURE CODE [CA553] 40-264
FAILURE CODE [CA555] 40-265
FAILURE CODE [CA556] 40-266
FAILURE CODE [CA559] 40-267
FAILURE CODE [CA689] 40-270
FAILURE CODE [CA691] 40-273
FAILURE CODE [CA692] 40-275
INDEX 00 INDEX AND FOREWORD
00-6 D51EXI-24E0, D51PXI-24E0
FAILURE CODE [CA697] 40-277
FAILURE CODE [CA698] 40-278
FAILURE CODE [CA731] 40-279
FAILURE CODE [CA741] 40-281
FAILURE CODE [CA742] 40-283
FAILURE CODE [CA743] 40-285
FAILURE CODE [CA778] 40-286
FAILURE CODE [CA1117] 40-291
FAILURE CODE [CA1664] 40-293
FAILURE CODE [CA1669] 40-295
FAILURE CODE [CA1673] 40-296
FAILURE CODE [CA1677] 40-297
FAILURE CODE [CA1678] 40-298
FAILURE CODE [CA1682] 40-299
FAILURE CODE [CA1683] 40-304
FAILURE CODE [CA1684] 40-306
FAILURE CODE [CA1686] 40-308
FAILURE CODE [CA1695] 40-309
FAILURE CODE [CA1696] 40-310
FAILURE CODE [CA1712] 40-312
FAILURE CODE [CA1713] 40-315
FAILURE CODE [CA1714] 40-318
FAILURE CODE [CA1715] 40-319
FAILURE CODE [CA1776] 40-320
FAILURE CODE [CA1777] 40-323
FAILURE CODE [CA1843] 40-326
FAILURE CODE [CA1844] 40-329
FAILURE CODE [CA1879] 40-332
FAILURE CODE [CA1881] 40-334
FAILURE CODE [CA1883] 40-336
FAILURE CODE [CA1885] 40-339
FAILURE CODE [CA1887] 40-341
FAILURE CODE [CA1921] 40-343
FAILURE CODE [CA1922] 40-346
FAILURE CODE [CA1942] 40-351
FAILURE CODE [CA1993] 40-352
FAILURE CODE [CA2185] 40-355
FAILURE CODE [CA2186] 40-357
FAILURE CODE [CA2311] 40-359
FAILURE CODE [CA2373] 40-360
FAILURE CODE [CA2374] 40-362
FAILURE CODE [CA2554] 40-364
FAILURE CODE [CA2555] 40-366
FAILURE CODE [CA2556] 40-369
FAILURE CODE [CA2639] 40-372
FAILURE CODE [CA2771] 40-374
FAILURE CODE [CA2973] 40-378
FAILURE CODE [CA2976] 40-379
FAILURE CODE [CA3133] 40-381
FAILURE CODE [CA3134] 40-383
FAILURE CODE [CA3135] 40-385
FAILURE CODE [CA3142] 40-388
FAILURE CODE [CA3143] 40-389
FAILURE CODE [CA3144] 40-390
FAILURE CODE [CA3146] 40-392
FAILURE CODE [CA3147] 40-393
FAILURE CODE [CA3148] 40-394
FAILURE CODE [CA3151] 40-396
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-7
FAILURE CODE [CA3165] 40-404
FAILURE CODE [CA3229] 40-406
FAILURE CODE [CA3231] 40-408
FAILURE CODE [CA3232] 40-410
FAILURE CODE [CA3235] 40-414
FAILURE CODE [CA3239] 40-416
FAILURE CODE [CA3241] 40-419
FAILURE CODE [CA3242] 40-422
FAILURE CODE [CA3251] 40-425
FAILURE CODE [CA3253] 40-427
FAILURE CODE [CA3254] 40-430
FAILURE CODE [CA3255] 40-432
FAILURE CODE [CA3256] 40-435
FAILURE CODE [CA3311] 40-437
FAILURE CODE [CA3312] 40-439
FAILURE CODE [CA3313] 40-442
FAILURE CODE [CA3314] 40-443
FAILURE CODE [CA3315] 40-444
FAILURE CODE [CA3316] 40-447
FAILURE CODE [CA3317] 40-448
FAILURE CODE [CA3318] 40-449
FAILURE CODE [CA3319] 40-452
FAILURE CODE [CA3321] 40-453
FAILURE CODE [CA3322] 40-455
FAILURE CODE [CA3497] 40-457
FAILURE CODE [CA3498] 40-458
FAILURE CODE [CA3545] 40-459
FAILURE CODE [CA3547] 40-461
FAILURE CODE [CA3558] 40-462
FAILURE CODE [CA3559] 40-464
FAILURE CODE [CA3562] 40-466
FAILURE CODE [CA3563] 40-468
FAILURE CODE [CA3567] 40-471
FAILURE CODE [CA3568] 40-475
FAILURE CODE [CA3571] 40-481
FAILURE CODE [CA3572] 40-483
FAILURE CODE [CA3574] 40-485
FAILURE CODE [CA3575] 40-488
FAILURE CODE [CA3577] 40-490
FAILURE CODE [CA3578] 40-492
FAILURE CODE [CA3583] 40-494
FAILURE CODE [CA3596] 40-496
FAILURE CODE [CA3649] 40-500
FAILURE CODE [CA3681] 40-502
FAILURE CODE [CA3682] 40-507
FAILURE CODE [CA3713] 40-512
FAILURE CODE [CA3717] 40-515
FAILURE CODE [CA3718] 40-516
FAILURE CODE [CA3725] 40-517
FAILURE CODE [CA3741] 40-520
FAILURE CODE [CA3748] 40-521
FAILURE CODE [CA3866] 40-523
FAILURE CODE [CA3868] 40-527
FAILURE CODE [CA4151] 40-531
FAILURE CODE [CA4152] 40-535
FAILURE CODE [CA4155] 40-539
FAILURE CODE [CA4156] 40-542
FAILURE CODE [CA4157] 40-545
INDEX 00 INDEX AND FOREWORD
00-8 D51EXI-24E0, D51PXI-24E0
FAILURE CODE [CA4158] 40-547
FAILURE CODE [CA4159] 40-548
FAILURE CODE [CA4161] 40-549
FAILURE CODE [CA4162] 40-552
FAILURE CODE [CA4163] 40-555
FAILURE CODE [CA4164] 40-557
FAILURE CODE [CA4165] 40-559
FAILURE CODE [CA4166] 40-561
FAILURE CODE [CA4168] 40-562
FAILURE CODE [CA4169] 40-565
FAILURE CODE [CA4171] 40-567
FAILURE CODE [CA4249] 40-569
FAILURE CODE [CA4251] 40-571
FAILURE CODE [CA4259] 40-573
FAILURE CODE [CA4261] 40-576
FAILURE CODE [CA4277] 40-579
FAILURE CODE [CA4459] 40-583
FAILURE CODE [CA4461] 40-585
FAILURE CODE [CA4731] 40-588
FAILURE CODE [CA4732] 40-589
FAILURE CODE [CA4739] 40-590
FAILURE CODE [CA4768] 40-591
FAILURE CODE [CA4769] 40-593
FAILURE CODE [CA4842] 40-596
FAILURE CODE [CA4952] 40-599
FAILURE CODE [CA5115] 40-601
FAILURE CODE [CA5179] 40-604
FAILURE CODE [CA5181] 40-606
FAILURE CODE [CA5271] 40-608
FAILURE CODE [CA5272] 40-610
FAILURE CODE [CA5273] 40-612
FAILURE CODE [CA5274] 40-614
FAILURE CODE [CA5275] 40-616
FAILURE CODE [CA5276] 40-618
FAILURE CODE [CA5383] 40-620
FAILURE CODE [CA5631] 40-622
FAILURE CODE [CA5632] 40-624
FAILURE CODE [CA5655] 40-625
FAILURE CODE [CA5689] 40-631
FAILURE CODE [CA5715] 40-633
FAILURE CODE [CA5716] 40-636
FAILURE CODE [CA5838] 40-639
FAILURE CODE [CA5864] 40-641
FAILURE CODE [CA5865] 40-643
FAILURE CODE [CA5938] 40-645
FAILURE CODE [D130KA] 40-647
FAILURE CODE [D130KB] 40-650
FAILURE CODE [D130KY] 40-652
FAILURE CODE [D19DKA] 40-654
FAILURE CODE [D19DKB] 40-656
FAILURE CODE [D19DKY] 40-658
FAILURE CODE [D19JKZ] 40-661
FAILURE CODE [D19UKA] 40-664
FAILURE CODE [D19UKB] 40-666
FAILURE CODE [D811MC] 40-668
FAILURE CODE [D862KA] 40-669
FAILURE CODE [D8ALKA] 40-670
FAILURE CODE [D8ALKB] 40-674
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-9
FAILURE CODE [D8AQKR] 40-677
FAILURE CODE [D8G1KT] 40-679
FAILURE CODE [D8G6KT] 40-680
FAILURE CODE [DAF0MB] 40-681
FAILURE CODE [DAF0MC] 40-682
FAILURE CODE [DAF8KB] 40-683
FAILURE CODE [DAF9KQ] 40-685
FAILURE CODE [DAFGMC] 40-686
FAILURE CODE [DAFLKA] 40-687
FAILURE CODE [DAFLKB] 40-689
FAILURE CODE [DAFQKR] 40-691
FAILURE CODE [DAJ000] 40-692
FAILURE CODE [DAJ0KQ] 40-693
FAILURE CODE [DAJ0KT] 40-694
FAILURE CODE [DAJ0MC] 40-695
FAILURE CODE [DAJ1KK] 40-696
FAILURE CODE [DAJ2KK] 40-698
FAILURE CODE [DAJ2KT] 40-700
FAILURE CODE [DAJ5KK] 40-701
FAILURE CODE [DAJ6KK] 40-704
FAILURE CODE [DAJLKA] 40-706
FAILURE CODE [DAJLKB] 40-708
FAILURE CODE [DAJPMA] 40-710
FAILURE CODE [DAJQKR] 40-711
FAILURE CODE [DAJRKR] 40-712
FAILURE CODE [DB2QKR] 40-713
FAILURE CODE [DB2RKR] 40-718
FAILURE CODE [DBR0KT] 40-724
FAILURE CODE [DBR0MC] 40-725
FAILURE CODE [DBR1KK] 40-726
FAILURE CODE [DBR2KK] 40-729
FAILURE CODE [DBR5KK] 40-732
FAILURE CODE [DBRLKA] 40-734
FAILURE CODE [DBRLKB] 40-736
FAILURE CODE [DBRPMA] 40-738
FAILURE CODE [DBRQKR] 40-739
FAILURE CODE [DBRRKR] 40-741
FAILURE CODE [DBTSKR] 40-742
FAILURE CODE [DBU0KR] 40-745
FAILURE CODE [DBUSKR] 40-746
FAILURE CODE [DBUTKA] 40-751
FAILURE CODE [DBUTKN] 40-752
FAILURE CODE [DBUTMA] 40-754
FAILURE CODE [DBUUKA] 40-755
FAILURE CODE [DBUUKN] 40-756
FAILURE CODE [DD12KA] 40-758
FAILURE CODE [DD12KB] 40-760
FAILURE CODE [DD13KA] 40-762
FAILURE CODE [DD13KB] 40-764
FAILURE CODE [DD14KA] 40-766
FAILURE CODE [DD14KB] 40-768
FAILURE CODE [DDKAKA] 40-770
FAILURE CODE [DDKAKB] 40-772
FAILURE CODE [DDKFL4] 40-774
FAILURE CODE [DDKGL4] 40-776
FAILURE CODE [DDKHKA] 40-778
FAILURE CODE [DDKHKB] 40-780
FAILURE CODE [DDKQKA] 40-782
INDEX 00 INDEX AND FOREWORD
00-10 D51EXI-24E0, D51PXI-24E0
FAILURE CODE [DDKQKB] 40-784
FAILURE CODE [DDKRKA] 40-786
FAILURE CODE [DDKRKB] 40-788
FAILURE CODE [DDKSKA] 40-790
FAILURE CODE [DDKSKB] 40-792
FAILURE CODE [DDNLKA] 40-794
FAILURE CODE [DDNLKB] 40-796
FAILURE CODE [DDP6KA] 40-798
FAILURE CODE [DDP6KB] 40-801
FAILURE CODE [DDP6MA] 40-803
FAILURE CODE [DDU1FS] 40-805
FAILURE CODE [DDU1KA] 40-807
FAILURE CODE [DDU1KY] 40-810
FAILURE CODE [DFA4KX] 40-812
FAILURE CODE [DFA4KZ] 40-813
FAILURE CODE [DFA4L8] 40-814
FAILURE CODE [DFA5KA] 40-815
FAILURE CODE [DFA5KB] 40-818
FAILURE CODE [DFA6KA] 40-821
FAILURE CODE [DFA6KB] 40-824
FAILURE CODE [DFA7KX] 40-827
FAILURE CODE [DFA7KZ] 40-828
FAILURE CODE [DFA7L8] 40-829
FAILURE CODE [DFA8KA] 40-830
FAILURE CODE [DFA8KB] 40-833
FAILURE CODE [DFA9KA] 40-836
FAILURE CODE [DFA9KB] 40-839
FAILURE CODE [DGS1KA] 40-842
FAILURE CODE [DGS1KX] 40-845
FAILURE CODE [DH21KA] 40-846
FAILURE CODE [DH21KB] 40-848
FAILURE CODE [DHA4KA] 40-850
FAILURE CODE [DHAAMA] 40-852
FAILURE CODE [DHACMA] 40-854
FAILURE CODE [DHH7KA] 40-856
FAILURE CODE [DHH7KB] 40-859
FAILURE CODE [DHH8KA] 40-861
FAILURE CODE [DHH8KB] 40-864
FAILURE CODE [DHH9KA] 40-866
FAILURE CODE [DHH9KB] 40-869
FAILURE CODE [DHHAKA] 40-871
FAILURE CODE [DHHAKB] 40-874
FAILURE CODE [DHRUKA] 40-876
FAILURE CODE [DHRUKB] 40-878
FAILURE CODE [DHRVKA] 40-880
FAILURE CODE [DHRVKB] 40-882
FAILURE CODE [DK30KA] 40-884
FAILURE CODE [DK30KB] 40-887
FAILURE CODE [DK30KX] 40-889
FAILURE CODE [DK30KZ] 40-890
FAILURE CODE [DK30L8] 40-891
FAILURE CODE [DK31KA] 40-892
FAILURE CODE [DK31KB] 40-895
FAILURE CODE [DK40KA] 40-897
FAILURE CODE [DK40KB] 40-900
FAILURE CODE [DK55KX] 40-902
FAILURE CODE [DK55KZ] 40-903
FAILURE CODE [DK55L8] 40-904
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-11
FAILURE CODE [DK56KA] 40-905
FAILURE CODE [DK56KB] 40-908
FAILURE CODE [DK57KA] 40-910
FAILURE CODE [DK57KB] 40-913
FAILURE CODE [DK80KA] 40-915
FAILURE CODE [DK80KR] 40-918
FAILURE CODE [DK80KT] 40-921
FAILURE CODE [DKS0L8] 40-924
FAILURE CODE [DKS1KA] 40-925
FAILURE CODE [DKS1KB] 40-927
FAILURE CODE [DKS2KA] 40-929
FAILURE CODE [DKS2KB] 40-931
FAILURE CODE [DKS3KA] 40-933
FAILURE CODE [DKS3KB] 40-935
FAILURE CODE [DKS3MB] 40-937
FAILURE CODE [DKS4L8] 40-939
FAILURE CODE [DKS5KA] 40-940
FAILURE CODE [DKS5KB] 40-942
FAILURE CODE [DKS6KA] 40-944
FAILURE CODE [DKS6KB] 40-946
FAILURE CODE [DKS7MB] 40-948
FAILURE CODE [DKSCL8] 40-949
FAILURE CODE [DKSDKA] 40-950
FAILURE CODE [DKSDKB] 40-952
FAILURE CODE [DKSEKA] 40-954
FAILURE CODE [DKSEKB] 40-956
FAILURE CODE [DKSFKA] 40-958
FAILURE CODE [DKSFKB] 40-960
FAILURE CODE [DKSFMB] 40-961
FAILURE CODE [DLM0KX] 40-962
FAILURE CODE [DLM0MA] 40-963
FAILURE CODE [DLM1KA] 40-964
FAILURE CODE [DLM1KB] 40-966
FAILURE CODE [DLM1MA] 40-968
FAILURE CODE [DLM2KA] 40-969
FAILURE CODE [DLM2KB] 40-971
FAILURE CODE [DLM2MA] 40-973
FAILURE CODE [DLM3KA] 40-974
FAILURE CODE [DLM3KB] 40-976
FAILURE CODE [DLM3MB] 40-978
FAILURE CODE [DN21FS] 40-979
FAILURE CODE [DR21KX] 40-981
FAILURE CODE [DR31KX] 40-982
FAILURE CODE [DV20KB] 40-983
FAILURE CODE [DW4BKA] 40-985
FAILURE CODE [DW4BKB] 40-987
FAILURE CODE [DW4BKY] 40-989
FAILURE CODE [DW7BKA] 40-991
FAILURE CODE [DW7BKB] 40-993
FAILURE CODE [DW7EKA] 40-995
FAILURE CODE [DW7EKB] 40-997
FAILURE CODE [DW7EKY] 40-999
FAILURE CODE [DWN5KA] 40-1001
FAILURE CODE [DWN5KB] 40-1003
FAILURE CODE [DWN5KY] 40-1005
FAILURE CODE [DXA4KA] 40-1007
FAILURE CODE [DXA4KB] 40-1009
FAILURE CODE [DXA4KY] 40-1011
INDEX 00 INDEX AND FOREWORD
00-12 D51EXI-24E0, D51PXI-24E0
FAILURE CODE [DXA5KA] 40-1013
FAILURE CODE [DXA5KB] 40-1015
FAILURE CODE [DXA5KY] 40-1017
FAILURE CODE [DXA6KA] 40-1019
FAILURE CODE [DXA6KB] 40-1021
FAILURE CODE [DXA6KY] 40-1023
FAILURE CODE [DXA7KA] 40-1025
FAILURE CODE [DXA7KB] 40-1027
FAILURE CODE [DXA7KY] 40-1029
FAILURE CODE [DXHRKA] 40-1031
FAILURE CODE [DXHRKB] 40-1033
FAILURE CODE [DXHRKY] 40-1035
FAILURE CODE [DXHSKA] 40-1037
FAILURE CODE [DXHSKB] 40-1039
FAILURE CODE [DXHSKY] 40-1041
FAILURE CODE [DXHTKA] 40-1043
FAILURE CODE [DXHTKB] 40-1045
FAILURE CODE [DXHTKY] 40-1047
FAILURE CODE [DXHUKA] 40-1049
FAILURE CODE [DXHUKB] 40-1051
FAILURE CODE [DXHUKY] 40-1053
FAILURE CODE [DXJ4KA] 40-1055
FAILURE CODE [DXJ4KB] 40-1057
FAILURE CODE [DXJCKA] 40-1059
FAILURE CODE [DXJCKB] 40-1061
FAILURE CODE [DXJCKY] 40-1063
FAILURE CODE [DXJDKA] 40-1065
FAILURE CODE [DXJDKB] 40-1067
FAILURE CODE [DXJDKY] 40-1069
FAILURE CODE [DXK1KA] 40-1071
FAILURE CODE [DXK1KB] 40-1073
FAILURE CODE [DXK1KY] 40-1075
FAILURE CODE [DXK2KA] 40-1077
FAILURE CODE [DXK2KB] 40-1079
FAILURE CODE [DXK2KY] 40-1081
FAILURE CODE [F313KA] 40-1083
FAILURE CODE [F313KB] 40-1085
FAILURE CODE [F318KB] 40-1088
FAILURE CODE [F318KY] 40-1091
FAILURE CODE [F7A0KQ] 40-1093
FAILURE CODE [F7A0KT] 40-1094
FAILURE CODE [F7A1KK] 40-1095
FAILURE CODE [F7ALKB] 40-1098
FAILURE CODE [F7AQKR] 40-1100
FAILURE CODE [F7ASKA] 40-1101
FAILURE CODE [FE0AKA] 40-1103
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 40-1105
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 40-1105
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK 40-1112
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK 40-1115
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP 40-1117
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS
NOTHING 40-1119
E-6 WHEN STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), BASIC
CHECK MONITOR LIGHTS UP 40-1123
E-7 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING
40-1124
E-8 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 40-1125
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-13
E-9 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
40-1126
E-10 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 40-1127
E-11 HST CHARGE PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
40-1128
E-12 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
40-1129
E-13 HST OIL FILTER CLOGGING MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
40-1130
E-14 ENGINE COOLANT TEMPERATURE GAUGE DOES NOT INDICATE CORRECT TEMPERATURE
40-1131
E-15 AdBlue/DEF LEVEL IS NOT DISPLAYED PROPERLY 40-1132
E-16 FUEL LEVEL GAUGE DOES NOT INDICATE CORRECT LEVEL 40-1135
E-17 HYDRAULIC OIL TEMPERATURE GAUGE DOES NOT INDICATE CORRECT TEMPERATURE
40-1138
E-18 OPERATION MODE DOES NOT CHANGE 40-1139
E-19 OPERATING CUSTOMIZE SWITCH DOES NOT DISPLAY CUSTOMIZE SCREEN 40-1140
E-20 MODIFYING SETTING ON CUSTOMIZE SCREEN DOES NOT CHANGE SETTING OF MACHINE
40-1141
E-21 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION
40-1142
E-22 SERVICE MODE CANNOT BE SELECTED 40-1143
E-23 WORK EQUIPMENT DOES NOT OPERATE 40-1144
E-24 FOOT HEATER DOES NOT OPERATE 40-1146
E-25 HORN DOES NOT SOUND 40-1152
E-26 HORN DOES NOT STOP SOUNDING 40-1154
E-27 BACKUP ALARM DOES NOT SOUND 40-1155
E-28 BACKUP ALARM DOES NOT STOP SOUNDING 40-1156
E-29 HEADLAMP DOES NOT LIGHT UP 40-1157
E-30 REAR LAMP DOES NOT LIGHT UP 40-1161
E-31 ALL WIPERS DO NOT OPERATE 40-1164
E-32 FRONT WIPER DOES NOT OPERATE 40-1166
E-33 REAR WIPER DOES NOT OPERATE 40-1168
E-34 LEFT DOOR WIPER DOES NOT OPERATE 40-1170
E-35 RIGHT DOOR WIPER DOES NOT OPERATE 40-1174
E-36 FRONT WASHER DOES NOT OPERATE 40-1178
E-37 REAR WASHER DOES NOT OPERATE 40-1180
E-38 LEFT DOOR WASHER DOES NOT OPERATE 40-1182
E-39 RIGHT DOOR WASHER DOES NOT OPERATE 40-1184
E-40 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 40-1186
E-41 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for radio link ] 40-1187
E-42 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites ] 40-1189
E-43 CONTROL BOX DISPLAYS THE MESSAGE [GPS receiver not connected !] and [Komatsu Machine
Trouble] 40-1190
E-44 CONTROL BOX DISPLAYS THE MESSAGE [Komatsu Machine Trouble] 40-1191
E-45 CONTROL BOX DISPLAYS THE MESSAGE [Waiting to initialize ] 40-1192
E-46 CONTROL BOX DISPLAYS THE MESSAGE [System initializing] 40-1193
E-47 CONTROL BOX DISPLAYS THE MESSAGE [Initializing ] 40-1194
E-48 CONTROL BOX DISPLAYS THE MESSAGE [Connecting to GPS ] 40-1195
E-49 ELEVATION CONTROL KEY ON CONTROL BOX DISPLAYS THE MESSAGE [Low precisions ]
40-1196
E-50 CONTROL BOX DISPLAYS THE MESSAGE [Heading Initializing] 40-1197
E-51 CONTROL BOX DISPLAYS THE MESSAGE [Out of design area ] 40-1198
E-52 CONTROL BOX DISPLAYS THE MESSAGE [No GPS localization ] 40-1199
E-53 CONTROL BOX DISPLAYS THE MESSAGE [Loading Design Surface data ] 40-1200
E-54 CONTROL BOX DISPLAYS THE MESSAGE [Design Surface data invalid] 40-1201
E-55 CONTROL BOX DISPLAYS THE MESSAGE [Starting switch is OFF] 40-1202
INDEX 00 INDEX AND FOREWORD
00-14 D51EXI-24E0, D51PXI-24E0
E-56 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites ] and [Komatsu Machine
Trouble] 40-1204
E-57 CONTROL BOX CANNOT BE TURNED ON 40-1205
E-58 CONTROL BOX DOES NOT DISPLAY INTELLIGENT MACHINE CONTROL SCREEN 40-1207
E-59 CONTROL BOX DOES NOT DISPLAY BULLDOZER IMAGE 40-1208
E-60 CONTROL BOX DOES NOT DISPLAY DESIGN SURFACE 40-1209
E-61 CONTROL BOX TOUCH PANEL DOES NOT RESPOND 40-1210
E-62 CONTROL BOX TOUCH PANEL IS INACCURATE 40-1211
E-63 CYLINDER STROKE RESET INDICATION DOES NOT GO OUT 40-1212
E-64 AUTO OR STRIKETHROUGH IS NOT DISPLAYED WHEN AUTO/MANUAL SWITCH IS PRESSED
(AUTO OR STRIKETHROUGH GOES OUT) 40-1213
E-65 WHEN CHECKING AND ADJUSTING THE BLADE ELEVATION, THE VALUE IS DIFFERENT
FROM ACTUAL MACHINE 40-1215
E-66 BLADE AUTOMATIC LOWER CONTROL DOES NOT START WHILE AUTO IS DISPLAYED
40-1216
E-67 BLADE AUTOMATIC RAISE CONTROL DOES NOT START WHILE AUTO IS DISPLAYED
40-1217
E-68 BLADE AUTOMATIC CONTROL FUNCTION IS NOT ACTIVATED WHILE AUTO IS DISPLAYED
(BLADE AUTOMATIC CONTROL STOPS) 40-1218
E-69 FINISHED SURFACE IS INACCURATE (THE AVERAGE HEIGHT OF FINISHED SURFACE IS
LOWER THAN DESIGNED SURFACE OR BLADE DOES NOT TOUCH THE SURFACE) 40-1219
E-70 FINISHED SURFACE IS INACCURATE (THE FINISHED SURFACE IS NOT SMOOTH) 40-1220
E-71 FINISHED SURFACE IS INACCURATE (WHEN FINISHING SLOPE HORIZONTALLY, STEPS
ARE MADE IN EACH DIRECTION) 40-1221
E-72 MACHINE CANNOT ESCAPE FROM SHOES SLIP WHILE BLADE AUTOMATIC CONTROL IS
ACTIVATED (SHOES FREQUENTLY SLIPS) 40-1223
E-73 MACHINE SPEED DOES NOT INCREASE WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED
40-1224
E-74 BLADE TILT ANGLE DOES NOT CORRESPOND WITH DESIGN SURFACE WHILE BLADE AUTOMATIC
CONTROL IS ACTIVATED 40-1225
E-75 BLADE TILTS WHILE BLADE AUTOMATIC CONTROL IS ACTIVATED 40-1227
E-76 EVEN AFTER LIFT LAYER CONTROL IS ACTIVATED, MEASURED LIFT LAYER TERRAIN
SHAPE DOES NOT CORRESPOND WITH THE ACTUAL TERRAIN 40-1229
E-77 THE SURFACE CREATED WITH QUICK SURFACE CREATION FUNCTION IS DIFFERENT
FROM THE ONE IN MACHINE FRONT DIRECTION, BLADE EDGE POSITION 40-1231
E-78 MACHINE DOES NOT TRAVEL STRAIGHT WHILE TILT STEERING CONTROL IS ACTIVATED
40-1232
E-79 CONTROL BOX KEEPS DISPLAYING PROGRESS BAR IN MACHINE MANUAL CAL SCREEN
40-1233
E-80 ENGINE HUNTING OCCURS WHEN LOWERING THE BLADE WHILE GROUND LINE ASSIST
IS ACTIVATED 40-1234
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 40-1235
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) 40-1235
FAILURE MODE AND CAUSE TABLE 40-1236
H-1 NEITHER R H NOR L H OF TRACKS CAN TRAVEL FORWARD OR REVERSE (NONE OF THE
TRAVEL SYSTEMS OPERATE) 40-1242
H-2 EITHER R H OR L H OF TRACK CANNOT TRAVEL BOTH FORWARD AND REVERSE (ONE
OF R H OR L H TRAVEL SYSTEMS CANNOT OPERATE) 40-1244
H-3 EITHER R H OR L H OF TRACK CANNOT TRAVEL ONE OF FORWARD OR REVERSE (ONLY
ONE OF THE TRAVEL SYSTEMS CANNOT OPERATE IN ONE DIRECTION) 40-1246
H-4 TRAVEL SPEED OR POWER IS LOW 40-1248
H-5 SPEED RANGE DOES NOT CHANGE 40-1250
H-6 SHOCK IS LARGE WHEN MACHINE MOVES OFF OR STOPS 40-1251
H-7 MACHINE DEVIATES LARGELY 40-1252
H-8 MACHINE DRIFT ON A SLOPE IS LARGE 40-1255
H-9 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 40-1257
H-10 UNUSUAL NOISE IS HEARD FROM AROUND HST PUMP OR MOTOR 40-1259
H-11 HST OIL TEMPERATURE (HYDRAULIC OIL TEMPERATURE) RISES TOO HIGH 40-1261
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-15
H-12 ALL WORK EQUIPMENT DO NOT OPERATE 40-1263
H-13 ALL WORK EQUIPMENTS SPEED OR POWER IS LOW 40-1265
H-14 BLADE LIFT SPEED OR POWER IS LOW 40-1266
H-15 BLADE TILT SPEED OR POWER IS LOW 40-1268
H-16 BLADE ANGLE SPEED OR POWER IS LOW 40-1269
H-17 TIME LAG OF BLADE LIFT IS LARGE 40-1270
H-18 HYDRAULIC DRIFT OF LIFTED BLADE IS LARGE 40-1271
H-19 HYDRAULIC DRIFT OF TILTED BLADE IS LARGE 40-1272
H-20 UNUSUAL NOISE IS HEARD FROM AROUND WORK EQUIPMENT AND COOLING FAN
PUMP OR CONTROL VALVE 40-1273
H-21 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) 40-1274
H-22 UNUSUAL NOISE IS HEARD FROM AROUND FAN 40-1276
TROUBLESHOOTING OF ENGINE (S-MODE) 40-1277
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) 40-1277
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION
40-1278
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 40-1279
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS
BUT DOES NOT START) 40-1280
S-4 ENGINE STARTABILITY IS POOR 40-1282
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 40-1284
S-6 ENGINE STOPS DURING OPERATION 40-1286
S-7 ENGINE RUNNING IS NOT STABLE 40-1288
S-8 OUTPUT IS NOT SUFFICIENT (POWER IS LOW) 40-1289
S-9 EXHAUST IS BLACK (KDPF GETS CLOGGED IN A SHORT TIME) 40-1291
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 40-1293
S-11 ENGINE OIL BECOMES CONTAMINATED QUICKLY 40-1294
S-12 FUEL CONSUMPTION IS EXCESSIVE 40-1295
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN)
40-1296
S-14 OIL PRESSURE DROPS 40-1297
S-15 FUEL MIXES INTO ENGINE OIL 40-1299
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 40-1300
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 40-1301
S-18 THERE IS AN UNUSUAL NOISE 40-1302
S-19 VIBRATION IS EXCESSIVE 40-1303
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT 40-1304
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY 40-1305
S-22 ACTIVE REGENERATION TAKES LONG 40-1306
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION 40-1307
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE 40-1308
S-25 THERE IS AN UNUSUAL SMELL (IRRITATING ODOR) 40-1310
S-26 FOREIGN MATERIAL MIXES INTO AdBlue/DEF (AdBlue/DEF LEVEL INCREASES) 40-1311
50 DISASSEMBLY AND ASSEMBLY 50-1
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 50-33
PREPARATION 50-45
DRAIN AND ADD COOLANT 50-45
DRAIN AND ADD HYDRAULIC OIL 50-50
DRAIN AND ADD FUEL 50-55
COLLECT AND REFILL REFRIGERANT 50-57
ENGINE AND COOLING SYSTEM 50-60
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY 50-60
REMOVE AND INSTALL INJECTOR ASSEMBLY 50-77
INDEX 00 INDEX AND FOREWORD
00-16 D51EXI-24E0, D51PXI-24E0
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY 50-107
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY 50-159
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR BELT 50-164
REMOVE AND INSTALL ALTERNATOR BELT 50-169
REMOVE AND INSTALL AUTO-TENSIONER 50-173
REMOVE AND INSTALL RADIATOR ASSEMBLY 50-175
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 50-182
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY 50-189
REMOVE AND INSTALL COOLING FAN DRIVE ASSEMBLY 50-193
REMOVE AND INSTALL COOLING FAN MOTOR ASSEMBLY 50-205
REMOVE AND INSTALL ENGINE AND HST PUMP ASSEMBLY 50-211
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 50-236
REMOVE AND INSTALL ENGINE REAR OIL SEAL 50-240
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY 50-252
REMOVE AND INSTALL KDPF ASSEMBLY 50-264
DISASSEMBLE AND ASSEMBLE KDPF ASSEMBLY 50-275
REMOVE AND INSTALL KDPF AND SCR ASSEMBLY 50-288
REMOVE AND INSTALL BELLOWS PIPE ASSEMBLY 50-297
REMOVE AND INSTALL FUEL TANK ASSEMBLY 50-304
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY 50-315
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 50-331
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR 50-336
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER 50-344
REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER 50-346
REMOVE AND INSTALL SCR ASSEMBLY 50-353
REMOVE AND INSTALL AdBlue/DEF INJECTOR 50-367
REMOVE AND INSTALL AdBlue/DEF PUMP 50-376
REMOVE AND INSTALL AdBlue/DEF HOSE 50-386
REMOVE AND INSTALL AIR CLEANER ASSEMBLY 50-400
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY 50-402
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY 50-405
POWER TRAIN 50-414
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY 50-414
UNDERCARRIAGE AND FRAME 50-428
REMOVE AND INSTALL TRACK FRAME ASSEMBLY 50-428
REMOVE AND INSTALL IDLER ASSEMBLY 50-438
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY 50-443
REMOVE AND INSTALL RECOIL SPRING ASSEMBLY 50-450
DISASSEMBLE AND ASSEMBLE RECOIL SPRING ASSEMBLY 50-451
REMOVE AND INSTALL TRACK ROLLER ASSEMBLY 50-457
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 50-462
REMOVE AND INSTALL CARRIER ROLLER ASSEMBLY 50-467
DISASSEMBLE AND ASSEMBLE CARRIER ROLLER ASSEMBLY 50-470
REMOVE AND INSTALL PIVOT SHAFT ASSEMBLY 50-474
SEPARATE AND INSTALL TRACK ASSEMBLY 50-476
SEPARATE AND CONNECT PLUS TYPE TRACK ASSEMBLY 50-481
DISASSEMBLE AND ASSEMBLE TRACK ASSEMBLY GENERALLY 50-483
DISASSEMBLE AND ASSEMBLE PLUS TYPE TRACK ASSEMBLY GENERALLY 50-501
DISASSEMBLE AND ASSEMBLE ONE TRACK LINK ASSEMBLY IN FIELD (TRACK ASSEMBLY)
50-512
DISASSEMBLE AND ASSEMBLE ONE TRACK LINK ASSEMBLY IN FIELD (PLUS TYPE TRACK ASSEMBLY)
50-521
REMOVE AND INSTALL EQUALIZER BAR ASSEMBLY 50-528
REMOVE AND INSTALL EQUALIZER BAR SIDE BUSHING 50-533
REMOVE AND INSTALL SEGMENT TEETH 50-535
HYDRAULIC SYSTEM 50-539
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 50-539
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY 50-559
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-17
WORK EQUIPMENT 50-566
REMOVE AND INSTALL BLADE ASSEMBLY 50-566
REMOVE AND INSTALL STROKE AND RESET SENSING BLADE LIFT CYLINDER ASSEMBLY
50-575
DISASSEMBLE AND ASSEMBLE STROKE AND RESET SENSING BLADE LIFT CYLINDER ASSEMBLY
50-581
REMOVE AND INSTALL STROKE SENSING BLADE TILT CYLINDER ASSEMBLY 50-594
DISASSEMBLE AND ASSEMBLE STROKE SENSING BLADE TILT CYLINDER ASSEMBLY 50-604
REMOVE AND INSTALL STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY 50-613
DISASSEMBLE AND ASSEMBLE STROKE SENSING BLADE ANGLE CYLINDER ASSEMBLY50-619
REMOVE AND INSTALL U-FRAME ASSEMBLY 50-628
CAB AND ITS ATTACHMENTS 50-634
REMOVE AND INSTALL OPERATOR CAB ASSEMBLY 50-634
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) 50-661
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 50-669
REMOVE AND INSTALL RECEIVER DRIER 50-682
REMOVE AND INSTALL OPERATOR’S SEAT 50-686
REMOVE AND INSTALL SEATBELT 50-691
REMOVE AND INSTALL FOOT HEATER ASSEMBLY 50-694
DISASSEMBLE AND ASSEMBLE FOOT HEATER ASSEMBLY 50-701
ELECTRICAL SYSTEM 50-705
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 50-705
REMOVE AND INSTALL HST CONTROLLER ASSEMBLY 50-712
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 50-715
REMOVE AND INSTALL INTAKE MANIFOLD PRESSURE AND TEMPERATURE SENSOR 50-719
REMOVE AND INSTALL KDPF TEMPERATURE SENSOR 50-722
REMOVE AND INSTALL KDPF DIFFERENTIAL PRESSURE SENSOR 50-731
REMOVE AND INSTALL SCR TEMPERATURE SENSOR 50-736
REMOVE AND INSTALL SCR OUTLET NOx SENSOR 50-745
REMOVE AND INSTALL GATEWAY FUNCTION CONTROLLER 50-750
REMOVE AND INSTALL NAVIGATION CONTROLLER 50-754
REMOVE AND INSTALL ICT SENSOR CONTROLLER ASSEMBLY 50-763
REMOVE AND INSTALL CONTROL BOX 50-766
REMOVE AND INSTALL GNSS RECEIVER 50-768
REMOVE AND INSTALL GNSS ANTENNA 50-770
REMOVE AND INSTALL GNSS EXTERNAL RADIO DEVICE 50-780
REMOVE AND INSTALL IMU SENSOR 50-784
REMOVE AND INSTALL COMMUNICATION TERMINAL 50-792
REMOVE AND INSTALL COMMUNICATION ANTENNA 50-795
60 MAINTENANCE STANDARD 60-1
CONTENTS 60-2
ENGINE AND COOLING SYSTEM 60-3
MAINTENANCE STANDARD OF ENGINE MOUNT 60-3
MAINTENANCE STANDARD OF DAMPER 60-4
MAINTENANCE STANDARD OF COOLING SYSTEM 60-5
MAINTENANCE STANDARD OF COOLING FAN MOTOR 60-6
MAINTENANCE STANDARD OF HYDRAULIC OIL COOLER BYPASS AND HST CHARGE SAFETY
VALVE 60-8
POWER TRAIN 60-9
MAINTENANCE STANDARD OF HST PUMP 60-9
MAINTENANCE STANDARD OF HST CHARGE PUMP 60-13
MAINTENANCE STANDARD OF HST MOTOR 60-15
MAINTENANCE STANDARD OF FINAL DRIVE 60-17
MAINTENANCE STANDARD OF SPROCKET FOR PLUS TYPE TRACK SHOE 60-19
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING FOR PLUS
TYPE TRACK SHOE 60-20
UNDERCARRIAGE AND FRAME 60-21
MAINTENANCE STANDARD OF SUSPENSION 60-21
INDEX 00 INDEX AND FOREWORD
00-18 D51EXI-24E0, D51PXI-24E0
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION 60-24
MAINTENANCE STANDARD OF IDLER 60-27
MAINTENANCE STANDARD OF TRACK ROLLER FOR PLUS TYPE TRACK SHOES (SINGLE
FLANGE TYPE) 60-29
MAINTENANCE STANDARD OF TRACK ROLLER FOR PLUS TYPE TRACK SHOES (DOUBLE
FLANGE TYPE) 60-30
MAINTENANCE STANDARD OF CARRIER ROLLER FOR PLUS TYPE TRACK SHOE 60-32
MAINTENANCE STANDARD OF PLUS TYPE TRACK SHOE 60-33
MAINTENANCE STANDARD OF SINGLE SHOE 60-35
HYDRAULIC SYSTEM 60-36
MAINTENANCE STANDARD OF HYDRAULIC TANK 60-36
MAINTENANCE STANDARD OF WORK EQUIPMENT AND COOLING FAN PUMP 60-37
MAINTENANCE STANDARD OF CONTROL VALVE 60-40
MAINTENANCE STANDARD OF RIPPER PPC VALVE 60-46
MAINTENANCE STANDARD OF 5-PORT VALVE OF EPC AND SOLENOID 60-48
MAINTENANCE STANDARD OF QUICK DROP VALVE 60-50
WORK EQUIPMENT 60-52
MAINTENANCE STANDARD OF FRONT WORK EQUIPMENT 60-52
MAINTENANCE STANDARD OF CUTTING EDGE AND END BIT 60-55
MAINTENANCE STANDARD OF BLADE LIFT CYLINDER 60-56
MAINTENANCE STANDARD OF BLADE TILT CYLINDER 60-57
MAINTENANCE STANDARD OF BLADE ANGLE CYLINDER 60-58
MAINTENANCE STANDARD OF FIXED MULTI-SHANK RIPPER 60-59
MAINTENANCE STANDARD OF RIPPER LIFT CYLINDER 60-61
CAB AND ITS ATTACHMENTS 60-62
MAINTENANCE STANDARD OF CAB MOUNT 60-62
ELECTRICAL SYSTEM 60-64
MAINTENANCE STANDARD OF ELECTRIC STEERING CONTROL LEVER 60-64
80 APPENDIX 80-1
CONTENTS 80-2
AIR CONDITIONER SYSTEM 80-3
PRECAUTIONS FOR REFRIGERANT 80-3
AIR CONDITIONER COMPONENT 80-4
SPECIFICATIONS OF AIR CONDITIONER 80-7
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE 80-8
OUTLINE OF REFRIGERATION CYCLE 80-9
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 80-11
AIR CONDITIONER UNIT 80-11
COMPONENT PARTS OF AIR CONDITIONER UNIT 80-13
COMPRESSOR 80-16
CONDENSER 80-17
RECEIVER DRIER 80-19
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER
80-21
CIRCUIT DIAGRAM OF AIR CONDITIONER 80-24
AIR CONDITIONER SYSTEM DIAGRAM 80-25
CONTROL FUNCTION OF AIR CONDITIONER 80-26
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
80-27
TEST RELAYS 80-31
METHOD FOR TESTING RELAYS 80-31
AIR CONDITIONER TROUBLESHOOTING CHART 1 80-33
AIR CONDITIONER TROUBLESHOOTING CHART 2 80-34
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 80-37
A-1 TROUBLESHOOTING FOR CONDENSER FAN 80-39
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)
80-42
00 INDEX AND FOREWORD INDEX
D51EXI-24E0, D51PXI-24E0 00-19
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS
ABNORMAL) 80-46
A-4 TROUBLESHOOTING FOR TEMPERATURE CONTROL FUNCTION 80-49
TROUBLESHOOTING USING GAUGE PRESSURE 80-53
CONNECTION OF SERVICE TOOL 80-55
METHOD FOR CONNECTING SERVICE TOOL 80-56
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER
PIPINGS 80-57
HANDLE COMPRESSOR OIL 80-59
90 CIRCUIT DIAGRAMS 90-1
CONTENTS 90-2
HYDRAULIC CIRCUIT DIAGRAM 90-3
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 90-3
HYDRAULIC CIRCUIT DIAGRAM 90-7
ELECTRICAL CIRCUIT DIAGRAM 90-9
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 90-9
ELECTRICAL CIRCUIT DIAGRAM (1/16) 90-13
ELECTRICAL CIRCUIT DIAGRAM (2/16) 90-15
ELECTRICAL CIRCUIT DIAGRAM (3/16) 90-17
ELECTRICAL CIRCUIT DIAGRAM (4/16) 90-19
ELECTRICAL CIRCUIT DIAGRAM (5/16) 90-21
ELECTRICAL CIRCUIT DIAGRAM (6/16) 90-23
ELECTRICAL CIRCUIT DIAGRAM (7/16) 90-25
ELECTRICAL CIRCUIT DIAGRAM (8/16) 90-27
ELECTRICAL CIRCUIT DIAGRAM (9/16) 90-29
ELECTRICAL CIRCUIT DIAGRAM (10/16) 90-31
ELECTRICAL CIRCUIT DIAGRAM (11/16) 90-33
ELECTRICAL CIRCUIT DIAGRAM (12/16) 90-35
ELECTRICAL CIRCUIT DIAGRAM (13/16) 90-37
ELECTRICAL CIRCUIT DIAGRAM (14/16) 90-39
ELECTRICAL CIRCUIT DIAGRAM (15/16) 90-41
ELECTRICAL CIRCUIT DIAGRAM (16/16) 90-43
INDEX 1

DESCRIPTION:

Komatsu D51EXi-24E0 D51PXi-24E0 Bulldozer Shop Manual SEN06887-04 – PDF DOWNLOAD

SERIAL NUMBERS

D51EXi-20001 and up
D51PXi-20001 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: