Komatsu D155AX-8 D155PX-8 Bulldozer Shop Manual SEN06948-02 PDF

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Komatsu D155AX-8 D155PX-8 Bulldozer Shop Manual SEN06948-02 – PDF DOWNLOAD

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Komatsu D155AX-8 D155PX-8 Bulldozer Shop Manual SEN06948-02 – PDF DOWNLOAD 

Language : English
Pages : 3612
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu D155AX-8 D155PX-8 Bulldozer Shop Manual SEN06948-02 – PDF DOWNLOAD 

SERIAL NUMBERS

D155AX-100001 and up
D155PX-170001 and up

Cover 1
00 Index and Foreword 3
Index 4
Abbreviation List 24
Foreword, Safety, Basic Information 27
How to Read the Shop Manual 27
Safety Notice for Operation 29
Precautions to Prevent Fire 37
Procedures If Fire Occurs 39
Precautions for Disposing of Waste Materials 40
Procedures for Exhaust Gas Regulations 41
Precautions for DEF 42
General Character and Precautions for Handling 42
Precautions for Adding 42
Precautions for Storage 42
Precautions for Fire Hazard and Leakage 42
Other Precautions 42
Store DEF 43
Precautions When You Handle Hydraulic Equipment 44
Precautions When You Disconnect and Connect Pipings 47
Precautions When You Handle Electrical Equipment 54
Precautions When You Handle Fuel System Equipment 56
Precautions When You Handle Intake System Equipment 57
Practical Use of KOMTRAX 58
Disconnect and Connect Push-Pull Type Coupler 59
How to Disconnect and Connect Type 1 Push-Pull Type Coupler 59
How to Disconnect and Connect Type 2 Push-Pull Type Coupler 60
How to Disconnect and Connect Type 3 Push-Pull Type Coupler 61
Precautions for Disconnection and Connection of Connectors 63
How to Disconnect and Connect Deutsch Connector 67
How to Disconnect and Connect Slide Lock Type Connector 68
How to Disconnect and Connect Connector with Lock to Pull 70
How to Disconnect and Connect Connector with Lock to Push 71
How to Disconnect and Connect Connector with Housing to Rotate 73
How to Read the Codes for Electric Cable 74
Explanation of Terms for Maintenance Standard 78
Standard Tightening Torque Table 81
Conversion Table 88
01 Specifications 93
Table of Contents 94
Specifications 95
Specification Drawing 95
Specification Drawing: D155AX-8 95
Specification Drawing: D155PX-8 96
Specifications 98
Specifications: D155AX-8 98
Specification: D155PX-8 105
Weight Table 110
Weight Table: D155AX-8 110
Weight Table: D155PX-8 112
Table of Fuel, Coolant, and Lubricants 115
10 Structure and Function 117
Table of Contents 118
Urea SCR System 121
Layout Drawing of Urea SCR System 121
Urea SCR System Diagram 123
Function of Urea SCR System 124
Function of DEF System 124
Inducement Strategy 127
Component Parts of Urea SCR System 141
DEF Mixing Tube 141
SCR Assembly 141
DEF Tank 144
DEF Pump 146
DEF Injector 147
DEF Hose 148
DEF Tank Heating Valve 149
Boot-up System 150
Layout Drawing of Boot-up System (Machine with Gateway Function Controller) 150
System Operating Lamp System 151
System Diagram of System Operating Lamp System (Machine with KOMTRAX Terminal) 151
System Diagram of System Operating Lamp System (Machine with Gateway Function Controller) 151
Function of System Operating Lamp System (Machine with KOMTRAX Terminal) 151
Function of System Operating Lamp System (Machine with Gateway Function Controller) 152
Battery Disconnect Switch 154
Layout Drawing of Battery Disconnect Switch 154
Function of Battery Disconnect Switch 154
Engine System 156
Layout Drawing of Engine System 156
Engine Control System 158
Layout of Engine Control System (Machine with KOMTRAX Terminal) 158
Layout of Engine Control System (Machine with Gateway Function Controller) 159
System Diagram of Engine Control System (Machine with KOMTRAX Terminal) 160
System Diagram of Engine Control System (Machine with Gateway Function Controller) 162
Function of Engine Control System 163
Automatic Idle Stop System 164
Automatic Idle Stop System Diagram (Machine with KOMTRAX Terminal) 164
System Diagram of Automatic Idle Stop System (Machine with Gateway Function Controller) 165
Function of Automatic Idle Stop System 165
Component Parts of Engine System 168
Damper 168
VGT 169
EGR System 173
EGR Valve 175
EGR Cooler 177
KCCV System 179
KCCV Ventilator 181
KDPF 184
Cooling System 188
Layout Drawing of Cooling System 188
Specifications of Cooling System 189
Component Parts of Cooling System 190
Cooling Fan Pump 190
Cooling Fan Motor 198
Hydraulic Oil Cooler Bypass Valve 205
Control System 206
Layout Drawing of Control System (Machine with KOMTRAX Terminal) 206
Layout Drawing of Control System (Machine with Gateway Function Controller) 207
Machine Monitor System 208
System Diagram of Machine Monitor System (Machine with KOMTRAX Terminal) 208
System Diagram of Machine Monitor System (Machine with Gateway Function Controller) 209
Function of Machine Monitor System 209
KOMTRAX System 212
System Diagram of KOMTRAX System (Machine with KOMTRAX Terminal) 212
System Diagram of KOMTRAX System (Machine with Gateway Function Controller) 212
Function of KOMTRAX System 213
Component Parts of Control System 214
Machine Monitor 214
KOMTRAX Terminal 230
Gateway Function Controller 232
Communication Terminal 235
Power Train Controller 237
Work Equipment Controller 241
Engine Controller 245
Fuel Feed Pump 251
Fuel Feed Pump Switch 252
Hydraulic System 253
Layout Drawing of Hydraulic System 253
CLSS 254
Structure of CLSS 254
Function of CLSS 255
Component Parts of Hydraulic System 257
Hydraulic Tank 257
Work Equipment and HSS Pump 258
LS Valve 263
PC Valve 268
PC-EPC Valve 274
Control Valve 278
Power Train System 320
Layout Drawing of Power Train System 320
Operation of Power Train System 323
Layout of Power Train System (D155PX-8) 325
Operation of Power Train System (D155PX-8) 328
Transmission, Steering, and Brake Control 329
Layout Drawing of Transmission, Steering, and Brake Control System 329
Function of Transmission, Steering, and Brake Control System 330
Palm Command Control System 332
Palm Command Control System Diagram 332
HSS System 336
HSS System Diagram 336
Function of HSS System 337
Centralized Pressure Pickup Port 339
Layout Drawing of Centralized Pressure Pickup Port 339
Function of Centralized Pressure Pickup Port 340
Component Parts of Power Train System 341
Universal Joint 341
Power Train Mount 342
Torque Converter and PTO 343
Torque Converter Control Valve 350
Lockup Clutch ECMV 351
Stator Clutch ECMV 354
Transmission 358
Transmission ECMV 368
Main Relief Valve and Torque Converter Relief Valve 375
Transmission Lubrication Relief Valve 377
Bevel Gear Shaft, HSS, and Brake 377
Final Drive 404
Scavenging Pump 410
Steering Lubrication Pump and Power Train Pump 411
HSS Motor 412
Electric Steering Electric Lever 419
Work Equipment System 424
Work Equipment Control 424
Layout Drawing of Work Equipment Control 424
Function of Work Equipment Control 425
Layout Drawing of Front Work Equipment 426
Layout Drawing of Variable Giant Ripper 427
Layout Drawing of Variable Multi-Shank Ripper 428
Component Parts of Work Equipment System 429
Self-Pressure Reducing Valve 429
Work Equipment Lock Solenoid Valve 435
Pilot Circuit Accumulator 437
Quick Drop Valve 438
Piston Valve 443
Electric Blade Control Lever 443
Ripper Electric Lever 445
Undercarriage and Frame 446
Main Frame 446
Structure of Main Frame 446
Suspension 447
Structure of Suspension 447
Function of Suspension 449
Track Frame and Idler Cushion 450
Structure of Track Frame and Idler Cushion 450
Specifications of Track Frame and Idler Cushion 451
Function of Track Frame and Idler Cushion 451
Work Equipment 452
Structure of Front Work Equipment 452
Structure of Cylinder Stay 454
Structure of Variable Giant Ripper 455
Structure of Variable Multi-Shank Ripper 456
CAB Related Parts 457
ROPS CAB 457
Structure of ROPS CAB 457
Function of ROPS CAB 457
CAB Mount 458
Structure of CAB Mount 458
20 Standard Value Table 459
Table of Contents 460
Standard Value Table for Engine 461
Standard Value Table for Engine: D155AX-8 461
Standard Value Table for Engine: D155PX-8 466
Standard Value Table for Machine 471
Standard Value Table for Machine: D155AX-8 471
Standard Value Table for Machine: D155PX-8 488
Machine Posture and Procedures to Measure Performance 504
Standard Value Table for Electricity 506
Standard Value Table for Electricity 506
30 Testing and Adjusting 517
Table of Contents 518
Precautions Before Work 521
Related Information on Testing and Adjusting 522
Tools for Testing and Adjusting 522
Sketch of Tools for Testing and Adjusting 530
Engine and Cooling System 533
Examine Engine Speed 533
How to Examine Engine Speed 533
Examine Boost Pressure 538
How to Examine Boost Pressure 538
Examine Exhaust Gas Temperature 540
How to Examine Exhaust Gas Temperature 540
Examine Exhaust Gas Color 543
How to Examine Exhaust Gas Color with the Handy Smoke Checker 543
How to Examine Exhaust Gas Color with Smoke Meter 544
Examine Mass Air Flow and Temperature Sensor 545
How to Examine Mass Air Flow and Temperature Sensor 545
Examine and Adjust Valve Clearance 547
How to Examine Valve Clearance 547
How to Adjust Valve Clearance 548
Examine Compression Pressure 550
How to Examine Compression Pressure 550
Examine Blowby Pressure 553
How to Examine Blowby Pressure 553
Examine Engine Oil Pressure 555
How to Examine Engine Oil Pressure on Machine Monitor 555
How to Examine Engine Oil Pressure by Testing Tool 555
Examine EGR Valve and VGT Oil Pressure 557
How to Examine EGR Valve and VGT Oil Pressure 557
Examine Fuel Pressure 559
How to Examine Fuel Pressure 559
Examine Fuel Return Rate and Leakage 561
How to Examine Fuel Return Rate and Leakage 562
Bleed Air from Fuel System 566
How to Bleed Air from Fuel System 566
Examine Fuel Circuit for Leakage 568
How to Examine Fuel System for Leakage 568
Handle Cylinder Cut-out Mode Operation 570
Handle No-Injection Cranking Operation 571
Clean Fuel Doser 572
How to Clean Fuel Doser 572
Write Injector Compensation Value to Engine Controller 574
How to Write Injector Compensation Value 574
Write Correction for Ash in Soot Accumulation to Engine Controller 580
How to Write Correction for Ash in Soot Accumulation to Engine Controller 580
Examine SCR Related Functions 581
Examine DEF Pump Raised Pressure 585
Examine Injection Volume from DEF Injector 588
Examine DEF Line Heater Relay 1 593
Examine DEF Line Heater Relay 2 596
Examine DEF Pump Heater Relay 599
Examine DEF Tank Heater Valve 602
Examine SCR Denitration Efficiency 605
Clean DEF Tank 608
How to Clean DEF Tank 609
Clean DEF Pump 614
How to Clean DEF Pump 614
Adjust Decelerator Pedal 621
How to Adjust Decelerator Pedal 621
Power Train 624
Examine Power Train Oil Pressure 624
How to Examine Power Train Oil Pressure 625
Adjust Transmission Output Shaft Speed Sensor 635
How to Adjust Transmission Output Shaft Speed Sensor 635
Examine Brake Performance Simply 636
How to Examine Brake Performance Simply 636
Examine and Adjust Brake Pedal 637
How to Examine Brake Pedal 637
How to Adjust Brake Pedal 638
Adjust Parking Brake Lever 641
How to Adjust Parking Brake Lever 641
Move Machine by Parking Brake Release When Machine Does Not Travel 643
How to Move Machine with Hydraulic Type Parking Brake Release System 643
How to Move Machine with Electric Type Parking Brake Release System 644
Undercarriage and Frame 647
Adjust Idler Clearance 647
How to Adjust Idler Clearance 647
How to Adjust Idler Clearance (D155PX-8) 649
Examine and Adjust Track Tension 651
How to Examine Track Tension 651
How to Examine Track Tension (D155PX-8) 652
How to Adjust Track Tension 652
How to Adjust Track Tension (D155PX-8) 652
Hydraulic System 654
Release Remained Pressure in Hydraulic Circuit 654
How to Release Remained Pressure in Hydraulic System 654
Examine and Adjust Work Equipment and HSS Oil Pressure 655
How to Examine Work Equipment and HSS Oil Pressure 655
How to Adjust Oil Pressure of Work Equipment and HSS 658
Examine Oil Pressure of Control Circuit 660
How to Examine Oil Pressure in Control Circuit 660
Examine Work Equipment Lock Solenoid Valve Outlet Pressure 662
How to Examine Work Equipment Lock Solenoid Valve Outlet Pressure 662
Examine Ripper Pin Puller Solenoid Valve Outlet Pressure 664
How to Examine Ripper Pin Puller Solenoid Valve Outlet Pressure 664
Bleed Air from Work Equipment and HSS Pump 666
How to Bleed Air from Work Equipment and HSS Pump 666
Examine Cooling Fan Speed 667
How to Examine Cooling Fan Speed 667
Examine Cooling Fan Circuit Oil Pressure 668
How to Examine Cooling Fan Circuit Oil Pressure 668
Bleed Air in Cooling Fan Pump 670
How to Bleed Air in Cooling Fan Pump 670
Examine Parts Which Cause Hydraulic Drift of Work Equipment 671
How to Examine Parts Which Cause Hydraulic Drift of Blade Lift Cylinder 671
How to Examine the Parts Which Cause Hydraulic Drift of Blade Tilt Cylinder 671
How to Examine the Parts Which Cause Hydraulic Drift of Ripper Lift Cylinder 672
Examine Oil Leakage from Work Equipment Cylinder 673
How to Examine Internal Oil Leakage of Work Equipment Cylinder 673
Bleed Air from Work Equipment Cylinders 675
How to Bleed Air from Work Equipment Cylinder 675
Operation When Work Equipment is Disabled 676
How to Operate When Work Equipment is Disabled 676
Work Equipment 678
Adjust Work Equipment Lock Lever 678
How to Adjust Work Equipment Lock Lever 678
Examine and Adjust Play of Blade Electric Lever 680
How to Examine Play of Blade Electric Lever 682
How to Adjust Play of Blade Electric Lever 682
How to Replace Universal Joint 683
CAB Related Parts 690
Examine and Adjust Operator Cab 690
How to Examine Operator Cab 690
How to Adjust Operator Cab 693
Electrical System 695
Set and Operate Machine Monitor 695
Operator Mode 699
Function to Show Technician Identification Status Screen 699
Function to Show Operator Identification Input Screen 699
Examine Function by LCD (Liquid Crystal Display) 700
Examine Function of Service Meter 700
How to Set Usage Limitation and Change Maintenance Password 700
Service Mode 703
How to Operate Service Mode 703
How to See Pre-defined Monitoring Information 705
How to Examine Self-Define Monitor Information 710
Abnormality Record Menu 722
How to See Maintenance Record 726
Maintenance Mode Setting 727
How to Set Phone Number Entry 731
Default Menu 732
Diagnostic Tests Menu 741
Adjustment Menu 750
No-Injection Cranking Operation 815
KOMTRAX Settings Menu 817
How to Show Service Message 819
How to Start Up KOMTRAX Terminal (Machine with KOMTRAX Terminal) 821
Stop Use of KOMTRAX Terminal (Machine with KOMTRAX Terminal) 825
How to Start Up KOMTRAX System (Machine with Gateway Function Controller) 827
Stop Use of KOMTRAX System (Machine with Gateway Function Controller) 832
How to Start Up KOMTRAX Terminal 834
Adjust Rearview Camera Angle 839
How to Adjust Rearview Camera Angle 839
Handle Voltage Circuit of Engine Controller 840
Handle Battery Disconnect Switch 841
Examine Diodes 842
How to Examine Diodes by Digital Tester 842
How to Examine Diodes by Analog Tester 842
Pm Clinic 843
Pm Clinic Service 843
Pm Clinic Check Sheet 845
Pm Clinic Check Sheet 860
Pm Clinic Check Sheet for Undercarriage 872
Pm Clinic Check Sheet for Undercarriage (D155PX-8) 874
40 Troubleshooting 877
Table of Contents 878
Precautions Before Work 890
Related Information to Troubleshooting 891
General Troubleshooting Points 891
Troubleshooting Points for Urea SCR System 892
Sequence of Events in Troubleshooting 906
Checks Before Troubleshooting 908
Inspection Procedure Before Troubleshooting 910
Walk-Around Check 910
Test in Accordance with Testing Procedure 912
Examine Fuel Level and Type 912
Examine for Impure Ingredient in Fuel 912
Examine DEF Level and Type 913
Examine Fuel Prefilter 913
Examine Fuel Main Filter 915
Examine Engine Oil Level (Oil Quantity in Oil Pan) and Type 916
Examine Coolant Level (Reservoir Tank) 917
Examine Air Cleaner Clogging 918
Clean Outer Element 919
Replace Element 921
Examine Hydraulic Oil Level 921
Examine Hydraulic Oil Strainer 923
Examine Hydraulic Oil Filter 924
Examine Oil Level in Power Train Case 924
Examine Power Train Strainer 926
Examine Power Train Filter 927
Examine Oil Level in Damper Case 927
Examine Oil Level in Final Drive Case 928
How to Examine Electric Equipment 930
Procedure for Troubleshooting 937
Symptom and Troubleshooting Numbers 940
Information Shown in Troubleshooting Table 943
Connector List and Layout (Machine with KOMTRAX Terminal) 945
Connectors List (Machine with Gateway Function Controller) 961
Connector Layout (Machine with Gateway Function Controller) 970
Connector Contact Connection Table 977
T-Branch Box and T-Branch Adapter Table 1017
Fuse Location Table 1023
Precautions When You Clean and Replace KDPF (KCSF and KDOC) 1026
Prepare Short Circuit Electrical Connector (For Failure Codes [CA1883] and [CA3135]) 1030
Failure Code Table (Machine with KOMTRAX Terminal) 1032
Failure Codes Table (Machine with Gateway Function Controller) 1054
Troubleshooting by Failure Code (Display of Code) 1078
Failure Code [1500L0] 1078
Failure Code [15SAL1] 1079
Failure Code [15SALH] 1081
Failure Code [15SBL1] 1083
Failure Code [15SBLH] 1085
Failure Code [15SEL1] 1087
Failure Code [15SELH] 1089
Failure Code [15SFL1] 1091
Failure Code [15SFLH] 1093
Failure Code [15SGL1] 1095
Failure Code [15SGLH] 1097
Failure Code [15SJL1] 1099
Failure Code [15SJLH] 1101
Failure Code [1800MW] 1103
Failure Code [2300NR] 1104
Failure Code [2301L1] 1105
Failure Code [2301LH] 1107
Failure Code [2302L1] 1109
Failure Code [2302LH] 1111
Failure Code [879AKA] 1113
Failure Code [879AKB] 1114
Failure Code [879BKA] 1115
Failure Code [879BKB] 1117
Failure Code [879CKA] 1119
Failure Code [879CKB] 1120
Failure Code [879DKZ] 1121
Failure Code [879EMC] 1123
Failure Code [879FMC] 1124
Failure Code [879GKX] 1125
Failure Code [989L00] 1127
Failure Code [989M00] 1128
Failure Code [989N00] 1129
Failure Code [A1U0N3] 1130
Failure Code [A1U0N4] 1132
Failure Code [AA10NX] 1134
Failure Code [AB00KE] 1136
Failure Code [AQ10N3] 1138
Failure Code [AS00N3] 1140
Failure Code [AS00R2] 1142
Failure Code [AS00R3] 1143
Failure Code [AS00R4] 1144
Failure Code [AS00R5] 1145
Failure Code [AS00R6] 1146
Failure Code [AS00ZK] 1147
Failure Code [AS10KM] 1148
Failure Code [AS10NR] 1149
Failure Code [AS10NT] 1150
Failure Code [B@BAZG] 1151
Failure Code [B@BCNS] 1152
Failure Code [B@BCQA] 1153
Failure Code [B@BCZK] 1155
Failure Code [B@CENS] 1157
Failure Code [B@HANS] 1158
Failure Code [CA115] 1159
Failure Code [CA122] 1160
Failure Code [CA123] 1162
Failure Code [CA131] 1164
Failure Code [CA132] 1166
Failure Code [CA135] 1168
Failure Code [CA141] 1170
Failure Code [CA144] 1172
Failure Code [CA145] 1174
Failure Code [CA153] 1176
Failure Code [CA154] 1179
Failure Code [CA187] 1182
Failure Code [CA221] 1184
Failure Code [CA222] 1186
Failure Code [CA227] 1188
Failure Code [CA234] 1189
Failure Code [CA238] 1190
Failure Code [CA239] 1192
Failure Code [CA249] 1194
Failure Code [CA256] 1196
Failure Code [CA271] 1198
Failure Code [CA272] 1200
Failure Code [CA273] 1201
Failure Code [CA274] 1203
Failure Code [CA322] 1204
Failure Code [CA323] 1206
Failure Code [CA324] 1208
Failure Code [CA325] 1210
Failure Code [CA331] 1212
Failure Code [CA332] 1214
Failure Code [CA343] 1216
Failure Code [CA351] 1217
Failure Code [CA352] 1218
Failure Code [CA356] 1221
Failure Code [CA357] 1223
Failure Code [CA386] 1226
Failure Code [CA441] 1227
Failure Code [CA442] 1230
Failure Code [CA449] 1231
Failure Code [CA451] 1232
Failure Code [CA452] 1234
Failure Code [CA515] 1236
Failure Code [CA516] 1238
Failure Code [CA553] 1240
Failure Code [CA555] 1241
Failure Code [CA556] 1242
Failure Code [CA559] 1243
Failure Code [CA595] 1248
Failure Code [CA687] 1249
Failure Code [CA689] 1251
Failure Code [CA691] 1253
Failure Code [CA692] 1255
Failure Code [CA697] 1257
Failure Code [CA698] 1258
Failure Code [CA731] 1259
Failure Code [CA778] 1260
Failure Code [CA1117] 1263
Failure Code [CA1664] 1264
Failure Code [CA1669] 1267
Failure Code [CA1673] 1268
Failure Code [CA1677] 1269
Failure Code [CA1678] 1270
Failure Code [CA1682] 1271
Failure Code [CA1683] 1273
Failure Code [CA1684] 1275
Failure Code [CA1686] 1277
Failure Code [CA1691] 1278
Failure Code [CA1694] 1281
Failure Code [CA1695] 1283
Failure Code [CA1696] 1284
Failure Code [CA1712] 1286
Failure Code [CA1713] 1289
Failure Code [CA1714] 1291
Failure Code [CA1715] 1292
Failure Code [CA1776] 1293
Failure Code [CA1777] 1296
Failure Code [CA1843] 1299
Failure Code [CA1844] 1301
Failure Code [CA1879] 1304
Failure Code [CA1881] 1307
Failure Code [CA1883] 1309
Failure Code [CA1885] 1313
Failure Code [CA1887] 1315
Failure Code [CA1921] 1317
Failure Code [CA1922] 1320
Failure Code [CA1923] 1325
Failure Code [CA1924] 1327
Failure Code [CA1925] 1329
Failure Code [CA1927] 1331
Failure Code [CA1928] 1333
Failure Code [CA1942] 1335
Failure Code [CA1963] 1336
Failure Code [CA1977] 1339
Failure Code [CA1993] 1342
Failure Code [CA2185] 1345
Failure Code [CA2186] 1347
Failure Code [CA2249] 1349
Failure Code [CA2265] 1350
Failure Code [CA2266] 1352
Failure Code [CA2271] 1355
Failure Code [CA2272] 1357
Failure Code [CA2349] 1359
Failure Code [CA2353] 1361
Failure Code [CA2357] 1363
Failure Code [CA2381] 1364
Failure Code [CA2382] 1366
Failure Code [CA2383] 1368
Failure Code [CA2386] 1370
Failure Code [CA2387] 1372
Troubleshooting Flowchart 1376
Failure Code [CA2555] 1377
Failure Code [CA2556] 1380
Failure Code [CA2637] 1382
Failure Code [CA2639] 1384
Failure Code [CA2732] 1387
Failure Code [CA2733] 1389
Failure Code [CA2741] 1391
Failure Code [CA2765] 1392
Failure Code [CA2771] 1393
Failure Code [CA2777] 1399
Failure Code [CA2878] 1402
Failure Code [CA2881] 1405
Failure Code [CA2976] 1408
Failure Code [CA3133] 1410
Failure Code [CA3134] 1412
Failure Code [CA3135] 1414
Failure Code [CA3142] 1418
Failure Code [CA3143] 1419
Failure Code [CA3144] 1420
Failure Code [CA3146] 1422
Failure Code [CA3147] 1423
Failure Code [CA3148] 1424
Failure Code [CA3151] 1426
Failure Code [CA3165] 1432
Failure Code [CA3167] 1434
Failure Code [CA3229] 1437
Failure Code [CA3231] 1439
Failure Code [CA3232] 1441
Failure Code [CA3235] 1445
Failure Code [CA3239] 1447
Failure Code [CA3241] 1450
Failure Code [CA3242] 1453
Failure Code [CA3251] 1456
Failure Code [CA3253] 1459
Failure Code [CA3254] 1463
Failure Code [CA3255] 1466
Failure Code [CA3256] 1470
Failure Code [CA3311] 1472
Failure Code [CA3312] 1474
Failure Code [CA3313] 1477
Failure Code [CA3314] 1478
Failure Code [CA3315] 1479
Failure Code [CA3316] 1482
Failure Code [CA3317] 1483
Failure Code [CA3318] 1484
Failure Code [CA3319] 1487
Failure Code [CA3321] 1488
Failure Code [CA3322] 1490
Failure Code [CA3419] 1493
Failure Code [CA3421] 1495
Failure Code [CA3497] 1497
Failure Code [CA3498] 1498
Failure Code [CA3543] 1499
Failure Code [CA3545] 1506
Failure Code [CA3547] 1508
Failure Code [CA3558] 1509
Failure Code [CA3559] 1511
Failure Code [CA3562] 1513
Failure Code [CA3563] 1515
Failure Code [CA3567] 1518
Failure Code [CA3568] 1521
Failure Code [CA3571] 1525
Failure Code [CA3572] 1527
Failure Code [CA3574] 1529
Failure Code [CA3575] 1531
Failure Code [CA3577] 1533
Failure Code [CA3578] 1535
Failure Code [CA3582] 1537
Failure Code [CA3583] 1544
Failure Code [CA3596] 1546
Failure Code [CA3649] 1548
Failure Code [CA3681] 1550
Failure Code [CA3682] 1555
Failure Code [CA3713] 1561
Failure Code [CA3717] 1564
Failure Code [CA3718] 1565
Failure Code [CA3725] 1566
Failure Code [CA3748] 1569
Failure Code [CA3751] 1572
Failure Code [CA3755] 1574
Failure Code [CA3866] 1576
Failure Code [CA3867] 1580
Failure Code [CA3868] 1583
Failure Code [CA3899] 1587
Failure Code [CA3911] 1589
Failure Code [CA3912] 1593
Failure Code [CA3932] 1595
Failure Code [CA3933] 1597
Failure Code [CA3934] 1599
Failure Code [CA3935] 1602
Failure Code [CA3936] 1604
Failure Code [CA4151] 1606
Failure Code [CA4152] 1610
Failure Code [CA4155] 1614
Failure Code [CA4156] 1616
Failure Code [CA4157] 1619
Failure Code [CA4158] 1621
Failure Code [CA4159] 1622
Failure Code [CA4161] 1623
Failure Code [CA4162] 1626
Failure Code [CA4163] 1629
Failure Code [CA4164] 1631
Failure Code [CA4165] 1633
Failure Code [CA4166] 1635
Failure Code [CA4168] 1637
Failure Code [CA4169] 1640
Failure Code [CA4171] 1642
Failure Code [CA4249] 1645
Failure Code [CA4251] 1647
Failure Code [CA4259] 1649
Failure Code [CA4261] 1652
Failure Code [CA4277] 1655
Failure Code [CA4281] 1659
Failure Code [CA4459] 1663
Failure Code [CA4461] 1666
Failure Code [CA4658] 1669
Failure Code [CA4731] 1673
Failure Code [CA4732] 1674
Failure Code [CA4739] 1675
Failure Code [CA4768] 1676
Failure Code [CA4769] 1678
Failure Code [CA4842] 1681
Failure Code [CA4952] 1685
Failure Code [CA5115] 1687
Failure Code [CA5383] 1690
Failure Code [D130KA] 1692
Failure Code [D130KB] 1695
Failure Code [D190KA] 1697
Failure Code [D190KB] 1699
Failure Code [D19JKZ] 1701
Failure Code [D811MC] (Machine with KOMTRAX Terminal) 1704
Failure Code [D811MC] (Machine with Gateway Function Controller) 1705
Failure Code [D862KA] (Machine with KOMTRAX Terminal) 1706
Failure Code [D862KA] (Machine with Gateway Function Controller) 1707
Failure Code [D8ALKA] (Machine with KOMTRAX Terminal) 1708
Failure Code [D8ALKA] (Machine with Gateway Function Controller) 1710
Failure Code [D8ALKB] (Machine with KOMTRAX Terminal) 1712
Failure Code [D8ALKB] (Machine with Gateway Function Controller) 1715
Failure Code [D8AQKR] 1718
Failure Code [D8ARKR] (Machine with Gateway Function Controller) 1719
Failure Code [D8G1KT] (Machine with Gateway Function Controller) 1721
Failure Code [D8G6KT] (Machine with Gateway Function Controller) 1722
Failure Code [DAF0MB] 1723
Failure Code [DAF0MC] 1724
Failure Code [DAF8KB] 1725
Failure Code [DAF9KQ] 1726
Failure Code [DAFGMC] 1727
Failure Code [DAFLKA] 1728
Failure Code [DAFLKB] 1730
Failure Code [DAFQKR] 1733
Failure Code [DAZ9KQ] 1734
Failure Code [DAZQKR] 1735
Failure Code [DB2QKR] 1736
Failure Code [DB2RKR] 1742
Failure Code [DB90KT] 1748
Failure Code [DB90MC] 1749
Failure Code [DB91KK] 1750
Failure Code [DB92KK] 1753
Failure Code [DB95KK] 1755
Failure Code [DB97KK] 1758
Failure Code [DB99KQ] 1760
Failure Code [DB9LKA] 1762
Failure Code [DB9LKB] 1764
Failure Code [DB9QKR] 1766
Failure Code [DB9RKR] 1767
Failure Code [DBE0KT] 1769
Failure Code [DBE0MC] 1770
Failure Code [DBE1KK] 1771
Failure Code [DBE2KK] 1774
Failure Code [DBE5KK] 1777
Failure Code [DBE6KK] 1779
Failure Code [DBE9KQ] 1781
Failure Code [DBELKA] 1782
Failure Code [DBELKB] 1784
Failure Code [DBEQKR] 1786
Failure Code [DBERKR] 1787
Failure Code [DD12KA] 1789
Failure Code [DD12KB] 1791
Failure Code [DD13KA] 1793
Failure Code [DD13KB] 1795
Failure Code [DD14KA] 1797
Failure Code [DD14KB] 1800
Failure Code [DDDDKA] 1802
Failure Code [DDDDKB] 1805
Failure Code [DDDDKX] 1808
Failure Code [DDKAKA] 1809
Failure Code [DDKAKB] 1811
Failure Code [DDKBKA] 1813
Failure Code [DDKBKB] 1815
Failure Code [DDKCL4] 1817
Failure Code [DDKEL4] 1820
Failure Code [DDN7L4] 1823
Failure Code [DDN8L4] 1826
Failure Code [DDNLKA] 1829
Failure Code [DDNLKB] 1831
Failure Code [DDTSL1] 1833
Failure Code [DDTSLH] 1835
Failure Code [DFA4KX] 1837
Failure Code [DFA4KZ] 1838
Failure Code [DFA4L8] 1839
Failure Code [DFA5KA] 1840
Failure Code [DFA5KY] 1843
Failure Code [DFA6KA] 1845
Failure Code [DFA6KY] 1848
Failure Code [DFA7KX] 1850
Failure Code [DFA7KZ] 1851
Failure Code [DFA7L8] 1852
Failure Code [DFA8KA] 1853
Failure Code [DFA8KY] 1856
Failure Code [DFA9KA] 1858
Failure Code [DFA9KY] 1861
Failure Code [DFAAKX] 1863
Failure Code [DFAAKZ] 1864
Failure Code [DFAAL8] 1865
Failure Code [DFABKA] 1866
Failure Code [DFABKY] 1869
Failure Code [DFACKA] 1871
Failure Code [DFACKY] 1874
Failure Code [DGS1KA] 1876
Failure Code [DGS1KX] 1878
Failure Code [DGT1KA] 1880
Failure Code [DGT1KX] 1883
Failure Code [DH21KA] 1885
Failure Code [DH21KY] 1888
Failure Code [DHA4KA] 1890
Failure Code [DHAAMA] 1892
Failure Code [DHACMA] 1894
Failure Code [DHT5KA] 1896
Failure Code [DHT5KY] 1899
Failure Code [DHT7KA] 1901
Failure Code [DHT7KY] 1904
Failure Code [DK10KA] 1906
Failure Code [DK10KB] 1909
Failure Code [DK30KA] 1911
Failure Code [DK30KX] 1914
Failure Code [DK30KY] 1915
Failure Code [DK30KZ] 1917
Failure Code [DK30L8] 1918
Failure Code [DK31KA] 1919
Failure Code [DK31KY] 1922
Failure Code [DK40KA] 1924
Failure Code [DK40KY] 1927
Failure Code [DK55KX] 1929
Failure Code [DK55KZ] 1930
Failure Code [DK55L8] 1931
Failure Code [DK56KA] 1932
Failure Code [DK56KY] 1935
Failure Code [DK57KA] 1937
Failure Code [DK57KY] 1940
Failure Code [DKH1KA] 1942
Failure Code [DKH1KY] 1945
Failure Code [DLM3KA] 1947
Failure Code [DLM3KB] 1949
Failure Code [DLM3MB] 1950
Failure Code [DLT3KA] 1951
Failure Code [DLT3KB] 1953
Failure Code [DR21KX] 1955
Failure Code [DR31KX] 1956
Failure Code [DV20KB] 1957
Failure Code [DW7BKA] 1959
Failure Code [DW7BKB] 1961
Failure Code [DWN1KA] 1963
Failure Code [DWN1KB] 1965
Failure Code [DWN1KY] 1967
Failure Code [DWN2KA] 1968
Failure Code [DWN2KB] 1970
Failure Code [DWN2KY] 1971
Failure Code [DWN3KA] 1972
Failure Code [DWN3KB] 1974
Failure Code [DWN3KY] 1976
Failure Code [DWN5KA] 1978
Failure Code [DWN5KB] 1980
Failure Code [DWN5KY] 1982
Failure Code [DXA2KA] 1984
Failure Code [DXA2KB] 1986
Failure Code [DXA2KY] 1988
Failure Code [DXH1KA] 1990
Failure Code [DXH1KB] 1992
Failure Code [DXH1KY] 1994
Failure Code [DXH4KA] 1996
Failure Code [DXH4KB] 1998
Failure Code [DXH4KY] 2000
Failure Code [DXH5KA] 2002
Failure Code [DXH5KB] 2004
Failure Code [DXH5KY] 2006
Failure Code [DXH6KA] 2008
Failure Code [DXH6KB] 2010
Failure Code [DXH6KY] 2011
Failure Code [DXH7KA] 2013
Failure Code [DXH7KB] 2015
Failure Code [DXH7KY] 2017
Failure Code [DXH8KA] 2019
Failure Code [DXH8KB] 2021
Failure Code [DXH8KY] 2023
Failure Code [DXHBKA] 2025
Failure Code [DXHBKB] 2027
Failure Code [DXHBKY] 2029
Failure Code [DXHCKA] 2031
Failure Code [DXHCKB] 2033
Failure Code [DXHCKY] 2035
Failure Code [DXHRKA] 2037
Failure Code [DXHRKB] 2039
Failure Code [DXHRKY] 2040
Failure Code [DXHSKA] 2042
Failure Code [DXHSKB] 2044
Failure Code [DXHSKY] 2045
Failure Code [DXHTKA] 2047
Failure Code [DXHTKB] 2049
Failure Code [DXHTKY] 2051
Failure Code [DXHUKA] 2053
Failure Code [DXHUKB] 2055
Failure Code [DXHUKY] 2057
Failure Code [DXHWKA] 2059
Failure Code [DXHWKB] 2061
Failure Code [DXHWKY] 2062
Failure Code [DXHXKA] 2064
Failure Code [DXHXKB] 2066
Failure Code [DXHXKY] 2067
Failure Code [DXHYKA] 2069
Failure Code [DXHYKB] 2071
Failure Code [DXHYKY] 2072
Failure Code [DXHZKA] 2074
Failure Code [DXHZKB] 2076
Failure Code [DXHZKY] 2077
Failure Code [DXJ4KA] 2079
Failure Code [DXJ4KB] 2081
Failure Code [DXJ8KA] 2082
Failure Code [DXJ8KB] 2084
Failure Code [DXJ8KY] 2086
Failure Code [DXJ9KA] 2088
Failure Code [DXJ9KB] 2090
Failure Code [DXJ9KY] 2092
Failure Code [DXJAKA] 2094
Failure Code [DXJAKB] 2096
Failure Code [DXJAKY] 2098
Failure Code [DXJBKA] 2100
Failure Code [DXJBKB] 2102
Failure Code [DXJBKY] 2104
Failure Code [F311KA] 2106
Failure Code [F311KB] 2108
Failure Code [F312KA] 2110
Failure Code [F312KB] 2112
Failure Code [F313KA] 2114
Failure Code [F313KB] 2116
Failure Code [F314KA] 2119
Failure Code [F314KB] 2121
Failure Code [F315KB] 2123
Failure Code [F315KY] 2125
Failure Code [F316KB] 2127
Failure Code [F316KY] 2129
Failure Code [F318KB] 2131
Failure Code [F318KY] 2134
Failure Code [F31AKB] 2136
Failure Code [F31AKY] 2138
Failure Code [F31BKB] 2140
Failure Code [F31BKY] 2142
Failure Code [F31CKB] 2144
Failure Code [F31CKY] 2146
Failure Code [F31DKB] 2148
Failure Code [F31DKY] 2150
Failure Code [F31EKB] 2152
Failure Code [F31EKY] 2154
Failure Code [F7FQKR] 2156
Failure Code [F7G0MC] 2159
Troubleshooting of Electrical System (E-Mode) 2160
E-1 Engine Does Not Start (Engine Does Not Crank) 2160
E-2 Manual Preheating System Does Not Operate 2167
E-3 Automatic Preheating System Does Not Operate 2170
E-4 While Preheating is in Operation, Preheating Monitor Does Not Come On 2172
E-5 When Starting Switch is Turned to ON Position, Machine Monitor Shows Nothing 2174
E-6 While Starting Switch is Turned to ON Position (with Engine Stopped), Radiator Coolant Level Monitor Comes On in Yellow 2178
E-7 Air Cleaner Clogging Monitor Comes On in Yellow While Engine is in Operation 2180
E-8 Charge Level Monitor Comes On in Red While Engine is in Operation 2181
E-9 Engine Coolant Temperature Monitor Comes On in Red While Engine is in Operation 2183
E-10 Engine Oil Pressure Monitor Comes on in Red While Engine is in Operation 2184
E-11 Power Train Oil Temperature Monitor Comes On in Red While Engine is in Operation 2185
E-12 Hydraulic Oil Temperature Monitor Comes On in Red While Engine is in Operation 2186
E-13 Engine Coolant Temperature Gauge Does Not Show Correct Temperature 2187
E-14 Fuel Gauge Does Not Show Normally 2188
E-15 Power Train Oil Temperature Gauge Does Not Show Correct Temperature 2190
E-16 Hydraulic Oil Temperature Gauge Does Not Show Correct Temperature 2191
E-17 Operation Mode Does Not Change 2192
E-18 Gear Shift Mode Does Not Change 2193
E-19 Operating Customize Switch Does Not Display Customize Screen 2194
E-20 Modifying Setting on Customize Screen Does Not Change Setting of Machine 2195
E-21 Some Areas of Machine Monitor Screen are Not Shown 2196
E-22 Alarm Buzzer Does Not Sound or Cannot be Stopped 2197
E-23 Service Meter is Not Shown, While Starting Switch is in OFF Position 2198
E-24 Machine Does Not Change to Service Mode 2199
E-25 Horn Does Not Sound 2200
E-26 Horn Does Not Stop 2202
E-27 Backup Alarm Does Not Sound 2203
E-28 Backup Alarm Does Not Stop 2204
E-29 Headlamp Does Not Come On 2205
E-30 Rear Lamp and Ripper Point Lamp Do Not Come On 2209
E-31 No Wiper Operates 2213
E-32 Front Wiper Does Not Operate 2218
E-33 Rear Wiper Does Not Operate 2222
E-34 Left Door Wiper Does Not Operate 2226
E-35 Right Door Wiper Does Not Operate 2230
E-36 Fuel Feed Pump Does Not Operate or Stop Automatically 2234
E-37 Fan Does Not Rotate in Reverse 2235
E-38 Gear Cannot be Shifted 2236
E-39 Front Washer Does Not Operate 2237
E-40 Rear Washer Does Not Operate 2240
E-41 Left Door Washer Does Not Operate 2243
E-42 Right Door Washer Does Not Operate 2246
E-43 Ripper Pin Puller Does Not Work 2249
E-44 KOMTRAX System Does Not Operate Correctly 2251
Troubleshooting for Hydraulic and Mechanical Systems (H Mode) 2252
Information Shown in Troubleshooting Table (H-Mode) 2252
System Chart of Hydraulic and Mechanical Systems 2253
Failure Mode and Cause Table 2257
H-1 Machine Power is Not Sufficient (Not Sufficient Drawbar Pull) 2265
H-2 Machine Does Not Travel (at 2nd or 3rd Gear Speed) 2268
H-3 Machine Does Not Move Off at All Gear Speeds 2270
H-4 Machine Travels Only in One Direction, Forward or in Reverse 2273
H-5 Large Time Lag is in Gear Shifting or Directional Change 2274
H-6 Brake Does Not Work 2276
H-7 Power Train Oil Overheats 2277
H-8 Unusual Noise is Heard from Around Work Equipment and HSS Pump or HSS Motor 2279
H-9 Torque Converter Lockup Clutch Does Not Engage 2280
H-10 Machine Cannot be Steered (Machine Does Not Turn LEFT or RIGHT) 2281
H-11 Steering Speed or Power is Not Sufficient 2283
H-12 All Work Equipment Operate Slowly 2285
H-13 All Work Equipment Do Not Operate 2287
H-14 Blade Lift Speed or Power is Low 2289
H-15 Blade Tilt Speed or Power is Low 2291
H-16 Ripper Lift Speed or Power is Low 2293
H-17 Ripper Tilt Speed or Power is Low 2295
H-18 Hydraulic Drift of Blade Lift is Large 2297
H-19 Hydraulic Drift of Tilted Blade is Large 2298
H-20 Hydraulic Drift of Lifted Ripper is Large 2299
H-21 Ripper Pin Puller Cylinder Does Not Operate 2300
H-22 Blade Pitch Cylinder Does Not Operate 2301
H-23 Fan Speed is Abnormal (Too High or Low, or Does Not Rotate) 2302
H-24 Unusual Noise is Heard from Around Fan 2303
Troubleshooting of Engine (S-Mode) 2304
Information Shown in Troubleshooting Table (S-Mode) 2304
S-1 Engine Does Not Crank When Starting Switch is Turned to Start Position 2305
S-2 Engine Cranks but No Exhaust Smoke Comes Out 2306
S-3 Fuel is Injected but Engine Does Not Start (Misfiring: Engine Cranks but Does Not Start) 2307
S-4 Engine Startability is Unsatisfactory 2308
S-5 Engine Does Not Pick Up Smoothly 2310
S-6 Engine Stops During Operation 2312
S-7 Engine Runs Rough or is Not Stable 2314
S-8 Engine Lacks Power 2315
S-9 KDPF Becomes Clogged in a Short Time 2317
S-10 Engine Oil Consumption is Excessive 2319
S-11 Oil Becomes Dirty Quickly 2320
S-12 Fuel Consumption is Excessive 2321
S-13 Oil is in Coolant (or Coolant Spurts Back or Coolant 2322
S-14 Oil Pressure Drops 2323
S-15 Fuel Mixes Into Engine Oil 2325
S-16 Water Mixes Into Engine Oil (Milky) 2326
S-17 Coolant Temperature Increases Too High (Overheating) 2327
S-18 Unusual Noise is Heard 2328
S-19 Vibration is Excessive 2329
S-20 Air Cannot be Bled from Fuel Circuit 2330
S-21 Active Regeneration is Done Frequently 2331
S-22 Active Regeneration Continues Long 2333
S-23 White Smoke is Exhausted During Active Regeneration 2334
S-24 DEF Consumption is Excessive 2335
S-25 There is Unusual Smell (Irritating Odor) 2337
S-26 Foreign Materials Enter DEF (DEF Increases) 2338
50 Disassembly and Assembly 2339
Table of Contents 2340
Precautions Before Work 2347
Related Information on Disassembly and Assembly 2348
How to Read This Manual 2348
Coating Materials List 2349
Special Tool List 2354
Sketches of Special Tools 2382
Engine and Cooling System 2410
Remove and Install Supply Pump Assembly 2410
How to Remove Supply Pump Assembly 2410
How to Install Supply Pump Assembly 2417
Remove and Install Injector Assembly 2426
How to Remove Injector Assembly 2426
How to Install Injector Assembly 2434
Remove and Install Fuel Doser Assembly 2445
How to Remove Fuel Doser Assembly 2445
How to Install Fuel Doser Assembly 2446
Remove and Install Cylinder Head Assembly 2447
How to Remove Cylinder Head Assembly 2448
How to Install Cylinder Head Assembly 2459
Remove and Install EGR Valve Assembly 2477
How to Remove EGR Valve Assembly 2477
How to Install EGR Valve Assembly 2478
Remove and Install EGR Cooler Assembly 2480
How to Remove EGR Cooler Assembly 2480
How to Install EGR Cooler Assembly 2483
Remove and Install Starter Assembly 2486
How to Remove Starting Motor Assembly 2486
How to Install Starting Motor Assembly 2487
Remove and Install Alternator Belt 2490
How to Remove Alternator Belt 2490
How to Install Alternator Belt 2491
Remove and Install Radiator Assembly 2493
How to Remove Radiator Assembly 2493
How to Install Radiator Assembly 2498
Remove and Install Hydraulic Oil Cooler Assembly 2506
How to Remove Hydraulic Oil Cooler Assembly 2506
How to Install Hydraulic Oil Cooler Assembly 2508
Remove and Install Aftercooler Assembly 2510
How to Remove Aftercooler Assembly 2510
How to Install Aftercooler Assembly 2511
Remove and Install Cooling Fan Drive Assembly 2514
How to Remove Cooling Fan Drive Assembly 2514
How to Install Cooling Fan Drive Assembly 2516
Remove and Install Cooling Fan Motor Assembly 2519
How to Remove Cooling Fan Motor Assembly 2519
How to Install Cooling Fan Motor Assembly 2520
Remove and Install Engine Assembly 2522
How to Remove Engine Assembly 2523
How to Install Engine Assembly 2533
Remove and Install Engine Front Oil Seal 2542
How to Remove Engine Front Oil Seal 2542
How to Install Engine Front Oil Seal 2544
Remove and Install Engine Rear Oil Seal 2547
How to Remove Engine Rear Oil Seal 2547
How to Install Engine Rear Oil Seal 2548
Remove and Install Engine Hood Assembly 2552
How to Remove Engine Hood Assembly 2552
How to Install Engine Hood Assembly 2555
Remove and Install Fuel Tank Assembly 2559
How to Remove Fuel Tank Assembly 2559
How to Install Fuel Tank Assembly 2562
Remove and Install DEF Tank Assembly 2566
How to Remove DEF Tank Assembly 2566
How to Install DEF Tank Assembly 2572
Remove and Install DEF Tank Sensor Flange Assembly 2577
How to Remove DEF Tank Sensor Flange Assembly 2577
How to Install DEF Tank Sensor Flange Assembly 2583
Remove and Install DEF Tank Sensor 2589
How to Remove DEF Tank Sensor 2589
How to Install DEF Tank Sensor 2589
Remove and Install DEF Tank Strainer 2596
How to Remove DEF Tank Strainer 2596
How to Install DEF Tank Strainer 2596
Remove and Install DEF Tank Filler Port Filter 2597
How to Remove DEF Tank Filler Port Filter 2597
How to Install DEF Tank Filler Port Filter 2598
Remove and Install KDPF Assembly 2601
How to Remove KDPF Assembly 2601
How to Install KDPF Assembly 2606
Disassemble and Assemble KDPF Assembly 2611
How to Disassemble KDPF Assembly 2611
How to Assemble KDPF Assembly 2615
Remove and Install SCR Assembly 2620
How to Remove SCR Assembly 2620
How to Install SCR Assembly 2624
Remove and Install KDPF and SCR Assembly 2628
How to Remove KDPF and SCR Assembly 2628
How to Install KDPF and SCR Assembly 2634
Remove and Install KCCV Assembly 2641
How to Remove KCCV Assembly 2641
How to Install KCCV Assembly 2643
Remove and Install DEF Mixing Tube 2647
How to Remove DEF Mixing Tube 2647
How to Install DEF Mixing Tube 2652
Remove and Install DEF Injector 2659
How to Remove DEF Injector 2659
How to Install DEF Injector 2662
Remove and Install DEF Pump 2666
How to Remove DEF Pump 2666
How to Install DEF Pump 2670
Remove and Install DEF Hose 2675
How to Remove DEF Hose 2675
How to Install DEF Hose 2683
Remove and Install Air Cleaner Assembly 2692
How to Remove Air Cleaner Assembly 2692
How to Install Air Cleaner Assembly 2693
Remove and Install Air Conditioner Compressor Assembly 2695
How to Remove Air Conditioner Compressor Assembly 2695
How to Install Air Conditioner Compressor Assembly 2696
Remove and Install Air Conditioner Condenser Assembly 2698
How to Remove Air Conditioner Condenser Assembly 2698
How to Install Air Conditioner Condenser Assembly 2700
Power Train 2702
Remove and Install Damper Assembly 2702
How to Remove Damper Assembly 2702
How to Install Damper Assembly 2704
Disassemble and Assemble Damper Assembly 2707
How to Disassemble Damper Assembly 2707
How to Assemble Damper Assembly 2709
Remove and Install Power Train Unit Assembly 2712
How to Remove Power Train Unit Assembly 2712
How to Install Power Train Unit Assembly 2719
Disconnect and Connect Power Train Unit Assembly 2726
How to Disconnect Power Train Unit Assembly 2726
How to Connect Power Train Unit Assembly 2734
Disassemble and Assemble PTO Assembly 2742
How to Disassemble PTO Assembly 2742
How to Assemble PTO Assembly 2746
Disassemble and Assemble Torque Converter Assembly 2751
How to Disassemble Torque Converter Assembly 2751
How to Assemble Torque Converter Assembly 2757
Disassemble and Assemble Transmission Assembly 2764
How to Disassemble Transmission Assembly 2764
How to Assemble Transmission Assembly 2774
Disassemble and Assemble HSS Assembly 2786
How to Disassemble HSS Assembly 2787
How to Assemble HSS Assembly 2795
Remove and Install HSS Motor Assembly 2809
How to Remove HSS Motor Assembly 2809
How to Install HSS Motor Assembly 2810
Remove and Install Final Drive Assembly 2812
How to Remove Final Drive Assembly 2812
How to Install Final Drive Assembly 2814
Remove and Install Final Drive Assembly (D155PX-8) 2817
How to Remove Travel Motor and Final Drive Assembly (D155PX-8) 2817
How to Install Final Drive Assembly (D155PX-8) 2820
Disassemble and Assemble Final Drive Assembly 2823
How to Disassemble Final Drive Assembly 2824
How to Assemble Final Drive Assembly 2830
Undercarriage and Frame 2841
Remove and Install Track Frame Assembly (Applicable Machine: 100001 to 100616) 2841
How to Remove Track Frame Assembly 2842
How to Install Track Frame Assembly 2846
Remove and Install Track Frame Assembly (Applicable Machine: 100617 and up) 2851
How to Remove Track Frame Assembly (Applicable Machine: 100617 and up) 2851
How to Install Track Frame Assembly (Applicable Machine: 100617 and up) 2856
Remove and Install Track Frame Assembly (D155PX-8) 2860
How to Remove Track Frame Assembly (D155PX-8) 2861
How to Install Track Frame Assembly (D155PX-8) 2865
Remove and Install Track Frame Assembly (D155PX-8) (Applicable Machine: 100617 and up) 2871
How to Remove Track Frame Assembly (D155PX-8) (Applicable Machine: 100617 and up) 2871
How to Install Track Frame Assembly (D155PX-8) (Applicable Machine: 100617 and up) 2877
Remove and Install Idler Assembly 2881
How to Remove Idler Assembly 2881
How to Install Idler Assembly 2883
Remove and Install Idler Assembly (D155PX-8) 2885
How to Remove Idler Assembly (D155PX-8) 2885
How to Install Idler Assembly (D155PX-8) 2886
Disassemble and Assemble Idler Assembly 2888
How to Disassemble Idler Assembly 2888
How to Assemble Idler Assembly 2890
Disassemble and Assemble Idler Assembly (D155PX-8) 2894
How to Disassemble Idler Assembly (D155PX-8) 2894
How to Assemble Idler Assembly (D155PX-8) 2896
Remove and Install Recoil Spring Assembly 2899
How to Remove Recoil Spring Assembly 2899
How to Install Recoil Spring Assembly 2899
Remove and Install Recoil Spring Assembly (D155PX-8) 2900
How to Remove Recoil Spring Assembly (D155PX-8) 2900
How to Install Recoil Spring Assembly (D155PX-8) 2901
Disassemble and Assemble Recoil Spring Assembly 2903
How to Disassemble Recoil Spring Assembly 2903
How to Assemble Recoil Spring Assembly 2907
Disassemble and Assemble Recoil Spring (D155PX-8) 2910
How to Disassemble and Assemble Recoil Spring (D155PX-8) 2911
How to Assemble Recoil Spring Assembly (D155PX-8) 2915
Remove and Install Track Roller Assembly 2920
How to Remove Track Roller Assembly 2920
How to Install Track Roller Assembly 2922
Remove and Install Track Roller Assembly (D155AX-8) 2925
How to Remove Track Roller Assembly (D155PX-8) 2925
How to Install Track Roller Assembly (D155PX-8) 2926
Disassemble and Assemble Track Roller Assembly 2928
How to Disassemble Track Roller Assembly 2928
How to Assemble Track Roller Assembly 2930
Remove and Install No 1 Bogie Assembly 2933
How to Remove No 1 Bogie Assembly 2934
How to Install No 1 Bogie Assembly 2937
Remove and Install No 2, 3, 4 Bogie Assemblies 2942
How to Remove No 2, 3, 4 Bogie Assemblies 2943
How to Install No 2, 3, 4 Bogie Assemblies 2946
Disassemble and Assemble Bogie Assembly 2951
How to Disassemble Bogie Assembly 2951
How to Assemble Bogie Assembly 2952
Remove and Install Carrier Roller Assembly 2955
How to Remove Carrier Roller Assembly 2955
How to Install Carrier Roller Assembly 2956
Remove and Install Carrier Roller Assembly (D155PX-8) 2958
How to Remove Carrier Roller Assembly (D155PX-8) 2958
How to Install Carrier Roller Assembly (D155PX-8) 2959
Disassemble and Assemble Carrier Roller Assembly 2961
How to Disassemble Carrier Roller Assembly 2962
How to Assemble Carrier Roller Assembly 2964
Remove and Install Pivot Shaft Assembly 2967
How to Remove Pivot Shaft Assembly 2967
How to Install Pivot Shaft Assembly 2968
Remove and Install Pivot Shaft Assembly (D155PX-8) 2970
How to Remove Pivot Shaft Assembly (D155PX-8) 2970
How to Install Pivot Shaft Assembly (D155PX-8) 2971
Separation and Connection of Track Assembly (D155PX-8) 2973
How to Examine Before Separation of the Track Assembly (D155PX-8) 2973
How to Separate Track Assembly (Standard)(D155PX-8) 2973
How to Separate Track Assembly (When Track Frame Has Internal Defect)(D155PX-8) 2974
How to Install Track Assembly (D155PX-8) 2976
Separate and Connect Track Assembly 2978
How to Examine Before Separation of Track Assembly 2978
How to Separate Track Assembly (Standard) 2979
How to Separate Track Assembly (When Track Frame Has Internal Defect) 2979
How to Install Track Assembly 2981
Separate and Connect PLUS Type Track Assembly 2983
Separate PLUS Type Track Assembly Generally 2983
Install PLUS Type Track Assembly 2983
Disassemble and Assemble Track Assembly Generally 2985
How to Disassemble Full Track Shoe Assembly 2986
How to Assemble Full Track Shoe Assembly 2988
Disassemble and Assemble PLUS Type Track Assembly Generally 3000
Disassemble PLUS Type Track Assembly Generally 3001
How to Assemble PLUS Type Track Shoe Assembly Generally 3002
Disassemble and Assemble One Track Link Assembly in Field 3010
How to Disassemble One Track Link Assembly in Field 3011
How to Assemble One Track Link Assembly in Field 3012
Disassemble and Assemble Master Link 3014
How to Disassemble Master Link 3014
How to Assemble Master Link 3015
Remove and Install Equalizer Bar Assembly (D155PX-8) 3018
How to Remove Equalizer Bar Assembly (D155PX-8) 3018
How to Install Equalizer Bar Assembly (D155PX-8) 3021
Remove and Install Equalizer Bar Assembly 3024
How to Remove Equalizer Bar Assembly 3025
How to Install Equalizer Bar Assembly 3027
Disassemble and Assemble Equalizer Bar Bushings (D155PX-8) 3029
How to Disassemble Equalizer Bar Bushings (D155PX-8) 3029
How to Assemble Equalizer Bar Bushings (D155PX-8) 3030
Disassemble and Assemble Equalizer Bar Bushing 3031
How to Disassemble Equalizer Bar Bushing 3031
How to Assemble Equalizer Bar Bushing 3032
Remove and Install Sprocket 3033
How to Remove Sprocket 3033
How to Install Sprocket 3033
Remove and Install Center Under Guard Assembly 3035
How to Remove Underguard Assembly 3035
How to Install Underguard Assembly 3042
Hydraulic System 3050
Remove and Install Hydraulic Tank Assembly 3050
How to Remove Hydraulic Tank Assembly 3050
How to Install Hydraulic Tank Assembly 3052
Remove and Install Work Equipment Pump and HSS Pump Assembly 3054
How to Remove Work Equipment Pump and HSS Pump Assembly 3055
How to Install Work Equipment Pump and HSS Pump Assembly 3057
Remove and Install Power Train Pump and Steering Lubrication Pump Assembly 3059
How to Remove Power Train Pump and Steering Lubrication Pump Assembly 3060
How to Install Power Train Pump and Steering Lubrication Pump Assembly 3062
Remove and Install Cooling Fan Pump Assembly 3065
How to Remove Cooling Fan Pump Assembly 3065
How to Install Cooling Fan Pump Assembly 3068
Remove and Install Scavenging Pump Assembly 3071
How to Remove Scavenging Pump Assembly 3071
How to Install Scavenging Pump Assembly 3072
Remove and Install Control Valve Assembly 3074
How to Remove Control Valve Assembly 3075
How to Install Control Valve Assembly 3077
Work Equipment 3080
Remove and Install Blade Assembly 3080
How to Remove Blade Assembly 3080
How to Install Blade Assembly 3082
Remove and Install Blade Lift Cylinder Assembly 3085
How to Remove Blade Lift Cylinder Assembly 3086
How to Install Blade Lift Cylinder Assembly 3089
Disassemble and Assemble Blade Assembly 3093
How to Disassemble Blade Assembly 3093
How to Assemble Blade Assembly 3097
Blade Angling 3103
Disassemble and Assemble Multi-Shank Ripper Assembly 3106
How to Disassemble Multi-Shank Ripper Assembly 3106
How to Assemble Multi-Shank Ripper Assembly 3110
Disassemble and Assemble Giant Ripper Assembly 3115
How to Disassemble Giant Ripper Assembly 3115
How to Assemble Giant Ripper Assembly 3119
Disassemble and Assemble Blade Lift Cylinder Assembly 3124
How to Disassemble Blade Lift Cylinder Assembly 3124
How to Assemble Blade Lift Cylinder Assembly 3127
Disassemble and Assemble Blade Tilt Cylinder Assembly 3131
How to Disassemble Blade Tilt Cylinder Assembly 3131
How to Assemble Blade Tilt Cylinder Assembly 3133
Disassemble and Assemble Ripper Cylinder Assembly 3137
How to Disassemble Ripper Cylinder Assembly 3137
How to Assemble Ripper Cylinder Assembly 3139
CAB Related Parts 3144
Remove and Install Operator Cab Assembly 3144
How to Remove Operator Cab Assembly 3145
How to Install Operator Cab Assembly 3152
Remove and Install Operator Cab Glass (Adhered Glass) 3161
How to Remove Operator Cab Glass (Adhered Glass) 3162
How to Install Operator Cab Glass (Adhered Glass) 3162
Remove and Install Air Conditioner Unit Assembly 3167
How to Remove Air Conditioner Unit Assembly 3167
How to Install Air Conditioner Unit Assembly 3173
Remove and Install Operator Seat 3181
How to Remove Operator Seat 3181
How to Install Operator Seat 3182
How to Remove and Install Seat Belt 3184
How to Remove Seat Belt 3184
How to Install Seatbelt 3184
Electrical System 3186
Remove and Install Engine Controller Assembly 3186
How to Remove Engine Controller Assembly 3186
How to Install Engine Controller Assembly 3189
Remove and Install Power Train Controller Assembly 3194
How to Remove Power Train Controller Assembly 3194
How to Install Power Train Controller Assembly 3195
Remove and Install Work Equipment Controller Assembly 3197
How to Remove Work Equipment Controller Assembly 3197
How to Install Work Equipment Controller Assembly 3198
Remove and Install Machine Monitor Assembly 3200
How to Remove Machine Monitor Assembly 3200
How to Install Machine Monitor Assembly 3201
Remove and Install Mass Air Flow and Temperature Sensor 3203
How to Remove Mass Air Flow and Temperature Sensor 3203
How to Install Mass Air Flow and Temperature Sensor 3204
Remove and Install KCCV Crankcase Pressure Sensor 3206
How to Remove KCCV Crankcase Pressure Sensor 3206
How to Install KCCV Crankcase Pressure Sensor 3207
Remove and Install SCR Temperature Sensor 3208
How to Remove SCR Temperature Sensor 3208
How to Install SCR Temperature Sensor 3210
Remove and Install Battery Relay 3212
How to Remove Battery Relay 3212
How to Install Battery Relay 3219
Remove and Install KOMTRAX Terminal Assembly 3225
How to Remove KOMTRAX Terminal Assembly 3225
How to Install KOMTRAX Terminal Assembly 3227
Remove and Install Gateway Controller Assembly 3230
How to Remove Gateway Controller Assembly 3230
How to Install Gateway Controller Assembly 3234
Remove and Install Communication Terminal 3239
How to Remove Communication Terminal 3239
How to Install Communication Terminal 3245
Remove and Install Communication Terminal Wiring Harness 3251
How to Remove Communication Terminal Wiring Harness 3252
How to Install Communication Terminal Wiring Harness 3264
60 Maintenance Standard 3277
Table of Contents 3278
Engine and Cooling System 3280
Maintenance Standard for Engine Mount 3280
Maintenance Standard for Damper 3282
Maintenance Standard for Cooling System 3284
Maintenance Standard for Cooling Fan Pump 3286
Maintenance Standard for Servo Valve 3288
Maintenance Standard for Cooling Fan Motor 3290
Power Train 3292
Maintenance Standard for Universal Joint 3292
Maintenance Standard for Power Train Mount 3293
Maintenance Standard for Power Train Mount (D155PX-8) 3295
Maintenance Standard for Torque Converter and PTO 3297
Maintenance Standard for Torque Converter Control Valve 3302
Maintenance Standard for Lockup Clutch ECMV 3303
Maintenance Standard for Stator Clutch ECMV 3304
Maintenance Standard for Transmission 3305
Maintenance Standard for Transmission ECMV 3310
Maintenance Standard for Main Relief Valve and Torque Converter Relief Valve 3311
Maintenance Standard for Transmission Lubrication Relief Valve 3312
Maintenance Standard for Bevel Gear Shaft, HSS, and Brake 3313
Maintenance Standard for Brake Control Valve 3319
Maintenance Standard for Brake ECMV 3321
Maintenance Standard for Brake Solenoid Valve 3322
Maintenance Standard for Sudden Stop Prevention Valve 3323
Maintenance Standard for Final Drive 3324
Maintenance Standard for Final Drive (D155PX-8) 3327
Maintenance Standard for Sprocket for Conventional Type Track Shoes 3330
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing for Conventional Type Track Shoes 3331
Maintenance Standard for Sprocket for PLUS Type Track Shoes 3333
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing for PLUS Type Track Shoes 3334
Undercarriage and Frame 3336
Maintenance Standard for Main Frame 3336
Maintenance Standard for Main Frame (D155PX-8) 3338
Maintenance Standard for Suspension 3340
Maintenance Standard for Suspension (D155PX-8) 3342
Maintenance Standard for Track Frame and Idler Cushion 3345
Maintenance Standard for Track Frame and Idler Cushion (D155PX-8) 3347
Maintenance Standard for Idler 3350
Maintenance Standard for Idler (D155PX-8) 3352
Maintenance Standard for Track Roller for Conventional Type Track Shoes 3354
Maintenance Standard for Track Roller for PLUS Type Track Shoes 3356
Maintenance Standard for Carrier Roller for Conventional Type Track Shoes 3358
Maintenance Standard for Carrier Roller for Conventional Type Track Shoes (Double Flange Type) (D155PX-8) 3359
Maintenance Standard for Carrier Roller for PLUS Type Track Shoes 3361
Maintenance Standard for Carrier Roller for Plus Type Track Shoes (Double Flange Type) (D155PX-8) 3362
Maintenance Standard for Conventional Type Track Shoes 3364
Maintenance Standard for PLUS Type Track Shoes 3366
Maintenance Standard for Single Shoes and Heavy Duty Shoes 3368
Maintenance Standard for Heavy Duty Shoes (D155PX-8) 3369
Hydraulic System 3370
Maintenance Standard for Hydraulic Tank 3370
Maintenance Standard for Scavenging Pump 3371
Maintenance Standard for Steering Lubrication Pump and Power Train Pump 3372
Maintenance Standard for Work Equipment and HSS Pump 3374
Maintenance Standard for PC-EPC Valve 3376
Maintenance Standard for HSS Motor 3377
Maintenance Standard for Control Valve 3380
Maintenance Standard for Self-Pressure Reducing Valve 3394
Maintenance Standard for Quick Drop Valve 3396
Work Equipment 3398
Maintenance Standard for Cylinder Stay 3398
Maintenance Standard for Front Work Equipment 3400
Maintenance Standard for Cutting Edge and End Bit 3405
Maintenance Standard for Blade Lift Cylinder 3407
Maintenance Standard for Blade Tilt Cylinder 3408
Maintenance Standard for Variable Multi-Shank Ripper 3409
Maintenance Standard for Variable Giant Ripper 3412
Maintenance Standard for Ripper Lift Cylinder 3415
Maintenance Standard for Ripper Tilt Cylinder 3416
CAB Related Parts 3417
Maintenance Standard for CAB Mount 3417
80 Appendix 3419
Table of Contents 3420
Precautions Before Work 3422
Air Conditioner System 3423
Precautions for Refrigerant 3423
Air Conditioner Component 3424
Specifications of Air Conditioner 3426
Structure and Function of Refrigeration Cycle 3427
Outline of Refrigeration Cycle 3428
Component Parts of Air Conditioner System 3430
Air Conditioner Unit 3430
Configuration Diagram of Air Conditioner Unit 3430
Function of Air Conditioner Unit 3432
Component Parts of Air Conditioner Unit 3434
Function of Evaporator as Air Conditioner Unit Component 3435
Function of Heater Core as Air Conditioner Unit Component 3435
Function of Evaporator Temperature Sensor as Air Conditioner Unit Component 3435
Function of Servo Motor as Air Conditioner Unit Component 3435
Structure of Expansion Valve as Air Conditioner Unit Component 3436
Function of Expansion Valve as Air Conditioner Unit Component 3436
Operate Expansion Valve as Air Conditioner Unit Component 3436
Function of Triple Pressure Switch 3437
Air Conditioner Controller 3438
Structure of Air Conditioner Controller 3438
Compressor 3439
Structure of Compressor 3439
Specifications of Compressor 3439
Function of Compressor 3439
Condenser 3440
Structure of Condenser 3440
Specifications of Condenser 3440
Function of Condenser 3440
Receiver Drier 3441
Structure of Receiver Dryer 3441
Specifications of Receiver Dryer 3441
Function of Receiver Dryer 3441
Air Conditioner Related Sensors 3442
Structure of Sunlight Sensor 3442
Function of Sunlight Sensor 3442
Structure of Outside Temperature Sensor 3442
Function of Outside Air Temperature Sensor 3442
Explanation of Procedure for Test of and Troubleshooting of Air Conditioner 3444
Circuit Diagram and Configuration of Connector Pins of Air Conditioner 3446
System Diagram of Air Conditioner 3448
Input and Output Signals of Air Conditioner Controller 3449
Function of Air Conditioner Controller 3450
Locations of Air Conditioner Parts and Layout of Connectors 3451
Examine Air Leakage (Duct) 3459
How to Examine Air Leakage (Duct) 3459
Examine Air Conditioner with Self-Diagnosis Function 3462
Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor 3463
Examine Vent (Mode) Changeover 3464
How to Examine Vent (Mode) Changeover 3464
Examine Fresh/Recirc Air Changeover 3465
How to Examine Fresh/Recirc Air Changeover 3465
Examine Sunlight Sensor 3466
How to Examine Sunlight Sensor 3466
Examine Refrigerant (Triple) Pressure Switch 3467
How to Examine Refrigerant (Triple) Pressure Switch 3467
Examine Relay 3468
How to Examine Relay 3468
Air Conditioner Troubleshooting Chart 1 3469
Air Conditioner Troubleshooting Chart 2 3470
Information Shown in Troubleshooting Table 3473
Failure Code [879AKA] 3474
Failure Code [879AKB] 3475
Failure Code [879BKA] 3476
Failure Code [879BKB] 3478
Failure Code [879CKA] 3480
Failure Code [879CKB] 3481
Failure Code [879DKZ] 3482
Failure Code [879EMC] 3484
Failure Code [879FMC] 3485
Failure Code [879GKX] 3486
A-1 Troubleshooting for Power Supply System (Air Conditioner Does Not Operate) 3488
A-2 Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled) 3490
A-3 Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal) 3494
A-4 Troubleshooting for Fresh/Recirc Air Changeover 3496
Troubleshooting by Gauge Pressure 3498
Connect Service Tool 3501
How to Connect Service Tool 3501
Precautions for Disconnection and Connection of Air Conditioner Piping 3503
Handle Compressor Oil 3505
90 Circuit Diagrams 3507
Table of Contents 3508
Hydraulic Circuit Diagram 3509
Symbols Used in Hydraulic Circuit Diagram 3509
Hydraulic Circuit Diagram (1/2) 3513
Hydraulic Circuit Diagram (2/2) 3515
Power Train Hydraulic Circuit Diagram 3517
Electrical Circuit Diagram 3519
Symbols Used in Electric Circuit Diagram 3519
Electrical Circuit Diagram(1/16) (Machine with KOMTRAX Terminal) 3523
Electrical Circuit Diagram(2/16) (Machine with KOMTRAX Terminal) 3525
Electrical Circuit Diagram(3/16) (Machine with KOMTRAX Terminal) 3527
Electrical Circuit Diagram(4/16) (Machine with KOMTRAX Terminal) 3529
Electrical Circuit Diagram(5/16) (Machine with KOMTRAX Terminal) 3531
Electrical Circuit Diagram(6/16) (Machine with KOMTRAX Terminal) 3533
Electrical Circuit Diagram(7/16) (Machine with KOMTRAX Terminal) 3535
Electrical Circuit Diagram(8/16) (Machine with KOMTRAX Terminal) 3537
Electrical Circuit Diagram(9/16) (Machine with KOMTRAX Terminal) 3539
Electrical Circuit Diagram(10/16) (Machine with KOMTRAX Terminal) 3541
Electrical Circuit Diagram(11/16) (Machine with KOMTRAX Terminal) 3543
Electrical Circuit Diagram(12/16) (Machine with KOMTRAX Terminal) 3545
Electrical Circuit Diagram(13/16) (Machine with KOMTRAX Terminal) 3547
Electrical Circuit Diagram(14/16) (Machine with KOMTRAX Terminal) 3549
Electrical Circuit Diagram(15/16) (Machine with KOMTRAX Terminal) 3551
Electrical Circuit Diagram(16/16) (Machine with KOMTRAX Terminal) 3553
Electrical Circuit Diagram(1/18) (Machine with Gateway Function Controller) 3555
Electrical Circuit Diagram(2/18) (Machine with Gateway Function Controller) 3557
Electrical Circuit Diagram(3/18) (Machine with Gateway Function Controller) 3559
Electrical Circuit Diagram(4/18) (Machine with Gateway Function Controller) 3561
Electrical Circuit Diagram(5/18) (Machine with Gateway Function Controller) 3563
Electrical Circuit Diagram(6/18) (Machine with Gateway Function Controller) 3565
Electrical Circuit Diagram(7/18) (Machine with Gateway Function Controller) 3567
Electrical Circuit Diagram(8/18) (Machine with Gateway Function Controller) 3569
Electrical Circuit Diagram(9/18) (Machine with Gateway Function Controller) 3571
Electrical Circuit Diagram(10/18) (Machine with Gateway Function Controller) 3573
Electrical Circuit Diagram(11/18) (Machine with Gateway Function Controller) 3575
Electrical Circuit Diagram(12/18) (Machine with Gateway Function Controller) 3577
Electrical Circuit Diagram(13/18) (Machine with Gateway Function Controller) 3579
Electrical Circuit Diagram(14/18) (Machine with Gateway Function Controller) 3581
Electrical Circuit Diagram(15/18) (Machine with Gateway Function Controller) 3583
Electrical Circuit Diagram(16/18) (Machine with Gateway Function Controller) 3585
Electrical Circuit Diagram(17/18) (Machine with Gateway Function Controller) 3587
Electrical Circuit Diagram(18/18) (Machine with Gateway Function Controller) 3589
Index 3591

DESCRIPTION:

Komatsu D155AX-8 D155PX-8 Bulldozer Shop Manual SEN06948-02 – PDF DOWNLOAD 

SERIAL NUMBERS

D155AX-100001 and up
D155PX-170001 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.
• The caution lamps, pilot lamps, and symbols of the switches on the machine monitor can be different in
accordance with the machine.
• For details of the symbols shown on the machine monitor, see Structure and Operation, “Caution
Lamps Shown on Machine Monitor” and “Pilot Lamps Shown on Machine Monitor”.
• For details of the switches of the machine monitor, see Testing and Adjusting, “Set and Operate Machine
Monitor”.
• For details of the switches, see the “Operation and Maintenance Manual”.
• All “AdBlue/DEF” shown on the machine monitor is referred to as “DEF” in the shop manual. Some machine
monitors installed to the product show “DEF” as “AdBlue/DEF” in the service mode. Thus, be sure to recognize
that “DEF” and “AdBlue/DEF” are the same when you read the 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 Specification
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.

S.V 28/12/24