Komatsu D155AXi-8E0 Bulldozer Shop Manual SEN06763-02 – PDF DOWNLOAD 

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Komatsu D155AXi-8E0 Bulldozer Shop Manual SEN06763-02 – PDF DOWNLOAD

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Komatsu D155AXi-8E0 Bulldozer Shop Manual SEN06763-02 – PDF DOWNLOAD 

Language : English
Pages : 3674
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu D155AXi-8E0 Bulldozer Shop Manual SEN06763-02 – PDF DOWNLOAD 

SERIAL NUMBERS 100358 and up

Cover 1
00 Index and Foreword 3
Index 4
Abbreviation List 25
Foreword, Safety, Basic Information 28
How to Read the Shop Manual 28
Safety Notice for Operation 30
Precautions to Prevent Fire 38
Procedures If Fire Occurs 40
Precautions for Disposing of Waste Materials 41
Procedures for Exhaust Gas Regulations 42
Precautions for DEF 43
General Character and Precautions for Handling 43
Precautions for Adding 43
Precautions for Storage 43
Precautions for Fire Hazard and Leakage 43
Other Precautions 43
Store DEF 44
Precautions When You Handle Hydraulic Equipment 45
Precautions When You Disconnect and Connect Pipings 48
Precautions When You Handle Electrical Equipment 55
Precautions When You Handle Fuel System Equipment 57
Precautions When You Handle Intake System Equipment 58
Practical Use of KOMTRAX 59
Disconnect and Connect Push-Pull Type Coupler 60
How to Disconnect and Connect Type 1 Push-Pull Type Coupler 60
How to Disconnect and Connect Type 2 Push-Pull Type Coupler 61
How to Disconnect and Connect Type 3 Push-Pull Type Coupler 62
Precautions for Disconnection and Connection of Connectors 64
How to Disconnect and Connect Deutsch Connector 68
How to Disconnect and Connect Slide Lock Type Connector 69
How to Disconnect and Connect Connector with Lock to Pull 71
How to Disconnect and Connect Connector with Lock to Push 72
How to Disconnect and Connect Connector with Housing to Rotate 74
How to Read the Codes for Electric Cable 75
Explanation of Terms for Maintenance Standard 79
Standard Tightening Torque Table 82
Conversion Table 89
01 Specifications 95
Table of Contents 96
Specifications 97
Specification Drawing 97
Specification Drawing: D155AXI-8E0 97
Specifications 99
Specifications: D155AXI-8E0 99
Weight Table 106
Weight Table: D155AXI-8E0 106
Table of Fuel, Coolant, and Lubricants 108
10 Structure and Function 111
Table of Contents 112
Urea SCR System 116
Layout Drawing of Urea SCR System 116
Urea SCR System Diagram 118
Function of Urea SCR System 119
Function of DEF System 119
Inducement Strategy 121
Component Parts of Urea SCR System 135
DEF Mixing Tube 135
SCR Assembly 135
DEF Tank 138
DEF Pump 140
DEF Injector 141
DEF Hose 142
DEF Tank Heating Valve 143
Boot-up System 144
Layout Drawing of Boot-up System (Machine with Gateway Function Controller) 144
System Operating Lamp System 145
System Diagram of System Operating Lamp System (Machine with KOMTRAX Terminal) 145
System Diagram of System Operating Lamp System (Machine with Gateway Function Controller) 145
Function of System Operating Lamp System (Machine with KOMTRAX Terminal) 145
Function of System Operating Lamp System (Machine with Gateway Function Controller) 146
Battery Disconnect Switch 148
Layout Drawing of Battery Disconnect Switch 148
Function of Battery Disconnect Switch 148
Engine System 150
Layout Drawing of Engine System 150
Engine Control System 152
Layout of Engine Control System (Machine with KOMTRAX Terminal) 152
Layout of Engine Control System (Machine with Gateway Function Controller) 153
System Diagram of Engine Control System (Machine with KOMTRAX Terminal) 154
System Diagram of Engine Control System (Machine with Gateway Function Controller) 156
Function of Engine Control System 157
Automatic Idle Stop System 158
Automatic Idle Stop System Diagram (Machine with KOMTRAX Terminal) 158
System Diagram of Automatic Idle Stop System (Machine with Gateway Function Controller) 159
Function of Automatic Idle Stop System 159
Component Parts of Engine System 162
Damper 162
VGT 163
EGR System 167
EGR Valve 169
EGR Cooler 171
KCCV System 173
KCCV Ventilator 175
KDPF 178
Cooling System 182
Layout Drawing of Cooling System 182
Specifications of Cooling System 183
Component Parts of Cooling System 184
Cooling Fan Pump 184
Cooling Fan Motor 192
Hydraulic Oil Cooler Bypass Valve 199
Control System 200
Layout Drawing of Control System (Machine with KOMTRAX Terminal) 200
Layout Drawing of Control System (Machine with Gateway Function Controller) 201
Machine Monitor System 202
System Diagram of Machine Monitor System (Machine with KOMTRAX Terminal) 202
System Diagram of Machine Monitor System (Machine with Gateway Function Controller) 203
Function of Machine Monitor System 203
KOMTRAX System 206
System Diagram of KOMTRAX System (Machine with KOMTRAX Terminal) 206
System Diagram of KOMTRAX System (Machine with Gateway Function Controller) 206
Function of KOMTRAX System 207
Component Parts of Control System 208
Machine Monitor 208
KOMTRAX Terminal 224
Gateway Function Controller 226
Communication Terminal 229
Power Train Controller 231
Work Equipment Controller 235
Engine Controller 239
Fuel Feed Pump 245
Fuel Feed Pump Switch 246
Hydraulic System 247
Layout Drawing of Hydraulic System 247
CLSS 248
Structure of CLSS 248
Function of CLSS 249
Component Parts of Hydraulic System 251
Hydraulic Tank 251
Work Equipment and HSS Pump 252
LS Valve 257
PC Valve 262
PC-EPC Valve 268
Control Valve 272
Power Train System 314
Layout Drawing of Power Train System 314
Operation of Power Train System 317
Transmission, Steering, and Brake Control 319
Layout Drawing of Transmission, Steering, and Brake Control System 319
Function of Transmission, Steering, and Brake Control System 320
Palm Command Control System 322
Palm Command Control System Diagram 322
HSS System 326
HSS System Diagram 326
Function of HSS System 327
Centralized Pressure Pickup Port 329
Layout Drawing of Centralized Pressure Pickup Port 329
Function of Centralized Pressure Pickup Port 330
Component Parts of Power Train System 331
Universal Joint 331
Power Train Mount 332
Torque Converter and PTO 333
Torque Converter Control Valve 340
Lockup Clutch ECMV 341
Stator Clutch ECMV 344
Transmission 348
Transmission ECMV 358
Main Relief Valve and Torque Converter Relief Valve 365
Transmission Lubrication Relief Valve 367
Bevel Gear Shaft, HSS, and Brake 367
Final Drive 394
Scavenging Pump 397
Steering Lubrication Pump and Power Train Pump 398
HSS Motor 399
Electric Steering Electric Lever 406
Work Equipment System 411
Work Equipment Control 411
Layout Drawing of Work Equipment Control 411
Function of Work Equipment Control 412
Layout Drawing of Front Work Equipment 413
Layout Drawing of Variable Giant Ripper 414
Layout Drawing of Variable Multi-Shank Ripper 415
Component Parts of Work Equipment System 416
Self-Pressure Reducing Valve 416
Work Equipment Lock Solenoid Valve 422
Pilot Circuit Accumulator 424
Quick Drop Valve 425
Piston Valve 430
Electric Blade Control Lever 430
Ripper Electric Lever 432
ICT System 433
Layout Drawing of ICT System 433
System Diagram of ICT Control System 435
Blade Control System 437
Function of Blade Control System 437
Leveling Mode System Diagram 439
Function of Leveling Mode 440
Operation of Leveling Mode 440
Dozing Mode System Diagram 441
Function of Dozing Mode 441
Operation of Dozing Mode 441
Smooth Start System 443
Smooth Start System Diagram 443
Function of Smooth Start System 443
Operation of Smooth Start System 443
Slip Control System 445
Slip Control System Diagram 445
Function of Slip Control System 445
Operation of Slip Control System 445
Assist Control System 446
Assist Control System Diagram 446
Function of Assist Control System 446
Operation of Assist Control System 447
Component Parts of ICT System 448
Control Box 448
GNSS Receiver 450
GNSS Antenna 454
IMU Sensor 454
Stroke and Reset Sensor for Blade Lift Cylinder 457
Undercarriage and Frame 460
Main Frame 460
Structure of Main Frame 460
Suspension 461
Structure of Suspension 461
Function of Suspension 463
Track Frame and Idler Cushion 464
Structure of Track Frame and Idler Cushion 464
Specifications of Track Frame and Idler Cushion 465
Function of Track Frame and Idler Cushion 465
Work Equipment 466
Structure of Front Work Equipment 466
Structure of Cylinder Stay 468
Structure of Variable Giant Ripper 469
Structure of Variable Multi-Shank Ripper 470
CAB Related Parts 471
ROPS CAB 471
Structure of ROPS CAB 471
Function of ROPS CAB 471
CAB Mount 472
Structure of CAB Mount 472
20 Standard Value Table 473
Table of Contents 474
Standard Value Table for Engine 475
Standard Value Table for Engine: D155AXI-8E0 475
Standard Value Table for Machine 480
Standard Value Table for Machine: D155AXI-8E0 480
Machine Posture and Procedures to Measure Performance 500
Standard Value Table for Electricity 502
Standard Value Table for Electricity 502
30 Testing and Adjusting 513
Table of Contents 514
Precautions Before Work 518
Related Information on Testing and Adjusting 519
Tools for Testing and Adjusting 519
Sketch of Tools for Testing and Adjusting 527
Engine and Cooling System 530
Examine Engine Speed 530
How to Examine Engine Speed 530
Examine Boost Pressure 535
How to Examine Boost Pressure 535
Examine Exhaust Gas Temperature 537
How to Examine Exhaust Gas Temperature 537
Examine Exhaust Gas Color 540
How to Examine Exhaust Gas Color with the Handy Smoke Checker 540
How to Examine Exhaust Gas Color with Smoke Meter 541
Examine Mass Air Flow and Temperature Sensor 542
How to Examine Mass Air Flow and Temperature Sensor 542
Examine and Adjust Valve Clearance 544
How to Examine Valve Clearance 544
How to Adjust Valve Clearance 545
Examine Compression Pressure 547
How to Examine Compression Pressure 547
Examine Blowby Pressure 550
How to Examine Blowby Pressure 550
Examine Engine Oil Pressure 552
How to Examine Engine Oil Pressure on Machine Monitor 552
How to Examine Engine Oil Pressure by Testing Tool 552
Examine EGR Valve and VGT Oil Pressure 554
How to Examine EGR Valve and VGT Oil Pressure 554
Examine Fuel Pressure 556
How to Examine Fuel Pressure 556
Examine Fuel Return Rate and Leakage 558
How to Examine Fuel Return Rate and Leakage 559
Bleed Air from Fuel System 563
How to Bleed Air from Fuel System 563
Examine Fuel Circuit for Leakage 565
How to Examine Fuel System for Leakage 565
Handle Cylinder Cut-out Mode Operation 567
Handle No-Injection Cranking Operation 568
Clean Fuel Doser 569
How to Clean Fuel Doser 569
Write Injector Compensation Value to Engine Controller 571
How to Write Injector Compensation Value 571
Write Correction for Ash in Soot Accumulation to Engine Controller 577
How to Write Correction for Ash in Soot Accumulation to Engine Controller 577
Examine SCR Related Functions 578
Examine DEF Pump Raised Pressure 582
Examine Injection Volume from DEF Injector 585
Examine DEF Line Heater Relay 1 590
Examine DEF Line Heater Relay 2 593
Examine DEF Pump Heater Relay 596
Examine DEF Tank Heater Valve 599
Examine SCR Denitration Efficiency 602
Clean DEF Tank 605
How to Clean DEF Tank 606
Clean DEF Pump 611
How to Clean DEF Pump 611
Adjust Decelerator Pedal 618
How to Adjust Decelerator Pedal 618
Power Train 621
Examine Power Train Oil Pressure 621
How to Examine Power Train Oil Pressure 622
Adjust Transmission Output Shaft Speed Sensor 632
How to Adjust Transmission Output Shaft Speed Sensor 632
Examine Brake Performance Simply 633
How to Examine Brake Performance Simply 633
Examine and Adjust Brake Pedal 634
How to Examine Brake Pedal 634
How to Adjust Brake Pedal 635
Adjust Parking Brake Lever 638
How to Adjust Parking Brake Lever 638
Move Machine by Parking Brake Release When Machine Does Not Travel 640
How to Move Machine with Hydraulic Type Parking Brake Release System 640
How to Move Machine with Electric Type Parking Brake Release System 641
Undercarriage and Frame 644
Adjust Idler Clearance 644
How to Adjust Idler Clearance 644
Examine and Adjust Track Tension 646
How to Examine Track Tension 646
How to Adjust Track Tension 646
Hydraulic System 647
Release Remained Pressure in Hydraulic Circuit 647
How to Release Remained Pressure in Hydraulic System 647
Examine and Adjust Work Equipment and HSS Oil Pressure 648
How to Examine Work Equipment and HSS Oil Pressure 648
How to Adjust Oil Pressure of Work Equipment and HSS 651
Examine Oil Pressure of Control Circuit 653
How to Examine Oil Pressure in Control Circuit 653
Examine Work Equipment Lock Solenoid Valve Outlet Pressure 655
How to Examine Work Equipment Lock Solenoid Valve Outlet Pressure 655
Examine Ripper Pin Puller Solenoid Valve Outlet Pressure 657
How to Examine Ripper Pin Puller Solenoid Valve Outlet Pressure 657
Examine Cooling Fan Speed 659
How to Examine Cooling Fan Speed 659
Examine Cooling Fan Circuit Oil Pressure 660
How to Examine Cooling Fan Circuit Oil Pressure 660
Bleed Air in Cooling Fan Pump 662
How to Bleed Air in Cooling Fan Pump 662
Examine Parts Which Cause Hydraulic Drift of Work Equipment 663
How to Examine Parts Which Cause Hydraulic Drift of Blade Lift Cylinder 663
How to Examine the Parts Which Cause Hydraulic Drift of Blade Tilt Cylinder 663
How to Examine the Parts Which Cause Hydraulic Drift of Ripper Lift Cylinder 664
Examine Oil Leakage from Work Equipment Cylinder 665
How to Examine Internal Oil Leakage of Work Equipment Cylinder 665
Bleed Air from Work Equipment Cylinders 667
How to Bleed Air from Work Equipment Cylinder 667
Operation When Work Equipment is Disabled 668
How to Operate When Work Equipment is Disabled 668
Work Equipment 670
Adjust Work Equipment Lock Lever 670
How to Adjust Work Equipment Lock Lever 670
Examine and Adjust Play of Blade Electric Lever 672
How to Examine Play of Blade Electric Lever 674
How to Adjust Play of Blade Electric Lever 674
How to Replace Universal Joint 675
CAB Related Parts 682
Examine and Adjust Operator Cab 682
How to Examine Operator Cab 682
How to Adjust Operator Cab 685
Electrical System 687
Set and Operate Machine Monitor 687
Operator Mode 691
Function to Show Technician Identification Status Screen 691
Function to Show Operator Identification Input Screen 691
Examine Function by LCD (Liquid Crystal Display) 692
Examine Function of Service Meter 692
How to Set Usage Limitation and Change Maintenance Password 692
Service Mode 695
How to Operate Service Mode 695
How to See Pre-defined Monitoring Information 697
How to Examine Self-Define Monitor Information 703
Abnormality Record Menu 715
How to See Maintenance Record 719
Maintenance Mode Setting 720
How to Set Phone Number Entry 724
Default Menu 725
Diagnostic Tests Menu 734
Adjustment Menu 743
No-Injection Cranking Operation 836
KOMTRAX Settings Menu 838
How to Show Service Message 840
How to Start Up KOMTRAX Terminal (Machine with KOMTRAX Terminal) 842
Stop Use of KOMTRAX Terminal (Machine with KOMTRAX Terminal) 846
How to Start Up KOMTRAX System (Machine with Gateway Function Controller) 848
Stop Use of KOMTRAX System (Machine with Gateway Function Controller) 853
Adjust Rearview Camera Angle 855
How to Adjust Rearview Camera Angle 855
Handle Voltage Circuit of Engine Controller 856
Handle Battery Disconnect Switch 857
Examine Diodes 858
How to Examine Diodes by Digital Tester 858
How to Examine Diodes by Analog Tester 858
ICT System 859
Set and Operate Control Box 859
Examine and Adjust ICT Related Devices (Dual Tilt) 861
Examine and Adjust ICT Related Devices (Single Tilt) 865
Calibrate Blade Edge Position 869
How to Operate Blade Calibration Menu (Pitch Rod Calibration) (Single Tilt) 870
How to Operate Blade Calibration Menu (Machine Cal Step A) (Dual Tilt) 873
How to Operate Blade Calibration Menu (Machine Cal Step A) (Single Tilt) 877
How to Operate Blade Calibration Menu (Machine Cal Step B) (Dual Tilt) 881
How to Operate Blade Calibration Menu (Machine Cal Step B) (Single Tilt) 895
Calibrate IMU Sensor 909
How to Calibrate IMU Sensor 909
Reset Cylinder Stroke End 913
Reset Lift Cylinder Stroke End 913
Set Standard Angle of Blade Edge (Dual Tilt) 915
How to Input Wear Volume of Blade Edge and Track Shoes 917
Examine and Adjust Blade Elevation 918
Examine Blade Elevation (Dual Tilt) (For Old Control Box) 918
Examine Blade Elevation (Dual Tilt) (For New Control Box) 921
Examine Blade Elevation (Single Tilt) (For Old Control Box) 924
Examine Blade Elevation (Single Tilt) (For New Control Box) 926
Adjust Blade Elevation (For Old Control Box) 929
Adjust Blade Elevation (For New Control Box) 930
Examine Stroke Sensor for Lift Cylinder 932
How to Examine Stroke Sensor for Lift Cylinder 932
Examine and Adjust Reset Sensor for Lift Cylinder 936
How to Examine Reset Sensor for Lift Cylinder 936
How to Adjust Reset Sensor for Lift Cylinder 937
Adjust When Work Equipment Controller is Replaced 938
How to Adjust When Work Equipment Controller is Replaced 938
Adjust When ICT Related Devices are Repaired or Replaced (Dual Tilt) 941
Adjust When ICT Related Devices are Repaired or Replaced (Single Tilt) 945
Pm Clinic 948
Pm Clinic Service 948
Pm Clinic Check Sheet: D155AXI-8E0 950
Pm Clinic Check Sheet for Undercarriage: D155AXI-8E0 964
40 Troubleshooting 967
Table of Contents 968
Precautions Before Work 981
Related Information to Troubleshooting 982
General Troubleshooting Points 982
Troubleshooting Points for Urea SCR System 983
Sequence of Events in Troubleshooting 997
Checks Before Troubleshooting 999
Inspection Procedure Before Troubleshooting 1001
Walk-Around Check 1001
Test in Accordance with Testing Procedure 1003
Examine Fuel Level and Type 1003
Examine for Impure Ingredient in Fuel 1003
Examine DEF Level and Type 1004
Examine Fuel Prefilter 1004
Examine Fuel Main Filter 1006
Examine Engine Oil Level (Oil Quantity in Oil Pan) and Type 1007
Examine Coolant Level (Reservoir Tank) 1008
Examine Air Cleaner Clogging 1009
Clean Outer Element 1010
Replace Element 1012
Examine Hydraulic Oil Level 1012
Examine Hydraulic Oil Strainer 1014
Examine Hydraulic Oil Filter 1014
Examine Oil Level in Power Train Case 1015
Examine Power Train Strainer 1017
Examine Power Train Filter 1018
Examine Oil Level in Damper Case 1018
Examine Oil Level in Final Drive Case 1019
How to Examine Electric Equipment 1021
Procedure for Troubleshooting 1028
Symptom and Troubleshooting Numbers 1031
Information Shown in Troubleshooting Table 1036
Connector List and Layout (Machine with KOMTRAX Terminal) 1038
Connectors List (Machine with Gateway Function Controller) 1057
Connector Layout (Machine with Gateway Function Controller) 1066
Connector Contact Connection Table 1073
T-Branch Box and T-Branch Adapter Table 1113
Fuse Location Table 1119
Precautions When You Clean and Replace KDPF (KCSF and KDOC) 1122
Prepare Short Circuit Electrical Connector (For Failure Codes [CA1883] and [CA3135]) 1126
Failure Code Table (Machine with KOMTRAX Terminal) 1128
Failure Codes Table (Machine with Gateway Function Controller) 1151
Troubleshooting by Failure Code (Display of Code) 1176
Failure Code [1500L0] 1176
Failure Code [15SAL1] 1177
Failure Code [15SALH] 1179
Failure Code [15SBL1] 1181
Failure Code [15SBLH] 1183
Failure Code [15SEL1] 1185
Failure Code [15SELH] 1187
Failure Code [15SFL1] 1189
Failure Code [15SFLH] 1191
Failure Code [15SGL1] 1193
Failure Code [15SGLH] 1195
Failure Code [15SJL1] 1197
Failure Code [15SJLH] 1199
Failure Code [1800MW] 1201
Failure Code [2300NR] 1202
Failure Code [2301L1] 1203
Failure Code [2301LH] 1205
Failure Code [2302L1] 1207
Failure Code [2302LH] 1209
Failure Code [879AKA] 1211
Failure Code [879AKB] 1212
Failure Code [879BKA] 1213
Failure Code [879BKB] 1215
Failure Code [879CKA] 1217
Failure Code [879CKB] 1218
Failure Code [879DKZ] 1219
Failure Code [879EMC] 1221
Failure Code [879FMC] 1222
Failure Code [879GKX] 1223
Failure Code [989L00] 1225
Failure Code [989M00] 1226
Failure Code [989N00] 1227
Failure Code [A1U0N3] 1228
Failure Code [A1U0N4] 1230
Failure Code [AA10NX] 1232
Failure Code [AB00KE] 1234
Failure Code [AQ10N3] 1236
Failure Code [AS00N3] 1238
Failure Code [AS00R2] 1240
Failure Code [AS00R3] 1241
Failure Code [AS00R4] 1242
Failure Code [AS00R5] 1243
Failure Code [AS00R6] 1244
Failure Code [AS00ZK] 1245
Failure Code [AS10KM] 1246
Failure Code [AS10NR] 1247
Failure Code [AS10NT] 1248
Failure Code [B@BAZG] 1249
Failure Code [B@BCNS] 1250
Failure Code [B@BCQA] 1251
Failure Code [B@BCZK] 1253
Failure Code [B@CENS] 1255
Failure Code [B@HANS] 1256
Failure Code [CA115] 1257
Failure Code [CA122] 1258
Failure Code [CA123] 1260
Failure Code [CA131] 1262
Failure Code [CA132] 1264
Failure Code [CA135] 1266
Failure Code [CA141] 1268
Failure Code [CA144] 1270
Failure Code [CA145] 1272
Failure Code [CA153] 1274
Failure Code [CA154] 1277
Failure Code [CA187] 1280
Failure Code [CA221] 1282
Failure Code [CA222] 1284
Failure Code [CA227] 1286
Failure Code [CA234] 1287
Failure Code [CA238] 1288
Failure Code [CA239] 1290
Failure Code [CA249] 1292
Failure Code [CA256] 1294
Failure Code [CA271] 1296
Failure Code [CA272] 1298
Failure Code [CA273] 1299
Failure Code [CA274] 1301
Failure Code [CA322] 1302
Failure Code [CA323] 1304
Failure Code [CA324] 1306
Failure Code [CA325] 1308
Failure Code [CA331] 1310
Failure Code [CA332] 1312
Failure Code [CA343] 1314
Failure Code [CA351] 1315
Failure Code [CA352] 1316
Failure Code [CA356] 1319
Failure Code [CA357] 1321
Failure Code [CA386] 1324
Failure Code [CA441] 1325
Failure Code [CA442] 1328
Failure Code [CA449] 1329
Failure Code [CA451] 1330
Failure Code [CA452] 1332
Failure Code [CA515] 1334
Failure Code [CA516] 1336
Failure Code [CA553] 1338
Failure Code [CA555] 1339
Failure Code [CA556] 1340
Failure Code [CA559] 1341
Failure Code [CA595] 1346
Failure Code [CA687] 1347
Failure Code [CA689] 1349
Failure Code [CA691] 1351
Failure Code [CA692] 1353
Failure Code [CA697] 1355
Failure Code [CA698] 1356
Failure Code [CA731] 1357
Failure Code [CA778] 1358
Failure Code [CA1117] 1361
Failure Code [CA1664] 1362
Failure Code [CA1669] 1365
Failure Code [CA1673] 1366
Failure Code [CA1677] 1367
Failure Code [CA1678] 1368
Failure Code [CA1682] 1369
Failure Code [CA1683] 1371
Failure Code [CA1684] 1373
Failure Code [CA1686] 1375
Failure Code [CA1691] 1376
Failure Code [CA1694] 1379
Failure Code [CA1695] 1381
Failure Code [CA1696] 1382
Failure Code [CA1712] 1384
Failure Code [CA1713] 1387
Failure Code [CA1714] 1389
Failure Code [CA1715] 1390
Failure Code [CA1776] 1391
Failure Code [CA1777] 1394
Failure Code [CA1843] 1397
Failure Code [CA1844] 1399
Failure Code [CA1879] 1402
Failure Code [CA1881] 1405
Failure Code [CA1883] 1407
Failure Code [CA1885] 1411
Failure Code [CA1887] 1413
Failure Code [CA1921] 1415
Failure Code [CA1922] 1418
Failure Code [CA1923] 1423
Failure Code [CA1924] 1425
Failure Code [CA1925] 1427
Failure Code [CA1927] 1429
Failure Code [CA1928] 1431
Failure Code [CA1942] 1433
Failure Code [CA1963] 1434
Failure Code [CA1977] 1437
Failure Code [CA1993] 1440
Failure Code [CA2185] 1443
Failure Code [CA2186] 1445
Failure Code [CA2249] 1447
Failure Code [CA2265] 1448
Failure Code [CA2266] 1450
Failure Code [CA2271] 1453
Failure Code [CA2272] 1455
Failure Code [CA2349] 1457
Failure Code [CA2353] 1459
Failure Code [CA2357] 1461
Failure Code [CA2381] 1462
Failure Code [CA2382] 1464
Failure Code [CA2383] 1466
Failure Code [CA2386] 1468
Failure Code [CA2387] 1470
Troubleshooting Flowchart 1474
Failure Code [CA2555] 1475
Failure Code [CA2556] 1478
Failure Code [CA2637] 1480
Failure Code [CA2639] 1482
Failure Code [CA2732] 1485
Failure Code [CA2733] 1487
Failure Code [CA2741] 1489
Failure Code [CA2765] 1490
Failure Code [CA2771] 1491
Failure Code [CA2777] 1497
Failure Code [CA2878] 1500
Failure Code [CA2881] 1503
Failure Code [CA2976] 1506
Failure Code [CA3133] 1508
Failure Code [CA3134] 1510
Failure Code [CA3135] 1512
Failure Code [CA3142] 1516
Failure Code [CA3143] 1517
Failure Code [CA3144] 1518
Failure Code [CA3146] 1520
Failure Code [CA3147] 1521
Failure Code [CA3148] 1522
Failure Code [CA3151] 1524
Failure Code [CA3165] 1530
Failure Code [CA3167] 1532
Failure Code [CA3229] 1535
Failure Code [CA3231] 1537
Failure Code [CA3232] 1539
Failure Code [CA3235] 1543
Failure Code [CA3239] 1545
Failure Code [CA3241] 1548
Failure Code [CA3242] 1551
Failure Code [CA3251] 1554
Failure Code [CA3253] 1557
Failure Code [CA3254] 1561
Failure Code [CA3255] 1564
Failure Code [CA3256] 1568
Failure Code [CA3311] 1570
Failure Code [CA3312] 1572
Failure Code [CA3313] 1575
Failure Code [CA3314] 1576
Failure Code [CA3315] 1577
Failure Code [CA3316] 1580
Failure Code [CA3317] 1581
Failure Code [CA3318] 1582
Failure Code [CA3319] 1585
Failure Code [CA3321] 1586
Failure Code [CA3322] 1588
Failure Code [CA3419] 1591
Failure Code [CA3421] 1593
Failure Code [CA3497] 1595
Failure Code [CA3498] 1596
Failure Code [CA3543] 1597
Failure Code [CA3545] 1604
Failure Code [CA3547] 1606
Failure Code [CA3558] 1607
Failure Code [CA3559] 1609
Failure Code [CA3562] 1611
Failure Code [CA3563] 1613
Failure Code [CA3567] 1616
Failure Code [CA3568] 1619
Failure Code [CA3571] 1623
Failure Code [CA3572] 1625
Failure Code [CA3574] 1627
Failure Code [CA3575] 1629
Failure Code [CA3577] 1631
Failure Code [CA3578] 1633
Failure Code [CA3582] 1635
Failure Code [CA3583] 1642
Failure Code [CA3596] 1644
Failure Code [CA3649] 1646
Failure Code [CA3681] 1648
Failure Code [CA3682] 1653
Failure Code [CA3713] 1659
Failure Code [CA3717] 1662
Failure Code [CA3718] 1663
Failure Code [CA3725] 1664
Failure Code [CA3748] 1667
Failure Code [CA3751] 1670
Failure Code [CA3755] 1672
Failure Code [CA3866] 1674
Failure Code [CA3867] 1678
Failure Code [CA3868] 1681
Failure Code [CA3899] 1685
Failure Code [CA3911] 1687
Failure Code [CA3912] 1691
Failure Code [CA3932] 1693
Failure Code [CA3933] 1695
Failure Code [CA3934] 1697
Failure Code [CA3935] 1700
Failure Code [CA3936] 1702
Failure Code [CA4151] 1704
Failure Code [CA4152] 1708
Failure Code [CA4155] 1712
Failure Code [CA4156] 1714
Failure Code [CA4157] 1717
Failure Code [CA4158] 1719
Failure Code [CA4159] 1720
Failure Code [CA4161] 1721
Failure Code [CA4162] 1724
Failure Code [CA4163] 1727
Failure Code [CA4164] 1729
Failure Code [CA4165] 1731
Failure Code [CA4166] 1733
Failure Code [CA4168] 1735
Failure Code [CA4169] 1738
Failure Code [CA4171] 1740
Failure Code [CA4249] 1743
Failure Code [CA4251] 1745
Failure Code [CA4259] 1747
Failure Code [CA4261] 1750
Failure Code [CA4277] 1753
Failure Code [CA4281] 1757
Failure Code [CA4459] 1761
Failure Code [CA4461] 1764
Failure Code [CA4658] 1767
Failure Code [CA4731] 1771
Failure Code [CA4732] 1772
Failure Code [CA4739] 1773
Failure Code [CA4768] 1774
Failure Code [CA4769] 1776
Failure Code [CA4842] 1779
Failure Code [CA4952] 1783
Failure Code [CA5115] 1785
Failure Code [CA5383] 1788
Failure Code [D130KA] 1790
Failure Code [D130KB] 1793
Failure Code [D190KA] 1795
Failure Code [D190KB] 1797
Failure Code [D19JKZ] 1799
Failure Code [D811MC] (Machine with KOMTRAX Terminal) 1802
Failure Code [D811MC] (Machine with Gateway Function Controller) 1803
Failure Code [D862KA] (Machine with KOMTRAX Terminal) 1804
Failure Code [D862KA] (Machine with Gateway Function Controller) 1805
Failure Code [D8ALKA] (Machine with KOMTRAX Terminal) 1806
Failure Code [D8ALKA] (Machine with Gateway Function Controller) 1808
Failure Code [D8ALKB] (Machine with KOMTRAX Terminal) 1810
Failure Code [D8ALKB] (Machine with Gateway Function Controller) 1813
Failure Code [D8AQKR] 1816
Failure Code [D8ARKR] (Machine with Gateway Function Controller) 1817
Failure Code [D8G1KT] (Machine with Gateway Function Controller) 1819
Failure Code [D8G6KT] (Machine with Gateway Function Controller) 1820
Failure Code [DAF0MB] 1821
Failure Code [DAF0MC] 1822
Failure Code [DAF8KB] 1823
Failure Code [DAF9KQ] 1824
Failure Code [DAFGMC] 1825
Failure Code [DAFLKA] 1826
Failure Code [DAFLKB] 1828
Failure Code [DAFQKR] 1831
Failure Code [DAZ9KQ] 1832
Failure Code [DAZQKR] 1833
Failure Code [DB2QKR] 1834
Failure Code [DB2RKR] 1841
Failure Code [DB90KT] 1847
Failure Code [DB90MC] 1848
Failure Code [DB91KK] 1849
Failure Code [DB92KK] 1852
Failure Code [DB95KK] 1854
Failure Code [DB97KK] 1857
Failure Code [DB99KQ] 1859
Failure Code [DB9LKA] 1861
Failure Code [DB9LKB] 1863
Failure Code [DB9QKR] 1865
Failure Code [DB9RKR] 1866
Failure Code [DBE0KT] 1868
Failure Code [DBE0MC] 1869
Failure Code [DBE1KK] 1870
Failure Code [DBE2KK] 1873
Failure Code [DBE5KK] 1876
Failure Code [DBE6KK] 1878
Failure Code [DBE9KQ] 1880
Failure Code [DBELKA] 1881
Failure Code [DBELKB] 1883
Failure Code [DBEQKR] 1885
Failure Code [DBERKR] 1886
Failure Code [DBTSKR] 1888
Failure Code [DBUTKA] 1891
Failure Code [DD12KA] 1892
Failure Code [DD12KB] 1894
Failure Code [DD13KA] 1896
Failure Code [DD13KB] 1898
Failure Code [DD14KA] 1900
Failure Code [DD14KB] 1903
Failure Code [DDDDKA] 1905
Failure Code [DDDDKB] 1908
Failure Code [DDDDKX] 1911
Failure Code [DDKAKA] 1912
Failure Code [DDKAKB] 1914
Failure Code [DDKBKA] 1916
Failure Code [DDKBKB] 1918
Failure Code [DDKCL4] 1920
Failure Code [DDKEL4] 1923
Failure Code [DDKQKA] 1926
Failure Code [DDKQKB] 1928
Failure Code [DDKRKA] 1930
Failure Code [DDKRKB] 1932
Failure Code [DDKSKA] 1934
Failure Code [DDKSKB] 1936
Failure Code [DDN7L4] 1939
Failure Code [DDN8L4] 1942
Failure Code [DDNLKA] 1945
Failure Code [DDNLKB] 1947
Failure Code [DDTSL1] 1949
Failure Code [DDTSLH] 1951
Failure Code [DFA4KX] 1953
Failure Code [DFA4KZ] 1954
Failure Code [DFA4L8] 1955
Failure Code [DFA5KA] 1956
Failure Code [DFA5KY] 1959
Failure Code [DFA6KA] 1961
Failure Code [DFA6KY] 1964
Failure Code [DFA7KX] 1966
Failure Code [DFA7KZ] 1967
Failure Code [DFA7L8] 1968
Failure Code [DFA8KA] 1969
Failure Code [DFA8KY] 1972
Failure Code [DFA9KA] 1974
Failure Code [DFA9KY] 1977
Failure Code [DFAAKX] 1979
Failure Code [DFAAKZ] 1980
Failure Code [DFAAL8] 1981
Failure Code [DFABKA] 1982
Failure Code [DFABKY] 1985
Failure Code [DFACKA] 1987
Failure Code [DFACKY] 1990
Failure Code [DGS1KA] 1992
Failure Code [DGS1KX] 1994
Failure Code [DGT1KA] 1996
Failure Code [DGT1KX] 1999
Failure Code [DH21KA] 2001
Failure Code [DH21KY] 2004
Failure Code [DHA4KA] 2006
Failure Code [DHAAMA] 2008
Failure Code [DHACMA] 2010
Failure Code [DHT5KA] 2012
Failure Code [DHT5KY] 2015
Failure Code [DHT7KA] 2017
Failure Code [DHT7KY] 2020
Failure Code [DK10KA] 2022
Failure Code [DK10KB] 2025
Failure Code [DK30KA] 2027
Failure Code [DK30KX] 2030
Failure Code [DK30KY] 2031
Failure Code [DK30KZ] 2033
Failure Code [DK30L8] 2034
Failure Code [DK31KA] 2035
Failure Code [DK31KY] 2038
Failure Code [DK40KA] 2040
Failure Code [DK40KY] 2043
Failure Code [DK55KX] 2045
Failure Code [DK55KZ] 2046
Failure Code [DK55L8] 2047
Failure Code [DK56KA] 2048
Failure Code [DK56KY] 2051
Failure Code [DK57KA] 2053
Failure Code [DK57KY] 2056
Failure Code [DK80KA] 2058
Failure Code [DKH1KA] 2061
Failure Code [DKH1KY] 2064
Failure Code [DKSGL8] 2066
Failure Code [DKSHKA] 2068
Failure Code [DKSHKB] 2070
Failure Code [DKSJKA] 2072
Failure Code [DKSJKB] 2074
Failure Code [DKSKKA] 2076
Failure Code [DKSKKB] 2078
Failure Code [DKSKMB] 2080
Failure Code [DKSLL8] 2082
Failure Code [DKSMKA] 2084
Failure Code [DKSMKB] 2086
Failure Code [DKSNKA] 2088
Failure Code [DKSNKB] 2090
Failure Code [DKSPKA] 2092
Failure Code [DKSPKB] 2094
Failure Code [DKSPMB] 2096
Failure Code [DLM3KA] 2098
Failure Code [DLM3KB] 2100
Failure Code [DLM3MB] 2101
Failure Code [DLT3KA] 2102
Failure Code [DLT3KB] 2104
Failure Code [DR21KX] 2106
Failure Code [DR31KX] 2107
Failure Code [DV20KB] 2108
Failure Code [DW7BKA] 2110
Failure Code [DW7BKB] 2112
Failure Code [DWN1KA] 2114
Failure Code [DWN1KB] 2116
Failure Code [DWN1KY] 2118
Failure Code [DWN2KA] 2119
Failure Code [DWN2KB] 2121
Failure Code [DWN2KY] 2122
Failure Code [DWN3KA] 2123
Failure Code [DWN3KB] 2125
Failure Code [DWN3KY] 2127
Failure Code [DWN5KA] 2129
Failure Code [DWN5KB] 2131
Failure Code [DWN5KY] 2133
Failure Code [DXA2KA] 2135
Failure Code [DXA2KB] 2137
Failure Code [DXA2KY] 2139
Failure Code [DXH1KA] 2141
Failure Code [DXH1KB] 2143
Failure Code [DXH1KY] 2145
Failure Code [DXH4KA] 2147
Failure Code [DXH4KB] 2149
Failure Code [DXH4KY] 2151
Failure Code [DXH5KA] 2153
Failure Code [DXH5KB] 2154
Failure Code [DXH5KY] 2155
Failure Code [DXH6KA] 2156
Failure Code [DXH6KB] 2158
Failure Code [DXH6KY] 2159
Failure Code [DXH7KA] 2161
Failure Code [DXH7KB] 2163
Failure Code [DXH7KY] 2165
Failure Code [DXH8KA] 2167
Failure Code [DXH8KB] 2169
Failure Code [DXH8KY] 2171
Failure Code [DXHBKA] 2173
Failure Code [DXHBKB] 2175
Failure Code [DXHBKY] 2177
Failure Code [DXHCKA] 2179
Failure Code [DXHCKB] 2181
Failure Code [DXHCKY] 2183
Failure Code [DXHRKA] 2185
Failure Code [DXHRKB] 2187
Failure Code [DXHRKY] 2188
Failure Code [DXHSKA] 2190
Failure Code [DXHSKB] 2192
Failure Code [DXHSKY] 2193
Failure Code [DXHTKA] 2195
Failure Code [DXHTKB] 2197
Failure Code [DXHTKY] 2199
Failure Code [DXHUKA] 2201
Failure Code [DXHUKB] 2203
Failure Code [DXHUKY] 2205
Failure Code [DXHWKA] 2207
Failure Code [DXHWKB] 2209
Failure Code [DXHWKY] 2210
Failure Code [DXHXKA] 2212
Failure Code [DXHXKB] 2214
Failure Code [DXHXKY] 2215
Failure Code [DXHYKA] 2217
Failure Code [DXHYKB] 2219
Failure Code [DXHYKY] 2220
Failure Code [DXHZKA] 2222
Failure Code [DXHZKB] 2224
Failure Code [DXHZKY] 2225
Failure Code [DXJ4KA] 2227
Failure Code [DXJ4KB] 2229
Failure Code [DXJ8KA] 2230
Failure Code [DXJ8KB] 2232
Failure Code [DXJ8KY] 2234
Failure Code [DXJ9KA] 2236
Failure Code [DXJ9KB] 2238
Failure Code [DXJ9KY] 2240
Failure Code [DXJAKA] 2242
Failure Code [DXJAKB] 2244
Failure Code [DXJAKY] 2246
Failure Code [DXJBKA] 2248
Failure Code [DXJBKB] 2250
Failure Code [DXJBKY] 2252
Failure Code [F311KA] 2254
Failure Code [F311KB] 2256
Failure Code [F312KA] 2258
Failure Code [F312KB] 2260
Failure Code [F313KA] 2262
Failure Code [F313KB] 2264
Failure Code [F314KA] 2267
Failure Code [F314KB] 2269
Failure Code [F315KB] 2271
Failure Code [F315KY] 2273
Failure Code [F316KB] 2275
Failure Code [F316KY] 2277
Failure Code [F318KB] 2279
Failure Code [F318KY] 2282
Failure Code [F31AKB] 2284
Failure Code [F31AKY] 2286
Failure Code [F31BKB] 2288
Failure Code [F31BKY] 2290
Failure Code [F31CKB] 2292
Failure Code [F31CKY] 2294
Failure Code [F31DKB] 2296
Failure Code [F31DKY] 2298
Failure Code [F31EKB] 2300
Failure Code [F31EKY] 2302
Troubleshooting of Electrical System (E-Mode) 2304
E-1 Engine Does Not Start (Engine Does Not Crank) 2304
E-2 Manual Preheating System Does Not Operate 2311
E-3 Automatic Preheating System Does Not Operate 2314
E-4 While Preheating is in Operation, Preheating Monitor Does Not Come On 2316
E-5 When Starting Switch is Turned to ON Position, Machine Monitor Shows Nothing 2318
E-6 While Starting Switch is Turned to ON Position (with Engine Stopped), Radiator Coolant Level Monitor Comes On in Yellow 2322
E-7 Air Cleaner Clogging Monitor Comes On in Yellow While Engine is in Operation 2324
E-8 Charge Level Monitor Comes On in Red While Engine is in Operation 2325
E-9 Engine Coolant Temperature Monitor Comes On in Red While Engine is in Operation 2327
E-10 Engine Oil Pressure Monitor Comes on in Red While Engine is in Operation 2328
E-11 Power Train Oil Temperature Monitor Comes On in Red While Engine is in Operation 2329
E-12 Hydraulic Oil Temperature Monitor Comes On in Red While Engine is in Operation 2330
E-13 Engine Coolant Temperature Gauge Does Not Show Correct Temperature 2331
E-14 Fuel Gauge Does Not Show Normally 2332
E-15 Power Train Oil Temperature Gauge Does Not Show Correct Temperature 2334
E-16 Hydraulic Oil Temperature Gauge Does Not Show Correct Temperature 2335
E-17 Operation Mode Does Not Change 2336
E-18 Gear Shift Mode Does Not Change 2337
E-19 Operating Customize Switch Does Not Display Customize Screen 2338
E-20 Modifying Setting on Customize Screen Does Not Change Setting of Machine 2339
E-21 Some Areas of Machine Monitor Screen are Not Shown 2340
E-22 Alarm Buzzer Does Not Sound or Cannot be Stopped 2341
E-23 Service Meter is Not Shown, While Starting Switch is in OFF Position 2342
E-24 Machine Does Not Change to Service Mode 2343
E-25 Horn Does Not Sound 2344
E-26 Horn Does Not Stop 2346
E-27 Backup Alarm Does Not Sound 2347
E-28 Backup Alarm Does Not Stop 2348
E-29 Headlamp Does Not Come On 2349
E-30 Rear Lamp and Ripper Point Lamp Do Not Come On 2353
E-31 No Wiper Operates 2357
E-32 Front Wiper Does Not Operate 2362
E-33 Rear Wiper Does Not Operate 2366
E-34 Left Door Wiper Does Not Operate 2370
E-35 Right Door Wiper Does Not Operate 2374
E-36 Fuel Feed Pump Does Not Operate or Stop Automatically 2378
E-37 Fan Does Not Rotate in Reverse 2379
E-38 Gear Cannot be Shifted 2380
E-39 Front Washer Does Not Operate 2381
E-40 Rear Washer Does Not Operate 2384
E-41 Left Door Washer Does Not Operate 2387
E-42 Right Door Washer Does Not Operate 2390
E-43 Ripper Pin Puller Does Not Work 2393
E-44 KOMTRAX System Does Not Operate Correctly 2395
E-45 Control Box Shuts Down After It Shows Messages [GPS receiver not connected !] and [Slope sensor not connected !] 2396
E-46 Control Box Shows Messages [GPS receiver not connected !] and [Slope sensor not connected !] 2400
E-47 Control Box Shows Message [Waiting for radio link ] 2403
E-48 Control Box Shows Message [IMU sensor not connected] Show Production 2404
E-49 Control Box Shows Message [Waiting for satellites ] 2405
E-50 Control Box Shows Message [Komatsu controller not connected!] Show Production 2406
E-51 Control Box Shows Message [Cylinder Stroke Reading Abnormal] 2408
E-52 Control Box Shows Message [Komatsu CAN Comms Abnormal] 2409
E-53 Control Box Shows Message [Komatsu Machine Trouble] 2410
E-54 Control Box Shows Message [Waiting to initialize ] 2411
E-55 Control Box Shows Message [System Initializing] 2412
E-56 Control Box Shows Message [Initializing ] 2413
E-57 Control Box Shows Message [Configuring GPS] 2414
E-58 Control Box Shows Message [No GPS Localization ] 2415
E-59 Control Box Shows Message [Low precisions ] 2416
E-60 Control Box Shows Message [Heading Initializing] 2417
E-61 Control Box Displays [Out of design area ] 2418
E-62 Control Box Can Not be Turned on 2419
E-63 Control Box Does Not Display Intelligent Machine Control Screen 2420
E-64 Control Box Does Not Display Bulldozer Image 2421
E-65 Control Box Does Not Display Design Surface 2422
E-66 Control Box Touch Panel Does Not Respond 2423
E-67 Control Box Touch Panel is Inaccurate 2424
E-68 Cylinder Stroke Reset Indication Does Not Go Out 2425
E-69 AUTO is Not Shown When AUTO/Manual Switch is Pushed (AUTO Indication Goes Out) 2426
E-70 Blade Automatic Lower Control Does Not Start While AUTO is Shown 2427
E-71 Blade Automatic Raise Control Does Not Start While AUTO is Shown 2428
E-72 Blade Automatic Control Function is Not Activated While AUTO is Shown (Blade Automatic Control Stops) 2429
E-73 When You Examine and Adjust the Blade Elevation, the Value is Different from Actual Machine 2430
E-74 Finished Surface is Inaccurate (The Average Height of Finished Surface is Lower Than Designed Surface or Blade Does Not Touch the Surface) 2431
E-75 Finished Surface is Inaccurate (The Finished Surface is Not Smooth) 2432
E-76 Finished Surface is Inaccurate (When You Finish Slope Horizontally, Steps are Made in Each Direction) 2433
E-77 Machine Can Not Escape from Shoes Slip While Blade Automatic Control is Activated (Shoes Frequently Slips) 2434
E-78 Blade Tilt Angle Does Not Align with Design Surface 2435
E-79 When You Push Cut/Fill Level Switch (Raise), the Design Surface Does Not Rise 2437
E-80 When You Push Cut/Fill Level Switch (Lower), the Design Surface Does Not Lower 2440
E-81 When Starting Switch is Turned to ON Position, Reverse Leveling Mode Switch LED Does Not Come On or Does Not Go Out 2443
E-82 When Reverse Leveling Mode Switch is Pushed, Buzzer Does Not Sound (Does Not Switch to Reverse Leveling Mode) 2445
Troubleshooting for Hydraulic and Mechanical Systems (H Mode) 2448
Information Shown in Troubleshooting Table (H-Mode) 2448
System Chart of Hydraulic and Mechanical Systems 2449
Failure Mode and Cause Table 2453
H-1 Machine Power is Not Sufficient (Not Sufficient Drawbar Pull) 2461
H-2 Machine Does Not Travel (at 2nd or 3rd Gear Speed) 2464
H-3 Machine Does Not Move Off at All Gear Speeds 2466
H-4 Machine Travels Only in One Direction, Forward or in Reverse 2469
H-5 Large Time Lag is in Gear Shifting or Directional Change 2470
H-6 Brake Does Not Work 2472
H-7 Power Train Oil Overheats 2473
H-8 Unusual Noise is Heard from Around Work Equipment and HSS Pump or HSS Motor 2475
H-9 Torque Converter Lockup Clutch Does Not Engage 2476
H-10 Machine Cannot be Steered (Machine Does Not Turn LEFT or RIGHT) 2477
H-11 Steering Speed or Power is Not Sufficient 2479
H-12 All Work Equipment Operate Slowly 2481
H-13 All Work Equipment Do Not Operate 2483
H-14 Blade Lift Speed or Power is Low 2485
H-15 Blade Tilt Speed or Power is Low 2487
H-16 Ripper Lift Speed or Power is Low 2489
H-17 Ripper Tilt Speed or Power is Low 2491
H-18 Hydraulic Drift of Blade Lift is Large 2493
H-19 Hydraulic Drift of Tilted Blade is Large 2494
H-20 Hydraulic Drift of Lifted Ripper is Large 2495
H-21 Ripper Pin Puller Cylinder Does Not Operate 2496
H-22 Blade Pitch Cylinder Does Not Operate 2497
H-23 Fan Speed is Abnormal (Too High or Low, or Does Not Rotate) 2498
H-24 Unusual Noise is Heard from Around Fan 2499
Troubleshooting of Engine (S-Mode) 2500
Information Shown in Troubleshooting Table (S-Mode) 2500
S-1 Engine Does Not Crank When Starting Switch is Turned to Start Position 2501
S-2 Engine Cranks but No Exhaust Smoke Comes Out 2502
S-3 Fuel is Injected but Engine Does Not Start (Misfiring: Engine Cranks but Does Not Start) 2503
S-4 Engine Startability is Unsatisfactory 2504
S-5 Engine Does Not Pick Up Smoothly 2506
S-6 Engine Stops During Operation 2508
S-7 Engine Runs Rough or is Not Stable 2510
S-8 Engine Lacks Power 2511
S-9 KDPF Becomes Clogged in a Short Time 2513
S-10 Engine Oil Consumption is Excessive 2515
S-11 Oil Becomes Dirty Quickly 2516
S-12 Fuel Consumption is Excessive 2517
S-13 Oil is in Coolant (or Coolant Spurts Back or Coolant 2518
S-14 Oil Pressure Drops 2519
S-15 Fuel Mixes Into Engine Oil 2521
S-16 Water Mixes Into Engine Oil (Milky) 2522
S-17 Coolant Temperature Increases Too High (Overheating) 2523
S-18 Unusual Noise is Heard 2524
S-19 Vibration is Excessive 2525
S-20 Air Cannot be Bled from Fuel Circuit 2526
S-21 Active Regeneration is Done Frequently 2527
S-22 Active Regeneration Continues Long 2529
S-23 White Smoke is Exhausted During Active Regeneration 2530
S-24 DEF Consumption is Excessive 2531
S-25 There is Unusual Smell (Irritating Odor) 2533
S-26 Foreign Materials Enter DEF (DEF Increases) 2534
50 Disassembly and Assembly 2535
Table of Contents 2536
Precautions Before Work 2542
Related Information on Disassembly and Assembly 2543
How to Read This Manual 2543
Coating Materials List 2544
Special Tool List 2549
Sketches of Special Tools 2578
Engine and Cooling System 2605
Remove and Install Supply Pump Assembly 2605
How to Remove Supply Pump Assembly 2605
How to Install Supply Pump Assembly 2607
Remove and Install Injector Assembly 2613
How to Remove Injector Assembly 2613
How to Install Injector Assembly 2619
Remove and Install Fuel Doser Assembly 2628
How to Remove Fuel Doser Assembly 2628
How to Install Fuel Doser Assembly 2629
Remove and Install Cylinder Head Assembly 2630
How to Remove Cylinder Head Assembly 2631
How to Install Cylinder Head Assembly 2641
Remove and Install EGR Valve Assembly 2657
How to Remove EGR Valve Assembly 2657
How to Install EGR Valve Assembly 2658
Remove and Install EGR Cooler Assembly 2660
How to Remove EGR Cooler Assembly 2660
How to Install EGR Cooler Assembly 2663
Remove and Install Starter Assembly 2667
How to Remove Starting Motor Assembly 2667
How to Install Starting Motor Assembly 2668
Remove and Install Alternator Belt 2670
How to Remove Alternator Belt 2670
How to Install Alternator Belt 2671
Remove and Install Radiator Assembly 2673
How to Remove Radiator Assembly 2673
How to Install Radiator Assembly 2678
Remove and Install Hydraulic Oil Cooler Assembly 2686
How to Remove Hydraulic Oil Cooler Assembly 2686
How to Install Hydraulic Oil Cooler Assembly 2687
Remove and Install Aftercooler Assembly 2689
How to Remove Aftercooler Assembly 2689
How to Install Aftercooler Assembly 2690
Remove and Install Cooling Fan Drive Assembly 2693
How to Remove Cooling Fan Drive Assembly 2693
How to Install Cooling Fan Drive Assembly 2695
Remove and Install Cooling Fan Motor Assembly 2697
How to Remove Cooling Fan Motor Assembly 2697
How to Install Cooling Fan Motor Assembly 2698
Remove and Install Engine Assembly 2699
How to Remove Engine Assembly 2699
How to Install Engine Assembly 2710
Remove and Install Engine Front Oil Seal 2720
How to Remove Engine Front Oil Seal 2720
How to Install Engine Front Oil Seal 2722
Remove and Install Engine Rear Oil Seal 2726
How to Remove Engine Rear Oil Seal 2726
How to Install Engine Rear Oil Seal 2728
Remove and Install Engine Hood Assembly 2732
How to Remove Engine Hood Assembly 2732
How to Install Engine Hood Assembly 2735
Remove and Install Fuel Tank Assembly 2738
How to Remove Fuel Tank Assembly 2738
How to Install Fuel Tank Assembly 2741
Remove and Install DEF Tank Assembly 2745
How to Remove DEF Tank Assembly 2745
How to Install DEF Tank Assembly 2752
Remove and Install DEF Tank Sensor Flange Assembly 2757
How to Remove DEF Tank Sensor Flange Assembly 2757
How to Install DEF Tank Sensor Flange Assembly 2763
Remove and Install DEF Tank Sensor 2769
How to Remove DEF Tank Sensor 2769
How to Install DEF Tank Sensor 2769
Remove and Install DEF Tank Strainer 2776
How to Remove DEF Tank Strainer 2776
How to Install DEF Tank Strainer 2776
Remove and Install DEF Tank Filler Port Filter 2777
How to Remove DEF Tank Filler Port Filter 2777
How to Install DEF Tank Filler Port Filter 2778
Remove and Install KDPF Assembly 2781
How to Remove KDPF Assembly 2781
How to Install KDPF Assembly 2785
Disassemble and Assemble KDPF Assembly 2789
How to Disassemble KDPF Assembly 2789
How to Assemble KDPF Assembly 2794
Remove and Install SCR Assembly 2799
How to Remove SCR Assembly 2799
How to Install SCR Assembly 2802
Remove and Install KDPF and SCR Assembly 2807
How to Remove KDPF and SCR Assembly 2807
How to Install KDPF and SCR Assembly 2812
Remove and Install KCCV Assembly 2819
How to Remove KCCV Assembly 2819
How to Install KCCV Assembly 2821
Remove and Install DEF Mixing Tube 2824
How to Remove DEF Mixing Tube 2824
How to Install DEF Mixing Tube 2827
Remove and Install DEF Injector 2832
How to Remove DEF Injector 2832
How to Install DEF Injector 2835
Remove and Install DEF Pump 2838
How to Remove DEF Pump 2838
How to Install DEF Pump 2842
Remove and Install DEF Hose 2846
How to Remove DEF Hose 2846
How to Install DEF Hose 2852
Remove and Install Air Cleaner Assembly 2858
How to Remove Air Cleaner Assembly 2858
How to Install Air Cleaner Assembly 2859
Remove and Install Air Conditioner Compressor Assembly 2861
How to Remove Air Conditioner Compressor Assembly 2861
How to Install Air Conditioner Compressor Assembly 2862
Remove and Install Air Conditioner Condenser Assembly 2863
How to Remove Air Conditioner Condenser Assembly 2863
How to Install Air Conditioner Condenser Assembly 2864
Power Train 2867
Remove and Install Damper Assembly 2867
How to Remove Damper Assembly 2867
How to Install Damper Assembly 2869
Disassemble and Assemble Damper Assembly 2872
How to Disassemble Damper Assembly 2873
How to Assemble Damper Assembly 2874
Remove and Install Power Train Unit Assembly 2877
How to Remove Power Train Unit Assembly 2877
How to Install Power Train Unit Assembly 2882
Disconnect and Connect Power Train Unit Assembly 2887
How to Disconnect Power Train Unit Assembly 2887
How to Connect Power Train Unit Assembly 2893
Disassemble and Assemble PTO Assembly 2899
How to Disassemble PTO Assembly 2899
How to Assemble PTO Assembly 2903
Disassemble and Assemble Torque Converter Assembly 2910
How to Disassemble Torque Converter Assembly 2910
How to Assemble Torque Converter Assembly 2916
Disassemble and Assemble Transmission Assembly 2924
How to Disassemble Transmission Assembly 2925
How to Assemble Transmission Assembly 2935
Disassemble and Assemble HSS Assembly 2948
How to Disassemble HSS Assembly 2950
How to Assemble HSS Assembly 2959
Remove and Install HSS Motor Assembly 2973
How to Remove HSS Motor Assembly 2973
How to Install HSS Motor Assembly 2974
Remove and Install Final Drive Assembly 2976
How to Remove Final Drive Assembly 2976
How to Install Final Drive Assembly 2978
Disassemble and Assemble Final Drive Assembly 2981
How to Disassemble Final Drive Assembly 2983
How to Assemble Final Drive Assembly 2990
Undercarriage and Frame 3001
Remove and Install Track Frame Assembly (Applicable Machine: 100001 to 100616) 3001
How to Remove Track Frame Assembly 3002
How to Install Track Frame Assembly 3006
Remove and Install Track Frame Assembly (Applicable Machine: 100617 and up) 3011
How to Remove Track Frame Assembly (Applicable Machine: 100617 and up) 3011
How to Install Track Frame Assembly (Applicable Machine: 100617 and up) 3016
Remove and Install Idler Assembly 3020
How to Remove Idler Assembly 3020
How to Install Idler Assembly 3021
Disassemble and Assemble Idler Assembly 3023
How to Disassemble Idler Assembly 3023
How to Assemble Idler Assembly 3024
Remove and Install Recoil Spring Assembly 3028
How to Remove Recoil Spring Assembly 3028
How to Install Recoil Spring Assembly 3028
Disassemble and Assemble Recoil Spring Assembly 3029
How to Disassemble Recoil Spring Assembly 3029
How to Assemble Recoil Spring Assembly 3033
Remove and Install Track Roller Assembly 3036
How to Remove Track Roller Assembly 3036
How to Install Track Roller Assembly 3038
Disassemble and Assemble Track Roller Assembly 3040
How to Disassemble Track Roller Assembly 3040
How to Assemble Track Roller Assembly 3041
Remove and Install No 1 Bogie Assembly 3044
How to Remove No 1 Bogie Assembly 3045
How to Install No 1 Bogie Assembly 3048
Remove and Install No 2, 3, 4 Bogie Assemblies 3053
How to Remove No 2, 3, 4 Bogie Assemblies 3054
How to Install No 2, 3, 4 Bogie Assemblies 3056
Disassemble and Assemble Bogie Assembly 3061
How to Disassemble Bogie Assembly 3061
How to Assemble Bogie Assembly 3062
Remove and Install Carrier Roller Assembly 3064
How to Remove Carrier Roller Assembly 3064
How to Install Carrier Roller Assembly 3065
Disassemble and Assemble Carrier Roller Assembly 3066
How to Disassemble Carrier Roller Assembly 3066
How to Assemble Carrier Roller Assembly 3068
Remove and Install Pivot Shaft Assembly 3071
How to Remove Pivot Shaft Assembly 3071
How to Install Pivot Shaft Assembly 3072
Separate and Connect Track Assembly 3073
How to Examine Before Separation of Track Assembly 3073
How to Separate Track Assembly (Standard) 3073
How to Separate Track Assembly (When Track Frame Has Internal Defect) 3074
How to Install Track Assembly 3076
Separate and Connect PLUS Type Track Assembly 3078
Separate PLUS Type Track Assembly Generally 3078
Install PLUS Type Track Assembly 3078
Disassemble and Assemble Track Assembly Generally 3079
How to Disassemble Full Track Shoes Assembly 3079
How to Assemble Full Track Shoes Assembly 3081
Disassemble and Assemble PLUS Type Track Assembly Generally 3094
Disassemble PLUS Type Track Assembly Generally 3094
How to Assemble PLUS Type Track Shoes Assembly Generally 3095
Disassemble and Assemble One Track Link Assembly in Field 3104
How to Disassemble One Track Link Assembly in Field 3105
How to Assemble One Track Link Assembly in Field 3106
Disassemble and Assemble Master Link 3109
How to Disassemble Master Link 3109
How to Assemble Master Link 3110
Remove and Install Equalizer Bar Assembly 3113
How to Remove Equalizer Bar Assembly 3113
How to Install Equalizer Bar Assembly 3115
Disassemble and Assemble Equalizer Bar Bushing 3117
How to Disassemble Equalizer Bar Bushing 3117
How to Assemble Equalizer Bar Bushing 3118
Remove and Install Sprocket 3119
How to Remove Sprocket 3119
How to Install Sprocket 3119
Remove and Install Center Under Guard Assembly 3120
How to Remove Underguard Assembly 3120
How to Install Underguard Assembly 3127
Hydraulic System 3135
Remove and Install Hydraulic Tank Assembly 3135
How to Remove Hydraulic Tank Assembly 3135
How to Install Hydraulic Tank Assembly 3136
Remove and Install Work Equipment Pump and HSS Pump Assembly 3138
How to Remove Work Equipment Pump and HSS Pump Assembly 3138
How to Install Work Equipment Pump and HSS Pump Assembly 3140
Remove and Install Power Train Pump and Steering Lubrication Pump Assembly 3142
How to Remove Power Train Pump and Steering Lubrication Pump Assembly 3142
How to Install Power Train Pump and Steering Lubrication Pump Assembly 3144
Remove and Install Cooling Fan Pump Assembly 3146
How to Remove Cooling Fan Pump Assembly 3146
How to Install Cooling Fan Pump Assembly 3148
Remove and Install Scavenging Pump Assembly 3150
How to Remove Scavenging Pump Assembly 3150
How to Install Scavenging Pump Assembly 3151
Remove and Install Control Valve Assembly 3152
How to Remove Control Valve Assembly 3152
How to Install Control Valve Assembly 3153
Work Equipment 3156
Remove and Install Blade Assembly 3156
How to Remove Blade Assembly 3156
How to Install Blade Assembly 3158
Disassemble and Assemble Blade Assembly 3161
How to Disassemble Blade Assembly 3161
How to Assemble Blade Assembly 3164
Disassemble and Assemble Multi-Shank Ripper Assembly 3167
How to Disassemble Multi-Shank Ripper Assembly 3167
How to Assemble Multi-Shank Ripper Assembly 3169
Disassemble and Assemble Giant Ripper Assembly 3172
How to Disassemble Giant Ripper Assembly 3172
How to Assemble Giant Ripper Assembly 3175
Remove and Install Stroke and Reset Sensing Blade Lift Cylinder Assembly 3178
How to Remove Stroke and Reset Sensing Blade Lift Cylinder Assembly 3179
How to Install Stroke and Reset Sensing Blade Lift Cylinder Assembly 3183
Disassemble and Assemble Stroke and Reset Sensing Blade Lift Cylinder Assembly 3188
How to Disassemble Stroke and Reset Sensing Blade Lift Cylinder Assembly 3189
Assemble Stroke and Reset Sensing Blade Lift Cylinder Assembly 3194
Disassemble and Assemble Blade Tilt Cylinder Assembly 3207
How to Disassemble Blade Tilt Cylinder Assembly 3207
How to Assemble Blade Tilt Cylinder Assembly 3209
Disassemble and Assemble Ripper Cylinder Assembly 3212
How to Disassemble Ripper Cylinder Assembly 3212
How to Assemble Ripper Cylinder Assembly 3214
CAB Related Parts 3219
Remove and Install Operator Cab Assembly 3219
How to Remove Operator Cab Assembly 3220
How to Install Operator Cab Assembly 3227
Remove and Install Operator Cab Glass (Adhered Glass) 3236
How to Remove Operator Cab Glass (Adhered Glass) 3238
How to Install Operator Cab Glass (Adhered Glass) 3238
Remove and Install Air Conditioner Unit Assembly 3243
How to Remove Air Conditioner Unit Assembly 3243
How to Install Air Conditioner Unit Assembly 3249
Remove and Install Operator Seat 3257
How to Remove Operator Seat 3257
How to Install Operator Seat 3258
How to Remove and Install Seat Belt 3259
How to Remove Seat Belt 3259
How to Install Seatbelt 3260
Electrical System 3261
Remove and Install Engine Controller Assembly 3261
How to Remove Engine Controller Assembly 3261
How to Install Engine Controller Assembly 3264
Remove and Install Power Train Controller Assembly 3267
How to Remove Power Train Controller Assembly 3267
How to Install Power Train Controller Assembly 3268
Remove and Install Work Equipment Controller Assembly 3269
How to Remove Work Equipment Controller Assembly 3269
How to Install Work Equipment Controller Assembly 3269
Remove and Install Machine Monitor Assembly 3271
How to Remove Machine Monitor Assembly 3271
How to Install Machine Monitor Assembly 3272
Remove and Install Mass Air Flow and Temperature Sensor 3274
How to Remove Mass Air Flow and Temperature Sensor 3274
How to Install Mass Air Flow and Temperature Sensor 3275
Remove and Install KCCV Crankcase Pressure Sensor 3277
How to Remove KCCV Crankcase Pressure Sensor 3277
How to Install KCCV Crankcase Pressure Sensor 3278
Remove and Install SCR Temperature Sensor 3279
How to Remove SCR Temperature Sensor 3279
How to Install SCR Temperature Sensor 3281
Remove and Install Battery Relay 3283
How to Remove Battery Relay 3283
How to Install Battery Relay 3291
Remove and Install KOMTRAX Terminal Assembly 3297
How to Remove KOMTRAX Terminal Assembly 3297
How to Install KOMTRAX Terminal Assembly 3299
Remove and Install Gateway Controller Assembly 3302
How to Remove Gateway Controller Assembly 3302
How to Install Gateway Controller Assembly 3306
Remove and Install Communication Terminal 3311
How to Remove Communication Terminal 3311
How to Install Communication Terminal 3317
Remove and Install Communication Terminal Wiring Harness 3323
How to Remove Communication Terminal Wiring Harness 3324
How to Install Communication Terminal Wiring Harness 3336
Remove and Install Control Box 3349
How to Remove Control Box (For Old Control Box) 3349
How to Remove Control Box (For New Control Box) 3350
How to Install Control Box (For Old Control Box) 3350
How to Install Control Box (For New Control Box) 3351
Remove and Install GNSS Receiver 3353
How to Remove GNSS Receiver 3353
How to Install GNSS Receiver 3354
Remove and Install GNSS Antenna 3355
How to Remove GNSS Antenna 3355
How to Install GNSS Antenna 3356
Remove and Install IMU Sensor 3361
How to Remove IMU Sensor 3361
How to Install IMU Sensor 3363
60 Maintenance Standard 3367
Table of Contents 3368
Engine and Cooling System 3370
Maintenance Standard for Engine Mount 3370
Maintenance Standard for Damper 3372
Maintenance Standard for Cooling System 3374
Maintenance Standard for Cooling Fan Pump 3376
Maintenance Standard for Servo Valve 3378
Maintenance Standard for Cooling Fan Motor 3380
Power Train 3382
Maintenance Standard for Universal Joint 3382
Maintenance Standard for Power Train Mount 3383
Maintenance Standard for Torque Converter and PTO 3385
Maintenance Standard for Torque Converter Control Valve 3390
Maintenance Standard for Lockup Clutch ECMV 3391
Maintenance Standard for Stator Clutch ECMV 3392
Maintenance Standard for Transmission 3393
Maintenance Standard for Transmission ECMV 3398
Maintenance Standard for Main Relief Valve and Torque Converter Relief Valve 3399
Maintenance Standard for Transmission Lubrication Relief Valve 3400
Maintenance Standard for Bevel Gear Shaft, HSS, and Brake 3401
Maintenance Standard for Brake Control Valve 3407
Maintenance Standard for Brake ECMV 3409
Maintenance Standard for Brake Solenoid Valve 3410
Maintenance Standard for Sudden Stop Prevention Valve 3411
Maintenance Standard for Final Drive 3412
Maintenance Standard for Sprocket for Conventional Type Track Shoes 3415
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing for Conventional Type Track Shoes 3416
Maintenance Standard for Sprocket for PLUS Type Track Shoes 3418
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing for PLUS Type Track Shoes 3419
Undercarriage and Frame 3421
Maintenance Standard for Main Frame 3421
Maintenance Standard for Suspension 3423
Maintenance Standard for Track Frame and Idler Cushion 3425
Maintenance Standard for Idler 3427
Maintenance Standard for Track Roller for Conventional Type Track Shoes 3429
Maintenance Standard for Track Roller for PLUS Type Track Shoes 3431
Maintenance Standard for Carrier Roller for Conventional Type Track Shoes 3433
Maintenance Standard for Carrier Roller for PLUS Type Track Shoes 3434
Maintenance Standard for Conventional Type Track Shoes 3435
Maintenance Standard for PLUS Type Track Shoes 3437
Maintenance Standard for Single Shoes and Heavy Duty Shoes 3439
Hydraulic System 3440
Maintenance Standard for Hydraulic Tank 3440
Maintenance Standard for Scavenging Pump 3441
Maintenance Standard for Steering Lubrication Pump and Power Train Pump 3442
Maintenance Standard for Work Equipment and HSS Pump 3444
Maintenance Standard for PC-EPC Valve 3446
Maintenance Standard for HSS Motor 3447
Maintenance Standard for Control Valve 3450
Maintenance Standard for Self-Pressure Reducing Valve 3464
Maintenance Standard for Quick Drop Valve 3466
Work Equipment 3468
Maintenance Standard for Cylinder Stay 3468
Maintenance Standard for Front Work Equipment 3470
Maintenance Standard for Cutting Edge and End Bit 3472
Maintenance Standard for Stroke and Reset Sensing Blade Lift Cylinder 3473
Maintenance Standard for Blade Tilt Cylinder 3474
Maintenance Standard for Variable Multi-Shank Ripper 3475
Maintenance Standard for Variable Giant Ripper 3478
Maintenance Standard for Ripper Lift Cylinder 3481
Maintenance Standard for Ripper Tilt Cylinder 3482
CAB Related Parts 3483
Maintenance Standard for CAB Mount 3483
80 Appendix 3485
Table of Contents 3486
Precautions Before Work 3488
Air Conditioner System 3489
Precautions for Refrigerant 3489
Air Conditioner Component 3490
Specifications of Air Conditioner 3492
Structure and Function of Refrigeration Cycle 3493
Outline of Refrigeration Cycle 3494
Component Parts of Air Conditioner System 3496
Air Conditioner Unit 3496
Configuration Diagram of Air Conditioner Unit 3496
Function of Air Conditioner Unit 3498
Component Parts of Air Conditioner Unit 3500
Function of Evaporator as Air Conditioner Unit Component 3501
Function of Heater Core as Air Conditioner Unit Component 3501
Function of Evaporator Temperature Sensor as Air Conditioner Unit Component 3501
Function of Servo Motor as Air Conditioner Unit Component 3501
Structure of Expansion Valve as Air Conditioner Unit Component 3502
Function of Expansion Valve as Air Conditioner Unit Component 3502
Operate Expansion Valve as Air Conditioner Unit Component 3502
Function of Triple Pressure Switch 3503
Air Conditioner Controller 3504
Structure of Air Conditioner Controller 3504
Compressor 3505
Structure of Compressor 3505
Specifications of Compressor 3505
Function of Compressor 3505
Condenser 3506
Structure of Condenser 3506
Specifications of Condenser 3506
Function of Condenser 3506
Receiver Drier 3507
Structure of Receiver Dryer 3507
Specifications of Receiver Dryer 3507
Function of Receiver Dryer 3507
Air Conditioner Related Sensors 3508
Structure of Sunlight Sensor 3508
Function of Sunlight Sensor 3508
Structure of Outside Temperature Sensor 3508
Function of Outside Air Temperature Sensor 3508
Explanation of Procedure for Test of and Troubleshooting of Air Conditioner 3510
Circuit Diagram and Configuration of Connector Pins of Air Conditioner 3512
System Diagram of Air Conditioner 3514
Input and Output Signals of Air Conditioner Controller 3515
Function of Air Conditioner Controller 3516
Locations of Air Conditioner Parts and Layout of Connectors 3517
Examine Air Leakage (Duct) 3525
How to Examine Air Leakage (Duct) 3525
Examine Air Conditioner with Self-Diagnosis Function 3528
Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor 3529
Examine Vent (Mode) Changeover 3530
How to Examine Vent (Mode) Changeover 3530
Examine Fresh/Recirc Air Changeover 3531
How to Examine Fresh/Recirc Air Changeover 3531
Examine Sunlight Sensor 3532
How to Examine Sunlight Sensor 3532
Examine Refrigerant (Triple) Pressure Switch 3533
How to Examine Refrigerant (Triple) Pressure Switch 3533
Examine Relay 3534
How to Examine Relay 3534
Air Conditioner Troubleshooting Chart 1 3535
Air Conditioner Troubleshooting Chart 2 3536
Information Shown in Troubleshooting Table 3539
Failure Code [879AKA] 3540
Failure Code [879AKB] 3541
Failure Code [879BKA] 3542
Failure Code [879BKB] 3544
Failure Code [879CKA] 3546
Failure Code [879CKB] 3547
Failure Code [879DKZ] 3548
Failure Code [879EMC] 3550
Failure Code [879FMC] 3551
Failure Code [879GKX] 3552
A-1 Troubleshooting for Power Supply System (Air Conditioner Does Not Operate) 3554
A-2 Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled) 3555
A-3 Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal) 3556
A-4 Troubleshooting for Fresh/Recirc Air Changeover 3557
Troubleshooting by Gauge Pressure 3558
Connect Service Tool 3561
How to Connect Service Tool 3561
Precautions for Disconnection and Connection of Air Conditioner Piping 3563
Handle Compressor Oil 3565
90 Circuit Diagrams 3567
Table of Contents 3568
Hydraulic Circuit Diagram 3569
Symbols Used in Hydraulic Circuit Diagram 3569
Hydraulic Circuit Diagram (1/2) 3573
Hydraulic Circuit Diagram (2/2) 3575
Power Train Hydraulic Circuit Diagram 3577
Electrical Circuit Diagram 3579
Symbols Used in Electric Circuit Diagram 3579
Electrical Circuit Diagram(1/16) (Machine with KOMTRAX Terminal) 3583
Electrical Circuit Diagram(2/16) (Machine with KOMTRAX Terminal) 3585
Electrical Circuit Diagram(3/16) (Machine with KOMTRAX Terminal) 3587
Electrical Circuit Diagram(4/16) (Machine with KOMTRAX Terminal) 3589
Electrical Circuit Diagram(5/16) (Machine with KOMTRAX Terminal) 3591
Electrical Circuit Diagram(6/16) (Machine with KOMTRAX Terminal) 3593
Electrical Circuit Diagram(7/16) (Machine with KOMTRAX Terminal) 3595
Electrical Circuit Diagram(8/16) (Machine with KOMTRAX Terminal) 3597
Electrical Circuit Diagram(9/16) (Machine with KOMTRAX Terminal) 3599
Electrical Circuit Diagram(10/16) (Machine with KOMTRAX Terminal) 3601
Electrical Circuit Diagram(11/16) (Machine with KOMTRAX Terminal) 3603
Electrical Circuit Diagram(12/16) (Machine with KOMTRAX Terminal) 3605
Electrical Circuit Diagram(13/16) (Machine with KOMTRAX Terminal) 3607
Electrical Circuit Diagram(14/16) (Machine with KOMTRAX Terminal) 3609
Electrical Circuit Diagram(15/16) (Machine with KOMTRAX Terminal) 3611
Electrical Circuit Diagram(16/16) (Machine with KOMTRAX Terminal) 3613
Electrical Circuit Diagram(1/18) (Machine with Gateway Function Controller) 3615
Electrical Circuit Diagram(2/18) (Machine with Gateway Function Controller) 3617
Electrical Circuit Diagram(3/18) (Machine with Gateway Function Controller) 3619
Electrical Circuit Diagram(4/18) (Machine with Gateway Function Controller) 3621
Electrical Circuit Diagram(5/18) (Machine with Gateway Function Controller) 3623
Electrical Circuit Diagram(6/18) (Machine with Gateway Function Controller) 3625
Electrical Circuit Diagram(7/18) (Machine with Gateway Function Controller) 3627
Electrical Circuit Diagram(8/18) (Machine with Gateway Function Controller) 3629
Electrical Circuit Diagram(9/18) (Machine with Gateway Function Controller) 3631
Electrical Circuit Diagram(10/18) (Machine with Gateway Function Controller) 3633
Electrical Circuit Diagram(11/18) (Machine with Gateway Function Controller) 3635
Electrical Circuit Diagram(12/18) (Machine with Gateway Function Controller) 3637
Electrical Circuit Diagram(13/18) (Machine with Gateway Function Controller) 3639
Electrical Circuit Diagram(14/18) (Machine with Gateway Function Controller) 3641
Electrical Circuit Diagram(15/18) (Machine with Gateway Function Controller) 3643
Electrical Circuit Diagram(16/18) (Machine with Gateway Function Controller) 3645
Electrical Circuit Diagram(17/18) (Machine with Gateway Function Controller) 3647
Electrical Circuit Diagram(18/18) (Machine with Gateway Function Controller) 3649
Index 3651

DESCRIPTION:

Komatsu D155AXi-8E0 Bulldozer Shop Manual SEN06763-02 – PDF DOWNLOAD 

SERIAL NUMBERS 100358 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 30/12/24