Komatsu WHEEL LOADER WA900-8R Shop Manual SEN06750-13 – PDF DOWNLOAD

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Komatsu WHEEL LOADER WA900-8R Shop Manual SEN06750-13 – PDF DOWNLOAD

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Komatsu WHEEL LOADER WA900-8R Shop Manual SEN06750-13 – PDF DOWNLOAD

Language : English
Pages :5304
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu WHEEL LOADER WA900-8R Shop Manual SEN06750-13 – PDF DOWNLOAD

SERIAL NUMBERS 95001 and up

Foreword, Safety, Basic Information
How to Read the Shop Manual
• Some of the attachments and options described in this shop manual may not be available in some areas. If
they are required, consult your Komatsu distributor.
• The materials and specifications are subject to change without notice.
• Shop Manuals are available for “machine part” and “engine part”. For the engine unit, see the shop manual
for the machine which has the same engine model.
• Actual machine may differ from the images which are contained in this manual. A typical model is shown in
the illustrations of this shop manual.
• 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.
REMARK
The illustrations in the shop manual reproduce the display of the machine monitor. They are not always the
same as the terminology in 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.
00 Index and Foreword How to Read the Shop Manual
50 Disassembly and Assembly
This section describes the special tools, work procedures, and safety precautions necessary for removal, installation,
disassembly, and assembly of the components and parts. In addition, tightening torques, quantity, and
weight of the coating materials, lubricants, and coolant necessary to these works are shown.
60 Maintenance Standard
This section describes the maintenance standard value of each component. The maintenance standard shows
the criteria and remedies for disassembly and assembly.
80 Others
This section describes the structure and function, testing and adjusting, and troubleshooting for all of the other
components or equipment which cannot be separately classified in the appendix.
90 Circuit Diagrams
This section describes hydraulic circuit diagrams and electrical circuit diagrams.

TABLE OF CONTENTS:

Komatsu WHEEL LOADER WA900-8R Shop Manual SEN06750-13 – PDF DOWNLOAD

SERIAL NUMBERS 95001 and up

Cover 1
00 Index and Foreword 3
Index 4
Foreword, Safety, Basic Information 23
How to Read the Shop Manual 23
Safety Notice for Operation 25
Precautions to Prevent Fire 33
Procedures If Fire Occurs 35
Precautions When You Dispose of Waste Materials 36
Precautions When You Handle Hydraulic Equipment 37
Precautions When You Disconnect and Connect Pipings 40
Precautions When You Handle Electrical Equipment 47
Precautions When You Handle Fuel System Equipment 49
Precautions When You Handle Intake System Equipment 50
Practical Use of KOMTRAX 51
Disconnect and Connect Push-Pull Type Coupler 52
How to Disconnect and Connect Type 1 Push-Pull Type Coupler 52
How to Disconnect and Connect Type 2 Push-Pull Type Coupler 53
How to Disconnect and Connect Type 3 Push-Pull Type Coupler 54
Precautions for Disconnection and Connection of Connectors 56
How to Disconnect and Connect Deutsch Connector 60
How to Disconnect and Connect Slide Lock Type Connector 61
How to Disconnect and Connect Connector with Lock to Pull 63
How to Disconnect and Connect Connector with Lock to Push 64
How to Disconnect and Connect Connector with Housing to Rotate 66
Standard Tightening Torque Table 67
Conversion Table 74
Abbreviation List 79
01 Specifications 83
Table of Contents 84
Specifications 85
Specification Drawing 85
Specification Drawing WA900-8R 85
Specifications 87
Specifications WA900-8R 87
Weight Table 92
Weight Table WA900-8R 92
Fuel, Coolant, Lubricant 94
How to Use Fuel, Coolant and Lubricants by Ambient Temperature 94
10 Structure and Function 97
Table of Contents 98
Boot-up System 103
Layout Drawing of Boot-up System 103
Pre-lubrication System 105
Pre-lubrication System Diagram 105
Function of Pre-lubrication System 105
Operation of Pre-lubrication System 107
System Operating Lamp System 109
System Diagram of System Operating Lamp System 109
Function of Operation Lamp System 109
Operation of System Operating Lamp System 109
Battery Disconnect Switch 110
Function of Battery Disconnect Switch 110
Operation of Battery Disconnect Switch 110
Starting Motor Disconnect Switch 111
Function of Starting Motor Disconnect Switch 111
Preheating System 112
System Diagram of Preheating System 112
Function of Automatic Preheating System 112
Operation of Automatic Preheating System 113
Function of Manual Preheating System 113
Operation of Manual Preheating System 113
Engine Shutdown Secondary Switch 114
Function of Engine Shutdown Secondary Switch 114
Operation of Engine Shutdown Secondary Switch 114
Emergency Engine Stop Switch 115
Function of Emergency Engine Stop Switch 115
Operation of Emergency Engine Stop Switch 115
External Power Supply Engine Preheater 116
Function of External Power Supply Engine Preheater 116
Engine System 117
Layout Drawing of Engine System 117
Engine Control System 119
System Diagram of Engine Control 119
Operation of Engine Control System 120
Engine Output Torque Control Function 121
Engine Automatic Warm-up Function 121
Engine Power Mode Selector System 122
Engine Power Mode Selector System Diagram 122
Function of Engine Power Mode Selector System 122
Operation of Engine Power Mode Selector System 122
RPM Set 123
Function of RPM Set 123
Component Parts of Engine System 125
Damper 125
Turbocharger 127
Muffler 130
Cooling System 131
Layout Drawing of Cooling System 131
Specifications of Cooling System 133
Cooling Fan Control System 134
System Diagram of Cooling Fan Control System 134
Function of Cooling Fan Control System 135
Component Parts of Cooling System 138
Cooling Fan Pump 138
Cooling Pump 146
Cooling Fan Motor 147
Control System 153
Layout Drawing of Control System 153
Machine Monitor System 155
System Diagram of Machine Monitor System 155
Function of Machine Monitor System 156
Rearview Monitor System 157
System Diagram of Rearview Monitor System 157
Function of Rearview Monitor System 157
KOMTRAX Plus System 158
System Diagram of KOMTRAX Plus System 158
Function of KOMTRAX Plus System 158
Load Meter System 160
System Diagram of Load Meter 160
Function of Load Meter System 160
Machine Lock-out System 166
Layout Drawing of Machine Lock-out System 166
Function of Machine Lock-out System 166
Operation of Machine Lock-out System 166
Component Parts of Control System 168
Machine Monitor 168
Switch Panel 185
Rearview Monitor 186
Rearview Camera 188
KOMTRAX Terminal 189
KOMTRAX Plus Controller 191
Wireless LAN Unit 196
Transmission Controller 197
Work Equipment Controller 201
Monitor Controller 205
CAN Terminating Resistor 210
Engine Controller 211
Accelerator Pedal 223
Fuel Feed Pump 226
Fuel Feed Pump Switch 227
Hydraulic System 228
Layout Drawing of Hydraulic System 228
CLSS 229
Structure of CLSS 229
Function of CLSS 230
Work Equipment Pump Control System 232
Swash Plate Control Function of Work Equipment Pump 232
Pickup Assistance Control Function of Work Equipment Pump When Engine Speed is Low 232
Steering Pump Control System 234
Swash Plate Control Function of Steering Pump 234
Pickup Assistance Control Function of Steering Pump When Engine Speed is Low 234
Component Parts of Hydraulic System 235
Hydraulic Tank 235
Work Equipment Pump 239
Steering Pump 258
Pilot Brake Charge Pump 274
Pump Assembly (to Lubricate Transmission and Torque Converter) 275
Accumulator Charge Valve 276
Control Valve 281
Power Train System 316
Layout Drawing of Power Train System 316
Operation of Power Train System 319
Transmission Control System 320
Transmission Control System Diagram 320
Transmission Gear Shift Control System 322
Electric Modulation Function System Diagram 322
Electric Modulation Function 323
Gear Shift Display Function 323
Automatic Gear Shift Function 323
Shift Hold Function 324
Kickdown Function 324
Automatic Kickdown Function 325
Hunting Prevention Function 325
Transmission Initial Learning and ECMV Current Adjustment Function 325
Shift Point Changing Function 325
3rd Gear Speed Limitation Function 326
Transmission Protection Function 327
Protection Function When Travel Direction is Changed 327
Shift Down Protection Function 327
Engine Overrun Prevention Function 328
Neutralizer Function 328
Modulation Clutch Control Function 328
Tire Slip Control System 331
Tire Slip Control System Diagram 331
Function of Tire Slip Control System 331
Operation of Tire Slip Control System 331
Component Parts of Power Train System 333
Drive Shaft 333
Center Support 335
Torque Flow Assembly 336
Torque Converter 337
Valve Assembly (For Main Relief and Torque Converter Relief) 345
Torque Converter Regulator Valve 348
Transmission 350
Transmission Control Valve 368
Modulation Clutch ECMV 371
F, R, 1st, 2nd, 3rd Clutch ECMV 374
Transmission Lubrication Relief Valve 379
Axle 380
Differential 383
Final Drive 386
AJSS Knob 388
Shift Hold Switch 389
Kickdown Switch 390
Work Equipment System 391
Layout Drawing of Work Equipment System 391
Work Equipment System Diagram 393
Work Equipment Control System 395
Work Equipment Speed Pattern Control Function by Work Equipment Lever Stroke 395
Work Equipment Lever Detent Position and Work Equipment Startup Current Control Function 396
Work Equipment Lever Operating Function System Diagram 397
Work Equipment Lever Operation Function 397
Bucket Priority Control Function 398
Boom Stop Modulation Function 398
Work Equipment Shock Reduction Function 399
Tilt Shock Reduction Function 399
Dump Shock Reduction Function 400
Work Equipment Neutral Lock System 402
Work Equipment Neutral Lock System Diagram 402
Function of Work Equipment Neutral Lock System 402
Remote Positioner System 404
Remote Bucket Positioner System Diagram 404
Function of Remote Bucket Positioner System 404
Remote Boom Positioner System Diagram 405
Function of Remote Boom Positioner System 405
Bucket Positioner and Boom Positioner 409
Structure of Bucket Positioner and Boom Positioner 409
Auto-Digging System 410
Auto-Digging System Diagram 410
Function of Auto-Digging System 410
Semi-Auto Approach System 412
Semi-Auto Approach System Diagram 412
Function of Semi-Auto Approach System 412
Semi-Auto Dump System 413
Semi-Auto Dump System Diagram 413
Function of Semi-Auto Dump System 413
ECSS 415
ECSS Diagram 415
Function of ECSS 415
Operation of ECSS 415
Wall Digging Prevention Control System 417
Wall Digging Prevention Control System Diagram 417
Function of Wall Digging Prevention Control System 417
Component Parts of Work Equipment System 419
Solenoid Valve (Work Equipment Lock) 419
Pilot Circuit Accumulator 420
ECSS Circuit Accumulator 421
Work Equipment Electric Lever 422
Steering System 425
Layout Drawing of Steering System 425
Secondary Steering System 426
Secondary Steering System Diagram 426
Function of Secondary Steering System 426
AJSS 427
Layout Drawing of AJSS 427
AJSS System Diagram 428
Function of AJSS 429
Neutralizer Function of AJSS 430
AJSS Neutral Interlock Function 430
AJSS Speed Sensing Steering Function 431
AJSS Turn Signal Pilot Lamp Control Function 433
Steering Lock System 434
Steering Lock System Diagram 434
Function of Steering Lock System 434
Component Parts of Steering System 435
AJSS EPC Valve 435
Solenoid Valve (For Steering Lock) 436
Steering Lock Valve 437
Rotary Valve 438
Steering Valve 442
Diverter Valve 456
Secondary Steering Relief Valve 459
Secondary Steering Pump 461
Lubrication for Hinge Pin and Steering 462
Brake System 463
Layout Drawing of Brake System 463
Parking Brake Control System 466
System Diagram of Parking Brake Control System 466
Operation of Parking Brake Control System 466
Component Parts of Brake System 468
Solenoid Valve (Parking Brake) 468
Parking Brake Emergency Release Valve 470
Brake Circuit Accumulator 471
Brake Valve 472
Slack Adjuster 478
Brake 481
Parking Brake 483
Parking Brake Circuit Check Valve 486
Pump Assembly (For Brake Cooling) 487
Auto-Greasing System 488
Layout Drawing of Auto-Greasing System 488
Auto-Greasing System Diagram 491
Specifications of Auto-Greasing System 492
Function of Auto-Greasing System 493
Auto-Greasing System 494
Auto-Greasing Pump 494
Auto-Greasing Injector 496
Lifting System 499
Power Ladder System 499
Layout Drawing of Power Ladder System 499
Power Ladder System Diagram 500
Function of Power Ladder System 501
Operation of Power Ladder System 501
Power Ladder System 503
Power Ladder Pump 503
Power Ladder Relief Valve 505
Solenoid Valve (Power Ladder Shock Reduction) 506
Solenoid Valve (Power Ladder Raise and Lower Switch) 507
Undercarriage and Frame 508
Frame, Axle Mount and Hinge Pin 508
Structure of Frame, Axle Mount and Hinge Pin 508
Function of Frame, Axle Mount and Hinge Pin 510
Structure of Lubrication System for Undercarriage 511
Service Center 512
Service Center 512
Service Center System Diagram 513
Function of Service Center 513
Grease Refill Automatic Stop System 514
Tires 516
Structure of Radial Tire 516
Function of Radial Tire 516
Work Equipment 517
Structure of Work Equipment 517
Structure of Bucket 518
Structure of Lubrication System for Work Equipment 519
CAB Related Parts 521
ROPS 521
Structure of ROPS 521
Function of ROPS 521
CAB 522
Structure of CAB 522
CAB Mount 523
Structure of CAB Mount 523
Function of CAB Mount 523
20 Standard Value Table 525
Table of Contents 526
Standard Value Table for Engine 527
Standard Value Table for Engine: WA900-8R 527
Standard Value Table for Machine 531
Standard Value Table for Machine: WA900-8R 531
Machine Posture and Procedures to Measure Performance 546
30 Testing and Adjusting 549
Table of Contents 550
Precautions Before Work 554
Related Information on Testing and Adjusting 555
Tools for Testing and Adjusting 555
Sketch of Tools for Testing and Adjusting 564
Engine and Cooling System 565
Examine Engine Speed 565
How to Examine Engine Speed 565
Examine Boost Pressure 569
How to Examine Boost Pressure on Machine Monitor 569
How to Examine Boost Pressure by Testing Tool 570
Examine Exhaust Gas Temperature 573
How to Examine Exhaust Gas Temperature 573
Examine Exhaust Gas Color 575
How to Examine Exhaust Gas Color with the Handy Smoke Checker 575
How to Examine Exhaust Gas Color with Smoke Meter 577
Examine and Adjust Valve Clearance 580
How to Examine Valve Clearance 580
How to Adjust Valve Clearance 582
Examine Compression Pressure 583
How to Examine Compression Pressure 583
Examine Blowby Pressure 587
How to Examine Blowby Pressure 587
Examine Engine Oil Pressure 592
How to Examine Engine Oil Pressure on Machine Monitor 592
How to Examine Engine Oil Pressure by Testing Tool 593
Examine Fuel Pressure 595
How to Examine Fuel Pressure 595
Examine Fuel Return Rate and Leakage 597
How to Examine Fuel Return Rate and Leakage 598
Bleed Air from Fuel System 605
How to Bleed Air from Fuel System 605
Examine Fuel Circuit for Leakage 607
How to Examine Fuel System for Leakage 607
Examine Low Pressure Circuit Devices 608
How to Examine Low Pressure Circuit Devices 608
Handle Cylinder Cut-out Mode Operation 613
Handle No-Injection Cranking Operation 614
Examine Muffler and Muffler Stack for Looseness and Damage 615
How to Examine Muffler and Muffler Stack for Looseness and Damage 615
Examine Installation of Cylinder Head Cover and Manifolds 616
How to Examine Installed Condition of Cylinder Head covers and Manifolds 616
Examine Engine Piping for Damage and Looseness 617
How to Examine Engine Piping for Damage and Looseness 617
Write Injector Compensation Value to Engine Controller 618
How to Write Injector Compensation Value 618
Examine and Adjust Alternator Belt 625
How to Examine Alternator Belt 625
How to Adjust Alternator Belt Tension 626
Examine and Adjust Air Conditioner Compressor Belt 627
How to Examine Air Conditioner Compressor Belt 627
How to Adjust Air Conditioner Compressor Belt Tension 628
Bleed Air from Engine Coolant Circuit 629
How to Bleed Air from Engine Coolant Circuit 629
Power Train 631
Examine and Adjust Power Train Oil Pressure 631
How to Examine Power Train Oil Pressure 633
How to Adjust Power Train Oil Pressure 648
Examine Modulation Clutch Output Speed Sensor 650
How to Examine Modulation Clutch Output Speed Sensor 650
Examine Transmission Output Speed Sensor 651
How to Examine Transmission Output Speed Sensor 651
Adjust Wheel Speed Sensor 653
How to Adjust Wheel Speed Sensor 653
Flush Torque Converter and Transmission Hydraulic Circuit 654
How to Flush Torque Converter and Transmission Hydraulic Circuit 654
Move Disabled Machine Due to Transmission Valve Failure 657
How to Move Disabled Machine Due to Transmission Valve Failure 657
Examine Drive Shaft for Looseness, Backlash, and Damage 660
How to Examine Drive Shaft for Looseness, Backlash, and Damage 660
Steering System 661
Examine and Adjust Steering Circuit Oil Pressure 661
How to Examine Steering Circuit Oil Pressure 661
How to Adjust Steering Circuit Oil Pressure 664
Brake System 666
Release Remained Pressure in Brake Accumulator Circuit 666
How to Release Remained Pressure in Brake Accumulator Circuit 666
Examine Wheel Brake Oil Pressure 667
How to Examine Wheel Brake Oil Pressure 667
Examine and Adjust Brake Accumulator Charge Pressure 669
How to Examine Brake Accumulator Charge Pressure 669
How to Adjust Brake Accumulator Charge Pressure 671
Examine Nitrogen Gas Pressure in Brake Accumulator and Charge Gas 673
How to Examine Accumulator Nitrogen Gas Pressure for Brake 673
How to Charge Accumulator Nitrogen Gas for Brake 677
How to Release Nitrogen Gas When You Discard Accumulator 682
Examine Brake Performance 683
How to Examine Brake Performance 683
Examine Brake Pedal 684
How to Examine Brake Pedal 684
Adjust Right Brake Pedal Switch 686
How to Adjust Right Brake Pedal Switch 686
Bleed Air from Brake Circuit 688
How to Bleed Air from Brake Circuit 688
Examine Wear of Wheel Brake Disc 690
How to Examine Wear of Wheel Brake Disc 690
Examine Parking Brake Oil Pressure 692
How to Examine Parking Brake Oil Pressure 692
Examine Parking Brake Performance 694
How to Examine Parking Brake Performance 694
Release Parking Brake Manually 695
How to Release Parking Brake Manually 695
Examine Wear Volume of Parking Brake Disc 697
How to Examine Wear Quantity of Parking Brake Disc 697
Hydraulic System 699
Release Remained Pressure from Work Equipment Circuit 699
How to Release Remained Pressure from Work Equipment Circuit 699
Examine and Adjust Work Equipment Oil Pressure 701
How to Examine Work Equipment Oil Pressure 701
How to Adjust Work Equipment Oil Pressure 706
Examine and Adjust Work Equipment EPC Oil Pressure 708
How to Examine Work Equipment EPC Oil Pressure 708
How to Adjust Work Equipment EPC Oil Pressure 710
Bleed Air from Hydraulic System 711
How to Bleed Air from Hydraulic System 711
Examine Cooling Fan Speed 717
How to Examine Cooling Fan Speed 717
Examine Cooling Fan Circuit Oil Pressure 718
How to Examine Cooling Fan Circuit Oil Pressure 718
How to Examine Cooling Fan Reverse Solenoid Outlet Pressure 719
Bleed Air from Cooling Fan Circuit 722
How to Bleed Air from Cooling Pump 722
How to Bleed Air from Fan Motor Circuit 723
Examine ECSS Accumulator Charge Pressure 724
How to Examine ECSS Accumulator Charge Pressure 724
Examine ECSS Accumulator Nitrogen Gas Pressure and Charge Accumulator with Nitrogen Gas 726
How to Examine ECSS Accumulator Nitrogen Gas Pressure 726
How to Charge ECSS Accumulator with Nitrogen Gas 729
Work Equipment 734
Examine and Adjust Bucket Potentiometer Lever 734
How to Examine Bucket Potentiometer Lever 734
How to Adjust Bucket Potentiometer Lever 734
Examine and Adjust Boom Potentiometer Lever 736
How to Examine Boom Potentiometer Lever 736
How to Adjust Boom Potentiometer Lever 736
Examine Hydraulic Drift of Work Equipment 737
How to Examine Hydraulic Drift of Work Equipment 737
Examine Work Equipment Speed 739
How to Examine Work Equipment Speed 739
Device to Get on or Off Machine 740
Adjust Deceleration of Power Ladder 740
How to Adjust Deceleration of Power Ladder 741
CAB Related Parts 743
Examine Work Equipment Control Lever 743
How to Examine Work Equipment Control Lever 743
Examine AJSS Lever 745
How to Examine Operating Time of AJSS Lever 745
How to Examine Operating Force of AJSS Lever 746
How to Examine Operating Force of Directional Switch 747
How to Examine Operating Force of Gear Speed Switch 747
Examine and Adjust AJSS Lever Angle Sensor and AJSS Frame Angle Sensor 748
How to Examine AJSS Lever Angle Sensor and AJSS Frame Angle Sensor 748
How to Adjust AJSS Lever Angle Sensor and AJSS Frame Angle Sensor 748
Examine and Adjust Steering Stopper Bolt 750
How to Examine Steering Stopper Bolt 750
How to Adjust Steering Stopper Bolt 750
Adjust Play of Operator Seat 751
How to Adjust Play of Operator Seat 751
Adjust Door Lock Link 752
How to Adjust Door Lock Link 752
Electrical System 755
Set and Adjust Each Equipment 755
Set and Operate Machine Monitor 759
Operator Mode 763
Function to Show Technician Identification Status Screen 763
Function to Show Operator Identification Input Screen 763
Examine Function by LCD (Liquid Crystal Display) 764
Examine Function of Service Meter and Odometer 765
How to Set Usage Limitation and Change Maintenance Password 765
Service Mode 769
How to Operate Service Mode 769
How to See Pre-defined Monitoring Information 772
How to Examine Monitoring Information 776
Abnormality Record Menu 789
How to See Maintenance Record 793
Maintenance Mode Setting 795
How to Set Phone Number Entry 801
Default Setting Menu 802
Testing Menu 820
Adjustment Menu 823
No-Injection Cranking Operation 863
KOMTRAX Settings Menu 865
How to Show Service Message 867
How to Operate Snap Shot 868
How to Start Up KOMTRAX Terminal 871
How to Stop Use of KOMTRAX Terminal 875
Default Setting of KOMTRAX Plus Controller 877
Default Setting of KOMTRAX Plus Controller 877
Default Setting of Wireless LAN Modem 880
Default Setting of Wireless LAN Modem 880
How to Examine Wireless LAN Modem Communication 881
Download Data from KOMTRAX Plus Controller 883
How to Download Data from KOMTRAX Plus Controller 883
How to Download Data from Service Connector 883
How to Download Data from Wireless LAN 884
Adjust After Replacement of KOMTRAX Plus Controller 886
How to Adjust After Replacement of KOMTRAX Plus Controller 886
Adjust After Replacement of Wireless LAN Modem 889
How to Adjust After Replacement of Wireless LAN Modem 889
Adjust Rearview Camera Angle 892
How to Adjust Rearview Camera Angle 892
Set Region of Bluetooth(R) Compatible Radio 893
How to Set Region of Bluetooth(R) Compatible Radio 893
Handle Voltage Circuit of Engine Controller 895
Handle Battery Disconnect Switch 896
Examine Diodes 897
How to Examine Diodes by Digital Tester 897
How to Examine Diodes by Analog Tester 897
Pm Clinic 898
Pm Clinic Service 898
Pm Clinic Check Sheet: WA900-8R 901
Perform Quick Pm 913
How to Perform Quick Pm 913
40 Troubleshooting 917
Table of Contents 918
Precautions Before Work 930
Related Information for Troubleshooting 931
General Troubleshooting Points 931
Sequence of Events in Troubleshooting 932
Checks Before Troubleshooting 934
Inspection Procedure Before Troubleshooting 936
Walk-Around Check 936
Test in Accordance with Testing Procedure 938
Examine Fuel Level and Type 938
Examine for Impure Ingredient in Fuel 938
Replace Fuel Prefilter Cartridge 939
Replace Fuel Main Filter Cartridge 940
Examine Engine Oil Level (Oil Quantity in Oil Pan) and Type 942
Examine Coolant Level (Reservoir Tank) 943
Examine, Clean and Replace Air Cleaner 944
Examine Hydraulic Oil Level 949
Examine Hydraulic Oil Filter or Hydraulic Oil Strainer 950
Examine Oil Level in Transmission Case 951
Examine Oil Level in Axle Case 953
Bleed Air from Fuel System 955
Bleed Air from Hydraulic System 955
How to Examine Electric Equipment 955
Preparation for Troubleshooting of Electrical System 962
How to Connect Adapter for Troubleshooting Work Equipment Controller 962
How to Connect Adapter for Troubleshooting Engine Controller 963
How to Connect Adapter to Troubleshoot Transmission Controller 964
How to Connect Adapter to Troubleshoot Monitor Controller 965
How to Connect Adapter to Troubleshoot KOMTRAX Terminal 968
How to Connect Adapter to Troubleshoot KOMTRAX Plus Controller 968
How to Connect Adapter to Troubleshoot KomVision Controller 969
How to Connect Connectors for Engine Related Parts 969
How to Disconnect KomVision Radar Connector 973
Procedure for Troubleshooting 974
Symptom and Troubleshooting Numbers 977
Information Shown in Troubleshooting 989
Connectors List 992
Connector Layout1016
Connector Contact Connection Table1032
T-Branch Box and T-Branch Adapter Table1079
Fuse Location Table1085
Prepare Troubleshoot Machine Monitor1089
Procedure to Make Harness Checker on Machine Monitor LCD Unit1091
Failure Code Table1096
Troubleshooting by Failure Code (Display of Code)1118
Failure Code [1500L0]1118
Failure Code [15B0NX]1120
Failure Code [15SAL1]1123
Failure Code [15SALH]1126
Failure Code [15SBL1]1129
Failure Code [15SBLH]1132
Failure Code [15SEL1]1135
Failure Code [15SELH]1138
Failure Code [15SFL1]1141
Failure Code [15SFLH]1144
Failure Code [15SGL1]1147
Failure Code [15SGLH]1150
Failure Code [15W0NT]1153
Failure Code [2F00MA]1155
Failure Code [2F00MB]1161
Failure Code [2G42ZG]1166
Failure Code [2G43ZG]1169
Failure Code [879AKA]1172
Failure Code [879AKB]1173
Failure Code [879BKA]1174
Failure Code [879BKB]1177
Failure Code [879CKA]1180
Failure Code [879CKB]1181
Failure Code [879DKZ]1182
Failure Code [879EMC]1186
Failure Code [879FMC]1187
Failure Code [879GKX]1188
Failure Code [989A00]1191
Failure Code [989L00]1192
Failure Code [989M00]1193
Failure Code [989N00]1194
Failure Code [AA10NX]1195
Failure Code [AB00KE]1198
Failure Code [AB00KY]1201
Failure Code [B@BAZG]1203
Failure Code [B@BAZK]1206
Failure Code [B@BCNS]1209
Failure Code [B@BCZK]1212
Failure Code [B@C6NS]1215
Failure Code [B@C7NS]1218
Failure Code [B@CENS]1221
Failure Code [B@GAZK]1224
Failure Code [B@HANS]1227
Failure Code [CA115]1230
Failure Code [CA122]1235
Failure Code [CA123]1238
Failure Code [CA131]1242
Failure Code [CA132]1245
Failure Code [CA135]1248
Failure Code [CA141]1251
Failure Code [CA144]1254
Failure Code [CA145]1257
Failure Code [CA153]1260
Failure Code [CA154]1264
Failure Code [CA212]1268
Failure Code [CA213]1271
Failure Code [CA221]1274
Failure Code [CA222]1277
Failure Code [CA234]1281
Failure Code [CA238]1283
Failure Code [CA239]1286
Failure Code [CA271]1289
Failure Code [CA272]1292
Failure Code [CA273]1294
Failure Code [CA274]1297
Failure Code [CA322]1299
Failure Code [CA323]1302
Failure Code [CA324]1305
Failure Code [CA325]1308
Failure Code [CA331]1311
Failure Code [CA332]1314
Failure Code [CA343]1317
Failure Code [CA351]1325
Failure Code [CA352]1333
Failure Code [CA386]1337
Failure Code [CA431]1341
Failure Code [CA432]1345
Failure Code [CA441]1350
Failure Code [CA442]1354
Failure Code [CA449]1358
Failure Code [CA451]1361
Failure Code [CA452]1364
Failure Code [CA515]1367
Failure Code [CA516]1369
Failure Code [CA553]1372
Failure Code [CA559]1375
Failure Code [CA689]1381
Failure Code [CA697]1386
Failure Code [CA698]1388
Failure Code [CA731]1390
Failure Code [CA778]1398
Failure Code [CA1117]1403
Failure Code [CA1135]1408
Failure Code [CA1257]1419
Failure Code [CA1695]1421
Failure Code [CA1696]1423
Failure Code [CA1843]1426
Failure Code [CA1844]1429
Failure Code [CA1942]1432
Failure Code [CA2185]1434
Failure Code [CA2186]1437
Failure Code [CA2249]1440
Failure Code [CA2555]1447
Failure Code [CA2556]1450
Failure Code [CA2765]1453
Failure Code [CA4952]1455
Failure Code [CB115]1458
Failure Code [CB122]1463
Failure Code [CB123]1466
Failure Code [CB153]1470
Failure Code [CB154]1474
Failure Code [CB238]1478
Failure Code [CB239]1481
Failure Code [CB271]1484
Failure Code [CB272]1487
Failure Code [CB273]1489
Failure Code [CB274]1492
Failure Code [CB343]1494
Failure Code [CB351]1501
Failure Code [CB352]1509
Failure Code [CB386]1512
Failure Code [CB441]1515
Failure Code [CB442]1519
Failure Code [CB449]1523
Failure Code [CB451]1526
Failure Code [CB452]1529
Failure Code [CB515]1532
Failure Code [CB516]1534
Failure Code [CB553]1537
Failure Code [CB559]1540
Failure Code [CB689]1546
Failure Code [CB697]1551
Failure Code [CB698]1553
Failure Code [CB731]1555
Failure Code [CB778]1564
Failure Code [CB1117]1569
Failure Code [CB1257]1574
Failure Code [CB1548]1576
Failure Code [CB1549]1579
Failure Code [CB1551]1582
Failure Code [CB1552]1585
Failure Code [CB1553]1588
Failure Code [CB1622]1591
Failure Code [CB2249]1594
Failure Code [CB2765]1600
Failure Code [CB4952]1602
Failure Code [D110L4]1605
Failure Code [D162KA]1608
Failure Code [D162KB]1609
Failure Code [D162KY]1610
Failure Code [D180KA]1611
Failure Code [D180KB]1614
Failure Code [D180KY]1617
Failure Code [D191KA]1619
Failure Code [D191KB]1622
Failure Code [D191KY]1625
Failure Code [D192KA]1627
Failure Code [D192KB]1630
Failure Code [D192KY]1633
Failure Code [D19JKZ]1635
Failure Code [D19LKA]1640
Failure Code [D19LKB]1643
Failure Code [D19LKY]1646
Failure Code [D1E6KA]1648
Failure Code [D1E6KB]1651
Failure Code [D1E6KY]1654
Failure Code [D1EFKA]1656
Failure Code [D1EFKB]1659
Failure Code [D1EFKY]1662
Failure Code [D1J0KB]1665
Failure Code [D5ZHKA]1668
Failure Code [D5ZHKB]1671
Failure Code [D5ZHKZ]1674
Failure Code [D5ZHL6]1678
Failure Code [D862KA]1681
Failure Code [DA80KY]1684
Failure Code [DA80L4]1687
Failure Code [DAF0KT]1691
Failure Code [DAF0MB]1692
Failure Code [DAF0MC]1693
Failure Code [DAF3KK]1694
Failure Code [DAF8KB]1698
Failure Code [DAFDKB]1701
Failure Code [DAFGMC]1704
Failure Code [DAFLKA]1705
Failure Code [DAFLKB]1708
Failure Code [DAFQKR]1711
Failure Code [DAQ0KK]1722
Failure Code [DAQ0KT]1727
Failure Code [DAQ0MC]1728
Failure Code [DAQ1KA]1729
Failure Code [DAQ2KK]1732
Failure Code [DAQ4KB]1736
Failure Code [DAQ9KQ]1739
Failure Code [DAQLKA]1741
Failure Code [DAQLKB]1744
Failure Code [DAQQKR]1747
Failure Code [DAQRKR]1762
Failure Code [DAQRMA]1776
Failure Code [DAZ9KQ]1777
Failure Code [DAZQKR]1779
Failure Code [DB2QKR]1790
Failure Code [DB2RKR]1808
Failure Code [DB90KK]1826
Failure Code [DB90KT]1831
Failure Code [DB90MC]1832
Failure Code [DB91KA]1833
Failure Code [DB92KK]1836
Failure Code [DB95KX]1841
Failure Code [DB96KX]1844
Failure Code [DB97KX]1849
Failure Code [DB99KQ]1852
Failure Code [DB9LKA]1854
Failure Code [DB9LKB]1857
Failure Code [DB9QKR]1860
Failure Code [DB9RKR]1876
Failure Code [DB9RMA]1892
Failure Code [DBE5KX]1894
Failure Code [DBE6KX]1897
Failure Code [DBE7KX]1900
Failure Code [DBP0KM]1904
Failure Code [DBP0KT]1906
Failure Code [DBP0NR]1907
Failure Code [DBP0MC]1908
Failure Code [DBP5KP]1909
Failure Code [DBPLKA]1913
Failure Code [DBPLKB]1917
Failure Code [DBPQKR]1920
Failure Code [DBPRKR]1934
Failure Code [DBPRMA]1947
Failure Code [DBPUKR]1948
Failure Code [DBPVKR]1958
Failure Code [DBPWKR]1966
Failure Code [DBPXKR]1968
Failure Code [DBV0MC]1970
Failure Code [DBV1KK]1971
Failure Code [DBV5KX]1976
Failure Code [DBV6KX]1980
Failure Code [DBV7KX]1984
Failure Code [DBV8KX]1985
Failure Code [DBVLKA]1986
Failure Code [DBVLKB]1990
Failure Code [DBVQK4]1993
Failure Code [DBVQKR]2007
Failure Code [DBVRKR]2021
Failure Code [DBVVKR]2035
Failure Code [DBVWKR]2036
Failure Code [DD1ALD]2038
Failure Code [DDA8KB]2041
Failure Code [DDA9KB]2044
Failure Code [DDAAL6]2047
Failure Code [DDACKA]2051
Failure Code [DDACKY]2056
Failure Code [DDADKA]2060
Failure Code [DDADKY]2064
Failure Code [DDB6L4]2066
Failure Code [DDD1LD]2070
Failure Code [DDDBKA]2073
Failure Code [DDDBKY]2077
Failure Code [DDE2KB]2080
Failure Code [DDE2L6]2083
Failure Code [DDE5KA]2085
Failure Code [DDK4KA]2088
Failure Code [DDK4KB]2092
Failure Code [DDK5L4]2096
Failure Code [DDNRKY]2099
Failure Code [DDNTKY]2102
Failure Code [DDNUKY]2105
Failure Code [DDNWKY]2108
Failure Code [DDNYKB]2110
Failure Code [DDP5KA]2113
Failure Code [DDP6KA]2116
Failure Code [DDP6KY]2119
Failure Code [DDP6NR]2122
Failure Code [DDW9LD]2124
Failure Code [DDWLLD]2127
Failure Code [DF10KA]2130
Failure Code [DF10KB]2131
Failure Code [DGE5KA]2132
Failure Code [DGE5KB]2135
Failure Code [DGF1KA]2138
Failure Code [DGF1KB]2141
Failure Code [DGH2KX]2144
Failure Code [DGR2KB]2147
Failure Code [DGR2KZ]2151
Failure Code [DGR4KB]2155
Failure Code [DGR4KZ]2159
Failure Code [DGT1KA]2163
Failure Code [DGT1KB]2166
Failure Code [DGT5KA]2169
Failure Code [DGT5KY]2174
Failure Code [DGT6KA]2178
Failure Code [DGT6KY]2183
Failure Code [DH21KA]2187
Failure Code [DH21KY]2191
Failure Code [DHA4KA]2194
Failure Code [DHPAKA]2197
Failure Code [DHPAKY]2201
Failure Code [DHPCKA]2204
Failure Code [DHPCKY]2208
Failure Code [DHPDKA]2211
Failure Code [DHPDKY]2215
Failure Code [DHPSKA]2218
Failure Code [DHPSKY]2222
Failure Code [DHT2L6]2225
Failure Code [DHT3KX]2228
Failure Code [DHT5KX]2232
Failure Code [DHT7KX]2236
Failure Code [DHT8KA]2240
Failure Code [DHT8KY]2243
Failure Code [DHTAKX]2245
Failure Code [DHTBKA]2249
Failure Code [DHTBKY]2253
Failure Code [DHU2KA]2256
Failure Code [DHU2KY]2259
Failure Code [DHU3KA]2262
Failure Code [DHU3KY]2265
Failure Code [DJF1KA]2268
Failure Code [DJG1KX]2271
Failure Code [DJG2KX]2275
Failure Code [DK30KA]2279
Failure Code [DK30KY]2283
Failure Code [DK55KA]2286
Failure Code [DK55KY]2287
Failure Code [DK55L5]2288
Failure Code [DK59KA]2289
Failure Code [DK59KY]2293
Failure Code [DK59L8]2296
Failure Code [DK5AKA]2301
Failure Code [DK5AKY]2305
Failure Code [DK5BKA]2308
Failure Code [DK5BKY]2312
Failure Code [DK5BL8]2315
Failure Code [DK5CKA]2319
Failure Code [DK5CKY]2323
Failure Code [DKA0KA]2326
Failure Code [DKA0KY]2330
Failure Code [DKA0L0]2333
Failure Code [DKA1KA]2336
Failure Code [DKA1KY]2340
Failure Code [DKD0KA]2343
Failure Code [DKD0KY]2346
Failure Code [DKD0L8]2348
Failure Code [DKR2KX]2350
Failure Code [DKR2NX]2354
Failure Code [DKR3KX]2357
Failure Code [DKR3NX]2361
Failure Code [DLFAKA]2364
Failure Code [DLFALC]2367
Failure Code [DLFFLC]2370
Failure Code [DLM3KA]2374
Failure Code [DLM3LC]2377
Failure Code [DLT3KA]2380
Failure Code [DLT3LC]2383
Failure Code [DLT4KB]2386
Failure Code [DLT4KX]2389
Failure Code [DNDBL4]2392
Failure Code [DPQ1KR]2395
Failure Code [DPQ1LD]2401
Failure Code [DPQ2KR]2407
Failure Code [DPQ3KR]2414
Failure Code [DPQ4KB]2420
Failure Code [DQ11KQ]2422
Sensor Addresses List2426
Failure Code [DQ11KR]2427
Failure Code [DQ11KT]2430
Failure Code [DQ11MA]2433
Failure Code [DQ11NR]2437
Failure Code [DQ12KQ]2440
Sensor Addresses List2444
Failure Code [DQ12KR]2445
Failure Code [DQ12KT]2448
Failure Code [DQ12MA]2451
Failure Code [DQ12NR]2455
Failure Code [DQ13KQ]2458
Sensor Addresses List2462
Failure Code [DQ13KR]2463
Failure Code [DQ13KT]2466
Failure Code [DQ13MA]2469
Failure Code [DQ13NR]2473
Failure Code [DQ14KQ]2476
Sensor Addresses List2480
Failure Code [DQ14KR]2481
Failure Code [DQ14KT]2484
Failure Code [DQ14MA]2487
Failure Code [DQ14NR]2492
Failure Code [DR10KA]2495
Failure Code [DR20KA]2499
Failure Code [DR30KA]2503
Failure Code [DR40KA]2507
Failure Code [DR50KA]2511
Failure Code [DR60KA]2515
Failure Code [DSJ0KR]2519
Failure Code [DT22KB]2529
Failure Code [DUMBKB]2532
Failure Code [DV00KB]2535
Failure Code [DV01KB]2538
Failure Code [DW4PKA]2541
Failure Code [DW4PKB]2544
Failure Code [DW4PKY]2547
Failure Code [DW4QKA]2550
Failure Code [DW4QKB]2553
Failure Code [DW4QKY]2556
Failure Code [DW4RKA]2559
Failure Code [DW4RKB]2562
Failure Code [DW4RKY]2565
Failure Code [DW4SKA]2568
Failure Code [DW4SKB]2571
Failure Code [DW4SKY]2574
Failure Code [DW5PKA]2577
Failure Code [DW5PKB]2580
Failure Code [DW5PKY]2583
Failure Code [DW5QKA]2586
Failure Code [DW5QKB]2589
Failure Code [DW5QKY]2592
Failure Code [DW5RKA]2595
Failure Code [DW5RKB]2598
Failure Code [DW5RKY]2601
Failure Code [DW5SKA]2604
Failure Code [DW5SKB]2607
Failure Code [DW5SKY]2610
Failure Code [DW7BKA]2613
Failure Code [DW7BKB]2616
Failure Code [DW7BKY]2619
Failure Code [DWM1KA]2621
Failure Code [DWM1KB]2624
Failure Code [DWM1KY]2627
Failure Code [DWN6KA]2629
Failure Code [DWN6KB]2632
Failure Code [DWN6KY]2635
Failure Code [DWN8KA]2638
Failure Code [DWN8KB]2641
Failure Code [DWN8KY]2644
Failure Code [DWNFKA]2647
Failure Code [DWNFKB]2650
Failure Code [DWNFKY]2653
Failure Code [DWNVKA]2655
Failure Code [DWNVKB]2658
Failure Code [DWNVKY]2661
Failure Code [DX16KA]2663
Failure Code [DX16KB]2666
Failure Code [DX16KY]2669
Failure Code [DXA1KA]2671
Failure Code [DXA1KB]2674
Failure Code [DXA1KY]2677
Failure Code [DXA8KA]2679
Failure Code [DXA8KB]2682
Failure Code [DXA8KY]2685
Failure Code [DXANKA]2687
Failure Code [DXANKB]2690
Failure Code [DXANKY]2693
Failure Code [DXF0KA]2695
Failure Code [DXF0KB]2698
Failure Code [DXF0KY]2701
Failure Code [DXF5KA]2703
Failure Code [DXF5KB]2706
Failure Code [DXF5KY]2709
Failure Code [DXF6KA]2711
Failure Code [DXF6KB]2714
Failure Code [DXF6KY]2717
Failure Code [DXH4KA]2719
Failure Code [DXH4KB]2722
Failure Code [DXH4KY]2725
Failure Code [DXH5KA]2727
Failure Code [DXH5KB]2730
Failure Code [DXH5KY]2733
Failure Code [DXH6KA]2735
Failure Code [DXH6KB]2738
Failure Code [DXH6KY]2741
Failure Code [DXH7KA]2743
Failure Code [DXH7KB]2746
Failure Code [DXH7KY]2749
Failure Code [DXH8KA]2751
Failure Code [DXH8KB]2754
Failure Code [DXH8KY]2757
Failure Code [DXHPKA]2759
Failure Code [DXHPKB]2762
Failure Code [DXHPKY]2765
Failure Code [DXHPMA]2768
Failure Code [DXHPMB]2771
Troubleshooting of Electrical System (E-Mode)2774
Engine Does Not Start (Engine Does Not Crank)2774
Manual Preheating System Does Not Operate2789
Automatic Preheating System Does Not Work (For Machines Without Pre-lubrication System)2797
Automatic Preheating System Does Not Work (For Machines with Pre-lubrication System)2804
While Preheating is in Operation, Preheating Pilot Lamp Does Not Come On2811
LCD Unit, LED Unit, and Meter Unit on Machine Monitor Do Not Show Anything2815
LCD Unit on Machine Monitor Shows Nothing2825
Backlight of LCD Unit on Machine Monitor is Abnormal (Backlight Goes Off or Flickers)2828
LCD Screen on Machine Monitor Does Not Show Correctly2831
Meter Unit Display on Machine Monitor is Abnormal2834
Night Mode Lamp of Meter Unit on Machine Monitor is Abnormal2839
LED Unit Lamp on Machine Monitor is Abnormal2843
Night Mode Lamp of Switch Panel on Machine Monitor is Abnormal or Switches Do Not Operate Correctly2848
Two Switches Operation of Switch Panel on Machine Monitor Does Not Operate2853
Switch Panel Buzzer of Machine Monitor is Abnormal2858
Some Items of Gauges and Caution Lamps on Machine Monitor are Not Shown Correctly2863
Rearview Monitor Does Not Come On or Backlight Flickers2864
Rearview Monitor Images are Not Shown Clearly2869
Rearview Monitor Brightness Cannot be Adjusted2875
Night Mode Lamp of Rearview Monitor is Abnormal2881
Air Cleaner Clogging Caution Lamp Does Not Come On2885
Radiator Coolant Level Caution Lamp Does Not Come On2888
Parking Brake Indicator Lamp Does Not Come On When Parking Brake is ON (Parking) Position2891
Brake Oil Pressure Caution Lamp Does Not Come On When Front Brake Accumulator Oil Pressure is Low2900
Brake Oil Pressure Caution Lamp Does Not Come On When Rear Brake Accumulator Oil Pressure is Low2904
Fuel Gauge Does Not Show Normally2908
Torque Converter Oil Temperature Gauge Does Not Rise or Torque Converter Oil Temperature Caution Lamp Does Not Come On2911
Hydraulic Oil Temperature Gauge Does Not Rise or Hydraulic Oil Temperature Caution Lamp Does Not Come On2913
Seatbelt Caution Lamp Does Not Show Normally2915
Alarm Buzzer Does Not Operate2918
Alarm Buzzer Does Not Stop2920
Kickdown Does Not Operate When Kickdown Switch is ON Position2922
Hold Does Not Operate When Hold Switch is on Position2925
Parking Brake Does Not Operate Even If It is Applied, or the Brake Drags in FORWARD or REVERSE Travel When Parking Brake is Released2928
Loader Pump1 or Loader Pump 2 is Fixed to the Minimum Flow2936
ECSS Function Cannot be Selected or Cannot be Released2939
Horn Does Not Sound2942
Horn Does Not Stop2947
Headlamp, Clearance Lamp, and Tail Lamp Do Not Come On2950
Clearance Lamp and Tail Lamp Do Not Come On or Go Out2954
Headlamp Do Not Come On or Go Out2960
Side Working Lamp Does Not Come On or Go Out2966
Front Working Lamp Does Not Come On or Go Out2971
Rear Working Lamp Does Not Come On or Go Out2978
Turn Signal Lamp and Hazard Lamp Do Not Come On or Go Out2985
Turn Signal Lamp Does Not Come On or Go Out2991
Hazard Lamp Does Not Come On or Go Out2998
Brake Lamp Does Not Come On or Stays Lit3004
Backup Lamp Does Not Come On or Stays Lit3009
Staircase Light Does Not Come On or Go Out3013
Engine Room Lamp Does Not Come On or Go Out3019
Fog Lamp Does Not Come On or Go Out3024
Yellow Revolving Lamp Does Not Come On or Go Out3029
Backup Buzzer Does Not Sound or Continues to Sound3034
Front Wiper Does Not Operate3038
Rear Wiper Does Not Operate3043
Side Wiper Does Not Operate3048
Fuel Feed Pump Does Not Operate or Stop Automatically3053
Front Window Washer Does Not Operate3061
Rear Window Washer Does Not Operate3065
Side Window Washer Does Not Operate3069
Power Ladder Does Not Operate3073
Shock is Large When Power Ladder Stops3080
Parking Status Cannot be Cancelled While Power Ladder is Stored3084
Auto-Digging Function Does Not Operate3087
Semi-Auto Approach Function Does Not Operate3091
Semi-Auto Dump Function Does Not Operate3095
KOMTRAX Plus System Does Not Operate Normally3100
Data Download with Wireless LAN Does Not Operate3103
KomVision Monitor Does Not Come On or Backlight Flickers3104
KomVision Monitor Images are Not Shown Clearly3109
KomVision Monitor Brightness Cannot be Adjusted3117
Night Mode Lamp of KomVision Monitor is Abnormal3123
A Part of Camera Image of KomVision Monitor is Not Shown3127
KomVision Monitor is Not Shown Correctly After Calibration3129
Troubleshooting for Hydraulic and Mechanical Systems (H Mode)3131
Information Shown in Troubleshooting Table (H-Mode)3131
Failure Mode and Cause Table3132
Machine Does Not Start3146
ECMV Operation Table3154
Travel Speed is Slow, Bucket Thrust Force is Weak, Gradability is Low, or Gear Speed Does Not Shift3155
ECMV Operation Table3162
Strong Shocks are Made When You Start Machine or Shift Gears3163
ECMV Operation Table3168
Time Lag is Large When You Start Machine or Shift Gears3169
ECMV Operation Table3174
Torque Converter Oil Temperature is High3175
Machine Does Not Turn3181
Turning Response is Unsatisfactory3187
Machine Sways or Large Shocks are Made While Machine Turns3193
Wheel Brakes Do Not Operate or are Weak3198
Wheel Brakes are Not Released or Drag3202
Parking Brake Does Not Operate or is Weak3204
Parking Brake is Not Released or Drags3206
Boom Does Not Rise3210
Boom Moves Slow or Lacks Lifting Force3216
Rising Boom Slows Down at Specified Height3222
Lift Cylinders Can Not Hold Bucket on Ground3223
Hydraulic Drift of Boom is Large3227
Boom Moves Up and Down During Operation3229
Bucket Does Not Tilt Back3231
Bucket Moves Slow or Lacks Tilt-Back Force3238
Bucket Slows Down During Tilt Back Operation3245
Bucket Cylinder Does Not Hold Bucket on Ground3246
Hydraulic Drift of Bucket is Large3250
Bucket Tilts Back and Forth When You Carry Load3252
Boom and Bucket Control Levers Do Not Move Smoothly and are Heavy to Move3254
Engine Speed Drops Largely or Engine Stops When You Operate Work Equipment3256
Large Shocks are Made When Work Equipment Starts to Move and Stops3260
When Single Work Equipment is Released Hydraulically, Other Work Equipment Moves3267
ECSS Does Not Operate and Machine Pitches and Bounces3268
Fan Speed is Abnormal (Too High or Low, or Does Not Move)3271
Unusual Noise is Heard from Around Fan3275
Troubleshooting of Engine (S-Mode)3276
Information Shown in Troubleshooting Table (S-Mode)3276
Engine Does Not Crank When Starting Switch is Turned to Start Position3277
Engine Cranks but Does Not Start3279
Fuel is Sprayed but Engine Does Not Start (Misfiring: Engine Cranks but Does Not Start)3284
Engine Startability is Unsatisfactory3291
Engine Does Not Pick Up Smoothly3297
Engine Stops During Operation3304
Engine Does Not Rotate Smoothly3311
Engine Lacks Output (or Lacks Power)3317
Exhaust Smoke is Black3323
Engine Oil Consumption is Excessive3328
Engine Oil Becomes Dirty Quickly3332
Fuel Consumption is Excessive3335
Oil is in Coolant (or Coolant Spurts Back or Coolant Level Goes Down)3339
Engine Oil Pressure Drops3341
Fuel Mixes Into Engine Oil3345
Water Mixes Into Engine Oil (Milky)3347
Coolant Temperature Increases Too High (Overheat)3349
Unusual Noise is Heard3353
Vibration is Excessive3356
Air Cannot be Bled from Fuel Circuit3358
50 Disassembly and Assembly3363
Table of Contents3364
Precautions Before Work3370
Related Information on Disassembly and Assembly3371
How to Read This Manual3371
Coating Materials List3373
Special Tool List3378
Sketches of Special Tools3396
Engine and Cooling System3409
Remove and Install Muffler Assembly3409
How to Remove Muffler Assembly3410
How to Install Muffler Assembly3414
Remove and Install Supply Pump Assembly (Right Bank)3420
How to Remove Supply Pump Assembly (Right Bank)3421
How to Install Supply Pump Assembly (Right Bank)3431
Remove and Install Supply Pump Assembly (Left Bank)3448
How to Remove Supply Pump Assembly (Left Bank)3449
How to Install Supply Pump Assembly (Left Bank)3455
Remove and Install Injector Assembly (Right Bank)3466
How to Remove Injector Assembly (Right Bank)3467
How to Install Injector Assembly (Right Bank)3477
Remove and Install Injector Assembly (Left Bank)3489
How to Remove Injector Assembly (Left Bank)3490
How to Install Injector Assembly (Left Bank)3501
Remove and Install Cylinder Head Assembly (Right Bank)3514
How to Remove Cylinder Head Assembly (Right Bank)3516
How to Install Cylinder Head Assembly (Right Bank)3541
Remove and Install Cylinder Head Assembly (Left Bank)3575
How to Remove Cylinder Head Assembly (Left Bank)3577
How to Install Cylinder Head Assembly (Left Bank)3606
Remove and Install Starter Assembly3648
How to Remove Starting Motor Assembly3648
How to Install Starting Motor Assembly3652
Remove and Install Alternator Belt3655
How to Remove Alternator Belt3656
How to Install Alternator Belt3658
Remove and Install Alternator Assembly3662
How to Remove Alternator Assembly3663
How to Install Alternator Assembly3666
Remove and Install Cooler Assembly3671
How to Remove Cooling Assembly3673
How to Install Cooling Assembly3689
Remove and Install Radiator Core3707
How to Remove Radiator Core3708
How to Install Radiator Core3715
Remove and Install Radiator Reservoir Tank Assembly3723
How to Remove Radiator Reservoir Tank Assembly3724
How to Install Radiator Reservoir Tank Assembly3726
Remove and Install Cooling Fan and Fan Motor Assembly3728
How to Remove Cooling Fan and Fan Motor Assembly3729
How to Install Cooling Fan and Fan Motor Assembly3733
Remove and Install Hydraulic Oil Cooler Assembly3737
How to Remove Hydraulic Oil Cooler Assembly3737
How to Install Hydraulic Oil Cooler Assembly3739
Remove and Install Aftercooler Assembly3741
How to Remove Aftercooler Assembly3742
How to Install Aftercooler Assembly3749
Remove and Install Power Train Oil Cooler Assembly3756
How to Remove Power Train Oil Cooler Assembly3757
How to Install Power Train Oil Cooler Assembly3758
Remove and Install Brake Cooler3760
How to Remove Brake Cooler3761
How to Install Brake Cooler3762
Remove and Install Engine Assembly3763
How to Remove Engine Assembly3765
How to Install Engine Assembly3790
Remove and Install Engine Front Oil Seal3816
How to Remove Engine Front Oil Seal3816
How to Install Engine Front Oil Seal3818
Remove and Install Engine Rear Oil Seal3820
How to Remove Engine Rear Oil Seal3821
How to Install Engine Rear Oil Seal3822
Remove and Install Turbocharger Assembly (Right Bank)3825
How to Remove Turbocharger Assembly (Right Bank)3826
How to Install Turbocharger Assembly (Right Bank)3833
Remove and Install Turbocharger Assembly (Left Bank)3840
How to Remove Turbocharger Assembly (Left Bank)3841
How to Install Turbocharger Assembly (Left Bank)3848
Remove and Install Upper Part of Engine3856
How to Remove Upper Part of Engine3857
How to Install Upper Part of Engine3863
Remove and Install Top Hood Assembly3870
How to Remove Top Hood Assembly3870
How to Install Top Hood Assembly3872
Remove and Install Fuel Tank Assembly3875
How to Remove Fuel Tank Assembly3876
How to Install Fuel Tank Assembly3884
Remove and Install Air Cleaner Assembly3892
How to Remove Air Cleaner Assembly3892
How to Install Air Cleaner Assembly3894
Remove and Install Air Conditioner Compressor Assembly3896
How to Remove Air Conditioner Compressor Assembly3897
How to Install Air Conditioner Compressor Assembly3899
Remove and Install Air Conditioner Condenser Assembly3903
How to Remove Air Conditioner Condenser Assembly3903
How to Install Air Conditioner Condenser Assembly3906
Drain and Add Coolant3909
How to Drain Coolant3909
How to Add Coolant3911
Power Train3913
Remove and Install Damper Assembly3913
How to Remove Damper Assembly3915
How to Install Damper Assembly3918
Disassemble and Assemble Damper Assembly3920
How to Disassemble Damper Assembly3921
How to Assemble Damper Assembly3922
Remove and Install Transmission, Transfer Assembly and Torque Converter, Input Transfer, PTO Assembly3928
How to Remove Transmission, Transfer Assembly and Torque Converter, Input Transfer, PTO Assembly3932
How to Install Transmission, Transfer Assembly and Torque Converter, Input Transfer, PTO Assembly3957
Disconnect and Connect Transmission, Transfer Assembly and Torque Converter, Input Transfer, PTO Assembly3983
How to Disconnect Transmission, Transfer Assembly and Torque Converter, Input Transfer, PTO Assembly3984
How to Connect Transmission, Transfer Assembly and Torque Converter, Input Transfer, PTO Assembly3989
Disconnect and Connect Torque Converter, Input Transfer and PTO Assembly3997
How to Disconnect Torque Converter, Input Transfer, PTO Assembly3998
How to Connect Torque Converter, Input Transfer, PTO Assembly4000
Disassemble and Assemble Torque Converter Assembly4003
How to Disassemble Torque Converter Assembly4004
How to Assemble Torque Converter Assembly4006
Disassemble and Assemble Input Transfer and PTO Assembly4011
How to Disassemble Input Transfer and PTO Assembly4013
How to Assemble Input Transfer and PTO Assembly4024
Disconnect and Connect Transmission and Transfer Assembly4046
How to Disconnect Transmission and Transfer Assembly4046
How to Connect Transmission and Transfer Assembly4047
Disassemble and Assemble Transmission Assembly4049
How to Disassemble Transmission Assembly4051
How to Assemble Transmission Assembly4064
Disassemble and Assemble Transfer Assembly4079
How to Disassemble Transfer Assembly4081
How to Assemble Transfer Assembly4089
Remove and Install Parking Brake Assembly4103
How to Remove Parking Brake Assembly4104
How to Install Parking Brake Assembly4108
Disassemble and Assemble Parking Brake Assembly4111
How to Disassemble Parking Brake Assembly4112
How to Assemble Parking Brake Assembly4114
Drain and Add Transmission Oil4118
How to Drain Transmission Oil4118
How to Add Transmission Oil4119
Remove and Install Front Axle Assembly4120
How to Remove Front Axle Assembly4122
How to Install Front Axle Assembly4129
Remove and Install Rear Axle Assembly4136
How to Remove Rear Axle Assembly4138
How to Install Rear Axle Assembly4146
Remove and Install Center Support Assembly4152
How to Remove Center Support Assembly4153
How to Install Center Support Assembly4155
Disassemble and Assemble Center Support Assembly4159
How to Disassemble Center Support Assembly4159
How to Assemble Center Support Assembly4161
Remove and Install Differential Assembly4166
How to Remove Differential Assembly4167
How to Install Differential Assembly4170
Disassemble and Assemble Differential Assembly4174
How to Disassemble Differential Assembly4176
How to Assemble Differential Assembly4186
Remove and Install Final Drive Carrier Assembly4208
How to Remove Final Drive Carrier Assembly4209
How to Install Final Drive Carrier Assembly4210
Disassemble and Assemble Final Drive Carrier Assembly4213
How to Disassemble Final Drive Carrier Assembly4213
How to Assemble Final Drive Carrier Assembly4215
Remove and Install Front Final Drive and Brake Assembly4218
How to Remove Front Final Drive and Brake Assembly4219
How to Install Front Final Drive and Brake Assembly4222
Disassemble and Assemble Final Drive and Brake Assembly4227
How to Disassemble Final Drive and Brake Assembly4229
How to Assemble Final Drive and Brake Assembly4238
Steering System4255
Remove and Install Steering Valve Assembly4255
How to Remove Steering Valve Assembly4256
How to Install Steering Valve Assembly4264
Remove and Install Rotary Valve Assembly4273
How to Remove Rotary Valve Assembly4274
How to Install Rotary Valve Assembly4276
Brake System4279
Remove and Install Right Brake Valve Assembly4279
How to Remove Right Brake Valve Assembly4280
How to Install Right Brake Valve Assembly4283
Remove and Install Left Brake Valve Assembly4288
How to Remove Left Brake Valve Assembly4289
How to Install Left Brake Valve Assembly4292
Remove and Install Brake Accumulator Assembly4295
How to Remove Brake Accumulator Assembly4296
How to Install Brake Accumulator Assembly4299
Undercarriage and Frame4302
Remove and Install Front Wheel Assembly4302
How to Remove Front Wheel Assembly4302
How to Install Front Wheel Assembly4305
Remove and Install Rear Wheel Assembly4307
How to Remove Rear Wheel Assembly4308
How to Install Rear Wheel Assembly4313
Remove and Install Center Hinge Pin4319
How to Remove Center Hinge Pin4323
How to Install Center Hinge Pin4334
Remove and Install Bumper Assembly4352
How to Remove Bumper Assembly4353
How to Install Bumper Assembly4356
Hydraulic System4359
Remove and Install Hydraulic Tank Assembly4359
How to Remove Hydraulic Tank Assembly4360
How to Install Hydraulic Tank Assembly4368
Remove and Install Work Equipment Pump, Pilot and Brake Charge Pump Assembly4375
How to Remove Work Equipment Pump, Pilot and Brake Charge Pump Assembly4376
How to Install Work Equipment Pump, Pilot and Brake Charge Pump Assembly4381
Remove and Install Work Equipment Pump and Brake Cooling Duplex Pump Assembly4385
How to Remove Work Equipment Pump and Brake Cooling Duplex Pump Assembly4386
How to Install Work Equipment Pump and Brake Cooling Duplex Pump Assembly4390
Remove and Install Secondary Steering Pump Assembly4394
How to Remove Secondary Steering Pump Assembly4395
How to Install Secondary Steering Pump Assembly4396
Remove and Install Steering Pump Assembly4398
How to Remove Steering Pump Assembly4399
How to Install Steering Pump Assembly4405
Remove and Install Cooling Pump and Cooling Fan Pump Assembly4410
How to Remove Cooling Pump and Cooling Fan Pump Assembly4411
How to Install Cooling Pump and Cooling Fan Pump Assembly4416
Remove and Install Transmission and Torque Converter Lubrication Triplex Pump Assembly4422
How to Remove Transmission and Torque Converter Lubrication Triplex Pump Assembly4423
How to Install Transmission and Torque Converter Lubrication Triplex Pump Assembly4425
Remove and Install Control Valve Assembly4427
How to Remove Control Valve Assembly4428
How to Install Control Valve Assembly4440
Remove and Install Diverter Valve Assembly4452
How to Remove Diverter Valve Assembly4453
How to Install Diverter Valve Assembly4456
Drain and Add Hydraulic Oil4459
How to Drain Hydraulic Oil4459
How to Add Hydraulic Oil4461
Work Equipment4462
Remove and Install Work Equipment Assembly4462
How to Remove Work Equipment Assembly4463
How to Install Work Equipment Assembly4470
Disassemble and Assemble Steering Cylinder Assembly4478
How to Disassemble Steering Cylinder Assembly4479
How to Assemble Steering Cylinder Assembly4481
Disassemble and Assemble Bucket Cylinder Assembly4485
How to Disassemble Bucket Cylinder Assembly4486
How to Assemble Bucket Cylinder Assembly4488
Disassemble and Assemble Lift Cylinder Assembly4492
How to Disassemble Lift Cylinder Assembly4493
How to Assemble Lift Cylinder Assembly4495
Remove and Install Boom End (Bucket Hinge) Bushing4499
How to Remove Boom End (Bucket Hinge) Bushing4499
How to Install Boom End (Bucket Hinge) Bushing4500
CAB Related Parts4501
Remove and Install ROPS Assembly4501
How to Remove ROPS Assembly4502
How to Install ROPS Assembly4506
Remove and Install Operator CAB Assembly and Floor Frame Assembly4511
How to Remove Operator Cab Assembly and Floor Frame Assembly4513
How to Install Operator Cab Assembly and Floor Frame Assembly4523
Remove and Install Operator Cab Assembly4534
How to Remove Operator Cab Assembly4535
How to Install Operator Cab Assembly4550
Remove and Install Operator Cab Glass (Adhered Glass)4564
How to Remove Operator Cab Glass (Adhered Glass)4564
How to Install Operator Cab Glass (Adhered Glass)4565
Remove and Install Air Conditioner Unit Assembly4574
How to Remove Air Conditioner Unit Assembly4575
How to Install Air Conditioner Unit Assembly4581
Remove and Install Operator Seat Assembly4589
How to Remove Operator Seat Assembly4589
How to Install Operator Seat Assembly4592
Remove and Install Work Equipment Control Lever4596
How to Remove Work Equipment Control Lever4597
How to Install Work Equipment Control Lever4600
How to Remove and Install Seat Belt4604
How to Remove Seat Belt4604
How to Install Seatbelt4605
Remove and Install AJSS Lever Switch Assembly4607
How to Remove AJSS Lever Switch Assembly4608
How to Install AJSS Lever Switch Assembly4612
Electrical System4618
Remove and Install Engine Controller Assembly4618
How to Remove Engine Controller Assembly4619
How to Install Engine Controller Assembly4623
Remove and Install Work Equipment Controller Assembly4630
How to Remove Work Equipment Controller Assembly4631
How to Install Work Equipment Controller Assembly4634
Remove and Install Transmission Controller Assembly4637
How to Remove Transmission Controller Assembly4638
How to Install Transmission Controller Assembly4641
Remove and Install Monitor Controller Assembly4644
How to Remove Monitor Controller Assembly4645
How to Install Monitor Controller Assembly4648
Remove and Install Machine Monitor Assembly4651
How to Remove Machine Monitor Assembly4651
How to Install Machine Monitor Assembly4653
Remove and Install Crankcase Pressure Sensor4656
How to Remove Crankcase Pressure Sensor4656
How to Install Crankcase Pressure Sensor4658
Remove and Install KomVision Camera Assembly4660
How to Remove KomVision Camera Assembly4662
How to Install KomVision Camera Assembly4672
Remove and Install KomVision Radar Assembly4683
How to Remove KomVision Radar Assembly4685
How to Install KomVision Radar Assembly4688
Remove and Install KomVision Controller4691
How to Remove KomVision Controller4691
How to Install KomVision Controller4693
Remove And Install KOMTRAX Plus Controller Assembly4695
How to Remove KOMTRAX Plus Controller Assembly4695
How to Install KOMTRAX Plus Controller Assembly4697
Remove and Install Wireless LAN Unit Assembly4699
How to Remove Wireless LAN Unit Assembly4699
How to Install Wireless LAN Unit Assembly4701
60 Maintenance Standard4703
Table of Contents4704
Explanation of Terms for Maintenance Standard4705
Engine and Cooling System4707
Maintenance Standard for Engine Mount4707
Maintenance Standard for Damper4708
Maintenance Standard for Cooling Fan Pump4710
Maintenance Standard for Servo Valve for Cooling Fan Pump4712
Maintenance Standard for Cooling Fan Motor4713
Power Train4716
Maintenance Standard for Drive Shaft4716
Maintenance Standard for Center Support4717
Maintenance Standard for Transmission Mount4719
Maintenance Standard for Torque Flow Assembly4721
Maintenance Standard for Torque Converter4723
Maintenance Standard for Modulation Clutch4730
Maintenance Standard for Valve Assembly (For Main Relief and Torque Converter Relief)4732
Maintenance Standard for Torque Converter Regulator Valve4734
Maintenance Standard for Transmission4736
Maintenance Standard for Transmission Control Valve4744
Maintenance Standard for F, R, 1st, 2nd, 3rd Clutch ECMV4745
Maintenance Standard for Modulation Clutch ECMV4747
Maintenance Standard for Transmission Lubrication Relief Valve4749
Maintenance Standard for Front Axle4750
Maintenance Standard for Rear Axle4752
Maintenance Standard for Front Differential4754
Maintenance Standard for Rear Differential4758
Maintenance Standard for Final Drive4762
Steering System4764
Maintenance Standard for Steering Pump4764
Maintenance Standard for Steering Cylinder4767
Brake System4769
Maintenance Standard for Brake4769
Maintenance Standard for Parking Brake4771
Maintenance Standard for Parking Brake Circuit Check Valve4773
Undercarriage and Frame4774
Maintenance Standard for Frame, Axle Mount and Center Hinge Pin4774
Hydraulic System4781
Maintenance Standard for Hydraulic Tank4781
Maintenance Standard for Work Equipment Pump4783
Maintenance Standard for Control Valve4786
Work Equipment4799
Maintenance Standard for Work Equipment Linkage4799
Maintenance Standard for Bucket4803
Maintenance Standard for Lift Cylinder4804
Maintenance Standard for Bucket Cylinder4805
CAB Related Parts4806
Maintenance Standard for CAB Mount4806
80 Others4807
Table of Contents4808
Precautions Before Work4810
Air Conditioner System4811
Precautions for Refrigerant4811
Air Conditioner Component4812
Specifications of Air Conditioner4814
Structure and Function of Refrigeration Cycle4815
Outline of Refrigeration Cycle4816
Component Parts of Air Conditioner System4818
Air Conditioner Unit4818
Component Parts of Air Conditioner Unit4821
Function of Evaporator4821
Function of Heater Core4821
Function of Evaporator Temperature Sensor4821
Function of Servomotor4821
Structure of Expansion Valve4822
Function of Expansion Valve4822
Operation of Expansion Valve4822
Function of Triple Pressure Switch4823
Air Conditioner Controller4825
Structure of Air Conditioner Controller4825
Compressor4826
Structure of Compressor4826
Specifications of Compressor4826
Function of Compressor4826
Condenser4828
Structure of Condenser4828
Specifications of Condenser4828
Function of Condenser4828
Receiver Drier4830
Structure of Receiver Dryer4830
Specifications of Receiver Dryer4830
Function of Receiver Dryer4830
Air Conditioner Related Sensors4831
Structure of Sunlight Sensor4831
Function of Sunlight Sensor4831
Structure of Outside Temperature Sensor4831
Function of Outside Air Temperature Sensor4831
Explanation of Procedure for Test of and Troubleshooting of Air Conditioner4832
Circuit Diagram and Configuration of Connector Pins of Air Conditioner4834
System Diagram of Air Conditioner4836
Input and Output Signals of Air Conditioner Controller4837
Function of Air Conditioner Controller4838
Locations of Air Conditioner Parts and Layout of Connectors4839
Examine Air Leakage (Duct)4843
How to Examine Air Leakage (Duct)4843
Examine Air Conditioner with Self-Diagnosis Function4845
Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor4846
Examine Vent (Mode) Changeover4847
How to Examine Vent (Mode) Changeover4847
Examine Fresh/Recirc Air Changeover4848
How to Examine Fresh/Recirc Air Changeover4848
Examine Sunlight Sensor4849
How to Examine Sunlight Sensor4849
Examine Refrigerant (Triple) Pressure Switch4850
How to Examine Refrigerant (Triple) Pressure Switch4850
Examine Relay4852
How to Examine Relay4852
Air Conditioner Troubleshooting Chart 14853
Air Conditioner Troubleshooting Chart 24855
Information Shown in Troubleshooting4858
Troubleshooting by Failure Code (Display of Code)4861
Failure Code [879AKA]4861
Failure Code [879AKB]4862
Failure Code [879BKA]4863
Failure Code [879BKB]4866
Failure Code [879CKA]4869
Failure Code [879CKB]4870
Failure Code [879DKZ]4871
Failure Code [879EMC]4875
Failure Code [879FMC]4876
Failure Code [879GKX]4877
Troubleshooting of Air Conditioner System (A-Mode)4880
Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)4880
Troubleshooting for Condenser4885
Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)4892
Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)4897
Troubleshooting for Fresh/Recirc Air Changeover4901
Troubleshooting by Gauge Pressure4904
Connect Service Tool4908
How to Connect Service Tool4908
Precautions for Disconnection and Connection of Air Conditioner Piping4909
Handle Compressor Oil4910
KomVision System4912
Structure and Operation of KomVision System4912
Precautions for KomVision System4912
Layout Drawing of KomVision System4913
Component Parts of KomVision System4919
Examine and Adjust KomVision System4932
Set and Operate KomVision Monitor4932
Camera Calibration4952
5 Camera Calibration4953
1 Camera Calibration4978
Adjust Radar (For Machine with Radar)4985
How to Set Default Radar Setting4985
How to Adjust Radar4987
Troubleshooting for KomVision System4992
Related Information to Troubleshooting4992
Troubleshooting by Failure Code (Display of Code)5010
Troubleshooting of Electrical System (E-Mode)5189
90 Circuit Diagrams5217
Table of Contents5218
How to Read the Codes for Electric Cable5219
Hydraulic Circuit Diagram5223
Symbols Used in Hydraulic Circuit Diagram5223
Hydraulic Circuit Diagram for Work Equipment5227
Power Train Hydraulic Circuit Diagram5229
Hydraulic Circuit Diagram for Work Equipment (Combination of Forward 1st Travel, Boom RAISE and Bucket TILT Operation (1/2)5231
Hydraulic Circuit Diagram for Power Train (Combination of Forward 1st Travel, Boom RAISE and Bucket TILT Operation 2/2)5233
Hydraulic Circuit Diagram for Work Equipment (Combination of Boom LOWER, Reverse 2nd Travel, Steer Left, and Left Brake Operation 1/2)5235
Hydraulic Circuit Diagram for Power Train (Combination of Boom LOWER, Reverse 2nd Travel, Steer Left, and Left Brake Operation 2/2)5237
Electrical Circuit Diagram5239
Symbols Used in Electric Circuit Diagram5239
Electrical Circuit Diagram of Machine (1/8)5243
Electrical Circuit Diagram of Machine (2/8)5245
Electrical Circuit Diagram of Machine (3/8)5247
Electrical Circuit Diagram of Machine (4/8)5249
Electrical Circuit Diagram of Machine (5/8)5251
Electrical Circuit Diagram of Machine (6/8)5253
Electrical Circuit Diagram of Machine (7/8)5255
Electrical Circuit Diagram of Machine (8/8)5257
Electrical Circuit Diagram of Floor (1/8)5259
Electrical Circuit Diagram of Floor (2/8)5261
Electrical Circuit Diagram of Floor (3/8)5263
Electrical Circuit Diagram of Floor (4/8)5265
Electrical Circuit Diagram of Floor (5/8)5267
Electrical Circuit Diagram of Floor (6/8)5269
Electrical Circuit Diagram of Floor (7/8)5271
Electrical Circuit Diagram of Floor (8/8)5273
Electrical Circuit Diagram of Engine (1/2)5275
Electrical Circuit Diagram of Engine (2/2)5277
Index5279

IMAGES PREVIEW OF THE MANUAL:

S.M 26/12/24