Komatsu PC88MR-8 Hydraulic Excavator Shop Manual PDF

Description

Komatsu PC88MR-8 Hydraulic Excavator Shop Manual CEBM007301 – PDF DOWNLOAD

FILE DETAILS:

Komatsu PC88MR-8 Hydraulic Excavator Shop Manual CEBM007301 – PDF DOWNLOAD

Language : English
Pages : 1001
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Komatsu PC88MR-8 Hydraulic Excavator Shop Manual CEBM007301 – PDF DOWNLOAD 

SERIAL NUMBERS PC88MR-8 A90001 and up
ENGINE SAA4D95LE-5

GENERAL PRECAUTIONS :

Mistakes in operation are extremely dangerous. Read the OPERATION & MAINTENANCE MANUAL carefully BEFORE operating the machine.

PREPARATIONS FOR WORK:

PRECAUTIONS DURING WORK :

TABLE OF CONTENTS:

Komatsu PC88MR-8 Hydraulic Excavator Shop Manual CEBM007301 – PDF DOWNLOAD

SERIAL NUMBERS PC88MR-8 A90001 and up
ENGINE SAA4D95LE-5

CEBM007301 – PC88MR-8 sn A90001-up 0
CONTENTS 2
REVISED PAGES 3
SAFETY 19
Safety Notice 19
Important Safety Notice 19
General Precautions 19
Preparations For Work 19
Precautions During Work 19
GENERAL 22
HOW TO READ THE SHOP MANUAL 23
Volumes 23
Distribution And Updating 23
Filing Method 23
Revised Edition Mark 23
Revisions 23
Symbols 23
HOISTING INSTRUCTIONS 24
Hoisting 24
Wire Ropes 24
PUSH PULL COUPLER 25
Type 1 25
Disconnection 25
Connection 25
Type 2 26
Disconnection 26
Connection 26
Type 3 27
Disconnection 27
Connection 27
EXPLANATION OF MAINTENANCE STANDARD TERMS 28
STANDARD TIGHTENING TORQUE 30
Bolts And Nuts 30
Tightening Torque Of Hose Nuts 31
Tightening Torque Of Split Flange Bolts 31
Tightening Torque For Flared Nuts 31
Tightening Torques For O-ring Boss Piping Joints 32
Table Of Tightening Torques For O-ring Boss Plugs 32
Torque Table For Hoses (Taper Seal Type And Face Seal Type) 32
ELECTRIC WIRE CODE 33
Classification By Thickness 33
Classification By Color And Code 33
How To Read Electric Wire Code 34
CONVERSION TABLES 37
Method Of Using The Conversion Table 37
COATING MATERIALS 43
01 GENERAL 45
SPECIFICATIONS DIMENSION DRAWING 46
Working Range Diagram 47
Specifications 48
Weight Table 52
TABLE FOR FUEL, COOLANT AND LUBRICANTS 54
Selection According to Ambient Temperature 54
Mixing Rate of Water and Antifreeze 55
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD 57
ENGINE AND COOLING SYSTEM 62
Engine Mount 62
Cooling System 64
Power Take Off (PTO) 66
POWER TRAIN 67
Power Train 67
Swing Circle 68
Swing Machinery 70
UNDERCARRIAGE AND FRAME 72
Track Frame 72
Idler Cushion 73
Idler 74
Track Roller 76
Carrier Roller 77
Sprocket 78
Track Shoe 80
City Pad Shoe, Road Liner, Triple Grouser Shoe 80
City Pad Shoe, Triple Grouser Shoe 83
Road Liner 84
HYDRAULIC SYSTEM 86
Hydraulic Equipment Layout Drawing 86
Valve Control 87
Hydraulic Tank and Filter 88
Oil Filler Cap Breather 89
Hydraulic Pump 90
Model: LPD45+45 90
Operation of Pump 95
Servo Valve 96
Control of Delivery 98
LS Valve 99
PC Valve 99
Action of Spring 100
When Pump Pressure (PAVE) is Low 100
When Pump Pressure (PAVE) is High 100
When Swing Gear Pump Pressure Increases or Decreases 100
When PC-EPC Valve Operates 100
When Load is Light 101
When Load is Heavy 102
When Balanced 103
Control Valve 104
10-Spool Valve (EU Specification) 104
Sectional Views 106
9-Spool Valve (North America Specification) 118
CLSS 120
Outline of CLSS 120
Features 120
Composition 120
Basic principle 121
Pump swash plate angle control 121
LS differential pressure (rPLS) and pump swash plate angle 121
Pressure compensation control 122
Functions and Operation by Valve 124
Hydraulic Circuit Diagram and the Name of Valves 124
9-Spool Valve (North America Specification) 125
Unload Valve 126
Merge-Divider Valve 136
Introduction of LS Pressure 138
Travel Valve 139
LS Bypass Valve 140
LS Select Valve 142
Boom RAISE Merge Valve 144
Pressure compensation valve 147
Boom hydraulic drift prevention valve 148
Boom regeneration circuit 151
Travel junction valve 154
Travel LS Bleed Circuit and Travel Junction Valve 158
PPC Valve 162
Work Equipment and Swing PPC Valve 162
Travel PPC Valve 168
Blade and Boom Swing PPC Valve 172
Swing Motor 174
Brake Valve 178
Modulating Relief Valve 180
Swing Holding Brake 181
Reverse Prevention Valve 182
Travel Motor 185
Center Swivel Joint 193
Solenoid Valve 194
4-Spool Solenoid Valve 194
Check Valve 195
Solenoid Valve 196
EPC Valve 198
PPC Accumulator 201
Anti-Drop Valve 203
Multi-Control Valve 208
WORK EQUIPMENT 209
Dimensions of Components 212
Arm 212
Bucket 216
Work Equipment Cylinder 218
Boom Cylinder 218
Arm Cylinder 218
Bucket Cylinder 218
Boom Swing Cylinder 219
Blade Cylinder 219
AIR CONDITIONER 222
Air Conditioner Piping Diagram 222
Refrigerant Circuit Diagram 224
Air Conditioner Unit 226
Air Conditioner Controller 229
Compressor 230
Condenser 231
Receiver 232
Sensors 233
Sunlight Sensor 233
Ambient Air Temperature Sensor 233
ELECTRICAL SYSTEM 234
Electrical Control System 234
Machine Control System Diagram 234
Engine Control Function 236
Engine and Pump Mutual Control Function 238
Auto-Deceleration Function 242
Engine Automatic Warm-Up Function 244
Turbocharger Protection Function 246
Swing Control Function 248
Travel Control Function 250
PPC Lock Function 252
Oil Flow Adjuster Function for Attachment 253
System Components 254
Engine Controller 254
Pump Controller 256
Fuel control dial 258
Resistor 259
Engine Oil Pressure Switch 260
PPC Oil Pressure Switch 261
Monitor System 262
Machine monitor 264
Display 266
Switches 270
Operator Mode Function 274
Service Mode Function 276
KOMTRAX System 277
KOMTRAX terminal 278
Input and Output Signals 278
Sensor 279
Atmospheric Pressure Sensor 279
Boost Pressure and Temperature Sensor 279
Coolant Temperature Sensor 280
Crankshaft Speed Sensor 280
Camshaft Speed Sensor 280
Common Rail Pressure Sensor 281
Hydraulic Oil Temperature Sensor 281
Fuel Level Sensor 282
Pump Oil Pressure Sensor 283
Boom Cylinder Bottom Oil Pressure Sensor 283
PPC Oil Pressure Sensor 284
20 STANDARD VALUE TABLES 285
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS 286
STANDARD VALUE TABLE FOR CHASSIS 287
30 TESTING AND ADJUSTING 295
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING 298
ENGINE SPEED 303
EXHAUST TEMPERATURE 304
EXHAUST GAS COLOR 306
VALVE CLEARANCE 308
COMPRESSION PRESSURE 310
BLOW-BY PRESSURE 312
ENGINE OIL PRESSURE 314
HANDLING FUEL SYSTEM PARTS 316
Releasing Residual Pressure From Fuel System 316
Testing Fuel Pressure 317
Testing Fuel Return Rate And Fuel Leakage 318
Bleeding Air From Fuel Circuit 320
Checking Fuel Circuit for Leakage 322
ALTERNATOR BELT TENSION 324
Testing 324
Adjusting 325
AIR CONDITIONER COMPRESSOR BELT TENSION 326
Checking 326
Adjusting 326
SWING CIRCLE BEARING CLEARANCE 327
TRACK SHOE TENSION 328
Checking 328
Adjusting 328
Increasing tension 328
Decreasing tension 329
OIL PRESSURE IN WORK EQUIPMENT AND TRAVEL CIRCUITS 330
Testing 330
Adjusting 332
SWING AND BLADE CIRCUIT OIL PRESSURE 334
Testing 334
CONTROL CIRCUIT BASIC PRESSURE 338
OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 340
PC-EPC SOLENOID OUTPUT PRESSURE 343
LS DIFFERENTIAL PRESSURE AND LS VALVE 344
Testing LS Differential Pressure 344
Adjusting LS Valve 345
SOLENOID VALVE OUTPUT PRESSURE 346
PPC VALVE OUTPUT PRESSURE 348
PLAY OF WORK EQUIPMENT AND SWING PPC VALVES 350
PARTS WHICH CAUSE HYDRAULIC DRIFT OF WORK EQUIPMENT 352
TRAVEL DEVIATION 354
Inspection 354
Adjusting 355
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT 356
OIL LEAKAGE 358
Bleeding Air from Each Part 362
MIRRORS 364
SPECIAL FUNCTIONS OF MACHINE MONITOR 366
Upper Section of Machine Monitor (Display Section) 367
Upper Section of Machine Monitor (Switch Section) 367
Lower Section of Machine Monitor (Switch Section) 367
Ordinary and Special Functions of Machine Monitor 368
Operator Mode (Outline) 369
Service Mode 382
HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER 420
PREPARATION WORK FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM 421
Machine Monitor 421
Engine Controller 422
Pump Controller 422
KOMTRAX Communication Module 423
Engine Ne Speed Sensor (Crank Sensor) 423
Engine Bkup Speed Sensor (Cam Sensor) 423
Engine Oil Pressure Switch (Oil Pressure Switch) 423
Boost Pressure and Temperature Sensor (Boost Press and Imt) 424
Supply Pump IMV Solenoid (Fuel Regulator) 424
Common Rail Pressure Sensor (Fuel Rail Press) 425
Engine Coolant Temperature Sensor (Coolant Temp) 425
PROCEDURE FOR TESTING DIODES 426
When Using Digital Circuit Tester 426
When Using Analog Circuit Tester 427
PM CLINIC SERVICE 428
Max range of engine coolant temperature gauge Max range of hydraulic oil temperature gauge 428
Check sheet (PC88MR-8) 429
Engine 429
Work equipment speed 429
Hydraulic drift of work equipment 429
Hydraulic circuit 430
* Gauge changing work: Change hoses of gauges [3] and [4] 430
* Gauge changing work: Change [3] and [4] to 60K and change hoses of [3], [4], and [5] 431
40 TROUBLESHOOTING 433
GENERAL INFORMATION ON TROUBLESHOOTING 438
Points to Remember When Troubleshooting 438
Sequence of Events in Troubleshooting 440
Checks Before Troubleshooting 441
Classification and Procedures for Troubleshooting 442
Procedure for Troubleshooting 442
Phenomena Looking Like Troubles and Troubleshooting Nos 444
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS 447
T-ADAPTER TABLE 470
FAILURE CODE TABLE 474
FUSE LOCATIONS 476
TROUBLESHOOTING BY FAILURE CODE 479
Failure Code [989L00] Engine Controller Lock Caution 1 479
Failure Code [989M00] Engine Controller Lock Caution 2 480
Failure Code [989N00] Engine Controller Lock Caution 3 481
Failure Code [AB00KE] Charge Voltage Low 482
Failure Code [B@BAZG] Eng Oil Press Low 484
Failure Code [B@BCNS] Eng Coolant Overheat 484
Failure Code [B@HANS] Hyd Oil Overheat 485
Failure Code [CA111] ECM Critical Internal Failure 486
Failure Code [CA115] Eng Ne and Bkup Speed Sensor Error 489
Failure Code [CA122] Charge Air Press Sensor High Error 490
Failure Code [CA123] Charge Air Press Sensor Low Error 492
Failure Code [CA131] Throttle Sensor High Error 494
Failure Code [CA132] Throttle Sensor Low Error 496
Failure Code [CA144] Coolant Temp Sensor High Error 498
Failure Code [CA145] Coolant Temp Sensor Low Error 500
Failure Code [CA153] Charge Air Temp Sensor High Error 502
Failure Code [CA154] Charge Air Temp Sensor Low Error 504
Failure Code [CA187] Sensor Sup 2 Volt Low Error 505
Failure Code [CA221] Ambient Air Press Sensor High Error 506
Failure Code [CA227] Sensor Sup 2 Volt High Error 509
Failure Code [CA234] Eng Overspeed 510
Failure Code [CA238] Ne Speed Sensor Sup Volt Error 512
Failure Code [CA272] IMV/PCV1 Open Error 516
Failure Code [CA322] Injector #1 (L #1) System Open/Short Error 518
Failure Code [CA324] Injector #3 (L #3) System Open/Short Error 520
Failure Code [CA331] Injector #2 (L #2) System Open/Short Error 522
Failure Code [CA332] Injector #4 (L #4) System Open/Short Error 524
Failure Code [CA351] Inj Drive Circuit Error 526
Failure Code [CA352] Sensor Sup 1 Volt Low Error 529
Failure Code [CA386] Sensor Sup 1 Volt High Error 530
Failure Code [CA435] Abnormality in Engine Oil Pressure Switch 532
Failure Code [CA441] Battery Voltage Low Error 533
Failure Code [CA442] Battery Voltage High Error 534
Failure Code [CA449] Rail Press Very High Error 535
Failure Code [CA451] Rail Press Sensor High Error 536
Failure Code [CA452] Rail Press Sensor Low Error 538
Failure Code [CA553] Rail Press High Error 538
Failure Code [CA559] Rail Press Low Error 539
Failure Code [CA731] Eng Bkup Speed Sensor Phase Error 544
Failure Code [CA757] All Persistent Data Lost Error 545
Failure Code [CA778] Eng Bkup Speed Sensor Error 546
Failure Code [CA1633] KOMNET Datalink Timeout Error 548
Failure Code [CA2185] Throttle Sens Sup Volt High Error 550
Failure Code [CA2186] Throttle Sens Sup Volt Low Error 552
Failure Code [CA2249] Rail Press Very Low Error 553
Failure Code [CA2311] Abnormality in IMV Solenoid 554
Failure Code [D110KB] Battery Relay Drive Short 556
Failure Code [D19JKZ] Personal Code Relay Abnormality 558
Failure Code [D862KA] GPS Antenna Discon 560
Failure Code [DA22KK] Pump Solenoid Power Low Error 562
Failure Code [DA25KP] 5 V Sensor 1 Power Abnormality 564
Failure Code [DA26KP] 5 V Sensor 2 Power Abnormality 567
Failure Code [DA2RMC] CAN Discon (Pump Controller Detected) 568
Failure Code [DAFGMC] GPS Module Error 570
Failure Code [DAFRMC] CAN Discon (Monitor Detected) 572
Failure Code [DFB1KZ] Service Lever Pot 1 Abnormality 574
Failure Code [DFB2KZ] Service Lever Pot 2 Abnormality 576
Failure Code [DFB3L8] Service Lever 1 Potentio Error 578
Failure Code [DFB4L8] Service Lever 2 Potentio Error 580
Failure Code [DFB5KZ] Service Lever sPot 1 Abnormality 582
Failure Code [DFB6KZ] Service Lever sPot 2 Abnormality 584
Failure Code [DGH2KB] Hydr Oil Sensor Short 586
Failure Code [DHPAMA] Pump Press Sensor Abnormality 588
Failure Code [DHS5KX] Travel PPC Sensor Abnormality 590
Failure Code [DHSAMA] Swing RH PPC Press Sensor Abnormality 592
Failure Code [DHSBMA] Swing LH PPC Press Sensor Abnormality 594
Failure Code [DHX1MA] Overload Sensor Abnormality 596
Failure Code [DV20KB] Travel Alarm Short Circuit 598
Failure Code [DW43KA] Travel Speed Sol Discon 600
Failure Code [DW43KB] Travel Speed Sol Short 601
Failure Code [DW45KA] Swing Brake Sol Discon 602
Failure Code [DW45KB] Swing Brake Sol Short 604
Failure Code [DWJ0KA] Merge-Divider Sol Discon 606
Failure Code [DWJ0KB] Merge-Divider Sol Short 607
Failure Code [DXA8KA] PC-EPC Sol Discon 608
Failure Code [DXA8KB] PC-EPC Sol Short 610
Failure Code [DXE7KA] Service Current EPC2 Open Circuit 612
Failure Code [DXE7KB] Service Current EPC2 Short Circuit 614
Failure Code [DXE8KA] Service Current EPC3 Open Circuit 616
Failure Code [DXE8KB] Service Current EPC3 Short Circuit 618
Failure Code [DXE9KA] Service Current EPC4 Open Circuit 620
Failure Code [DXE9KB] Service Current EPC4 Short Circuit 622
Failure Code [DXEAKA] Service Current EPC1 Open Circuit 624
Failure Code [DXEAKB] Service Current EPC1 Short Circuit 626
Failure Code [DY20KA] Wiper Working Abnormality 628
Failure Code [DY20MA] Wiper Parking Abnormality 630
Failure Code [DY2CKA] Washer Drive Open Circuit 632
Failure Code [DY2CKB] Washer Drive Short Circuit 634
Failure Code [DY2DKB] Wiper Drive (FWD) Short Circuit 636
Failure Code [DY2EKB] Wiper Drive (REV) Short Circuit 638
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 640
Before Carrying Out Troubleshooting of Electrical System 640
Connection table of fuse box 640
Locations of fusible links 641
Location of fuse box and fuse numbers 641
Information in Troubleshooting Table 642
E-1 When Starting Switch is Turned On, Machine Monitor Displays Nothing 644
E-2 Engine Does Not Start (Engine Does Not Turn) 646
E-3 Preheater Does Not Operate 649
E-5 All Work Equipment, Swing, and Travel Mechanism Does Not Move or Cannot Be Locked 652
E-6 Precaution Lights Up While Engine Is Running 654
E-7 Emergency Stop Item Lights Up While Engine Is Running 657
E-8 Engine Coolant Temperature Gauge Does Not Indicate Normally 658
E-9 Hydraulic oil temperature gauge does not indicate normally 660
E-10 Fuel Level Gauge Does Not Indicate Normally 663
E-11 Contents of Display by Machine Monitor are Different From Applicable Machine 665
E-12 Machine Monitor Does Not Display Some Items 665
E-13 Function Switch Does Not Work 665
E-14 Auto-decelerator Does Not Operate Normally 666
E-15 Working Mode Does Not Change 667
E-16 Travel Speed Does Not Change 668
E-17 Alarm Buzzer Cannot Be Stopped 669
E-18 Windshield Wiper And Window Washer Do Not Operate 670
E-19 Swing Holding Brake Does Not Operate Normally 674
E-20 Travel Alarm Does Not Sound Or Does Not Stop Sounding 676
E-21 Air Conditioner Does Not Operate Normally (Including Air Conditioner Abnormality Record) 677
E-22 While Starting Switch is in Off Position, Service Meter is not Displayed 690
E-25 Komtrax System Does Not Operate Normally 712
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H-MODE) 715
Information Contained in Troubleshooting Table 715
System Chart for Hydraulic and Mechanical Systems 717
H-1 Speed or Power of all Work Equipment, Swing, and Travel are Low 719
H-2 Engine Speed Sharply Drops or Engine Stalls 720
H-3 No Work Equipment, Travel and Swing Move 721
H-4 Abnormal Noise is Heard from Around Hydraulic Pump 721
H-5 Fine Control Performance or Response of Work Equipment and Travel is Low 722
H-6 Speed or Power of Boom is Low 723
H-7 Speed or Power of Arm is Low 724
H-8 Speed or Power of Bucket is Low 725
H-9 Speed or Power of Boom Swing is Low 726
H-10 Speed or Power of Blade is Low 727
H-11 Work Equipment Does Not Move in its Single Operation 728
H-12 Hydraulic Drift of Work Equipment is Large 729
H-13 Time Lag of Work Equipment is Large 731
H-14 Work Equipment Loaded More is Slower During Compound Operation 731
H-15 Boom RAISE Speed is Low in Compound Operation of Swing + Boom Raise 731
H-16 Travel Speed Lowers Significantly During Compound Operation of Work Equipment/Swing + Travel 732
H-17 Machine Deviates During Travel 733
H-18 Travel Speed is Low 734
H-19 Machine Cannot be Steered Easily or Steering Power is Low 735
H-20 Travel Speed Does Not Change or it is Kept Low or High 736
H-21 Track Does Not Move (Only Either Side) 736
H-22 Machine Does Not Swing 737
H-23 Swing Acceleration, Swing Speed and Swing Power are Low 739
H-24 Excessive Overrun when Stopping Swing 741
H-25 When Upper Structure Stops Swinging, it Makes Large Shock 742
H-26 When Upper Structure Stops Swinging, it Makes Large Sound 742
H-27 Hydraulic Drift of Swing is Large 743
H-28 Flow Rate in Attachment Circuit Cannot Be Adjusted 744
50 DISASSEMBLY AND ASSEMBLY 745
HOW TO READ THIS MANUAL 750
Removal and Installation of Assemblies 750
Special Tools 750
Removal 750
Installation 750
Disassembly and Assembly of Assemblies 751
Special Tools 751
Disassembly 751
Assembly 752
COATING MATERIALS LIST 754
SPECIAL TOOLS LIST 758
SKETCHES OF SPECIAL TOOLS 762
CONNECTOR REPAIR PROCEDURES 767
Stripping Insulation 767
Wire Inspection 767
Contact Terminal Removal (HD30 Type) 768
Crimping Contact Terminal (HD30 Type) 769
Insertion of Contact Terminal (HD30 Type) 770
Contact Terminal Removal (DT Type) 771
Crimping Contact Terminal (DT Type) 772
Insertion of Contact Terminal (DT Type) 773
ENGINE AND COOLING SYSTEM 774
Fuel Supply Pump Assembly 774
Removal 774
Installation 778
Fuel Injector Assembly 780
Removal 780
Installation 784
Engine Front Seal 786
Removal 786
Installation 787
Engine Rear Seal 788
Removal 788
Installation 790
Cylinder Head Assembly 791
Removal 791
Installation 801
Radiator Assembly 806
Removal 806
Installation 809
Aftercooler Assembly 810
Removal 810
Installation 813
Hydraulic Oil Cooler Assembly 814
Removal 814
Installation 817
Engine and Hydraulic Pump Assembly 818
Removal 818
Installation 830
Fuel Tank Assembly 834
Removal 834
Installation 836
POWER TRAIN 838
Travel Motor and Final Drive Assembly 838
Removal 838
Installation 839
Swing Motor and Swing Machinery Assembly 840
Installation 841
Swing Machinery 842
Disassembly 842
Assembly 848
Swing Circle Assembly 854
Removal 854
Installation 855
UNDERCARRIAGE AND FRAME 856
Track Roller Assembly 856
Disassembly 856
Assembly 858
Idler Assembly 862
Disassembly 862
Assembly 863
Recoil Spring Assembly 866
Disassembly 866
Assembly 868
Track Shoe Assembly 870
Spreading 870
Installation 871
Sprocket 872
Removal 872
Installation 872
Revolving Frame Assembly 874
Removal 874
Installation 876
Counterweight Assembly 878
Removal 878
Installation 883
HYDRAULIC SYSTEM 884
Center Swivel Joint Assembly 884
Removal 884
Installation 885
Disassembly 886
Assembly 887
Hydraulic Tank Assembly 888
Removal 888
Installation 891
Hydraulic Pump Assembly 892
Removal 892
Installation 897
Control Valve Assembly 898
Removal 898
Disassembly 908
Assembly 908
Work Equipment PPC Valve Assembly 916
Disassembly 916
Assembly 916
Travel PPC Valve Assembly 918
Assembly 918
Boom Swing Cylinder Assembly 920
Removal 920
Installation 923
Hydraulic Cylinder Assembly 924
Disassembly 925
Assembly 928
WORK EQUIPMENT 932
Work Equipment Assembly (Machine With Boom Hydraulic Drift Prevention Valve) 932
Removal 932
Installation 935
Boom Swing Bracket 936
Removal 936
Installation 939
Blade Assembly 940
Removal 940
Installation 941
CAB AND ITS ATTACHMENTS 942
Operator Cab Assembly 942
Removal 942
Installation 948
Operator’s Cab Glass (Stuck glass) 950
Removal 951
Installation 952
Front Window Assembly 961
Removal 961
Installation 961
Floor Frame Assembly 962
Removal 962
Installation 969
Air Conditioner Compressor Assembly 970
Removal 970
Installation 971
Air Conditioner Condenser Assembly 972
Removal 972
Installation 972
Air Conditioner Unit Assembly 974
Removal 974
Installation 979
ELECTRICAL SYSTEM 980
Machine Monitor Assembly 980
Removal 980
Installation 981
Pump Controller Assembly 982
Removal 982
Installation 984
Engine Controller Assembly 986
Removal 986
Installation 989
KOMTRAX Terminal Assembly 990
Removal 990
Installation 990
90 DIAGRAMS AND SCHEMATICS 991
HYDRAULIC SYSTEM 993
Hydraulic Circuit Diagram 993
ELECTRICAL SYSTEM 0
Electrical Circuit Diagram (1/6) 0
Electrical Circuit Diagram (2/6) 995
Electrical Circuit Diagram (3/6) 996
Electrical Circuit Diagram (4/6) 997
Electrical Circuit Diagram (5/6) 998
Electrical Circuit Diagram (6/6) 999
Electrical Circuit Diagram for Air Conditioner 1000
Connector List and Stereogram 1001

S.V 15/12/24