Complete workshop repair service manual with electrical wiring diagrams for Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Excavators. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

TOJAG50-EN-00 - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Technical Manual (Operational Principle).pdf
TTJAG50-EN-00 (attach to) - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Electrical Circuit Diagram.pdf
TTJAG50-EN-00 - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Technical Manual (Troubleshooting).pdf
WAG50-EN-00 - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Workshop Manual.pdf

TOTAL PAGES: 1,729
LANGUAGE: ENGLISH
FORMAT: PDF

EXCERPT:
Installation
CAUTION: Lower roller (1) weight:
     ZX470-6/490-6 Class: 80 kg
     ZX530-6 Class: 110 kg
1. Set lower roller (1) on track link (4) by using a forklift.
2. Lower the machine in order to adjust the lower roller (1) mounting position.
3. Fit the bolt (3) holes of track frame (2) and lower roller (1) and fit the matching marks made when removing. Install lower roller (1) with bolts (3) (4 used).
j 32 mm
m 750 N·m
f NOTE:    Install plug (5) with it facing to outside.
...

TOJAG50-EN-00 - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Technical Manual (Operational Principle)...2
  TOJAG50-EN-00...2
  CONTENTS...4
  INTRODUCTION...10
  SYMBOL AND ABBREVIATION...12
  SECTION AND GROUP CONTENTS...14
  SECTION 1GENERAL...16
    Group 1 Specifications...18
      Specifications ZX470-6, 470LC-6...18
      Working Ranges ZX470-6, 470LC-6...19
      Specifications ZX490H-6, 490LCH-6...20
      Working Ranges ZX490H-6, 490LCH-6...21
      Specifications ZX530LCH-6...22
      Working Ranges ZX530LCH-6...23
    Group 2 Component Layout...24
      Main Component...24
      Electrical System (Overview)...26
      Electrical System (Rear Tray)...27
      Electrical System (Switch Panel)...28
      Electrical System (Cab Behind Side)...29
      Engine 1...31
      Engine 2...32
      Aftertreatment Device...33
      Pump Device...34
      Control Valve...35
      DEF Tank...36
      Expansion Tank...36
      Check Valve...37
      Signal Control Valve...37
      4-Spool Solenoid Valve Unit...40
      2-Spool Solenoid Valve Unit...40
      Fan Valve...40
      Layout of Attachment Spec. Parts (Hydraulic System)...41
    Group 3 Component Specifications...46
      Engine...46
      Engine Accessories...50
      Hydraulic Component...52
      Electrical Component...56
  SECTION 2SYSTEM...60
    Group 1 Controller...62
      Outline...62
      CAN Circuit...63
    Group 2 Control System...66
      Outline...66
      Engine Control...69
      Pump Control...99
      Valve Control (Standard)...127
      Other Control...159
    Group 3 Engine System...172
      Outline...172
      ECM System...173
      Fuel Injection Control...175
      Fuel Injection Amount Correction Control...183
      EGR Control...185
      Preheating Control...187
      Variable Turbocharger Control...188
      Alarm Control...189
      Urea SCR System...190
      Engine Output Restriction Control (INDUCEMENT)...201
      Aftertreatment Device...205
      Aftertreatment Device Regeneration Control...207
    Group 4 Hydraulic System...210
      Outline...210
      Pilot Circuit...211
      Main Circuit...227
      Breaker/Pulverizer/Crusher Circuit (Optional)...253
    Group 5 Electrical System...262
      Outline...262
      Main Circuit...263
      Electric Power Circuit (Key Switch: OFF)...265
      CAN Circuit...267
      Accessory Circuit (Key Switch: ACC)...269
      Starting Circuit (Key Switch: START)...271
      Charging Circuit (Key Switch: ON)...273
      Surge Voltage Prevention Circuit...277
      Pilot Shut-Off Circuit (Key Switch: ON)...279
      Auto Shut-Down Circuit/Automatic Engine Stop Circuit at Low Temperature...281
      Engine Stop Circuit...283
      Monitor Circuit...286
      Security Circuit...287
      Radio Circuit...289
      Air Conditioner Circuit...289
      Accessory Circuit...292
      Work Light Circuit...293
      Wiper/Washer Circuit...295
      Cab Light Circuit...297
  SECTION 3COMPONENT OPERATION...302
    Group 1 Pump Device...304
      Outline...304
      Main Pump...305
      Regulator...307
      Pump Control Solenoid Valve...315
      Fan Pump...317
      Fan Pump Flow Rate Control...319
      Pilot Pump...321
      Pump Delivery Pressure Sensor...321
      Pump Control Pressure Sensor...321
    Group 2 Swing Device...322
      Outline...322
      Swing Reduction Gear...323
      Swing Motor...324
      Swing Parking Brake...325
      Valve Unit...327
    Group 3 Control Valve...330
      Outline...330
      Hydraulic Circuit...347
      Flow Combiner Valve...353
      Main Relief valve...355
      Overload Relief Valve (with Make-Up Function)...359
      Boom Overload Relief Valve (Low Pressure)...365
      Regenerative Valve...367
      Anti-Drift Valve...371
      Flow Rate Control Valve...375
      Boom Lower Meter-In Cut Valve...383
      Bypass Shut-Out Valve...385
      Auxiliary Flow Combiner Valve...389
    Group 4 Pilot Valve...392
      Outline...392
      Operation (Front Attachment/Swing and Travel Pilot Valves)...394
      Operation (Auxiliary, Counterweight Removal/Installation Pilot Valves)...402
      Shockless Function (Only for Travel Pilot Valve)...407
    Group 5 Travel Device...408
      Outline...408
      Travel Reduction Gear...409
      Travel Motor...411
      Parking Brake...413
      Travel Brake Valve...415
      Overload Relief Valve...419
      Travel Mode Control...421
    Group 6 Signal Control Valve...426
      Outline...426
      Pilot Port...427
      Shuttle Valve...431
      Shockless Valve...435
      Pump 1 and Pump 2 Flow Rate Control Valves...439
      Arm Flow Rate Control Valve Control Spool, Flow Combiner Valve Control Spool, Swing Parking Brake Release Spool...441
    Group 7 Others (Upperstructure)...442
      Pilot Shut-Off Solenoid Valve...442
      Solenoid Valve...444
      Hose Rupture Valve (Optional)...447
      Fan Motor...451
      Fan Valve...452
      Pilot Relief Valve...458
      Shockless Valve...459
      Accumulator (Pilot Circuit)...461
      Accumulator (Attachment Circuit) (Optional)...462
      Selector Valve (Optional)...463
      Distribution Valve...465
    Group 8 Others (Undercarriage)...468
      Swing Bearing...468
      Centerjoint...469
      Track Adjuster...470
  SERVICE MANUAL REVISION REQUEST FORM...474
TTJAG50-EN-00 (attach to) - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Electrical Circuit Diagram...476
  ELECTRICAL CIRCUIT DIAGRAM...476
  AIR CONDITIONER CIRCUIT DIAGRAM...477
  CONNECTORS...478
  CAB HARNESS...479
  MAIN HARNESS...480
  ENGINE HARNESS...481
  PUMP HARNESS...482
  CONTROL VALVE HARNESS...483
  NOx HARNESS...484
  EXPANSION TANK SUB HARNESS...485
  DEF SENSOR UNIT HARNESS...486
  MONITOR HARNESS...487
  KEY SWITCH HARNESS...488
  MANUAL REGENERATION SWITCH HARNESS...489
  OIL COOLER FAN REVERSE ROTATION SWITCH HARNESS...490
  ENGINE STOP SWITCH HARNESS...491
  FLOOR EARTH HARNESS...492
  PILOT SHUT-OFF SOLENOID VALVE HARNESS...493
  STARTER HARNESS...494
  GSM (MOBILE COMMUNICATION TERMINAL) HARNESS...495
  SATELLITE COMMUNICATION HARNESS...496
  AUTO LUBRICATION HARNESS...497
  AUTO LUBRICATION ON/OFF SWITCH HARNESS...498
  REARVIEW CAMERA HARNESS...499
  COUNTERWEIGHT REMOVAL SWITCH HARNESS (OPTION)...500
  BOOM MODE SWITCH AND SEAT HEATER SWITCH HARNESS (OPTION)...501
  BREAKER HARNESS (OPTION)...502
  WORK LIGHT (ON THE CAB ROOF) HARNESS 1 (OPTION)...503
  WORK LIGHT (ON THE CAB ROOF) HARNESS 2 (OPTION)...504
  ADDITIONAL WORK LIGHT (ON THE CAB ROOF) HARNESS (OPTION)...505
  HYDRAULIC CIRCUIT DIAGRAM (STANDARD)...506
  HYDRAULIC CIRCUIT DIAGRAM (OPTIONAL)...507
  HYDRAULIC CIRCUIT DIAGRAM (WITH HOSE RUPTURE VALVE)(OPTIONAL...508
  HYDRAULIC CIRCUIT DIAGRAM (WITH COUNTERWEIGHT REMOVAL AND INSTALLATION DEVICE)(OPTIONAL)...509
TTJAG50-EN-00 - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Technical Manual (Troubleshooting)...510
  TTJAG50-EN-00...510
  CONTENTS...512
  INTRODUCTION...516
  SYMBOL AND ABBREVIATION...518
  SAFETY...520
  SECTION AND GROUP CONTENTS...562
  SECTION 4 OPERATIONAL PERFORMANCE TEST...564
    Group 1 Introduction...566
      Operational Performance Tests...566
      Preparation for Performance Tests...567
    Group 2 Standard...568
      Operational Performance Standard Table...568
      Main Pump P-Q Diagram...572
      Fan Pump P-Q Diagram...573
      Sensor Activating Range...574
      MPDR. Monitor Indicating Values (MC)...575
      MPDr. Monitor Indicating Values (ECM)...581
    Group 3 Engine Test...582
      Engine Speed...582
      Lubricant Consumption...585
    Group 4 Machine Performance Test...586
      Travel Speed...586
      Track Revolution Speed...587
      Mistrack Check...588
      Travel Parking Leakage...589
      Swing Speed...590
      Swing Function Drift Check...591
      Swing Motor Leakage...593
      Maximum Swingable Slant Angle...595
      Swing Bearing Play...597
      Hydraulic Cylinder Cycle Time...599
      Dig Function Drift Check...601
      Control Lever Operating Force...604
      Control Lever Stroke...605
      Combined Operation of Boom Raise and Swing Function Check...606
    Group 5 Component Test...608
      Primary Pilot Pressure...608
      Secondary Pilot Pressure...610
      4-Spool Solenoid Valve Set Pressure...611
      2-Spool Solenoid Valve Set Pressure...612
      Main Pump Delivery Pressure...614
      Fan Pump Delivery Pressure...615
      Main Relief Valve Set Pressure...616
      Overload Relief Valve Set Pressure...622
      Main Pump Flow Rate Measurement...625
      Fan Pump Flow Rate Measurement...631
      Swing Motor Drainage...637
      Travel Motor Drainage...639
    Group 6 Adjustment...642
      Pump Learning...642
      Torque Adjustment...643
      Connection...644
      Rewrite of Aftertreatment Device Serial No...646
      How to Clear Fault Code...647
      Procedure after Replacing DCU and ECM...648
      Air Bleeding from the Diesel Exhaust Fluid Defrosting Piping...649
      How to Check Manual Regeneration Switch...650
      Remedy at DEF Pressure Decrease...651
      Remedy at DEF Abnormal Quality...653
      Clean DEF Tank...655
      Remedy When Mixing Oil DEF Tank...656
  SECTION 5 TROUBLESHOOTING...660
    Group 1 Diagnosing Procedure...662
      Introduction...662
      Diagnosis Procedure...663
      Electrical System Inspection...666
      Precautions for Inspection and Maintenance...667
      Instructions for Disconnecting Connectors...669
      Fuse Inspection...671
      Fusible Link Inspection...674
      Battery Voltage Check...675
      Alternator Check...676
      Continuity Check...677
      Voltage and Current Measurement...679
      Check by False Signal...686
      Test Wire Harness...687
    Group 2 Monitor...690
      Outline...690
      Operating Procedures of Service Menu...691
      Setting Menu...660
      Inspection of Engine Oil Level, Coolant Level,Hour Meter, and Fuel Gauge...729
      Fuel Gauge, Coolant Temperature Gauge,DEF/AdBlue Gauge...730
    Group 3 e-Service...732
      Outline...732
      List of Operation Data...733
      Communication System...735
    Group 4 Component Layout...736
      Main Component...736
      Electrical System (Overview)...738
      Electrical System (Rear Tray)...739
      Electrical System (Switch Panel)...740
      Electrical System (Cab Behind Side)...741
      Engine 1...743
      Engine 2...744
      Aftertreatment Device...745
      Pump Device...746
      Control Valve...747
      DEF Tank...748
      Expansion Tank...748
      Check Valve...749
      Signal Control Valve...749
      Swing Device...751
      Travel Device...751
      4-Spool Solenoid Valve Unit...752
      Fan Valve...752
      2-Spool Solenoid Valve Unit...752
      Layout of Attachment Spec. Parts(Hydraulic System)...753
      Layout of Control Valve...757
      Pilot Port (Signal Control Valve)...773
      Layout of Connector...777
      Port Layout of Control Valve (Main Circuit)...787
      Port Layout of Control Valve (Pilot Circuit)...789
    Group 5 Troubleshooting A...792
      Troubleshooting A (Base Machine DiagnosisBy Using Fault Codes) Procedure...792
      MC Fault Code List...794
      ECM Fault Code List...816
      DCU Fault Code List...830
      Monitor Controller (Monitor) Fault Code List...837
      Air Conditioner Controller Fault Code List...841
      Communication Terminal Fault Code List...842
      MC Fault Codes 11000 to 11002...844
      MC Fault Code 11003...845
      MC Fault Codes 11004, 11006, 11007,11009Monitor Controller (Monitor)Fault Codes 13002, 13003, 13005...847
      CAN0 Harness Check...848
      ISO-CAN (Engine) Harness Check...851
      MC Fault Codes 11005, 11008, 11010Monitor Controller (Monitor)Fault Codes 13004, 13006, 13007...854
      CAN1 Harness Check...855
      MC Fault Code 11100...858
      MC Fault Code 11101...859
      MC Fault Codes 11200, 11202...860
      MC Fault Codes 11992, 11994...861
      MC Fault Codes 11301 to 11303...862
      MC Fault Codes 11304, 11325...863
      MC Fault Codes 11995, 11997, 11998...864
      MC Fault Codes 11942 to 11944...865
      MC Fault Codes 11945, 11978, 11979...866
      MC Fault Code 11990...867
      MC Fault Code 11405...868
      MC Fault Code 11408...869
      MC Fault Code 11412...870
      MC Fault Code 11428...871
      MC Fault Code 11948...872
      MC Fault Code 11950...873
      MC Fault Code 11951...874
      MC Fault Code 11952...875
      MC Fault Code 11953...876
      MC Fault Code 11981...877
      MC Fault Code 11982...878
      MC Fault Code 11989...879
      MC Fault Code 11802...880
      MC Fault Code 11901...881
      MC Fault Codes 11910, 11911, 11914,11918, 11920...882
      MC Fault Code 11946...883
      MC Fault Code 11947...884
      MC Fault Codes 11971, 11972...885
      MC Fault Codes 11974, 11975...886
      MC Fault Codes 11983, 11984...887
      MC Fault Codes 11985, 11986...888
      MC Fault Codes 20000, 20003, 20005, 20006,20008...889
      MC Fault Codes 20009, 20010, 20062...890
      Monitor Controller (Information)Fault Codes 13304, 13310...891
      Monitor Controller (Information)Fault Code 13311...892
      Monitor Controller (Information)Fault Codes 20100 to 20107, 20114...893
      Monitor Controller (Information)Fault Codes 20109, 20110, 20113, 20133, 20141,20142, 20145, 20146, 20149...894
      Air Conditioner Controller Fault Codes11 to 22...895
      Air Conditioner Controller Fault Codes43 to 92...896
    Group 6 Troubleshooting B...898
      Troubleshooting B (Machine Diagnosis byUsing Trouble Symptom) Procedure...898
      Relationship between Machine TroubleSymptoms and Related Parts...900
      Correlation between Trouble Symptoms andPart Failures...928
      Engine System Troubleshooting...946
      All Actuator System Troubleshooting...953
      Front Attachment System Troubleshooting...960
      Swing System Troubleshooting...973
      Travel System Troubleshooting...976
      Other System Troubleshooting...980
      Exchange Inspection...987
      Emergency Boom Lowering Procedure...990
    Group 7 Air Conditioner...992
      Outline...992
      Functions of Main Parts...995
      Troubleshooting...1000
      Air Conditioner Controller Fault Code List...1001
      Air Conditioner Controller Fault Codes 11 to 22...1002
      Air Conditioner Controller Fault Codes 43 to 92...1003
      Work after Replacing Components...1025
      Refill Compressor Oil...1026
      Charge Air Conditioner with Refrigerant...1027
      Hose and Pipe Tightening Torque...1035
  SERVICE MANUAL REVISION REQUEST FORM...1038
  The Attached Diagram List...1039
WAG50-EN-00 - Hitachi ZX470-6, ZX470LC-6, ZX490H-6, ZX490LCH-6, ZX490R-6, ZX490LCR-6, ZX530LCH-6 Hydraulic Excavator Workshop Manual...1040
  WJAG50-EN-00...1040
    CONTENTS...1042
      SECTION 1 GENERAL...1042
      SECTION 2 ...1044
      SECTION 3 ...1046
      SECTION 4 ...1048
      SECTION 5 ...1050
    INTRODUCTION...1052
      To The Reader...1052
      Additional References...1052
      Manual Composition...1052
      Page Number...1052
      Trademark...1052
      Safety Alert Symbol and Headline Notations...1053
      Units Used...1053
    SYMBOL AND ABBREVIATION...1054
    SAFETY...1056
      Recognize Safety Information...1056
      Understand Signal Words...1056
      Follow Safety Instructions...1057
      Prepare for Emergencies...1058
      Wear Protective Clothing...1058
      Protect Against Noise...1059
      Inspect Machine...1059
      General Precautions for the Cab...1060
      Use Handholds and Steps...1061
      Adjust the Operator's Seat...1061
      Ensure Safety Before Rising from or Leaving Operator’s Seat...1062
      Fasten Your Seat Belt...1062
      Move and Operate Machine Safely...1063
      Operate Only from Operator's Seat...1063
      Jump Starting...1064
      Keep Riders off Machine...1064
      Precautions for Operations...1065
      Investigate Job Site Beforehand...1066
      Install OPG Guard...1067
      Restriction of Attachment Installation...1067
      Provide Signals for Jobs Involving Multiple Machines...1068
      Confirm Direction of Machine to Be Driven...1068
      Drive Machine Safely...1069
      Avoid Injury from Rollaway Accidents...1071
      Avoid Injury from Back-Over and Swing Accidents...1072
      Keep People Clear from Working Area...1073
      Never Position the Bucket Over Anyone...1073
      Avoid Undercutting...1074
      Avoid Tipping...1074
      Never Undercut a High Bank...1075
      Dig with Caution...1075
      Operate with Caution...1075
      Avoid Power Lines...1076
      Precautions for Lightning...1076
      Object Handling...1077
      Protect Against Flying Debris...1077
      Park Machine Safely...1078
      Handle Fluids Safely−Avoid Fires...1078
      Transport Safely...1079
      Practice Safe Maintenance...1080
      Warn Others of Service Work...1081
      Support Machine Properly...1081
      Stay Clear of Moving Parts...1082
      Prevent Parts from Flying...1082
      Avoid Injury from Attachment Falling Accident...1083
      Prevent Burns...1083
      Replace Rubber Hoses Periodically...1084
      Avoid High-Pressure Fluids...1084
      Prevent Fires...1085
      Evacuating in Case of Fire...1087
      Beware of Exhaust Fumes...1087
      Precautions for Welding and Grinding...1088
      Avoid Heating Near Pressurized Fluid Lines...1089
      Avoid Applying Heat to Lines Containing Flammable Fluids...1089
      Precautions for Handling Accumulator and Gas Damper...1089
      Remove Paint Before Welding or Heating...1090
      Beware of Asbestos and Silica Dust and Other Contamination...1090
      Prevent Battery Explosions...1091
      Service Air Conditioning System Safely...1091
      Handle Chemical Products Safely...1092
      Dispose of Waste Properly...1092
      Never Ride Attachment...1093
      Notes on Aftertreatment Device...1093
      Precautions for Communication Terminal...1093
      Precautions for Communication Terminal Equipment...1094
      Notes on Protection of Operator’s Station when the Machine Rolls Over...1096
      Before Returning the Machine to the Customer...1097
    SECTION AND GROUP CONTENTS...1098
    SECTION 1 GENERAL...1102
      Group 1 Precautions for Disassembling and Assembling...1104
        Precautions for Disassembling and Assembling...1104
      Group 2 Tightening...1110
        Tightening Bolts and Nuts...1110
        Piping Joint...1113
      Group 3 Painting...1120
        Painting...1120
      Group 4 Bleeding Air...1122
        Bleeding Air from Hydraulic System...1122
        Bleeding Air from Fuel System...1123
        Air Bleeding from the Diesel Exhaust Fluid Defrosting Piping...1125
      Group 5 Preparation...1126
        Preparation before Inspection and Maintenance...1126
        Hydraulic Circuit Pressure Release Procedure...1128
        Pressure Release from Hydraulic Oil Tank...1129
        Pressure Release from Expansion Tank...1130
    SECTION 2 MAINTENANCE STANDARD...1134
      Group 1 Upperstructure...1136
        Pump Device...1136
        Swing Motor...1140
      Group 2 Undercarriage...1144
        Travel Motor...1144
        Sprocket...1146
        Center Joint...1148
        Front Idler...1150
        Upper Roller...1152
        Lower Roller...1153
        Track...1154
      Group 3 Front Attachment...1158
        Pin and Bushing...1158
        Side Cutter...1160
        Point (4512365)...1161
        Standard Dimensions for Arm and Bucket Connection...1162
        Standard Dimensions for Arm and Boom Connection...1163
        Cylinder...1164
    SECTION 3 UPPERSTRUCTURE...1168
      Group 1 Cab...1170
        Removal and Installation of Cab...1170
        Dimensions of Cab Glass (Standard Cab)...1198
        Dimensions of Cab Glass (H Cab)...1217
      Group 2 Counterweight...1220
        Removal and Installation of Counterweight...1220
      Group 3 Main Frame...1226
        Removal and Installation of Main Frame...1226
      Group 4 Engine...1236
        Removal and Installation of Engine...1236
      Group 8 Pump Device...1268
        Removal and Installation of Pump Device...1268
        Disassembly of Main Pump...1288
        Assembly of Main Pump...1293
        Disassembly of Regulator for Main Pump...1300
        Assembly of Regulator for Main Pump...1302
        Disassembly of Fan Pump...1306
        Assembly of Fan Pump...1310
        Structure of Pilot Pump...1314
      Group 9 Control Valve...1316
        Removal and Installation of Control Valve...1316
        Disassembly and Assembly of Housing...1330
        Disassembly of Control Valve 4-Spool Side...1334
        Assembly of Control Valve 4-Spool Side...1342
        Disassembly of Control Valve 5-Spool Side...1350
        Assembly of Control Valve 5-Spool Side...1357
      Group 10 Swing Device...1364
        Removal and Installation of Swing Device...1364
        Disassembly of Swing Device...1368
        Assembly of Swing Device...1374
        Disassembly of Swing Motor...1380
        Assembly of Swing Motor...1383
      Group 11 Pilot Valve...1388
        Removal and Installation of Pilot Valve (Left)...1388
        Removal and Installation of Pilot Valve (Right)...1400
        Removal and Installation of Travel Pilot Valve...1416
        Disassembly of Pilot Valves (Right and Left)...1420
        Assembly of Pilot Valves (Right and Left)...1423
        Disassembly of Travel Pilot Valve...1426
        Assembly of Travel Pilot Valve...1430
      Group 12 Solenoid Valve...1436
        Removal and Installation of Pilot Shut-Off Solenoid Valve...1436
        Removal and Installation of 4-Spool Solenoid Valve Unit...1440
        Removal and Installation of 2-Spool Solenoid Valve Unit...1444
        Removal and Installation of Fan Pump Control Solenoid Valve...1448
        Disassembly of Pilot Shut-Off Solenoid Valve...1452
        Assembly of Pilot Shut-Off Solenoid Valve...1454
        Structure of 4-Spool Solenoid Valve Unit...1456
        Structure of 2-Spool Solenoid Valve Unit...1458
        Structure of Fan Pump Control Solenoid Valve...1460
      Group 13 Signal Control Valve...1462
        Removal and Installation of Signal Control Valve...1462
        Structure of Signal Control Valve...1468
      Group 14 Aftertreatment Device...1472
        Removal and Installation of Aftertreatment Device...1472
      Group 15 DEF Tank...1480
        Removal and Installation of DEF Tank...1480
      Group 16 Coolant Control Valve...1496
        Removal and Installation of Coolant Control Valve...1496
      Group 17 DEF Supply Module...1502
        Removal and Installation of DEF Supply Module...1502
      Group 19 Fan Valve...1506
        Removal and Installation of Fan Valve...1506
        Structure of Fan Valve...1540
      Group 20 Fan Motor...1542
        Removal and Installation of Fan Motor...1542
        Structure of Fan Motor...1550
      Group 21 Shockless Valve...1552
        Removal and Installation of Shockless Valve...1552
        Structure of Shockless Valve...1554
    SECTION 4 UNDERCARRIAGE...1558
      Group 1 Swing Bearing...1560
        Removal and Installation of Swing Bearing...1560
        Disassembly of Swing Bearing...1564
        Assembly of Swing Bearing...1567
      Group 2 Travel Device...1570
        Removal and Installation of Travel Device...1570
        Disassembly of Travel Device...1574
        Assembly of Travel Device...1581
        Disassembly of Travel Motor...1590
        Assembly of Travel Motor...1594
        Disassembly of Brake Valve...1600
        Assembly of Brake Valve...1603
      Group 3 Center Joint...1608
        Removal and Installation of Center Joint...1608
        Disassembly of Center Joint...1612
        Assembly of Center Joint...1614
        Replacement of Body and Spindle...1617
      Group 4 Track Adjuster...1618
        Removal and Installation of Track Adjuster...1618
        Disassembly of Track Adjuster...1620
        Assembly of Track Adjuster...1625
      Group 5 Front Idler...1630
        Removal and Installation of Front Idler...1630
        Disassembly of Front Idler...1632
        Assembly of Front Idler...1635
      Group 6 Upper and Lower Rollers...1640
        Removal and Installation of Upper Roller...1640
        Removal and Installation of Lower Roller...1644
        Disassembly of Lower Roller...1650
        Assembly of Lower Roller...1652
      Group 7 Track...1656
        Removal and Installation of Track...1656
    SECTION 5 FRONT ATTACHMENT...1672
      Group 1 Front Attachment...1674
        Removal and Installation of Front Attachment...1674
        Removal and Installation of Bushing...1680
      Group 2 Cylinder...1682
        Removal and Installation of Boom Cylinder...1682
        Removal and Installation of Arm Cylinder...1690
        Removal and Installation of Bucket Cylinder...1698
        Disassembly of Boom, Arm, and Bucket Cylinders...1702
        Assembly of Boom, Arm, and Bucket Cylinders...1708
      Group 3 Hose Rupture Valve...1714
        Removal and Installation of Hose Rupture Valve for Boom Cylinder...1714
        Removal and Installation of Hose Rupture Valve for Arm Cylinder...1718
        Structure of Hose Rupture Valve for Boom Cylinder...1722
        Structure of Hose Rupture Valve for Arm Cylinder (Bottom Side)...1724
        Structure of Hose Rupture Valve for Arm Cylinder (Rod Side)...1726
    SERVICE MANUAL REVISION REQUEST FORM...1730