Hitachi LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 Wheel Loader Workshop+Technical+Parts Catalog+Electrical & Hydraulic Circuit Manual – PDF Download

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Hitachi LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 Wheel Loader Workshop+Technical+Parts Catalog+Electrical & Hydraulic Circuit Manual

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Hitachi LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 Wheel Loader Workshop+Technical+Parts Catalog+Electrical & Hydraulic Circuit Manual

This Manual Includes:

• Hitachi LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 Wheel Loader Workshop Manual
• Hitachi LX110-7 Wheel Loader Technical Manual
• Hitachi LX110-7 Wheel Loader Parts Catalog Manual
• Hitachi LX110-7 Electrical Circuit Diagram
• Hitachi LX110-7 Hydraulic Circuit Diagram

HITACHI LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 WHEEL LOADER WORKSHOP+TECHNICAL+PARTS CATALOG+ELECTRICAL & HYDRAULIC CIRCUIT MANUAL – PDF DOWNLOAD:

SCREENSHOTS OF THE MANUAL:

DESCRIPTION:

Hitachi LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 Wheel Loader Workshop+Technical+Parts Catalog+Electrical & Hydraulic Circuit Manual

• With our persistent technological researches and various experiences, we have been developed products of superlative quality which have been satisfied our users.
• To use the machines safely with its full performance for a long time, proper handling and periodical inspections/maintenance are essential. This manual describes mainly disassembly, inspection, assembly and adjustment of the main components and systems of the wheel loaders.
• For the structure and the principle of operation, refer to the service manual. We hope this manual will be your good companion in your servicing jobs.
• The values and descriptions given in this manual are subject to change owing to change of design or some other reason.
• For operating the machine safely, it is important to securely perform periodical inspection and maintenance. For enhancing the safety further more, it is required to periodically replace parts which are playing especially important roles from the point of view of safety.
• As the time passes, such parts can change in the properties or be easily damaged or deteriorated. In normal inspection and maintenance, it is difficult to judge the degree of deterioration in the quality of such parts.
• Accordingly, even if no abnormality is detected in the appearance, such parts should be replaced with new ones after they have been used for a specified period. If any abnormality is detected in such parts, they should be repaired or replaced in the same way as other parts even if the replacement timing has not come.

TABLE OF CONTENTS:

Hitachi LX110-7 LX130-7 LX160-7 LX190-7 LX230-7 Wheel Loader Workshop Manual

COVER……………………………………………………………………………………………………………. 1
IMPORTANT SAFETY NOTICE……………………………………………………………………………………………. 3
FOREWORD…………………………………………………………………………………………………………. 5
0. GENERAL DESCRIPTION…………………………………………………………………………………………….. 7
01. SAFETY PRECAUTIONS…………………………………………………………………………………………. 9
02. FUNDAMENTAL KNOWLEDGE OF
MAINTENANCE………………………………………………………………………… 12
03. CLEANING………………………………………………………………………………………………….. 15
04. STANDARD BOLT TIGHTENING TORQUE……………………………………………………………………………… 16
05. LUBRICATION……………………………………………………………………………………………….. 22
06. SAFETY PARTS TO BE REPLACED
PERIODICALLY…………………………………………………………………….. 25
1. POWER TRAIN……………………………………………………………………………………………………. 27
11A. DRIVE UNIT DISASSEMBLY AND REASSEMBLY
(L20-3, LX110-7 ・ L27-3, LX130-7)………………………………………… 29
11A.1 DISASSEMBLY………………………………………………………………………………………….. 29
11A.1.1 TORQUE CONVERTER DISASSEMBLY……………………………………………………………………… 29
11A.1.2 TRANSMISSION
DISASSEMBLY………………………………………………………………………… 40
11A.1.3 CLUTCH SHAFT
DISASSEMBLY………………………………………………………………………… 48
11A.1.4 CONTROL VALVE
DISASSEMBLY……………………………………………………………………….. 52
11A.2 REASSEMBLY…………………………………………………………………………………………… 55
11A.2.1 TORQUE CONVERTER REASSEMBLY………………………………………………………………………. 55
11A.2.2 CLUTCH SHAFT
REASSEMBLY…………………………………………………………………………. 64
11A.2.3 CONTROL VALVE REASSEMBLY…………………………………………………………………………. 69
11A.2.4 TRANSMISSION
REASSEMBLY…………………………………………………………………………. 72
11A.3 TROUBLESHOOTING………………………………………………………………………………………. 86
11A.3.1 TORQUE CONVERTER TROUBLESHOOTING………………………………………………………………….. 86
11A.3.2 TRANSMISSION TROUBLESHOOTING……………………………………………………………………… 87
11A.3.3 PARKING BRAKE TROUBLESHOOTING…………………………………………………………………….. 89
11A.4 STANDARD VALUES FOR MAINTENANCE………………………………………………………………………… 90
11A.5 TIGHTENING TORQUE VALUES FOR MAIN BOLTS…………………………………………………………………. 92
11B. DRIVE UNIT DISASSEMBLY AND REASSEMBLY
(L32-3, LX160-7 ・ L35-3, LX190-7・ L40-3, LX230-7)………………………….. 93
11B.1 DISASSEMBLY………………………………………………………………………………………….. 93
11B.1.1 TORQUE CONVERTER DISASSEMBLY……………………………………………………………………… 93
11B.1.2 TRANSMISSION
DISASSEMBLY…………………………………………………………………………101
11B.1.3 CLUTCH SHAFT
DISASSEMBLY…………………………………………………………………………113
11B.1.4 CONTROL VALVE
DISASSEMBLY………………………………………………………………………..117
11B.2 REASSEMBLY……………………………………………………………………………………………120
11B.2.1 TORQUE CONVERTER REASSEMBLY……………………………………………………………………….120
11B.2.2 CLUTCH SHAFT
REASSEMBLY………………………………………………………………………….125
11B.2.3 CONTROL VALVE REASSEMBLY………………………………………………………………………….129
11B.2.4 TRANSMISSION
REASSEMBLY………………………………………………………………………….132
11B.3 TROUBLESHOOTING GUIDE………………………………………………………………………………….147
11B.3.1 TORQUE CONVERTER TROUBLESHOOTING…………………………………………………………………..147
11B.3.2 TRANSMISSION TROUBLESHOOTING………………………………………………………………………148
11B.3.3 PARKING BRAKE TROUBLESHOOTING……………………………………………………………………..150
11B.4 STANDARD VALUES FOR MAINTENANCE…………………………………………………………………………151
11B.5 TIGHTENING TORQUE VALUES FOR MAIN BOLTS………………………………………………………………….154
12A. DRIVE AXLE DISASSEMBLY AND REASSEMBLY
(L20-3, LX110-7)………………………………………………………..155
12A.1 DISASSEMBLY…………………………………………………………………………………………..155
12A.2 REASSEMBLY……………………………………………………………………………………………166
12A.3 TROUBLESHOOTING……………………………………………………………………………………….183
12A.4 STANDARD VALUES FOR MAINTENANCE…………………………………………………………………………185
12A.5 TIGHTENING TORQUE VALUES FOR MAIN BOLTS………………………………………………………………….186
12B. DRIVE AXLE DISASSEMBLY AND REASSEMBLY
(L27-3, LX130-7)………………………………………………………..187
12B.1 DISASSEMBLY…………………………………………………………………………………………..187
12B.2 REASSEMBLY……………………………………………………………………………………………198
12B.3 TROUBLESHOOTING……………………………………………………………………………………….216
12B.4 STANDARD VALUES FOR MAINTENANCE…………………………………………………………………………218
12B.5 TIGHTENING TORQUE VALUES FOR MAIN BOLTS………………………………………………………………….219
12C. DRIVE AXLE DISASSEMBLY AND REASSEMBLY
(L32-3, LX160-7 ・ L35-3, LX190-7 ・ L40-3, LX230-7)………………………….220
12C.1 DISASSEMBLY………………………………………………………………………………………………220
12C.2 REASSEMBLY……………………………………………………………………………………………….231
12C.3 TROUBLESHOOTING…………………………………………………………………………………………..251
12C.4 STANDARD VALUES FOR MAINTENANCE…………………………………………………………………………….253
12C.5 TIGHTENING TORQUE VALUES FOR MAIN BOLTS……………………………………………………………………..255
2. BRAKE SYSTEM……………………………………………………………………………………………………257
21A. DISASSEMBLY AND REASSEMBLY OF BRAKE
VALVE (L20-3, LX110-7)…………………………………………………….259
21A.1 DISASSEMBLY…………………………………………………………………………………………..260
21A.2 REASSEMBLY……………………………………………………………………………………………261
21A.3 ADJUSTMENT OF OIL PRESSURE……………………………………………………………………………..262
21B. DISASSEMBLY AND REASSEMBLY OF BRAKE VALVE
(L27-3 to L40-3, LX130-7 to LX230-7)…………………………………..263
21B.1 DISASSEMBLY…………………………………………………………………………………………..264
21B.2 TREATMENT AFTER DISASSEMBLY…………………………………………………………………………….265
21B.3 REASSEMBLY……………………………………………………………………………………………265
21B.4 STANDARD VALUES FOR MAINTENANCE…………………………………………………………………………268
22. DISASSEMBLY AND REASSEMBLY OF SPLIT
CYLINDER (L20-3, LX110-7)…………………………………………………..270
22.1 DISASSEMBLY……………………………………………………………………………………………271
22.2 TREATMENT AFTER DISASSEMBLY……………………………………………………………………………..271
22.3 REASSEMBLY…………………………………………………………………………………………….271
22.4 STANDARD VALUES FOR MAINTENANCE………………………………………………………………………….272
23. DISASSEMBLY AND REASSEMBLY OF CHARGING
VALVE (L27-3 to L40-3, LX130-7 to LX230-7)…………………………………273
23.1 DISASSEMBLY……………………………………………………………………………………………274
23.2 TREATMENT AFTER DISASSEMBLY……………………………………………………………………………..274
23.3 REASSEMBLY…………………………………………………………………………………………….275
23.4 STANDARD VALUES FOR MAINTENANCE………………………………………………………………………….276
24. ACCUMLATOR GAS SEALING WORK
(L27-3 to L40-3, LX130-7 to LX230-7)………………………………………………..277
24.1 INITIAL SEALING………………………………………………………………………………………..277
24.2 CHARGING PRESSURE INSPECTION AND PRESSURE
REDUCTION/PRESSURE INTENSIFICATION…………………………………278
3. STEERING SYSTEM…………………………………………………………………………………………………281
31A. DISASSEMBLY AND REASSEMBLY OF ORBITROL
(L20-3, LX110-7)……………………………………………………….283
31A.1 DISASSEMBLY…………………………………………………………………………………………..284
31A.2 REASSEMBLY……………………………………………………………………………………………287
31B. DISASSEMBLY AND REASSEMBLY OF ORBITROL
(L27-3, LX130-7 ・ L32-3, LX160-7)………………………………………..291
31B.1 DISASSEMBLY…………………………………………………………………………………………..292
31B.2 REASSEMBLY……………………………………………………………………………………………296
32. DISASSEMBLY AND REASSEMBLY OF STEERING
GEAR (L35-3, LX190-7 ・ L40-3, LX230-7)…………………………………….300
32.1 DISASSEMBLY……………………………………………………………………………………………301
32.2 REASSEMBLY…………………………………………………………………………………………….304
33. DISASSEMBLY AND REASSEMBLY OF STEERING VALVE
(L35-3, LX190-7 ・ L40-3, LX230-7)……………………………………309
33.1 DISASSEMBLY……………………………………………………………………………………………311
33.2 TREATMENT AFTER DISASSEMBLY……………………………………………………………………………..312
33.3 REASSEMBLY…………………………………………………………………………………………….313
33.4 ADJUSTMENT OF RELIEF VALVE………………………………………………………………………………315
34. DISASSEMBLY AND REASSEMBLY OF PRIORITY VALVE
(L20-3, LX110-7 ・ L27-3, LX130-7 ・ L32-3, LX160-7)…………………….316
34.1 DISASSEMBLY……………………………………………………………………………………………317
34.2 REASSEMBLY…………………………………………………………………………………………….317
35. DISASSEMBLY AND REASSEMBLY OF CUSHION VALVE
(L27-3, LX130-7 ・ L32-3, LX160-7)…………………………………….318
35.1 DISASSEMBLY……………………………………………………………………………………………319
35.2 REASSEMBLY…………………………………………………………………………………………….319
36A. DISASSEMBLY AND REASSEMBLY OF
STEERING CYLINDER (L20-3, LX110-7)……………………………………………….320
36A.1 DISASSEMBLY…………………………………………………………………………………………..321
36A.2 INSPECTION……………………………………………………………………………………………322
36A.3 REASSEMBLY……………………………………………………………………………………………323
36B. DISASSEMBLY AND ASSEMBLY OF STEERING CYLINDER
(L27-3 to L40-3, LX130-7 to LX230-7)……………………………….326
36B.1 DISASSEMBLY…………………………………………………………………………………………..327
36B.2 INSPECTION……………………………………………………………………………………………328
36B.3 REASSEMBLY……………………………………………………………………………………………329
4. HYDRAULIC SYSTEM………………………………………………………………………………………………..333
41A. DISASSEMBLY AND REASSEMBLY OF MAIN
PUMP (L20-3, LX110-7)………………………………………………………337
41A.1 DISASSEMBLY…………………………………………………………………………………………..338
41A.2 REASSEMBLY……………………………………………………………………………………………339
41A.3 SERVICE CRITERIA………………………………………………………………………………………341
41B. DISASSEMBLY AND REASSEMBLY OF MAIN
PUMP (L27-3,LX130-7 ・ L32-3,LX160-7)…………………………………………342
41B.1 DISASSEMBLY…………………………………………………………………………………………..343
41B.2 INSPECTION……………………………………………………………………………………………344
41B.3 REASSEMBLY……………………………………………………………………………………………345
41B.4 MAINTENANCE PROCEDURE OF SH VALVE……………………………………………………………………….349
41C. DISASSEMBLY AND REASSEMBLY OF MAIN
PUMP (L35-3,LX190-7 ・ L40-3,LX230-7)…………………………………………352
41C.1 DISASSEMBLY…………………………………………………………………………………………..353
41C.2 INSPECTION……………………………………………………………………………………………354
41C.3 REASSEMBLY……………………………………………………………………………………………355
41C.4 ADJUSTMENT OF PRESSURE IN SH VALVE………………………………………………………………………359
41D. DISASSEMBLY AND REASSEMBLY OF
STEERING PUMP (L35-3,LX190-7 ・ L40-3,LX230-7)……………………………………..360
41D.1 DISASSEMBLY…………………………………………………………………………………………..361
41D.2 INSPECTION……………………………………………………………………………………………362
41D.3 REASSEMBLY……………………………………………………………………………………………363
41E. DISASSEMBLY AND REASSEMBLY OF BRAKE
& ASSIST PUMP (L27-3 to L40-3, LX130-7 to LX230-7)……………………………366
41E.1 DISASSEMBLY…………………………………………………………………………………………..367
41E.2 INSPECTION……………………………………………………………………………………………368
41E.3 REASSEMBLY……………………………………………………………………………………………369
42A. DISASSEMBLY AND REASSEMBLY OF CHARGING
PUMP (L20-3, LX110-7 ・ L27-3, LX130-7)……………………………………371
42A.1 DISASSEMBLY…………………………………………………………………………………………..372
42A.2 INSPECTION……………………………………………………………………………………………372
42A.3 REASSEMBLY……………………………………………………………………………………………374
42B. DISASSEMBLY AND REASSEMBLY OF CHARGING PUMP
(L32-3, LX160-7 ・ L35-3, LX190-7・ L40-3, LX230-7)……………………..376
42B.1 DISASSEMBLY…………………………………………………………………………………………..377
42B.2 INSPECTION……………………………………………………………………………………………377
42B.3 REASSEMBLY……………………………………………………………………………………………379
43A. DISASSEMBLY AND REASSEMBLY OF MAIN VALVE
(L20-3, LX110-7)……………………………………………………..381
43A.1 DISASSEMBLY…………………………………………………………………………………………..382
43A.2 TREATMENT AFTER DISASSEMBLY…………………………………………………………………………….383
43A.3 REASSEMBLY……………………………………………………………………………………………384
43A.4 ADJUSTMENT OF RELIEF VALVE……………………………………………………………………………..386
43B. DISASSEMBLY AND REASSEMBLY OF MAIN
VALVE (L27-3,LX130-7)………………………………………………………387
43B.1 DISASSEMBLY…………………………………………………………………………………………..388
43B.2 TREATMENT AFTER DISASSEMBLY…………………………………………………………………………….389
43B.3 REASSEMBLY……………………………………………………………………………………………389
43B.4 ADJUSTMENT OF RELIEF VALVE……………………………………………………………………………..391
43C. DISASSEMBLY AND REASSEMBLY OF MAIN VALVE
(L32-3, LX160-7 ・ L35-3, LX190-7・ L40-3, LX230-7)………………………..392
43C.1 DISASSEMBLY…………………………………………………………………………………………..393
43C.2 REASSEMBLY……………………………………………………………………………………………395
43C.3 REASSEMBLY OF CONNECTION EXTENSION SECTION……………………………………………………………….396
44. DISASSEMBLY AND REASSEMBLY OF PILOT VALVE
(L27-3 to L40-3, LX130-7 to LX230-7)……………………………………397
44.1 DISASSEMBLY……………………………………………………………………………………………398
44.2 TREATMENT AFTER DISASSEMBLY……………………………………………………………………………..399
44.3 REASSEMBLY…………………………………………………………………………………………….399
44.4 ADJUSTMENT OF CLEARANCE BETWEEN PUSH ROD AND
PLATE………………………………………………………..401
45A. DISASSEMBLY AND REASSEMBLY OF BOOM CYLINDER
(L20-3, LX110-7)…………………………………………………..402
45A.1 DISASSEMBLY…………………………………………………………………………………………..403
45A.2 INSPECTION……………………………………………………………………………………………404
45A.3 REASSEMBLY……………………………………………………………………………………………405
45B. DISASSEMBLY AND REASSEMBLY OF BUCKET
CYLINDER (L20-3, LX110-7)…………………………………………………408
45B.1 DISASSEMBLY…………………………………………………………………………………………..409
45B.2 INSPECTION……………………………………………………………………………………………410
45B.3 REASSEMBLY……………………………………………………………………………………………411
45C. DISASSEMBLY AND REASSEMBLY OF BOOM
CYLINDER AND BUCKET CYLINDER
(L27-3, LX130-7 ・ L32-3, LX160-7 ・ L35-3, LX190-7)….414
45C.1 DISASSEMBLY…………………………………………………………………………………………..415
45C.2 INSPECTION……………………………………………………………………………………………416
45C.3 REASSEMBLY……………………………………………………………………………………………417
45D. DISASSEMBLY AND REASSEMBLY OF BOOM
CYLINDER AND BUCKET CYLINDER
(L40-3,LX230-7)…………………………………419
45D.1 DISASSEMBLY…………………………………………………………………………………………..420
45D.2 INSPECTION……………………………………………………………………………………………421
45D.3 REASSEMBLY……………………………………………………………………………………………422
46. DISASSEMBLY AND REASSEMBLY OF TRAVEL
DAMPER VALVE FOR APS (OPTION)………………………………………………424
46.1 DISASSEMBLY……………………………………………………………………………………………425
46.2 TREATMENT AFTER DISASSEMBLY……………………………………………………………………………..427
46.3 REASSEMBLY…………………………………………………………………………………………….427
46.4 ADJUSTMENT OF PRESSURE REDUCING VALVE SET
PRESSURE………………………………………………………..429
5. ELECTRIC UNIT…………………………………………………………………………………………………..433
51A. ELECTRICAL EQUIPMENT LAYOUT DRAWING
(L20-3, LX110-7)………………………………………………………….435
51B. ELECTRICAL EQUIPMENT LAYOUT DRAWING
(L27-3, LX130-7 ・ L32-3, LX160-7)…………………………………………..441
51C. ELECTRICAL EQUIPMENT LAYOUT DRAWING
(L35-3, LX190-7 ・ L40-3, LX230-7)…………………………………………..449
52. WIRE HARNESS (REFERENCE)…………………………………………………………………………………….456
53. ELECTRIC CIRCUIT DIAGRAM…………………………………………………………………………………….483
54. STARTING SYSTEM ELECTRIC CIRCUIT……………………………………………………………………………..489
55. ATC (AUTOMATIC TRANSMISSION CONTROLLER)……………………………………………………………………….495
56. ELECTRONICALLY CONTROLLER FUEL SYSTEM –
TROUBLE SHOOTING (L35-3, LX190-7 ・ L40-3, LX230-7)…………………………506
57. AIR CONDITIONER – TROUBLE SHOOTING
(L27-3 to L40-3, LX130-7 to LX230-7)………………………………………….524
6. ENGINE AND ACCESSORY…………………………………………………………………………………………….531
GENERAL INFORMATION…………………………………………………………………………………………….535
MAINTENANCE……………………………………………………………………………………………………561
ENGINE ASSEMBLY 1………………………………………………………………………………………………581
ENGINE ASSEMBLY 2………………………………………………………………………………………………597
ENGINE ASSEMBLY 3………………………………………………………………………………………………627
LUBRICATING SYSTEM……………………………………………………………………………………………..657
FUEL SYSTEM……………………………………………………………………………………………………667
TURBOCHARGER…………………………………………………………………………………………………..677
AIR COMPRESSOR…………………………………………………………………………………………………681
ENGINE ELECTRICALS……………………………………………………………………………………………..689
TROUBLESHOOTING………………………………………………………………………………………………..697
SPECIAL TOOL LIST………………………………………………………………………………………………721
REPAIR STANDARDS……………………………………………………………………………………………….725
CONVERSION TALBE……………………………………………………………………………………………….745
REVISION REQUEST FORM………………………………………………………………………………………………755

Hitachi LX110-7 Wheel Loader Technical Manual

INDEX(LX110-7)…………………………………. 1
FOREWORD………………………………………. 3
TABLE OF CONTENTS………………………………. 5
0. SPECIFICATIONS………………………………. 9
0.1 OUTER VIEWS…………………………….. 9
0.2 SPECIFICATIONS………………………….. 10
1. ENGINE AND RELATED COMPONENTS…………………. 13
1.1 ENGINE…………………………………. 13
1.2 LUBRICATING SYSTEM………………………. 17
1.3 COOLING SYSTEM………………………….. 18
1.4 FUEL SYSTEM…………………………….. 20
1.5 INTAKE AND EXHAUST SYSTEM………………… 22
1.6 ELECTRICAL SYSTEM……………………….. 24
1.7 ENGINE CONTROL UNIT……………………… 26
2. POWER TRAIN…………………………………. 29
2.1 DRIVE UNIT……………………………… 30
2.2 TORQUE CONVERTER………………………… 35
2.3 TRANSMISSION……………………………. 38
2.3.1 CLUTCH SHAFT………………………. 38
2.3.2 POWER FLOW………………………… 41
2.3.3 TRANSMISSION CONTROL VALVE………….. 43
2.3.4 TRANSMISSION CONTROL……………….. 57
2.3.5 AUTMATIC TRANSMISSION (ATM) [OPTION]…. 62
2.4 OIL CIRCULATION ROUTE……………………. 71
2.5 PROPELLER SHAFTS………………………… 73
2.6 DRIVE AXLES (FRONT AND REAR)……………… 75
2.6.1 DRIVE AXLE………………………… 75
2.6.2 DIFFERENTIAL………………………. 79
2.6.3 FINAL REDUCTION GEAR……………….. 81
2.7 WHEEL ASSEMBLY (TIRE AND WHEEL)…………… 83
2.7.1 TIRE……………………………… 83
2.7.2 WHEEL…………………………….. 83
3. BRAKE SYSTEM………………………………… 85
3.1 SERVICE BRAKE…………………………… 86
3.1.1 GENERAL DESCRIPTION (BRAKE LINE)…….. 86
3.1.2 BRAKE VALVE……………………….. 94
3.1.3 SPLIT CYLINDER…………………….. 98
3.1.4 DISK BRAKE…………………………100
3.1.5 OTHER COMPONENTS……………………101
3.2 PARKING BRAKE……………………………103
3.2.1 GENERAL DESCRIPTION (BRAKE LINE)……..104
3.2.2 PARKING BRAKE VALVE…………………107
3.2.3 DISK BRAKE…………………………108
4. STEERING SYSTEM………………………………109
4.1 GENERAL DESCRIPTION………………………109
4.2 OIL CIRCULATION ROUTES……………………111
4.3 STEERING WHEEL UNIT………………………112
4.4 STEERING VALVE (ORBITROL)…………………113
4.5 PRIORITY VALVE…………………………..118
4.6 STEERING CYLINDER………………………..123
5. FRAME AND COCKPIT…………………………….125
5.1 FRAME…………………………………..125
5.2 CENTER HINGE PIN…………………………127
6. HYDRAULIC SYSTEM……………………………..129
6.1 OIL CIRCULATION ROUTES……………………129
6.2 PUMP……………………………………131
6.2.1 MAIN PUMP………………………….131
6.2.2 CHARGING PUMP (BRAKE PUMP)…………..132
6.3 CONTROL VALVE……………………………135
6.3.1 GENERAL DESCRIPTION…………………135
6.3.2 OPERATION………………………….138
6.3.3 RELIEF VALVE……………………….142
6.4 VALVE CONTROLS…………………………..145
6.5 OIL TANK………………………………..147
7. LOAD HANDLING SYSTEM………………………….149
7.1 BOOM, BELLCRANK AND BUCKET………………..150
7.1.1 GENERAL DESCRIPTION…………………150
7.1.2 BUCKET…………………………….153
7.1.3 BUCKET LEVELER……………………..154
7.1.4 BOOM KICKOUT (OPTION)……………….155
7.2 CYLINDER………………………………..156
7.2.1 BOOM CYLINDER………………………156
7.2.2 BUCKET CYLINDER…………………….156
7.3 ANTI-PITCHING SYSTEM (APS) [OPTION]…….159
8. ELECTRIC SYSTEM………………………………165
8.1 LIGHTING EQUIPMENT……………………….165
8.2 METERS AND SWITCHES………………………166
8.2.1 MONITOR LAMPS (CLUSTER GAUGE UNIT)……166
8.2.2 LIGHTING SWITCH…………………….169
8.2.3 TURN SIGNAL SWITCH………………….169
8.3 RELAY MOUNTING LOCATION…………………..170
8.4 ELECTRIC CIRCUIT DIAGRAM………………….171
9. AIR CONDITIONER (OPTION)………………………175
9.1 GENERAL DESCRIPTION………………………176
9.1.1 OPERATING PRINCIPLE…………………….176
9.1.2 AIR CONDITIONER UNIT……………………178
9.1.3 COMPRESSOR…………………………….179
9.1.4 RECEIVER TANK………………………….180
9.1.5 CONDENSER……………………………..181
9.1.6 AIR CONDITIONER PIPING………………….182
SERVICE MANUAL REVISION REQUEST FORM………………183

Hitachi LX110-7 Wheel Loader Parts Catalog Manual

LX110-7 FRONT COVER……………………………………………. 1
INTRODUCTION………………………………………………. 4
CONTENTS………………………………………………….. 6
ENGINE……………………………………………………. 11
ENGINE MOUNT…………………………………………… 11
GENERATOR (GE061-648) (OP)………………………………. 13
ENGINE CONTROL…………………………………………. 15
RADIATOR (-2100)……………………………………….. 17
RADIATOR (2101-)……………………………………….. 19
DUST PROOF RADIATOR (DPR-648) (-2100) (OP)………………… 21
DUST PROOF RADIATOR (DPR-648) (2100-) (OP)………………… 23
FUEL SYSTEM (-2100)…………………………………….. 25
FUEL SYSTEM (2101-)…………………………………….. 27
AIR INTAKE & EXHAUST PARTS………………………………. 29
ELECTRICAL………………………………………………… 31
ELECTRICAL PARTS (WIRE HARNESS)………………………….. 31
WIRING (FRONT FRAME)……………………………………. 33
WIRING (COCKPIT) (1/2) (-2100)…………………………… 35
WIRING (COCKPIT) (1/2) (2101-)…………………………… 37
WIRING (COCKPIT) (2/2)………………………………….. 39
WIRING (REAR FRAME) (-2100)……………………………… 41
WIRING (REAR FRAME) (2101-)……………………………… 43
BATTERY CABLE………………………………………….. 45
BATTERY……………………………………………….. 47
INSTRUMENT PANEL……………………………………….. 49
CLUSTER METER………………………………………….. 51
ELECTRICAL PARTS (LAMP)…………………………………. 53
ELECTRICAL PARTS (RELAY & MOTOR) (-2100)………………….. 55
ELECTRICAL PARTS (RELAY & MOTOR) (2101-)………………….. 57
ELECTRICAL PARTS (HORN & BUZZER)…………………………. 59
ELECTRICAL PARTS (SWITCH)……………………………….. 61
CAR STEREO (CRS-648) (OP)……………………………….. 63
REVOLVING LAMP (RLY001-648) (OP)…………………………. 65
REVOLVING LAMP (RLY002-648) (OP)…………………………. 67
REVOLVING LAMP (RLYS01-648) (OP)…………………………. 69
REVOLVING LAMP (RLYS02-648) (OP)…………………………. 71
AUTOMATIC TRANSMISSION (ATM-648) (OP)…………………….. 73
CLUSTER METER (ATM-648) (OP)…………………………….. 75
HEATER (HR400A-648) (OP)………………………………… 77
HEATER (PIPING) (HR400A-648) (OP)………………………… 81
HEATER (ELECTRICAL) (HR400A-648) (OP)…………………….. 83
HEATER UNIT (HR400A-648) (OP)……………………………. 85
TACHOGRAPH (TCO004-648) (OP)…………………………….. 87
POWER TRAIN……………………………………………….. 89
DRIVE UNIT MOUNT……………………………………….. 89
DRIVE UNIT (1/3)……………………………………….. 91
DRIVE UNIT (2/3)……………………………………….. 93
DRIVE UNIT (3/3)……………………………………….. 97
TRANSMISSION CONTROL VALVE (1/2)…………………………. 99
TRANSMISSION CONTROL VALVE (2/2)………………………….101
CLUTCH (FORWARD & REVERSE)……………………………….103
CLUTCH (1ST & 2ND)………………………………………105
CLUTCH (3RD & 4TH)………………………………………107
TORQUE CONVERTER (1/2)…………………………………..109
TORQUE CONVERTER (2/2)…………………………………..111
TORQUE CONVERTER WHEEL…………………………………..113
CHARGING PUMP…………………………………………..115
DRIVE AXLE (FRONT) (1/3)…………………………………117
DRIVE AXLE (FRONT) (2/3)…………………………………119
DRIVE AXLE (FRONT) (3/3)…………………………………121
DRIVE AXLE (REAR) (1/3)………………………………….123
DRIVE AXLE (REAR) (2/3)………………………………….125
DRIVE AXLE (REAR) (3/3)………………………………….127
PLANET CARRIER………………………………………….129
WHEEL………………………………………………….131
TIRE CHAIN (TC003-648) (OP)………………………………133
PROPELLER SHAFT…………………………………………135
BRAKE……………………………………………………..137
BRAKE PEDAL…………………………………………….137
BRAKE LINE (BRAKE VALVE)…………………………………139
BRAKE VALVE ……………………………………………141
BRAKE LINE (SPLIT CYLINDER-FRONT AXLE)…………………….143
BRAKE LINE (SPLIT CYLINDER-REAR AXLE)……………………..145
SPLIT CYLINDER………………………………………….147
PARKING BRAKE (-1190)……………………………………149
PARKING BRAKE (1191-)……………………………………151
STOP VALVE (1191-)………………………………………153
STEERING…………………………………………………..155
STEERING WHEEL UNIT……………………………………..155
STEERING VALVE (-2100)…………………………………..157
PRIORITY VALVE (-2100)…………………………………..159
STEERING CYLINDER……………………………………….161
FRAME……………………………………………………..165
FRONT FRAME…………………………………………….165
REAR FRAME……………………………………………..167
BALANCE WEIGHT………………………………………….169
COCKPIT………………………………………………..171
SEAT MOUNT (-1355)………………………………………173
SEAT MOUT (1356-)……………………………………….175
SEAT (1356-)……………………………………………177
COCKPIT MOUNT…………………………………………..179
ROPS CAB……………………………………………….181
ROPS CAB (COVER & MAT)…………………………………..183
ROPS CAB (DOOR) (RH) (1/2)……………………………….185
ROPS CAB (DOOR) (RH) (2/2)……………………………….187
ROPS CAB (DOOR) (LH) (1/2)……………………………….189
ROPS CAB (DOOR) (LH) (2/2)……………………………….191
ROPS CAB (LAMP & RADIO)………………………………….193
ROPS CAB (WIPER)………………………………………..195
ROPS CAB (ELECTRICAL)……………………………………197
ROPS CAB (MOUNT)………………………………………..199
STEEL CAB (SCB001-648) (OP)………………………………201
CAB (COVER & MAT) (SCB001-648) (OP)……………………….203
CAB (DOOR) (RH) (SCB001-648) (1/2) (OP)……………………205
CAB (DOOR) (RH) (SCB001-648) (2/2) (OP)……………………207
CAB (DOOR) (LH) (SCB001-648) (1/2) (OP)……………………209
CAB (DOOR) (LH) (SCB001-648) (2/2) (OP)……………………211
CAB (LAMP & RADIO) (SCB001-648) (OP)………………………213
CAB (WIPER) (SCB001-648) (OP)…………………………….215
CAB (ELECTRICAL) (SCB001-648) (OP)………………………..217
CAB (MOUNT) (SCB001-648) (OP)…………………………….219
LOW CAB (LCB150-648) (OP)………………………………..221
CAB (COVER & MAT) (LCB150-648) (OP)……………………….223
CAB (DOOR) (RH) (LCB150-648) (1/2) (OP)……………………225
CAB (DOOR) (RH) (LCB150-648) (2/2) (OP)……………………227
CAB (DOOR) (LH) (LCB150-648) (1/2) (OP)……………………229
CAB (DOOR) (LH) (LCB150-648) (2/2) (OP)……………………231
CAB (LAMP & RADIO) (LCB150-648) (OP)………………………233
CAB (WIPER) (LCB150-648) (OP)…………………………….235
CAB (ELECTRICAL) (LCB150-648) (OP)………………………..237
CAB (MOUNT) (LCB150-648) (OP)…………………………….239
HOOD & GRILLE (-2100)……………………………………241
HOOD & GRILLE (2101-)……………………………………243
SIDE PANEL……………………………………………..245
LAMP BRACKET & FRONT FENDER………………………………247
STEP & REAR FENDER………………………………………249
BATTERY BOX…………………………………………….251
SOUND ABSORBING MATERIAL…………………………………253
AIR CONDITIONER LESS KIT (DASHBOARD & MAT) (ACLS3-648) (OP)….255
AIR CONDITIONER LESS KIT (COVER) (ACLS3-648) (OP)…………..257
ROPS CAB LESS KIT (ROCLS1-648) (OP)……………………….259
FULL REAR FENDER (FRF-648) (OP)…………………………..261
UNDER MIRROR (UMR001-648) (OP)……………………………263
HYDRAULIC………………………………………………….265
VALVE CONTROL (1/2)……………………………………..265
VALVE CONTROL (2/2)……………………………………..267
CONTROL VALVE…………………………………………..269
CONTROL VALVE (BUCKET SECTION) (-1324)…………………….271
CONTROL VALVE (BOOM SECTION) (-1324)………………………273
PIPING KIT WITH THREE SPOOL VALVE (LEVER) (AP3-648) (OP)…….275
PIPING KIT WITH THREE SPOOL VALVE (PIPING) (AP3-648) (OP)……277
CONTROL VALVE (AP3-648) (-1344) (OP)………………………279
CONTROL VALVE (AP3-648) (1345-) (OP)………………………281
PIPING KIT WITH FOUR SPOOL VALVE (PIPING) (AP4002-648) (OP)….283
PIPING KIT WITH FOUR SPOOL VALVE (LEVER) (AP4002-648) (OP)…..285
CONTROL VALVE (AP4002-648) (-2100) (OP)……………………289
CONTROL VALVE (AP4002-648) (2101-) (OP)……………………291
CONTROL VALVE (BUCKET SECTION) (AP4002-648) (OP)……………293
CONTROL VALVE (BOOM SECTION) (AP4002-648) (OP)……………..295
LEVER KIT (LK2001-648) (OP)………………………………297
OIL TANK……………………………………………….299
HYDRAULIC LINE (SUCTION)…………………………………301
MAIN PUMP (-2100)……………………………………….305
HYDRAULIC LINE (BOOM & BUCKET)……………………………307
HYDRAULIC LINE (STEERING)………………………………..309
CUSHION VALVE…………………………………………..313
HYDRAULIC LINE (TRANSMISSION)…………………………….315
LOADING……………………………………………………317
BOOM…………………………………………………..317
HIGH LIFT ARM (HLA-648) (OP)……………………………..319
BOOM KICKOUT……………………………………………321
BUCKET…………………………………………………323
BUCKET (1 TYPE) (B1H150-648) (OP)…………………………325
BUCKET (3 TYPE) (B3H150-648) (OP)…………………………327
BUCKET (DOUBLE EDGE) (DBH160-648) (OP)…………………….329
BUCKET (DOUBLE EDGE) (ODB160-648) (OP)…………………….331
BOOM CYLINDER…………………………………………..333
BUCKET CYLINDER…………………………………………337
ONE TOUCH COUPLER (OTC-648) (OP)………………………….339
COUPLER CYLINDER (OTC-648) (OP)…………………………..341
BUCKET LEVELER………………………………………….343
ACCESSORY PARTS…………………………………………….345
AIR CONDITIONER (1/2) (-2100)…………………………….345
AIR CONDITIONER (1/2) (2101-)…………………………….347
AIR CONDITIONER (2/2) (-2100)…………………………….349
AIR CONDITIONER (2/2) (2101-)…………………………….351
AIR CONDITIONER PIPING (1/2)……………………………..353
AIR CONDITIONER PIPING (2/2)……………………………..357
AIR CONDITIONER (ELECTRICAL PARTS)………………………..359
GREASE PIPING…………………………………………..361
DECAL (JPN:-1324)……………………………………….363
DECAL (JPN:1325-)……………………………………….367
SERVICE TOOLS…………………………………………..371
OPTIONAL EQUIPMENT………………………………………….373
LOGGER (TL047-648)………………………………………373
LOGGER (CLAMP CYLINDER) (TL047-648)……………………….375
LOGGER (PIPING) (TL047-648)………………………………377
PARTS NUMBER INDEX………………………………………….379

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