Hitachi LX70-7 LX80-7 Wheel Loader Workshop Manual (W077E-02)
File Details:
Hitachi LX70-7 LX80-7 Wheel Loader Workshop Manual (W077E-02)
- Manual Language:English
- Downloadable:Yes
- Pages: 408
- Size: 22.5 MB
- Format:PDF
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Description:
Hitachi LX70-7 LX80-7 Wheel Loader Workshop Manual (W077E-02)
- With our pursuit of technological researches and vast experiences, we have been developing products of superior quality and reliability for complete customer satisfaction.
- 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.
Table Of Contents:
Hitachi LX70-7 LX80-7 Wheel Loader Workshop Manual (W077E-02)
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 11. DISASSMBLY AND REASSEMBLY OF HST PUM................................................ 29 11.1 DISASSEMBLY OF HST PUMP ....................................................... 31 11.2 REASSEMBLY OF HST PUMP......................................................... 33 11.3 DISASSMBLY AND REASSEMBLY OF COMBINATION VALVE 1............................... 35 11.4 DISASSMBLY AND REASSEMBLY OF COMBINATION VALVE 2............................... 38 11.5 STANDARD VALUES FOR MAINTENANCE................................................ 40 12. DISASSEBLY AND REASSEMBLY OF TRANSMISSION........................................... 41 12.1 DISASSMBLY OF TRANSMISSION..................................................... 41 12.1.1 PREPARATION.............................................................. 41 12.1.2 DISASSEMBLY OF TRANSMISSION CASE......................................... 41 12.1.3 DISASSEMBLY OF CLUTCH ASSEMBLY........................................... 46 12.1.4 DISASSEMBLY OF CONTROL VALVE............................................. 49 12.1.5 DISASSEMBLY OF OUTPUT SHAFT.............................................. 49 12.2 REASSEMBLY OF TRANSMISSION.................................................... 51 12.2.1 REASSEMBLY OF OUTPUT SHAFT............................................... 51 12.2.2 REASSEMBLY OF CONTROL VALVE.............................................. 52 12.2.3 REASSEMBLY OF CLUTCH ASSEMBLY............................................ 54 12.2.4 REASSEMBLY OF TRANSMISSION CASE.......................................... 58 12.3 STANDARD VALUES FOR MAINTENANCE................................................ 64 13. DESASSEMBLY AND REASSEMBLY OF DRIVE AXLE............................................ 69 13.1 DISASSEMBLY.................................................................... 69 13.2 REASSEMBLY..................................................................... 79 13.3 TROUBLESHOOTING................................................................ 96 13.4 STANDARD VALUES FOR MAINTENANCE................................................ 98 13.5 TIGHTENING TORQUE VALUES FOR MAIN BOLTS........................................ 99 2. BRAKE SYSTEM.............................................................................101 21. DISASSEMBLY AND REASSEMBLY OF BRAKE VALVE...........................................103 21.1 DISASSEMBLY....................................................................104 21.2 REASSEMBLY.....................................................................105 3. STEERING SYSTEM..........................................................................107 31. DISASSEMBLY AND REASSEMBLY OF ORBITROL..............................................109 31.1 DISASSEMBLY....................................................................110 31.2 REASSEMBLY.....................................................................113 32. DISASSEMBLY ADN REASSEMBLY OF STEERING CYLINDER.....................................117 32.1 DISASSEMBLY....................................................................118 32.2 INSPECTION.....................................................................119 32.3 REASSEMBLY.....................................................................120 33. DISASSEMBLY AND REASSEMBLY OF PRIORITY VALVE........................................123 33.1 DISASSEMBLY....................................................................124 33.2 REASSEMBLY.....................................................................124 4. HYDRAULIC SYSTEM.........................................................................125 41. DISASSEMBLY AND REASSEMBLY OF MAIN PUMP.............................................127 42. DISASSEMBLY AND REASSEMBLY OF MAIN VALVE............................................130 42.1 DISASSEMBLY....................................................................131 42.2 TREATMENT AFTER DISASSEMBLY....................................................132 42.3 REASSEMBLY.....................................................................133 42.4 ADJUSTMENT OF RELIEF VALVE.....................................................135 43A. DISASSEMBLY AND REASSEMBLY FO BOOM CYLINDER AND BUCKET CYLINDER (L12-3, LX70-7)....136 43A.1 DISASSEMBLY...................................................................137 43A.2 INSPECTION....................................................................138 43A.3 REASEMBLY.....................................................................139 43B. DISASSEMBLY AND REASSEMBLY OF BUCKET CYLINDER (L16-3, LX80-7)......................142 43B.1 DISASSEMBLY...................................................................143 43B.2 INSPECTION....................................................................144 43B.3 REASSEMBLY....................................................................145 44. DISASSEMBLY AND REASSEMBLY OF TRAVEL DAMPER VALVE FOR APS (OPTION)..................148 44.1 DISASSEMBLY....................................................................149 44.2 TREATMENT AFTER DISASSEMBLY....................................................151 44.3 REASSEMBLY.....................................................................151 44.4 ADJUSTMENT OF PRESSURE REDUCING VALVE SET PRESSURE.............................153 44.5 MAINTENACE PROCEDURE OF SOLENOID VALVE.........................................154 5. ELECTRIC UNIT............................................................................157 51. ELECTRICAL EQUIPMENT LAYOUT DRAWING.................................................159 52. WIRE HARNESS (REFERENCE)............................................................166 53. STARTING SYSTEM ELECTRIC CIRCUIT....................................................177 54. ELECTRIC CIRCUIT DIAGRAM............................................................179 6. ENGINE AND ACCESSORY.....................................................................183 GENERAL INFORMATION.....................................................................187 MAINTENANCE.............................................................................213 ENGINE ASSEMBLY 1.......................................................................233 ENGINE ASSEMBLY 2.......................................................................249 ENGINE ASSEMBLY 3.......................................................................279 LUBRICATING SYSTEM......................................................................309 FUEL SYSTEM.............................................................................319 TURBOCHARGER............................................................................329 AIR COMPRESSOR..........................................................................333 ENGINE ELECTRICALS......................................................................341 TROUBLESHOOTING.........................................................................349 SPECIAL TOOL LIST.......................................................................373 REPAIR STANDARDS........................................................................377 CONVERSION TALBE........................................................................397 REVISION REQUEST FORM.......................................................................407
Please Note:
⦁ This is the SAME exact manual used by your dealers to fix your vehicle.
⦁ The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
⦁ Any queries / doubts regarding your purchase, please feel free to contact [email protected]
Blaine Roger –
Very good service !