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Hitachi ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 Excavator Workshop Manual – PDF DOWNLOAD
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Hitachi ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 Excavator Workshop Manual
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Description
Hitachi ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 Excavator Workshop Manual
FILE DETAILS:
Hitachi ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 Excavator Workshop Manual
Language : English
Pages : 490
Downloadable : Yes
File Type : PDF
Size: 11.5 MB
Part No : W1V7-E-00
DESCRIPTION:
Hitachi ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 Excavator Workshop Manual
INTRODUCTION:
TO THE READER:
• This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine.
• Be sure to thoroughly read this manual for correct product information and service procedures.
• If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this manual.
ADDITIONAL REFERENCES:
• Please refer to the materials listed below in addition to this manual.
• The Operator’s Manual
• The Parts Catalog
• The Engine Manual
• Parts Catalog of the Engine
• Hitachi Training Material
MANUAL COMPOSITION:
• This manual consists of three portions: the Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Manual.
• Information included in the Technical Manual (Operational Principle): technical information needed for redelivery and delivery, operation and activation of all devices and systems.
• Information included in the Technical Manual (Troubleshooting): technical information needed for operational performance tests, and troubleshooting procedures.
• Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assemble/ disassemble procedures.
TABLE OF CONTENTS:
Hitachi ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 Excavator Workshop Manual
COVER.............................................................. 1 INTRODUCTION....................................................... 3 SAFETY............................................................. 5 CONTENTS........................................................... 41 SECTION 1 GENERAL.................................................. 43 Precautions for Disassembling and Assembling................... 45 PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING............... 45 MAINTENANCE STANDARD TERMINOLOGY........................... 51 Tightening Torque.............................................. 53 TIGHTENING TORQUE SPECIFICATION............................ 53 TORQUE CHART............................................... 54 PIPING JOINT............................................... 57 PERIODIC REPLACEMENT OF PARTS.............................. 61 Painting....................................................... 63 PAINTING................................................... 63 Bleeding Air from Hydraulic Oil Tank........................... 67 BLEEDING AIR FROM HYDRAULIC OIL TANK....................... 67 SECTION 2 UPPERSTRUCTURE........................................... 71 Cab............................................................ 73 REMOVE AND INSTALL CAB..................................... 73 DIMENSIONS OF THE CAB GLASS................................ 81 Counterweight.................................................. 95 REMOVE AND INSTALL COUNTERWEIGHT........................... 95 Main Frame..................................................... 97 REMOVE AND INSTALL MAIN FRAME.............................. 97 Pump Device....................................................105 REMOVE AND INSTALL PUMP DEVICE.............................105 DISASSEMBLE PUMP DEVICE....................................112 ASSEMBLE PUMP DEVICE.......................................118 DISASSEMBLE MAIN PUMP......................................126 ASSEMBLE MAIN PUMP.........................................134 DISASSEMBLE REGULATOR......................................148 ASSEMBLE REGULATOR.........................................150 DISASSEMBLE PILOT PUMP.....................................152 ASSEMBLE PILOT PUMP........................................154 Control Valve..................................................157 REMOVE AND INSTALL CONTROL VALVE...........................157 DISASSEMBLE CONTROL VALVE 4-SPOOL SIDE.....................160 ASSEMBLE CONTROL VALVE 4-SPOOL SIDE........................172 DISASSEMBLE CONTROL VALVE 5-SPOOL SIDE.....................190 ASSEMBLE CONTROL VALVE 5-SPOOL SIDE........................202 DISASSEMBLE HOUSING........................................214 ASSEMBLE HOUSING...........................................216 Swing Device...................................................219 REMOVE AND INSTALL SWING DEVICE............................219 DISASSEMBLE SWING DEVICE...................................222 ASSEMBLE SWING DEVICE......................................230 DISASSEMBLE SWING MOTOR....................................238 ASSEMBLE SWING MOTOR.......................................242 STRUCTURE OF SWING PARKING BRAKE SWITCH VALVE..............246 MAINTENANCE STANDARD.......................................247 Pilot Valve....................................................249 REMOVE AND INSTALL PILOT VALVE.............................249 DISASSEMBLE RIGHT AND LEFT PILOT VALVES....................266 ASSEMBLE RIGHT AND LEFT PILOT VALVES.......................270 DISASSEMBLE TRAVEL PILOT VALVE.............................274 ASSEMBLE TRAVEL PILOT VALVE................................278 DISASSEMBLE POSITIONING PILOT VALVE (2-PIECE BOOM ONLY)....284 ASSEMBLE POSITIONING PILOT VALVE (2-PIECE BOOM ONLY).......286 Pilot Shut-Off Solenoid Valve..................................289 REMOVE AND INSTALL PILOT SHUT-OFF SOLENOID VALVE...........289 DISASSEMBLE PILOT SHUT-OFF SOLENOID VALVE..................290 ASSEMBLE PILOT SHUT-OFF SOLENOID VALVE.....................292 Signal Control Valve...........................................295 REMOVE AND INSTALL SIGNAL CONTROL VALVE....................295 STRUCTURE OF SIGNAL CONTROL VALVE..........................298 4-Spool Solenoid Valve Unit....................................301 REMOVE AND INSTALL 4-SPOOL SOLENOID VALVE..................301 STRUCTURE OF 4-SPOOL SOLENOID VALVE UNIT...................302 Engine.........................................................305 REMOVE AND INSTALL ENGINE..................................305 SECTION 3 UNDERCARRIAGE............................................331 Swing Bearing..................................................333 REMOVE AND INSTALL SWING BEARING...........................333 DISASSEMBLE SWING BEARING..................................336 ASSEMBLE SWING BEARING.....................................338 Travel Device..................................................341 REMOVE AND INSTALL TRAVEL DEVICE...........................341 DISASSEMBLE TRAVEL DEIVCE..................................344 ASSEMBLE TRAVEL DEVICE.....................................350 DISASSEMBLE TRAVEL MOTOR...................................358 ASSEMBLE TRAVEL MOTOR......................................362 DISASSEMBLE BRAKE VALVE....................................368 ASSEMBLE BRAKE VALVE.......................................370 MAINTENANCE STANDARD.......................................372 Center Joint...................................................375 REMOVE AND INSTALL CENTER JOINT............................375 DISASSEMBLE CENTER JOINT...................................378 ASSEMBLE CENTER JOINT......................................380 Track Adjuster.................................................383 REMOVE AND INSTALL TRACK ADJUSTER..........................383 DISASSEMBLE TRACK ADJUSTER.................................384 ASSEMBLE TRACK ADJUSTER....................................388 Front Idler....................................................393 REMOVE AND INSTALL FRONT IDLER.............................393 DISASSEMBLE FRONT IDLER....................................394 ASSEMBLE FRONT IDLER.......................................398 MAINTENANCE STANDARD.......................................402 Upper And Lower Roller.........................................403 REMOVE AND INSTALL UPPER ROLLER............................403 REMOVE AND INSTALL LOWER ROLLER............................406 DISASSEMBLE LOWER ROLLER...................................410 ASSEMBLE LOWER ROLLER......................................412 MAINTENANCE STANDARD.......................................414 Track..........................................................417 REMOVE AND INSTALL TRACK...................................417 MAINTENANCE STANDARD.......................................423 SECTION 4 FRONT ATTACHMENT.........................................429 Front Attachment...............................................431 HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE...............431 REMOVE AND INSTALL FRONT ATTACHMENT (MONO BOOM)............432 REMOVE AND INSTALL FRONT ATTACHMENT (2-PIECE BOOM).........440 MAINTENANCE STANDARD.......................................448 STANDARD DIMENSIONS FOR ARM AND BUCKET CONNECTION..........452 STANDARD DIMENSIONS FOR ARM AND BOOM CONNECTION............453 Cylinder.......................................................455 HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE...............455 REMOVE AND INSTALL CYLINDER................................456 DISASSEMBLE BOOM, ARM, BUCKET CYLINDERS....................472 DISASSEMBLE POSITIONING CYLINDER...........................478 ASSEMBLE BOOM, ARM, BUCKET CYLINDERS.......................480 ASSEMBLE POSITIONING CYLINDER..............................484 MAINTENANCE STANDARD.......................................486 SERVICE MANUAL REVISION REQUEST FORM...............................489
HITACHI ZAXIS 330-3 330LC-3 350H-3 350LCH-3 350LCK-3 350LC-3 350LCN-3 EXCAVATOR WORKSHOP MANUAL – PDF DOWNLOAD:
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PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
- Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
