Fiat Hitachi Excavator EX255 Workshop Manual – PDF DOWNLOAD
FILE DETAILS:
Fiat Hitachi Excavator EX255 Workshop Manual – PDF DOWNLOAD
Language : English
Pages : 344
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Fiat Hitachi Excavator EX255 Workshop Manual – PDF DOWNLOAD
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 information concerning the service procedures.
– If you have any questions or comments, or if you found any errors regarding the contents of this manual, please contact:
SAFETY PRECAUTIONS
RECOGNISE SAFETY INFORMATION
RECOGNISE SAFETY INFORMATION
This is your SAFETY ALERT SYMBOL.
– When you see this symbol on your machine or in this Manual, be alert of the potential for personal
injury.
– Follow recommended precautions and safe operating practices.
– When you see this symbol on your machine or in this Manual, be alert of the potential for personal
injury.
– Follow recommended precautions and safe operating practices.
FOLLOW SAFETY PRECAUTIONS
• Carefully read and observe all safety signs on the machine and read all safety precautions in this Manual.
• Safety signs should be installed, maintained, and replaced when necessary
– If a safety sign or this Manual are damaged or missing, obtain a replacement from your FIATHITACHI Dealer in the same way you order a spare part (be sure to detail machine model and serial number upon ordering).
• Learn how to operate the machine and its controls correctly and safely.
• Allow only trained, qualified, authorised personnel to operate the machine
• Keep the machine in proper working conditions. – Unauthorised changes to the machine may impair function and/or safety and affect machine life.
• Safety messages in this Chapter
“SAFETY PRECAUTIONS”, are intended to illustrate basic safety procedures of the machine. However, it is impossible for these safety messages to cover every hazardous situation you may encounter. If you have any doubts, consult your direct supervisor prior to operating or servicing the machine.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Fiat Hitachi Excavator EX255 Workshop Manual – PDF DOWNLOAD
WORKSHOP MANUAL EXCAVATOR........................................................ 1 INTRODUCTION..................................................................... 2 SAFETY PRECAUTIONS............................................................... 4 SECTION AND GROUP CONTENTS....................................................... 28 SECTION 1 - GENERAL INFORMATION.............................................. 28 GROUP 1 - Precautions for Disassembling.................................. 29 PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING......................... 30 GROUP 2 - Tightening Torque.............................................. 29 TIGHTENING TORQUE SPECIFICATIONS..................................... 34 TORQUE CHART......................................................... 35 PIPING JOINT......................................................... 38 SECTION 2 - UPPERSTRUCTURE................................................... 28 GROUP 1 - Cab............................................................ 42 REMOVE AND INSTALL CAB............................................... 43 GROUP 2 - Counterweight.................................................. 42 REMOVE AND INSTALL COUNTERWEIGHT..................................... 49 GROUP 3 - Main Frame..................................................... 42 REMOVE AND INSTALL MAIN FRAME........................................ 51 GROUP 4 - Pump Device.................................................... 42 REMOVE AND INSTALL PUMP DEVICE....................................... 59 DISASSEMBLE PUMP DEVICE.............................................. 60 ASSEMBLE PUMP DEVICE................................................. 68 DISASSEMBLE REGULATOR................................................ 80 ASSEMBLE REGULATOR................................................... 82 DISASSEMBLE AND ASSEMBLE PILOT PUMP.................................. 84 MAINTENANCE STANDARD................................................. 86 GROUP 5 - Control Valve.................................................. 42 REMOVE AND INSTALL CONTROL VALVE..................................... 89 DISASSEMBLE CONTROL VALVE 1.......................................... 90 ASSEMBLE CONTROL VALVE 1-1........................................... 94 ASSEMBLE CONTROL VALVE 1-2........................................... 96 DISASSEMBLE CONTROL VALVE 2.......................................... 98 ASSEMBLE CONTROL VALVE 2-1...........................................102 ASSEMBLE CONTROL VALVE 2-2...........................................104 DISASSEMBLE CONTROL VALVE 3..........................................106 ASSEMBLE CONTROL VALVE 3-1...........................................110 ASSEMBLE CONTROL VALVE 3-2...........................................114 DISASSEMBLE CONTROL VALVE 4..........................................116 ASSEMBLE CONTROL VALVE 4-1...........................................120 ASSEMBLE CONTROL VALVE 4-2...........................................122 DISASSEMBLE CONTROL VALVE 5..........................................126 ASSEMBLE CONTROL VALVE 5.............................................128 GROUP 6 - Swing Device................................................... 42 REMOVE AND INSTALL SWING DEVICE......................................131 DISASSEMBLE SWING DEVICE.............................................132 ASSEMBLE SWING DEVICE................................................136 DISASSEMBLE SWING MOTOR..............................................142 ASSEMBLE SWING MOTOR.................................................146 MAINTENANCE STANDARD.................................................150 GROUP 7 - Pilot Valve.................................................... 42 REMOVE AND INSTALL RIGHT PILOT VALVE.................................153 REMOVE AND INSTALL LEFT PILOT VALVE..................................156 REMOVE AND INSTALL TRAVEL PILOT VALVE................................159 DISASSEMBLE RIGHT AND LEFT PILOT VALVE...............................160 ASSEMBLE RIGHT AND LEFT PILOT VALVE..................................162 DISASSEMBLE TRAVEL PILOT VALVE.......................................166 ASSEMBLE TRAVEL PILOT VALVE..........................................168 REMOVE AND INSTALL POSITIONING PILOT VALVE...........................172 GROUP 8 - Pilot Shut-Off Valve........................................... 42 REMOVE AND INSTALL PILOT SHUT-OFF VALVE..............................185 DISASSEMBLE PILOT SHUT-OFF VALVE.....................................186 ASSEMBLE PILOT SHUT-OFF VALVE........................................188 GROUP 9 - Shockless Valve................................................ 42 REMOVE AND INSTALL SHOCKLESS VALVE...................................191 DISASSEMBLE AND ASSEMBLE SHOCKLESS VALVE.............................192 GROUP 10 - Solenoid Valve................................................ 42 REMOVE AND INSTALL SOLENOID VALVE UNIT...............................195 DISASSEMBLE PROPORTIONAL SOLENOID VALVE..............................196 ASSEMBLE PROPORTIONAL SOLENOID VALVE.................................198 GROUP 11- Pilot Relief Valve Unit........................................ 42 REMOVE AND INSTALL PILOT RELIEF VALVE UNIT...........................201 DISASSEMBLE PILOT RELIEF VALVE.......................................202 ASSEMBLE PILOT RELIEF VALVE..........................................204 SECTION 3 - UNDERCARRIAGE.................................................... 28 GROUP 1 - Swing Bearing..................................................207 REMOVE AND INSTALL SWING BEARING.....................................208 GROUP 2 - Travel Device..................................................207 REMOVE AND INSTALL TRAVEL DEVICE.....................................210 TRAVEL DEVICE COMPONENTS.............................................211 TRAVEL MOTOR REMOVAL.................................................212 DISASSEMBLE TRAVEL MOTOR.............................................213 ASSEMBLE TRAVEL MOTOR................................................217 DISASSEMBLE BRAKE VALVE..............................................225 ASSEMBLE BRAKE VALVE.................................................227 DISASSEMBLE TRAVEL REDUCTION GEAR....................................229 DISASSEMBLE TRAVEL REDUCTION GEAR....................................230 REASSEMBLY...........................................................235 ASSEMBLE TRAVEL REDUCTION GEAR.......................................236 TRAVEL MOTOR INSTALL.................................................241 MAINTENANCE STANDARD.................................................243 GROUP 3 - Center Joint...................................................207 REMOVE AND INSTALL CENTER JOINT......................................246 DISASSEMBLE CENTER JOINT.............................................247 ASSEMBLE CENTER JOINT................................................249 MAINTENANCE STANDARD.................................................252 GROUP 4 - Track Adjuster.................................................207 REMOVE AND INSTALL TRACK ADJUSTER....................................254 DISASSEMBLE TRACK ADJUSTER...........................................255 ASSEMBLE TRACK ADJUSTER..............................................263 GROUP 5 - Front Idler....................................................207 REMOVE AND INSTALL FRONT IDLER.......................................270 DISASSEMBLE FRONT IDLER..............................................271 ASSEMBLE FRONT IDLER.................................................275 MAINTENANCE STANDARD.................................................277 GROUP 6 - Upper and Lower Roller.........................................207 REMOVE AND INSTALL UPPER ROLLER......................................278 REMOVE AND INSTALL LOWER ROLLER......................................281 DISASSEMBLE UPPER ROLLER.............................................284 DISASSEMBLE LOWER ROLLER.............................................285 ASSEMBLE LOWER ROLLER................................................287 MAINTENANCE STANDARD.................................................289 GROUP 7 - Tracks.........................................................207 REMOVE AND INSTALL TRACKS............................................292 MAINTENANCE STANDARD.................................................296 SECTION 4 - FRONT ATTACHMENT................................................. 28 GROUP 1 - Front attachment...............................................298 REMOVE AND INSTALL FRONT ATTACHMENT..................................299 MAINTENANCE STANDARD (monobloc version)..............................304 BUCKET TEETH.........................................................306 STANDARD DIMENSIONS FOR ARM AND BUCKET CONNECTION....................307 REMOVE AND INSTALL FRONT ATTACHMENT (triple articulation version)....309 MAINTENANCE STANDARD (triple articulation version)...................314 GROUP 2 - Cylinders......................................................298 REMOVE AND INSTALL CYLINDERS.........................................317 HYDRAULIC CIRCUIT PRESSURE RELEASE PROCEDURE.........................328 DISASSEMBLE CYLINDERS................................................330 ASSEMBLE CYLINDERS...................................................336 MAINTENANCE STANDARD.................................................342 SPECIAL TOOLS........................................................343
VIDEO PREVIEW OF THE MANUAL:
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
S.M