Hitachi Ex1200-5D Excavator Technical Workshop Manual (W18F-E-00)
File Details:
Hitachi Ex1200-5D Excavator Technical Workshop Manual (W18F-E-00)
- Manual Language:English
- Pages: 469
- Size: 7.75 MB
- Downloadable:Yes
- Format:PDF
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Description:
Hitachi Ex1200-5D Excavator Technical Workshop Manual (W18F-E-00)
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
• Operation Manual of the Engine
• 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 Ex1200-5D Excavator Technical Workshop Manual (W18F-E-00)
COVER............................................................................................................... 1 INTRODUCTION........................................................................................................ 3 SAFETY.............................................................................................................. 5 ALL CONTENTS........................................................................................................ 33 SECTION 1 GENERAL INFORMATION....................................................................................... 35 GROUP 1 Precautions for Disassembling and Assembling............................................................ 37 PRECAUTIONS FOR DISASSEMBLING AND ASSEMBLING................................................................ 37 MAINTENANCE STANDARD TERMINOLOGY............................................................................ 43 GROUP 2 Tightening.............................................................................................. 45 TIGHTENING TORQUE SPECIFICATIONS............................................................................ 45 TORQUE CHART................................................................................................ 47 PIPING JOINT................................................................................................ 50 PERIODIC REPLACEMENT OF PARTS............................................................................... 54 SECTION 2 UPPERSTRUCTURE............................................................................................ 55 GROUP 1 Cab..................................................................................................... 57 REMOVE AND INSTALL CAB...................................................................................... 57 Dimensions of the Cab Glass................................................................................. 71 GROUP 2 Counterweight........................................................................................... 75 REMOVE AND INSTALL COUNTERWEIGHT............................................................................ 75 GROUP 3 Pump Device............................................................................................. 77 REMOVE AND INSTALL PUMP DEVICE.............................................................................. 77 DISASSEMBLE PUMP TRANSMISSION............................................................................... 80 ASSEMBLE PUMP TRANSMISSION.................................................................................. 82 DISASSEMBLE MAIN PUMP....................................................................................... 84 ASSEMBLE MAIN PUMP.......................................................................................... 88 MAINTENANCE STANDARD........................................................................................ 90 DISASSEMBLE REGULATOR (MAIN PUMP)........................................................................... 92 ASSEMBLE REGULATOR (MAIN PUMP).............................................................................. 96 DISASSEMBLE PUMP OF OIL COOLER FAN MOTOR....................................................................102 ASSEMBLE PUMP OF OIL COOLER FAN MOTOR.......................................................................106 MAINTENANCE STANDARD........................................................................................108 DISASSEMBLE REGULATOR (Pump for Driving Oil Cooler Fan Motor) ..............................................110 ASSEMBLE REGULATOR (Pump for Driving Oil Cooler Fan Motor)..................................................114 CONFIGURATION OF PILOT PUMP.................................................................................120 CONFIGURATION OF PUMP FOR LUBRICATING PUMP TRANSMISSION.....................................................122 GROUP 4 Control Valve...........................................................................................125 REMOVE AND INSTALL CONTROL VALVE............................................................................125 DISASSEMBLE MAIN CONTROL VLAVE 1 (5-SPOOL SECTION)..........................................................130 ASSEMBLE MAIN CONTROL VALVE 1 (5-SPOOL SECTION).............................................................134 DISASSEMBLE MAIN CONTROL VALVE 2 (5-SPOOL SECTION)..........................................................140 ASSEMBLE MAIN CONTROL VALVE 2 (5-SPOOL SECTION).............................................................142 DISASSEMBLE MAIN CONTROL VALVE 1 (4-SPOOL SECTION)..........................................................144 ASSEMBLE MAIN CONTROL VALVE 1 (4-SPOOL SECTION).............................................................152 DISASSEMBLE MAIN CONTROL VALVE 2 (4-SPOOL SECTION)..........................................................158 ASSEMBLE MAIN CONTROL VALVE 2 (4-SPOOL SECTION).............................................................160 DISASSEMBLE MANIFOLD........................................................................................162 ASSEMBLE MANIFOLD...........................................................................................164 DISASSEMBLE SWING CONTROL VALVE 1...........................................................................166 ASSEMBLE SWING CONTROL VALVE 1..............................................................................172 DISASSEMBLE SWING CONTROL VALVE 2...........................................................................176 ASSEMBLE SWING CONTROL VALVE 2..............................................................................178 GROUP 5 Swing Device............................................................................................181 REMOVE AND INSTALL SWING DEVICE.............................................................................181 Disassemble Swing Reduction Gear............................................................................186 Assemble Swing Reduction Gear...............................................................................192 DISASSEMBLE SWING MOTOR.....................................................................................196 Assemble Swing Motor........................................................................................200 DISASSEMBLE AND ASSEMBLE SWING PARKING BRAKE RELEASING VALVE................................................204 MAINTENANCE STANDARD........................................................................................206 GROUP 6 Pilot Valve.............................................................................................209 REMOVE AND INSTALL RIGHT PILOT VALVE........................................................................209 REMOVE AND INSTALL LEFT PILOT VALVE.........................................................................213 REMOVE AND INSTALL TRAVEL PILOT VALVE. REMOVE AND INSTALL BUCKET PILOT VALVE (FOR LOADING SHOVEL ONLY)....217 DISASSEMBLE FRONT PILOT VALVES..............................................................................222 ASSEMBLE FRONT PILOT VALVES.................................................................................226 DISASSEMBLE TRAVEL PILOT VALVE..............................................................................230 ASSEMBLE TRAVEL PILOT VALVE.................................................................................234 DISASSEMBLE PILOT VALVE FOR BUCKET OPENING /CLOSING.........................................................240 ASSEMBLE PILOT VALVE FOR BUCKET OPENING/CLOSING.............................................................242 GROUP 7 Pilot Shut-off Valve....................................................................................245 REMOVE AND INSTALL PILOT SHUT-OFF VALVE.....................................................................245 DISASSEMBLE PILOT SHUT-OFF VALVE............................................................................248 ASSEMBLE PILOT SHUT-OFF VALVE...............................................................................250 GROUP 8 Shockless Valve.........................................................................................253 REMOVE AND INSTALL FRONT ATTACHMENT SHOCKLESS VALVE.........................................................253 DISASSEMBLE AND ASSEMBLE THE SHOCKLESS VALVE................................................................255 GROUP 9 Solenoid Valve..........................................................................................257 REMOVE AND INSTALL SOLENOID VALVE...........................................................................257 DISASSEMBLE 2-SPOOL EHC VALVE (BOOST SOLENOID VALVE, CONTROL SOLENOID VALVE FOR OIL COOLER FAN).............260 ASSEMBLE 2-SPOOL EHC VALVE (BOOST SOLENOID VALVE, CONTROL SOLENOID VALVE FOR OIL COOLER FAN)................262 GROUP 10 Signal Control Valve...................................................................................267 REMOVE AND INSTALL SIGNAL CONTROL VALVE.....................................................................267 PILOT PORT..................................................................................................269 GROUP 11 Oil Cooler Fan Motor...................................................................................271 REMOVE AND INSTALL OIL COOLER FAN MOTOR.....................................................................271 DISASSEMBLE OIL COOLER FAN MOTOR............................................................................274 ASSEMBLE OIL COOLER FAN MOTOR...............................................................................276 SECTION 3 UNDERCARRIAGE.............................................................................................279 GROUP 1 Swing Bearing...........................................................................................281 REMOVE AND INSTALL SWING BEARING............................................................................281 DISASSEMBLE SWING BEARING...................................................................................284 ASSEMBLE SWING BEARING......................................................................................286 GROUP 2 Travel Device...........................................................................................289 REMOVE AND INSTALL TRAVEL DEVICE............................................................................289 DISASSEMBLE TRAVEL REDUCER..................................................................................292 ASSEMBLE TRAVEL REDUCER.....................................................................................298 DISASSEMBLE TRAVEL MOTOR....................................................................................306 ASSEMBLE TRAVEL MOTOR.......................................................................................310 DISASSEMBLE TRAVEL BRAKE VALVE..............................................................................314 ASSEMBLE TRAVEL BRAKE VALVE.................................................................................318 MAITENANCE STANDARD.........................................................................................320 GROUP 3 Center Joint............................................................................................323 REMOVE AND INSTALL CENTER JONT..............................................................................323 DISASSEMBLE CENTER JOINT....................................................................................326 ASSEMBLE CENTER JOINT.......................................................................................328 MAINTENANCE STANDARD........................................................................................332 GROUP 4 Track Adjuster..........................................................................................333 REMOVE AND INSTALL TRACK ADJUSTER...........................................................................333 DISASSEMBLE TRACK ADJUSTER..................................................................................334 ASSEMBLE TRACK ADJUSTER.....................................................................................340 GROUP 5 Front Idler.............................................................................................347 REMOVE AND INSTALL FRONT IDLER..............................................................................347 DISASSEMBLE FRONT IDLER.....................................................................................348 ASSEMBLE FRONT IDLER........................................................................................352 MAINTENANCE STANDARD........................................................................................354 GROUP 6 Upper And Lower Roller..................................................................................355 REMOVE AND INSTALL UPPER ROLLER.............................................................................355 REMOVE AND INSTALL LOWER ROLLER.............................................................................357 DISASSEMBLE UPPER ROLLER....................................................................................360 ASSEMBLE UPPER ROLLER.......................................................................................362 DISASSEMBLE LOWER ROLLER....................................................................................364 ASSEMBLE LOWER ROLLER.......................................................................................366 MAINTENANCE STANDARD........................................................................................368 GROUP 7 Track...................................................................................................371 REMOVE AND INSTALL TRACKS...................................................................................371 MAINTENANCE STANDARD........................................................................................377 SECTION 4 FRONT ATTACHMENT..........................................................................................381 GROUP 1 Front Attachment........................................................................................383 REMOVE AND INSTALL FRONT ATTACHMENT.........................................................................383 REMOVE AND INSTALL BUCKET AND ARM (BACKHOE).................................................................384 REMOVE AND INSTALL BUCKET AND ARM (LOADING SHOVEL)..........................................................392 REMOVE AND INSTALL BOOM (BACKHOE, LOADING SHOVEL)...........................................................396 GREASING (BACKHOE)..........................................................................................400 GREASING (LOADING SHOVEL)...................................................................................401 GROUP 2 Cylinder................................................................................................403 REMOVE AND INSTALL CYLINDER.................................................................................403 DISASSEMBLE CYLINDER........................................................................................437 ASSEMBLE CYLINDER...........................................................................................444 AIR BLEEDING PROCEDURE......................................................................................452 MAINTENANCE STANDARD........................................................................................453 GROUP 3 Bushing and Point.......................................................................................455 REMOVE AND INSTALL BUSHING..................................................................................455 MAINTENANCE STANDARD........................................................................................460 REVISION REQUEST FORM...............................................................................................469
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⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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