Hitachi ZX 225USLC-5B 225USRLC-5B Hydraulic Excavator Workshop Manual
File Details:
Hitachi ZX 225USLC-5B 225USRLC-5B Hydraulic Excavator Workshop Manual
- Manual Language:English
- Pages: 1100+
- Size: 13.5 MB
- Downloadable:Yes
- Format:PDF
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Description:
Hitachi ZX 225USLC-5B 225USRLC-5B Hydraulic Excavator Workshop Manual
TO THE READER
This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine. The machine specification and description according to destination may be explained on this manual.
• 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 other materials (operator’s manual, parts catalog, engine technical material and Hitachi training material etc.) in addition to this manual.
MANUAL COMPOSITION
This manual consists the Technical Manual and the Workshop Manual.
• Information included in the Technical Manual: technical information needed for redelivery and delivery, operation and activation of all devices and systems, 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 ZX 225USLC-5B 225USRLC-5B Hydraulic Excavator Workshop Manual
WDCN-EN-00.................................................................. 1 INTRODUCTION................................................................ 3 SYMBOL AND ABBREVIATION..................................................... 5 SAFETY...................................................................... 7 SECTION AND GROUP CONTENTS.................................................. 47 SECTION 1 GENERAL........................................................... 49 Group 1 Precautions for Disassembling and Assembling.................... 51 Precautions for Disassembling and Assembling........................ 51 Group 2 Tightening...................................................... 57 Tightening Bolts and Nuts........................................... 57 Piping Joint........................................................ 60 Group 3 Painting........................................................ 67 Painting............................................................ 67 Group 4 Bleeding Air.................................................... 69 Bleeding Air from Hydraulic Oil Tank................................ 69 Bleeding Air from Hydraulic System.................................. 70 Bleeding Air from Fuel System....................................... 71 Bleeding Air from Radiator.......................................... 73 Group 5 Pressure Release Procedure...................................... 75 Hydraulic Circuit Pressure Release Procedure........................ 75 Group 6 Preparation..................................................... 77 Preparation before Inspection and Maintenance....................... 77 SECTION 2 MAINTENANCE STANDARD.............................................. 81 Group 1 Upperstructure.................................................. 83 Pump Device......................................................... 83 Swing Motor......................................................... 87 Group 2 Undercarriage................................................... 91 Travel Motor........................................................ 91 Sprocket............................................................ 93 Front Idler......................................................... 95 Upper Roller........................................................ 97 Lower Roller........................................................ 98 Track............................................................... 99 Group 3 Front Attachment................................................103 Pin and Bushing.....................................................103 Side Cutter (2014503, 2014504)......................................105 Point (4427919).....................................................106 Standard Dimensions for Arm and Bucket Connection...................107 Standard Dimensions for Arm and Boom Connection.....................108 Cylinder............................................................109 SECTION 3 UPPERSTRUCTURE....................................................113 Group 1 Cab.............................................................115 Removal and Installation of Cab.....................................115 Dimensions of Cab Glass.............................................143 Group 2 Counterweight...................................................163 Removal and Installation of Counterweight (ZX225USLC-5B)............163 Removal and Installation of Counterweight (ZX225USRLC-5B)...........165 Group 3 Main Frame......................................................167 Removal and Installation of Main Frame..............................167 Group 4 Engine..........................................................179 Removal and Installation of Engine (ZX225USLC-5B)...................179 Removal and Installation of Engine (ZX225USRLC-5B)..................203 Group 8 Pump Device.....................................................227 Removal and Installation of Pump Device (ZX225USLC-5B)..............227 Removal and Installation of Pump Device (ZX225USRLC-5B).............241 Removal and Installation of Coupling................................255 Disassembly of Pump Device..........................................259 Assembly of Pump Device.............................................267 Disassembly of Regulator............................................279 Assembly of Regulator...............................................281 Disassembly of Solenoid Valve.......................................283 Assembly of Solenoid Valve..........................................285 Structure of Pilot Pump.............................................287 Group 9 Control Valve...................................................289 Removal and Installation of Control Valve...........................289 Disassembly of Housing..............................................309 Assembly of Housing.................................................311 Disassembly of Control Valve (A Side)...............................313 Assembly of Control Valve (A Side)..................................321 Disassembly of Control Valve (B Side)...............................333 Assembly of Control Valve (B Side)..................................342 Group 10 Swing Device...................................................355 Removal and Installation of Swing Device............................355 Disassembly of Swing Device.........................................359 Assembly of Swing Device............................................364 Disassembly of Swing Motor..........................................371 Assembly of Swing Motor.............................................374 Group 11 Pilot Valve....................................................377 Removal and Installation of Pilot Valve (Left)......................377 Removal and Installation of Pilot Valve(Right)......................383 Removal and Installation of Travel Pilot Valve......................391 Disassembly of Pilot Valves (Right and Left)........................395 Assembly of Pilot Valves (Right and Left)...........................398 Disassembly of Travel Pilot Valve...................................401 Assembly of Travel Pilot Valve......................................405 Group 12 Solenoid Valve.................................................411 Removal and Installation of Pilot Shut-Off Solenoid Valve...........411 Removal and Installation of 5-Spool Solenoid Valve Unit.............415 Removal and Installation of 2-Spool Solenoid Valve Unit.............421 Disassembly of Pilot Shut-Off Solenoid Valve........................425 Assembly of Pilot Shut-Off Solenoid Valve...........................427 Structure of 5-Spool Solenoid Valve Unit............................429 Structure of 2-Spool Solenoid Valve Unit............................431 Group 13 Signal Control Valve...........................................433 Removal and Installation of Signal Control Valve....................433 Structure of Signal Control Valve...................................441 Group 14 Muffler Filter.................................................443 Removal and Installation of Muffler Filter (ZX225USLC-5B)...........443 Removal and Installation of Muffler Filter (ZX225USRLC-5B)..........457 Disassembly of Muffler Filter.......................................471 Assembly of Muffler Filter..........................................473 SECTION 4 UNDERCARRIAGE.....................................................477 Group 1 Swing Bearing...................................................479 Removal and Installation of Swing Bearing...........................479 Disassembly of Swing Bearing........................................483 Assembly of Swing Bearing...........................................486 Group 2 Travel Device...................................................489 Removal and Installation of Travel Device...........................489 Disassembly of Travel Device........................................493 Assembly of Travel Device...........................................497 Disassembly of Travel Motor.........................................505 Assembly of Travel Motor............................................508 Disassembly of Brake Valve..........................................513 Assembly of Brake Valve.............................................515 Precautions for Using Floating Seal.................................517 Group 3 Center Joint....................................................519 Removal and Installation of Center Joint............................519 Disassembly of Center Joint.........................................523 Assembly of Center Joint............................................525 Replacement of Body and Spindle.....................................528 Group 4 Track Adjuster..................................................529 Removal and Installation of Track Adjuster..........................529 Disassembly of Front Idler..........................................533 Assembly of Front Idler.............................................536 Disassembly of Track Adjuster.......................................539 Assembly of Track Adjuster..........................................543 Precautions for Using Floating Seal.................................547 Group 5 Upper and Lower Rollers.........................................549 Removal and Installation of Upper Roller............................549 Removal and Installation of Lower Roller............................553 Disassembly of Lower Roller.........................................559 Assembly of Lower Roller............................................561 Precautions for Using Floating Seal.................................563 Group 6 Track...........................................................565 Removal and Installation of Track...................................565 SECTION 5 FRONT ATTACHMENT..................................................573 Group 1 Front Attachment................................................575 Removal and Installation of Front Attachment........................575 Group 2 Cylinder........................................................581 Removal and Installation of Boom Cylinder...........................581 Removal and Installation of Arm Cylinder............................585 Removal and Installation of Bucket Cylinder.........................591 Disassembly of Boom, Arm, Bucket Cylinders..........................595 Assembly of Boom, Arm, Bucket Cylinders.............................599 Group 3 Hose Rupture Valve..............................................603 Removal and Installation of Hose Rupture Valve for Boom Cylinder....603 Removal and Installation of Hose Rupture Valve for Arm Cylinder.....605 Structure of Hose Rupture Valve for Boom Cylinder (Right)...........607 Structure of Hose Rupture Valve for Boom Cylinder (Left)............609 Structure of Hose Rupture Valve for Arm Cylinder....................611 SERVICE MANUAL REVISION REQUEST FORM........................................615
Please Note:
⦁ This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
⦁ Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
Coen Abner –
always a pleasure