Hitachi ZX210LCN-G Hydraulic Excavator Workshop Manual – Hitachi ZX210LCN-G
File Details:
Hitachi ZX210LCN-G Hydraulic Excavator Workshop Manual – Hitachi ZX210LCN-G
- Manual Language:English
- Pages: 412
- Size: 6.55 MB
- Downloadable:Yes
- Format:PDF
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Description:
Hitachi ZX210LCN-G Hydraulic Excavator Workshop Manual – Hitachi ZX210LCN-G
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 ZX210LCN-G Hydraulic Excavator Workshop Manual – Hitachi ZX210LCN-G
WDC390-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 andAssembling................ 51 Group 2 Tightening............................................. 57 Tightening Bolts and Nuts.................................. 57 Piping Joint............................................... 60 Group 3 Painting............................................... 65 Painting................................................... 65 Group 4 Bleeding Air........................................... 67 Bleeding Air from Hydraulic Oil Tank....................... 67 Bleeding Air from Hydraulic System......................... 68 Bleeding Air from Fuel System.............................. 69 Bleeding Air from Radiator................................. 71 Group 5 Pressure Release Procedure............................. 73 Hydraulic Circuit Pressure Release Procedure............... 73 Group 6 Preparation............................................ 75 Preparation before Inspection and Maintenance.............. 75 SECTION 2 MAINTENANCE STANDARD..................................... 79 Group 1 Upperstructure......................................... 81 Pump Device................................................ 81 Swing Motor................................................ 83 Group 2 Undercarriage.......................................... 87 Travel Motor............................................... 87 Sprocket................................................... 89 Front Idler................................................ 91 Upper Roller............................................... 93 Lower Roller............................................... 94 Track...................................................... 95 Group 3 Front Attachment....................................... 99 Pin and Bushing............................................ 99 Side Cutter (2014503, 2014504).............................101 Point (4427919)............................................102 Standard Dimensions for Arm and Bucket Connection..........103 Standard Dimensions for Arm and Boom Connection............104 Cylinder...................................................105 SECTION 3 UPPERSTRUCTURE...........................................109 Group 1 Cab....................................................111 Removal and Installation of Cab............................111 Dimensions of The Cab Glass................................121 Group 2 Counterweight..........................................131 Removal and Installation of Counterweight..................131 Group 3 Main Frame.............................................133 Removal and Installation of Main Frame.....................133 Group 8 Pump Device............................................139 Removal and Installation of Pump Device....................139 Disassembly of Pump Device.................................149 Assembly of Pump Device....................................156 Disassembly of Regulator...................................167 Assembly of Regulator......................................169 Disassembly of Solenoid Valve..............................171 Assembly of Solenoid Valve.................................173 Structure of Pilot Pump....................................175 Group 9 Control Valve..........................................177 Removal and Installation Control Valve.....................177 Disassembly of Housing.....................................187 Assembly of Housing........................................189 Disassembly of Control Valve (4-Spool Side)................191 Assembly of Control Valve (4-Spool Side)...................200 Disassembly of Control Valve (5-Spool Side)................209 Assembly of Control Valve (5-Spool Side)...................218 Group 10 Swing Device..........................................227 Removal and Installation of Swing Device...................227 Disassembly of Swing Device................................231 Assembly of Swing Device...................................236 Group 11 Pilot Valve...........................................243 Removal and Installation of Pilot Valve (Left).............243 Removal and Installation of Pilot Valve (Right)............249 Removal and Installation of Travel Pilot Valve.............255 Disassembly of Pilot Valves (Right and Left)...............259 Assembly of Pilot Valves (Right and Left)..................262 Disassembly of Travel Pilot Valve..........................265 Assembly of Travel Pilot Valve.............................269 Group 12 Pilot Shut-Off Valve..................................275 Removal and Installation of Pilot Shut-Off Valve...........275 Removal and Installation of 3-Spool Solenoid Valve Unit....279 Group 13 Signal Control Valve..................................283 Removal and Installation of Signal Control Valve...........283 SECTION 4 UNDERCARRIAGE............................................287 Group 1 Swing Bearing..........................................289 Removal and Installation of Swing Bearing..................289 Disassembly of Swing Bearing...............................293 Assembly of Swing Bearing..................................296 Group 2 Travel Device..........................................299 Removal and Installation of Travel Device..................299 Disassembly of Travel Device...............................303 Assembly of Travel Device..................................307 Disassembly of Brake Valve.................................315 Assembly of Brake Valve....................................317 Precautions for Using Floating Seal........................319 Group 3 Center Joint...........................................323 Disassembly of Center Joint................................323 Assembly of Center Joint...................................325 Replacement of Body and Spindle............................328 Group 4 Track Adjuster.........................................329 Removal and Installation of Track Adjuster.................329 Disassembly of Front Idler.................................333 Assembly of Front Idler....................................336 Disassembly of Track Adjuster..............................339 Assembly of Track Adjuster.................................343 Precautions for Using Floating Seal........................347 Group 5 Upper and Lower Rollers................................349 Removal and Installation of Upper Roller...................349 Removal and Installation of Lower Roller...................353 Disassembly of Lower Roller................................359 Assembly of Lower Roller...................................361 Precautions for Using Floating Seal........................363 Group 6 Track..................................................365 Removal and Installation of Track..........................365 SECTION 5 FRONT ATTACHMENT.........................................373 Group 1 Front Attachment.......................................375 Removal and Installation of Front Attachment...............375 Group 2 Cylinder...............................................381 Removal and Installation of Boom Cylinder..................381 Removal and Installation of Arm Cylinder...................385 Removal and Installation of Bucket Cylinder................391 Disassembly of Boom, Arm Cylinder..........................395 Assembly of Boom, Arm Cylinder.............................399 Disassembly of Bucket Cylinder.............................403 Assembly of Bucket Cylinder................................406 SERVICE MANUAL REVISION REQUEST FORM...............................411
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