Hitachi ZX290LC-5B ZX290LCN-5B Hydraulic Excavator Workshop Manual
File Details:
Hitachi ZX290LC-5B ZX290LCN-5B Hydraulic Excavator Workshop Manual
- Manual Language:English
- Downloadable:Yes
- Pages: 582
- Size: 17.7 MB
- Format:PDF
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Description:
Hitachi ZX290LC-5B ZX290LCN-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.
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, the Workshop Manual and the Engine 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.
Information included in the Engine Manual: Technical information needed for redelivery and delivery and maintenance and repair of the machine, operation and activation of all devices and systems, troubleshooting and assemble / disassemble procedures.
Table of Contents:
Hitachi ZX290LC-5B ZX290LCN-5B Hydraulic Excavator Workshop Manual
WDDA-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............................................................... 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................................................................ 85 Group 2 Undercarriage.......................................................... 89 Travel Motor............................................................... 89 Sprocket................................................................... 91 Front Idler................................................................ 93 Upper Roller............................................................... 95 Lower Roller............................................................... 96 Track...................................................................... 97 Group 3 Front Attachment.......................................................101 Pin and Bushing............................................................101 Side Cutter (2021232, 2021233).............................................103 Point (4512365)............................................................104 Standard Dimensions for Arm and Bucket Connection..........................105 Standard Dimensions for Arm and Boom Connection............................106 Cylinder...................................................................107 SECTION 3 UPPERSTRUCTURE...........................................................111 Group 1 Cab....................................................................113 Removal and Installation of Cab............................................113 Dimensions of Cab Glass....................................................129 Group 2 Counterweight..........................................................149 Removal and Installation of Counterweight..................................149 Group 3 Main Frame.............................................................151 Removal and Installation of Main Frame.....................................151 Group 4 Engine.................................................................159 Removal and Installation of Engine.........................................159 Group 5 Radiator Assembly......................................................183 Replacement of Radiator, Oil Cooler, and Intercooler.......................183 Group 6 Hydraulic Oil Tank.....................................................197 Removal and Installation of Hydraulic Oil Tank.............................197 Group 7 Fuel Tank..............................................................205 Removal and Installation of Fuel Tank......................................205 Group 8 Pump Device............................................................215 Removal and Installation of Pump Device....................................215 Removal and Installation of Coupling.......................................225 Disassembly of Pump Device.................................................229 Assembly of Pump Device....................................................237 Disassembly of Regulator...................................................249 Assembly of Regulator......................................................251 Disassembly of Solenoid Valve..............................................253 Assembly of Solenoid Valve.................................................255 Structure of Pilot Pump....................................................257 Group 9 Control Valve..........................................................259 Removal and Installation of Control Valve..................................259 Disassembly of Housing.....................................................279 Assembly of Housing........................................................281 Disassembly of Control Valve (A Side)......................................283 Assembly of Control Valve (A Side).........................................291 Disassembly of Control Valve (B Side)......................................303 Assembly of Control Valve (B Side).........................................312 Group 10 Swing Device..........................................................325 Removal and Installation of Swing Device...................................325 Disassembly of Swing Device................................................329 Assembly of Swing Device...................................................334 Disassembly of Swing Motor.................................................341 Assembly of Swing Motor....................................................344 Structure of Swing Parking Brake Switch Valve..............................347 Group 11 Pilot Valve...........................................................349 Removal and Installation of Pilot Valve (Left).............................349 Removal and Installation of Pilot Valve (Right)............................355 Removal and Installation of Travel Pilot Valve.............................363 Disassembly of Pilot Valves (Right and Left)...............................367 Assembly of Pilot Valves (Right and Left)..................................370 Disassembly of Travel Pilot Valve..........................................373 Assembly of Travel Pilot Valve.............................................377 Group 12 Solenoid Valve........................................................383 Removal and Installation of Pilot Shut-Off Solenoid Valve..................383 Removal and Installation of 5-Spool Solenoid Valve Unit....................387 Removal and Installation of 2-Spool Solenoid Valve Unit....................391 Disassembly of Pilot Shut-Off Solenoid Valve...............................395 Assembly of Pilot Shut-Off Solenoid Valve..................................397 Structure of 5-Spool Solenoid Valve Unit...................................399 Structure of 2-Spool Solenoid Valve Unit...................................401 Group 13 Signal Control Valve..................................................403 Removal and Installation of Signal Control Valve...........................403 Structure of Signal Control Valve..........................................409 Group 14 Muffler Filter........................................................411 Removal and Installation of Muffler Filter.................................411 Disassembly of Muffler Filter..............................................423 Assembly of Muffler Filter.................................................425 SECTION 4 UNDERCARRIAGE............................................................429 Group 1 Swing Bearing..........................................................431 Removal and Installation of Swing Bearing..................................431 Disassembly of Swing Bearing...............................................435 Assembly of Swing Bearing..................................................438 Group 2 Travel Device..........................................................441 Removal and Installation of Travel Device..................................441 Disassembly of Travel Device...............................................445 Assembly of Travel Device..................................................449 Disassembly of Travel Motor................................................457 Assembly of Travel Motor...................................................460 Disassembly of Brake Valve.................................................465 Assembly of Brake Valve....................................................467 Precautions for Using Floating Seal........................................469 Group 3 Center Joint...........................................................471 Removal and Installation of Center Joint...................................471 Disassembly of Center Joint................................................475 Assembly of Center Joint...................................................477 Replacement of Body and Spindle............................................480 Group 4 Track Adjuster.........................................................481 Removal and Installation of Track Adjuster.................................481 Disassembly of Front Idler.................................................485 Assembly of Front Idler....................................................488 Disassembly of Track Adjuster..............................................491 Assembly of Track Adjuster.................................................495 Precautions for Using Floating Seal........................................499 Group 5 Upper and Lower Rollers................................................501 Removal and Installation of Upper Roller...................................501 Removal and Installation of Lower Roller...................................505 Disassembly of Lower Roller................................................511 Assembly of Lower Roller...................................................513 Precautions for Using Floating Seal........................................515 Group 6 Track..................................................................517 Removal and Installation of Track..........................................517 SECTION 5 FRONT ATTACHMENT.........................................................525 Group 1 Front Attachment.......................................................527 Removal and Installation of Front Attachment...............................527 Group 2 Cylinder...............................................................535 Removal and Installation of Boom Cylinder..................................535 Removal and Installation of Arm Cylinder...................................539 Removal and Installation of Bucket Cylinder................................543 Removal and Installation of Positioning Cylinder...........................547 Disassembly of Boom, Arm, Bucket Cylinders.................................551 Assembly of Boom, Arm, Bucket Cylinders....................................555 Disassembly of Positioning Cylinder........................................559 Assembly of Positioning Cylinder...........................................562 Group 3 Hose Rupture Valve.....................................................565 Removal and Installation of Hose Rupture Valve for Boom Cylinder...........565 Removal and Installation of Hose Rupture Valve for Arm Cylinder............567 Removal and Installation of Hose Rupture Valve for Positioning Cylinder....569 Structure of Hose Rupture Valve for Boom Cylinder (Right)..................571 Structure of Hose Rupture Valve for Boom Cylinder (Left)...................573 Structure of Hose Rupture Valve for Arm Cylinder...........................575 Structure of Hose Rupture Valve for Positioning Cylinder...................577 SERVICE MANUAL REVISION REQUEST FORM...............................................581
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⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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