Hitachi ZX470-5B ZX470LC-5B ZX470H-5B ZX470LCH-5B ZX470R-5B ZX470LCR-5B Hydraulic Excavator Workshop Manual (WJAA-EN-01) – PDF Download

Description

Hitachi ZX470-5B ZX470LC-5B ZX470H-5B ZX470LCH-5B ZX470R-5B ZX470LCR-5B Hydraulic Excavator Workshop Manual (WJAA-EN-01)

File Details:

Hitachi ZX470-5B ZX470LC-5B ZX470H-5B ZX470LCH-5B ZX470R-5B ZX470LCR-5B Hydraulic Excavator Workshop Manual (WJAA-EN-01)

• Manual Language:English
• Pages: 712
• Size: 19.4 MB
• Format:PDF
• Downloadable:Yes

HITACHI ZX470-5B ZX470LC-5B ZX470H-5B ZX470LCH-5B ZX470R-5B ZX470LCR-5B HYDRAULIC EXCAVATOR WORKSHOP MANUAL (WJAA-EN-01) – PDF DOWNLOAD:

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Description:

Hitachi ZX470-5B ZX470LC-5B ZX470H-5B ZX470LCH-5B ZX470R-5B ZX470LCR-5B Hydraulic Excavator Workshop Manual (WJAA-EN-01)

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, 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 ZX470-5B ZX470LC-5B ZX470H-5B ZX470LCH-5B ZX470R-5B ZX470LCR-5B Hydraulic Excavator Workshop Manual (WJAA-EN-01)

WJAA-E-01
........................................................................  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 Disassemblingand Assembling............................... 51
	Group 2 Tightening............................................................ 57
		Tightening Bolts and Nuts................................................. 57
		Piping Joint.............................................................. 60
	Group 3 Painting.............................................................. 65
		Painting specification.................................................... 65
		Final painted color....................................................... 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
	Group 5 Pressure Release Procedure............................................ 71
		Hydraulic Circuit Pressure Release Procedure.............................. 71
	Group 6 Preparation........................................................... 73
		Preparation before Inspectionand Maintenance.............................. 73
SECTION 2 MAINTENANCE STANDARD.................................................... 77
	Group 1 Upperstructure........................................................ 79
		Main Pump................................................................. 79
		Fan Pump.................................................................. 80
		Swing Motor............................................................... 81
	Group 2 Undercarriage......................................................... 83
		Travel Motor.............................................................. 83
		Sprocket.................................................................. 84
		Center Joint.............................................................. 85
		Front Idler............................................................... 87
		Upper Roller.............................................................. 89
		Lower Roller.............................................................. 90
		Track..................................................................... 91
	Group 3 Front Attachment...................................................... 95
		Remove and Install Bushing................................................ 95
		Pin and Bushing........................................................... 97
		Side Cutter............................................................... 99
		Point..................................................................... 99
		Standard Dimensions for Arm and Bucket Connection.........................100
		Standard Dimensions for Arm and Boom Connection...........................102
		Cylinder..................................................................103
SECTION 3 UPPERSTRUCTURE..........................................................107
	Group 1 Cab...................................................................109
		Removal and Installation of Cab...........................................109
		Dimensions of Cab Glass (Standard Cab)....................................125
		Dimensions of Cab Glass (H Cab)...........................................144
	Group 2 Counterweight.........................................................147
		Removal and Installation of Counterweight.................................147
	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..............................................................199
		Removal and Installation of Radiator......................................199
	Group 6 Hydraulic Oil Tank....................................................225
		Removal and Installation of Hydraulic Oil Tank............................225
	Group 7 Fuel Tank.............................................................241
		Removal and Installation of Fuel Tank.....................................241
	Group 8 Pump Device...........................................................251
		Removal and Installation of Pump Device...................................251
		Disassembly of Main Pump..................................................271
		Assembly of Main Pump.....................................................276
		Disassembly of Regulator for Main Pump....................................283
		Assembly of Regulator for Main Pump.......................................285
		Disassembly of Fan Pump...................................................289
		Assembly of Fan Pump......................................................293
		Structure of Pilot Pump...................................................297
	Group 9 Control Valve.........................................................299
		Removal and Installation of Control Valve.................................299
		Disassembly and Assembly of Valve Unit....................................313
		Disassembly of Control Valve (4-Spool Side)...............................319
		Assembly of Control Valve (4-Spool Side)..................................327
		Disassembly of Control Valve (5-Spool Side)...............................335
		Assembly of Control Valve (5-Spool Side)..................................342
	Group 10 Swing Device.........................................................349
		Removal and Installation of Swing Device..................................349
		Disassembly of Swing Device...............................................353
		Assembly of Swing Device..................................................359
		Disassembly of Swing Motor................................................365
		Assembly of Swing Motor...................................................368
	Group 11 Pilot Valve..........................................................373
		Removal and Installation of Pilot Valve (Left)............................373
		Removal and Installation of Pilot Valve (Right)...........................379
		Removal and Installation of Travel Pilot Valve............................387
		Disassembly of Pilot Valves (Right and Left)..............................391
		Assembly of Pilot Valves (Right and Left).................................394
		Disassembly of Travel Pilot Valve.........................................397
		Assembly of Travel Pilot Valve............................................401
	Group 12 Solenoid Valve.......................................................407
		Removal and Installation of Pilot Shut-Off Solenoid Valve.................407
		Removal and Installation of 4-Spool Solenoid Valve Unit...................411
		Removal and Installation of 2-Spool Solenoid Valve Unit...................415
		Removal and Installation of Fan Pump Control Solenoid Valve...............419
		Disassembly of Pilot Shut-Off Solenoid Valve..............................423
		Assembly of Pilot Shut-Off Solenoid Valve.................................425
		Structure of 4-Spool Solenoid Valve Unit..................................427
		Structure of 2-Spool Solenoid Valve Unit..................................429
		Structure of Fan Pump Solenoid Valve......................................431
	Group 13 Signal Control Valve.................................................433
		Removal and Installation of Signal Control Valve..........................433
		Structure of Signal Control Valve.........................................439
	Group 14 Shockless Valve......................................................443
		Removal and Installation of Shockless Valve...............................443
		Structure of Shockless Valve..............................................445
	Group 15 Fan Valve............................................................445
		Removal and Installation of Fan Valve.....................................445
		Structure of Fan Valve....................................................473
	Group 16 Fan Motor............................................................475
		Removal and Installation of Fan Motor.....................................475
		Structure of Fan Motor....................................................507
	Group 17 Muffler Filter.......................................................509
		Removal and Installation of Muffler Filter................................509
		Disassembly of Muffler Filter.............................................515
		Assembly of Muffler Filter................................................519
SECTION 4 UNDERCARRIAGE...........................................................525
	Group 1 Swing Bearing.........................................................527
		Removal and Installation of Swing Bearing.................................527
		Disassembly of Swing Bearing..............................................531
		Assembly of Swing Bearing.................................................534
	Group 2 Travel Device.........................................................537
		Removal and Installation of Travel Device.................................537
		Disassembly of Travel Device..............................................541
		Assembly of Travel Device.................................................548
		Disassembly of Travel Motor...............................................557
		Assembly of Travel Motor..................................................561
		Disassembly of Brake Valve................................................567
		Assembly of Brake Valve...................................................570
	Group 3 Center Joint..........................................................575
		Removal and Installation of Center Joint..................................575
		Disassembly of Center Joint...............................................579
		Assembly of Center Joint..................................................581
		Replacement of Body and Spindle...........................................584
	Group 4 Track Adjuster........................................................585
		Removal and Installation of Track Adjuster................................585
		Disassembly of Track Adjuster.............................................587
		Assembly of Track Adjuster................................................592
	Group 5 Front Idler...........................................................597
		Removal and Installation of Front Idler...................................597
		Disassembly of Front Idler................................................599
		Assembly of Front Idler...................................................602
	Group 6 Upper and Lower Rollers...............................................607
		Removal and Installation of Upper Roller..................................607
		Removal and Installation of Lower Roller..................................611
		Disassembly of Lower Roller...............................................615
		Assembly of Lower Roller..................................................617
	Group 7 Track.................................................................623
		Removal and Installation of Track.........................................623
SECTION 5 FRONT ATTACHMENT........................................................639
	Group 1 Front Attachment......................................................641
		Removal and Installation of Front Attachment..............................641
		Removal and Installation of Bushing.......................................649
	Group 2 Cylinder..............................................................651
		Removal and Installation of Boom Cylinder.................................651
		Removal and Installation of Arm Cylinder..................................655
		Removal and Installation of Bucket Cylinder...............................659
		Disassembly of Boom Cylinder..............................................663
		Assembly of Boom Cylinder.................................................666
		Disassembly of Arm Cylinder...............................................669
		Assembly of Arm Cylinder..................................................672
		Disassembly of Bucket Cylinder............................................675
		Assembly of Bucket Cylinder...............................................678
	Group 3 Hose Rupture Valve....................................................681
		Removal and Installation of Hose Rupture Valve for Boom Cylinder..........681
		Removal and Installation of Hose Rupture Valve for Arm Cylinder...........685
		Structure of Hose Rupture Valve for Boom Cylinder.........................689
		Structure of Hose Rupture Valve for Arm Cylinder (Bottom Side)............691
		Structure of Hose Rupture Valve for Arm Cylinder (Rod Side)...............693
SECTION 6 COUNTERWEIGHT REMOVAL/INSTALLATION DEVICE...............................697
	Group 1 Cylinder..............................................................699
		Removal and Installation of CounterweightRemoval/Installation Cylinder....699
		Disassembly of Counterweight Removal / Installation Cylinder..............703
		Assembly of Counterweight Removal / Installation Cylinder.................706
SERVICE MANUAL REVISION REQUEST FORM..............................................711

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