Hitachi ZX470-5G ZX470LC-5G ZX470H-5G ZX470LCH-5G ZX470R-5G ZX470LCR-5G Hydraulic Excavator Technical Workshop Manual – PDF Download

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Hitachi ZX470-5G ZX470LC-5G ZX470H-5G ZX470LCH-5G ZX470R-5G ZX470LCR-5G Hydraulic Excavator Technical Workshop Manual

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Hitachi ZX470-5G ZX470LC-5G ZX470H-5G ZX470LCH-5G ZX470R-5G ZX470LCR-5G Hydraulic Excavator Technical Workshop Manual

• Manual Language:English
• Downloadable:Yes
• Pages: 2500+
• Size: 117 MB
• Format:PDF

HITACHI ZX470-5G ZX470LC-5G ZX470H-5G ZX470LCH-5G ZX470R-5G ZX470LCR-5G HYDRAULIC EXCAVATOR TECHNICAL WORKSHOP MANUAL – PDF DOWNLOAD:

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Hitachi ZX470-5G ZX470LC-5G ZX470H-5G ZX470LCH-5G ZX470R-5G ZX470LCR-5G Hydraulic Excavator Technical 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 ZX470-5G ZX470LC-5G ZX470H-5G ZX470LCH-5G ZX470R-5G ZX470LCR-5G Hydraulic Excavator Technical Workshop Manual

WJAC-E-00............................................................  1
INTRODUCTION.........................................................  3
SYMBOL AND ABBREVIATION..............................................  5
SAFETY...............................................................  7
SECTION AND GROUP CONTENTS........................................... 49
SECTION 1 GENERAL.................................................... 51
	Group 1 Precautions for Disassembling and Assembling............. 53
		Precautions for Disassembling and Assembling................. 53
	Group 2 Tightening............................................... 59
		Tightening Bolts and Nuts.................................... 59
		Piping Joint................................................. 62
	Group 3 Painting................................................. 67
		Painting Specification....................................... 67
		Final Painted Color.......................................... 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................................... 72
	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
		Main Pump.................................................... 81
		Swing Motor.................................................. 83
	Group 2 Undercarriage............................................ 85
		Travel Motor................................................. 85
		Sprocket..................................................... 86
		Center Joint................................................. 87
		Front Idler.................................................. 89
		Upper Roller................................................. 91
		Lower Roller................................................. 92
		Track........................................................ 93
	Group 3 Front Attachment......................................... 97
		Remove and Install Bushing................................... 97
		Pin and Bushing.............................................. 99
		Side Cutter..................................................101
		Point........................................................101
		Standard Dimensions for Arm and Bucket Connection............102
		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 Cab Glass (Standard Cab).......................127
		Dimensions of Cab Glass (H Cab)..............................146
	Group 2 Counterweight............................................149
		Removal and Installation of Counterweight....................153
	Group 3 Main Frame...............................................153
		Removal and Installation of Main Frame.......................153
	Group 4 Engine...................................................161
		Removal and Installation of Engine...........................161
	Group 5 Radiator Assembly........................................203
		Replacement of Radiator and Oil Cooler.......................203
	Group 6 Hydraulic Oil Tank.......................................227
		Removal and Installation of Hydraulic Oil Tank...............227
	Group 7 Fuel Tank................................................245
		Removal and Installation of Fuel Tank........................245
	Group 8 Pump Device..............................................263
		Removal and Installation of Pump Device......................263
		Disassembly of Main Pump.....................................287
		Assembly of Main Pump........................................294
		Disassembly of Regulator for Main Pump.......................303
		Assembly of Regulator for Main Pump..........................305
		Structure of Pilot Pump......................................309
		Structure of A Sensor........................................311
	Group 9 Control Valve............................................313
		Removal and Installation of Control Valve....................313
		Disassembly and Assembly of Valve Unit.......................339
		Disassembly of Control Valve (4-Spool Side)..................345
		Assembly of Control Valve (4-Spool Side).....................353
		Disassembly of Control Valve (5-Spool Side)..................361
		Assembly of Control Valve (5-Spool Side).....................368
	Group 10 Swing Device............................................375
		Removal and Installation of Swing Device.....................375
		Disassembly of Swing Device..................................379
		Assembly of Swing Device.....................................385
		Disassembly of Swing Motor...................................391
		Assembly of Swing Motor......................................394
	Group 11 Pilot Valve.............................................399
		Removal and Installation of Pilot Valve (Left)...............399
		Removal and Installation of Pilot Valve (Right)..............405
		Removal and Installation of Travel Pilot Valve...............413
		Disassembly of Pilot Valves (Right and Left).................417
		Assembly of Pilot Valves (Right and Left)....................420
		Disassembly of Travel Pilot Valve............................423
		Assembly of Travel Pilot Valve...............................427
	Group 12 Solenoid Valve..........................................433
		Removal and Installation of Pilot Shut-Off Solenoid Valve....433
		Removal and Installation of 4-Spool Solenoid Valve Unit......437
		Removal and Installation of 2-Spool Solenoid Valve Unit......441
		Disassembly of Pilot Shut-Off Solenoid Valve.................445
		Assembly of Pilot Shut-Off Solenoid Valve....................447
		Structure of 4-Spool Solenoid Valve Unit.....................449
		Structure of 2-Spool Solenoid Valve Unit.....................451
	Group 13 Signal Control Valve....................................453
		Removal and Installation of Signal Control Valve.............453
		Structure of Signal Control Valve............................459
	Group 14 Shockless Valve.........................................461
		Removal and Installation of Shockless Valve..................461
		Structure of Shockless Valve.................................463
SECTION 4 UNDERCARRIAGE..............................................467
	Group 1 Swing Bearing............................................469
		Removal and Installation of Swing Bearing....................469
		Disassembly of Swing Bearing.................................473
		Assembly of Swing Bearing....................................476
	Group 2 Travel Device............................................479
		Removal and Installation of Travel Device....................479
		Disassembly of Travel Device.................................483
		Assembly of Travel Device....................................490
		Disassembly of Travel Motor..................................499
		Assembly of Travel Motor.....................................503
		Disassembly of Brake Valve...................................509
		Assembly of Brake Valve......................................512
	Group 3 Center Joint.............................................517
		Removal and Installation of Center Joint.....................517
		Disassembly of Center Joint..................................521
		Assembly of Center Joint.....................................523
		Replacement of Body and Spindle..............................526
	Group 4 Track Adjuster...........................................527
		Removal and Installation of Track Adjuster...................527
		Disassembly of Track Adjuster................................529
		Assembly of Track Adjuster...................................534
	Group 5 Front Idler..............................................539
		Removal and Installation of Front Idler......................539
		Disassembly of Front Idler...................................541
		Assembly of Front Idler......................................544
	Group 6 Upper and Lower Rollers..................................549
		Removal and Installation of Upper Roller.....................549
		Removal and Installation of Lower Roller.....................553
		Disassembly of Lower Roller..................................557
		Assembly of Lower Roller.....................................559
	Group 7 Track....................................................565
		Removal and Installation of Track............................565
SECTION 5 FRONT ATTACHMENT...........................................581
	Group 1 Front Attachment.........................................583
		Removal and Installation of Front Attachment.................583
		Removal and Installation of Bushing..........................591
	Group 2 Cylinder.................................................593
		Removal and Installation of Boom Cylinder....................593
		Removal and Installation of Arm Cylinder.....................597
		Removal and Installation of Bucket Cylinder..................601
		Disassembly of Boom Cylinder.................................605
		Assembly of Boom Cylinder....................................608
		Disassembly of Arm Cylinder..................................611
		Assembly of Arm Cylinder.....................................614
		Disassembly of Bucket Cylinder...............................617
		Assembly of Bucket Cylinder..................................620
SECTION 6 ENGINE AND ACCESSORY.......................................625
	General Information..............................................627
		General Repair Instruction...................................627
		Illustration Arrows..........................................628
		Abbreviations Charts.........................................629
		Nut and Bolt Angular Tightening Method.......................630
		Standard Bolt Torque Specifications..........................632
		Recommended Thread Locking Agents............................634
		Main Data and Specification..................................635
		Performance Curve............................................637
		Engine External Drawing......................................638
		Service Standard.............................................639
		Torque Specifications........................................645
		Special Tools................................................653
		Troubleshooting..............................................655
		Lubricant Application........................................665
		Sealant Application..........................................665
	Service Information..............................................667
		Identification...............................................667
		Lubrication System...........................................668
		Fuel System..................................................668
		Cooling System...............................................672
		Valve Clearance Adjustment...................................673
		Compression Pressure Measurement.............................675
		Recommended Lubricants.......................................676
		Engine Oil Viscosity Chart...................................676
	Engine Mechanical................................................677
		Service Precautions..........................................678
		General Description..........................................678
		Fan Center...................................................680
		Turbocharger.................................................683
		Exhaust Manifold.............................................685
		Inlet Manifold...............................................686
		Water Pump...................................................689
		Alternator...................................................691
		Oil Cooler...................................................694
		Injection Pump...............................................696
		Coupling Assembly............................................700
		Cylinder Head................................................703
		Rocker Arm and Shaft Assembly................................723
		Camshaft.....................................................728
		Timing Gears.................................................733
		Flywheel Housing.............................................742
		Oil Pan......................................................745
		Piston.......................................................749
		Crankshaft...................................................764
		Crank Pulley.................................................775
		Flywheel.....................................................778
		Cylinder Block...............................................780
	Engine Cooling...................................................789
		Service Precautions..........................................789
		General Description..........................................790
		Water Pump...................................................791
		Thermostat...................................................796
	Engine Fuel......................................................799
		Service Precautions..........................................799
		General Description..........................................800
		Fuel Filter..................................................803
		Injection Nozzle Holder......................................805
		Injection Pump...............................................811
		Injection Nozzle Holder-Tow-Stage Injection Type.............815
	Starting and Charging............................................827
		Service Precautions..........................................827
		Alternator...................................................828
		Starter Motor................................................837
	Engine Lubrication...............................................849
		Service Precaution...........................................849
		General Description..........................................850
		Oil Pump.....................................................852
		Oil Cooler...................................................860
	Engine Induction.................................................865
		Service Precaution...........................................865
		Turbocharger.................................................866
SERVICE MANUAL REVISION REQUEST FORM.................................877

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