Hitachi ZX330-5A ZX330LC-5A ZX350H-5A ZX350LCH-5A ZX350K-5 ZX350LCK-5A Hydraulic Excavator Workshop Manual – PDF Download

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Hitachi ZX330-5A ZX330LC-5A ZX350H-5A ZX350LCH-5A ZX350K-5 ZX350LCK-5A Hydraulic Excavator Workshop Manual

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Hitachi ZX330-5A ZX330LC-5A ZX350H-5A ZX350LCH-5A ZX350K-5 ZX350LCK-5A Hydraulic Excavator Workshop Manual

• Manual Language:English
• Pages: 543 
• Size: 10.0 MB
• Format:PDF
• Downloadable:Yes

HITACHI ZX330-5A ZX330LC-5A ZX350H-5A ZX350LCH-5A ZX350K-5 ZX350LCK-5A HYDRAULIC EXCAVATOR WORKSHOP MANUAL – PDF DOWNLOAD:

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Hitachi ZX330-5A ZX330LC-5A ZX350H-5A ZX350LCH-5A ZX350K-5 ZX350LCK-5A 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, 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 ZX330-5A ZX330LC-5A ZX350H-5A ZX350LCH-5A ZX350K-5 ZX350LCK-5A Hydraulic Excavator Workshop Manual

WDDK90-EN-00..................................................................  1
	INTRODUCTION..............................................................  3
		To The Reader.........................................................  3
		Additional References.................................................  3
		Manual Composition....................................................  3
		Page Number...........................................................  3
		Safety Alert Symbol and Headline Notations............................  4
		Units Used............................................................  4
	SYMBOL AND ABBREVIATION...................................................  5
	SAFETY....................................................................  7
		Recognize Safety Information..........................................  7
		Understand Signal Words...............................................  7
		Follow Safety Instructions............................................  8
		Prepare for Emergencies...............................................  9
		Wear Protective Clothing..............................................  9
		Protect Against Noise................................................. 10
		Inspect Machine....................................................... 10
		General Precautions for Cab........................................... 11
		Use Handholds and Steps............................................... 12
		Adjust the Operator's Seat............................................ 12
		Ensure Safety Before Rising from or Leaving Operator’s Seat........... 13
		Fasten Your Seat Belt................................................. 13
		Move and Operate Machine Safely....................................... 14
		Operate Only from Operator's Seat..................................... 14
		Jump Starting......................................................... 15
		Keep Riders off Machine............................................... 15
		Precautions for Operations............................................ 16
		Investigate Job Site Beforehand....................................... 17
		Install OPG Guard..................................................... 18
		Restriction of Attachment Installation................................ 19
		Provide Signals for Jobs Involving Multiple Machines.................. 19
		Confirm Direction of Machine to Be Driven............................. 19
		Drive Machine Safely.................................................. 20
		Avoid Injury from Rollaway Accidents.................................. 22
		Avoid Injury from Back-Over and Swing Accidents....................... 23
		Keep Person Clear from Working Area................................... 24
		Never Position Bucket Over Anyone..................................... 24
		Avoid Undercutting.................................................... 25
		Avoid Tipping......................................................... 25
		Never Undercut a High Bank............................................ 26
		Dig with Caution...................................................... 26
		Operate with Caution.................................................. 26
		Avoid Power Lines..................................................... 27
		Precautions for Lightning............................................. 27
		Object Handling....................................................... 28
		Protect Against Flying Debris......................................... 28
		Park Machine Safely................................................... 29
		Handle Fluids Safely−Avoid Fires...................................... 29
		Transport Safely...................................................... 30
		Practice Safe Maintenance............................................. 31
		Warn Others of Service Work........................................... 32
		Support Machine Properly.............................................. 32
		Stay Clear of Moving Parts............................................ 33
		Prevent Parts from Flying............................................. 33
		Avoid Injury from Attachment Falling Accident......................... 34
		Prevent Burns......................................................... 34
		Replace Rubber Hoses Periodically..................................... 35
		Avoid High-Pressure Fluids............................................ 35
		Prevent Fires......................................................... 36
		Evacuating in Case of Fire............................................ 38
		Beware of Exhaust Fumes............................................... 38
		Precautions for Welding and Grinding.................................. 39
		Avoid Heating Near Pressurized Fluid Lines............................ 40
		Avoid Applying Heat to Lines Containing Flammable Fluids.............. 40
		Precautions for Handling Accumulator and Gas Damper................... 40
		Remove Paint Before Welding or Heating................................ 41
		Beware of Asbestos and Silicon Dust and Other Contamination........... 41
		Prevent Battery Explosions............................................ 42
		Service Air Conditioning System Safely................................ 42
		Handle Chemical Products Safely....................................... 43
		Dispose of Waste Properly............................................. 43
		Never Ride Attachment................................................. 44
		Precautions for Communication Terminal................................ 44
		Precautions for Communication Terminal Equipment...................... 45
		Before Returning the Machine to the Customer.......................... 46
	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 (Pressure Release)........... 69
			Bleeding Air from Hydraulic System................................ 70
			Bleeding Air from Fuel System..................................... 71
			Bleeding Air from Expansion Tank (Radiator) (Pressure Release).... 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.......................................................105
			Point.............................................................105
			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...........................................145
		Group 2 Counterweight.................................................165
			Removal and Installation of Counterweight.........................165
		Group 3 Main Frame....................................................169
			Removal and Installation of Main Frame............................169
		Group 4 Engine........................................................177
			Removal and Installation of Engine................................177
		Group 8 Pump Device...................................................215
			Removal and Installation of Pump Device...........................215
			Removal and Installation of Coupling..............................229
			Disassembly of Pump Device........................................231
			Assembly of Pump Device...........................................234
			Disassembly of Main Pump..........................................239
			Assembly of Main Pump.............................................244
			Disassembly of Regulator..........................................253
			Assembly of Regulator.............................................255
			Disassembly of Pilot Pump.........................................257
			Assembly of Pilot Pump............................................259
		Group 9 Control Valve.................................................261
			Disassembly of Housing............................................283
			Assembly of Housing...............................................285
			Disassembly of Control Valve (4-Spool Side).......................287
			Assembly of Control Valve (4-Spool Side)..........................294
			Disassembly of Control Valve (5-Spool Side).......................305
			Assembly of Control Valve (5-Spool Side)..........................312
		Group 10 Swing Device.................................................321
			Removal and Installation of Swing Device..........................321
			Disassembly of Swing Device.......................................325
			Assembly of Swing Device..........................................331
			Disassembly of Swing Motor........................................337
			Assembly of Swing Motor...........................................340
			Structure of Swing Parking Brake Switch Valve.....................343
		Group 11 Pilot Valve..................................................345
			Removal and Installation of Pilot Valve (Left)....................345
			Removal and Installation of Pilot Valve (Right)...................351
			Removal and Installation of Travel Pilot Valve....................359
			Disassembly of Pilot Valves (Right and Left)......................363
			Assembly of Pilot Valves (Right and Left).........................366
			Disassembly of Travel Pilot Valve.................................369
			Assembly of Travel Pilot Valve....................................373
		Group 12 Solenoid Valve...............................................379
			Removal and Installation of Pilot Shut-Off Solenoid Valve.........379
			Removal and Installation of 3-Spool Solenoid Valve Unit...........383
			Removal and Installation of 2-Spool Solenoid Valve Unit...........389
			Disassembly of Pilot Shut-Off Solenoid Valve......................395
			Assembly of Pilot Shut-Off Solenoid Valve.........................397
			Structure of 3-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.................................407
	SECTION 4 UNDERCARRIAGE...................................................411
		Group 1 Swing Bearing.................................................413
			Removal and Installation of Swing Bearing.........................413
			Disassembly of Swing Bearing......................................419
			Assembly of Swing Bearing.........................................422
		Group 2 Travel Device.................................................425
			Removal and Installation of Travel Device.........................425
			Disassembly of Travel Device......................................429
			Assembly of Travel Device.........................................433
			Disassembly of Travel Motor.......................................441
			Assembly of Travel Motor..........................................444
			Disassembly of Brake Valve........................................449
			Assembly of Brake Valve...........................................451
			Precautions for Using Floating Seal...............................453
		Group 3 Center Joint..................................................455
			Removal and Installation of Center Joint..........................455
			Disassembly of Center Joint.......................................459
			Assembly of Center Joint..........................................461
			Replacement of Body and Spindle...................................464
		Group 4 Track Adjuster................................................465
			Removal and Installation of Track Adjuster........................465
			Disassembly of Front Idler........................................469
			Assembly of Front Idler...........................................472
			Disassembly of Track Adjuster.....................................475
			Assembly of Track Adjuster........................................479
			Precautions for Using Floating Seal...............................483
		Group 5 Upper and Lower Rollers.......................................485
			Removal and Installation of Upper Roller..........................485
			Removal and Installation of Lower Roller..........................489
			Disassembly of Lower Roller.......................................495
			Assembly of Lower Roller..........................................497
			Precautions for Using Floating Seal...............................499
		Group 6 Track.........................................................501
			Removal and Installation of Track.................................501
	SECTION 5 FRONT ATTACHMENT................................................511
		Group 1 Front Attachment..............................................513
			Removal and Installation of Front Attachment......................513
		Group 2 Cylinder......................................................521
			Removal and Installation of Boom Cylinder.........................521
			Removal and Installation of Arm Cylinder..........................525
			Removal and Installation of Bucket Cylinder.......................529
			Disassembly of Boom, Arm, and Bucket Cylinders....................533
			Assembly of Boom, Arm, and Bucket Cylinders.......................537

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.