Hitachi ZW 20 Wheel Loader Workshop Manual (W4EJ-E-00) – PDF Download

Description

Hitachi ZW 20 Wheel Loader Workshop Manual (W4EJ-E-00)

File Details:

Hitachi ZW 20 Wheel Loader Workshop Manual (W4EJ-E-00)

• Manual Language:English
• Pages: 220
• Size: 7.12 MB
• Format:PDF
• Downloadable:Yes

HITACHI ZW 20 WHEEL LOADER WORKSHOP MANUAL (W4EJ-E-00) – PDF DOWNLOAD:

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Description:

Hitachi ZW 20 Wheel Loader Workshop Manual (W4EJ-E-00)

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 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 ZW 20 Wheel Loader Workshop Manual (W4EJ-E-00)

cover....................................................................  1
INTRODUCTION.............................................................  3
SAFETY...................................................................  5
SECTION AND GROUP CONTENTS............................................... 37
SECTION 1 GENERAL........................................................ 39
	Group 1 Precautions for Disassembling and Assembling................. 41
		Disassembly and Assembly......................................... 41
	Group 2 Tightening................................................... 49
		Tightening Torque................................................ 49
		Tightening Bolts and Nuts........................................ 51
		Tightening Piping Joint.......................................... 54
		Periodic Replacement of Parts.................................... 58
	Group 3 Painting..................................................... 61
		Painting......................................................... 61
SECTION 2 BODY........................................................... 65
	Group 1 Control Valve................................................ 67
		Removal and Installation of Control Valve........................ 67
		Disassembly of Control Valve..................................... 70
		Assembly of Control Valve........................................ 72
	Group 2 Main Pump.................................................... 83
		Removal and Installation of Main Pump............................ 83
		Disassembling.................................................... 87
SECTION 3 TRAVEL SYSTEM.................................................. 93
	Group 1 Cab.......................................................... 95
		Removal and Installation of Cab.................................. 95
		Adjustment of Inching Lever Linkage and Service Brake Linkage.... 98
		Bleeding Air from Service Circuit................................100
		Adjustment of Accelerator Cable Length...........................102
	Group 2 HST Pump.....................................................103
		Removal and Installation of HST Pump.............................103
		Disassembly and Assembly of HST Pump.............................106
	Group 3 HST Motor....................................................111
		Removal and Installation of HST Motor............................111
		Disassembly and Assembly of HST Motor............................115
	Group 4 Reduction Gear...............................................119
		Removal and Installation of Reduction Gear.......................119
		Disassembly and Assembly of Reduction Gear.......................122
		Maintenance Standard.............................................140
	Group 5 Axle.........................................................143
		Removal and Installation of Axle.................................143
		Disassembly and Assembly of Axle.................................150
		Maintenance Standard of Differential.............................168
	Group 6 Master Cylinder..............................................169
		Removal and Installation of Master Cylinder......................169
		Disassembly and Assembly of Master Cylinder......................172
	Group 7 Power Steering...............................................175
		Removal and Installation of Orbitroll............................175
		Disassembly and Assembly of Orbitroll............................178
	Group 8 Steering Cylinder............................................189
		Removal and Installation of Steering Cylinder....................189
		Disassembly and Assembly of Steering Cylinder....................192
		Maintenance Standard.............................................196
SECTION 4 FRONT ATTACHMENT...............................................199
	Group 1 Front Attachment.............................................201
		Maintenance Standard.............................................201
	Group 2 Cylinder.....................................................203
		Removal and Installation of Cylinder.............................203
		Removal and Installation of Tilt Cylinder........................204
		Disassembly and Assembly of Tilt Cylinder........................206
		Remove and Install Lift Cylinder.................................210
		Disassembly and Assembly of Lilt Cylinder........................212
		Maintenance Standard.............................................216
SERVICE MANUAL REVISION REQUEST FORM.....................................219

Please Note:

⦁ This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
⦁ This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
⦁ Require some other service manual or have any queries: please WRITE to us at [email protected]