Hitachi ZW220, ZW250 Wheel Loader Repair Manuals and Parts Catalog

Service Repair Manual (Troubleshooting) : Vol. No.TT4GC-E (581 Pages)
Operation Manual : Vol. No.TO4GC-E (444 Pages)
Workshop Manual : Vol. No.W4GC-E (582 Pages)
Parts Catalog: 444 Pages
Hitachi ZW220, ZW250 Wheel Loader Service Manual
The manual is applicable for the Hitachi ZW220, ZW250 Wheel Loader Model
Service Manual consists of the following:
For Model ZW220, ZW250 as mentioned above:
Service Manual (Troubleshooting) : Vol. No.TT4GC-E (581 Pages)

Table of Content of the Workshop Manual

SECTION 1 GENERAL

Group 1 Precautions for disassembling
and Assembling
Group 2 Tightening
Group 3 Painting
Group 4 Bleeding Air from Hydraulic Oil
Tank

SECTION 2 BODY (UPPERSTRUCTURE)

Group 1 Cab
Group 2 Counterweight
Group 3 Center Hinge
Group 4 Hood
Group 5 Hydraulic Oil Tank
Group 6 Pump Device
Group 7 Control Valve
Group 8 Pilot Valve
Group 9 Pilot Shut-Off Valve
Group 10 Hydraulic Fan Pump and Motor

SECTION 3 BODY (TRAVEL SYSTEM)

Group 1 Tire
Group 2 Drive Unit
Group 3 Axle
Group 4 Propeller Shaft
Group 5 Brake Valve
Group 6 Charging Block
Group 7 Steering Pilot Valve
Group 8 Steering Valve
Group 9 Steering Cylinder

SECTION 4 FRONT ATTACHMENT

Group 1 Front Attachment
Group 2 Cylinder

Table of Content of the Technical Manual

SECTION 4 OPERATIONAL

PERFORMANCE TEST
Group 1 Introduction
Group 2 Standard
Group 3 Engine Test
Group 4 Wheel Loader Test
Group 5 Component Test
Group 6 Adjustment

SECTION 5 TROUBLESHOOTING

Group 1 Diagnosing Procedure
Group 2 Dr-ZX
Group 3 e-Whell
Group 4 Component Layout
Group 5 Troubleshooting A
Group 6 Troubleshooting B
Group 7 Troubleshooting C
Group 8 Electrical System Inspection

Table of Content of the Operation Manual

SECTION 1 GENERAL

Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications

SECTION 2 SYSTEM

Group 1 Control System
Group 2 ECM System
Group 3 Hydraulic System
Group 4 Electrical System

SECTION 3 COMPONENT OPERATION

Group 1 Pump Device
Group 2 Control Valve
Group 3 Hydraulic Fan Motor
Group 4 Steering Pilot Valve
Group 5 Steering Valve
Group 6 Pilot Valve
Group 7 Charging Block
Group 8 Ride Control Valve
Group 9 Drive Unit
Group 10 Axle
Group 11 Brake Valve
Group 12 Others
Manual guide composition
Hitachi ZAXIS ZW220, ZW250 service manual consists of the Troubleshooting and the Workshop Manual.

Information included in the Service 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.