Hitachi ZW20 Wheel Loader Service Manual

Product Overview

This comprehensive service manual is specifically designed for the Hitachi ZW20 Wheel Loader model. Available in PDF format and in English, it provides all necessary information for the maintenance, troubleshooting, and repair of the ZW20.

Key Features

• Format: PDF
• Language: English
• Troubleshooting Manual: Volume No. T4EJ-E-00 (264 Pages)
• Workshop Manual: Volume No. W4EJ-E-00 (220 Pages)

Table of Contents

Workshop Manual

• Section 1: General
  • Precautions for Disassembling and Assembling
  • Tightening
  • Painting
• Section 2: Body
  • Control Valve
  • Main Pump
• Section 3: Travel System
  • Cab
  • HST Pump
  • HST Motor
  • Reduction Gear
  • Axle
  • Master Cylinder
  • Power Steering
  • Steering Cylinder
• Section 4: Front Attachment
  • Front Attachment
  • Cylinder

Technical Manual

• Section 1: General
  • Specification
  • Component Specifications
  • Component Layout
• Section 2: System
  • Fuel System
  • Hydraulic System
  • Electrical System
• Section 3: Component Operation
  • HST Pump
  • HST Motor
  • Axle
  • Brake
  • Orbitroll
  • Control Valve
  • Main Pump
• Section 4: Operational Performance Test
  • Introduction
  • Standard
  • Engine Test
  • Wheel Loader Test
• Section 5: Troubleshooting
  • Diagnosing Procedure
  • Failure List
  • Engine
  • Component Layout

Manual Composition

The Hitachi ZAXIS ZW20 service manual is divided into a Troubleshooting Manual and a Workshop Manual.

• Service Manual: Contains technical information for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
• Workshop Manual: Provides technical information for maintenance and repair, tools and devices for these purposes, maintenance standards, and removal/installation procedures.

DA Valve Overview

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