Hitachi ZW120-5B Wheel Loader Service Manual

Product Overview

The Hitachi ZW120-5B Wheel Loader Service Manual is an essential resource for maintenance and troubleshooting. This comprehensive manual is available in PDF format and is provided in English.

Key Features

• Service Manual (Troubleshooting): Volume No. TTCC-E-00 comprising 404 pages.
• Workshop Manual: Volume No. WNCC-E-00 comprising 586 pages.
• Circuit Diagram: 21 pages.

Benefits

• Gain in-depth technical information required for delivery, operation, and device/system activation.
• Perform operational performance tests to ensure optimal functioning.
• Utilize troubleshooting procedures to diagnose and resolve issues effectively.
• Access detailed maintenance and repair guidelines, including necessary tools and devices.

Usage Recommendations

• Use the workshop manual for periodic maintenance and repair tasks.
• Refer to the troubleshooting guide for diagnosing equipment malfunctions.
• Consult the circuit diagram for electrical systems understanding and repair.

Manual Structure

This manual includes sections to guide users through both the Troubleshooting Manual and Workshop Manual:

• Service Manual: Covers technical details for redelivery, operational procedures, and equipment testing.
• Workshop Manual: Provides instructions for maintenance standards and execution of repairs, including assembly/disassembly processes.

Contents of the Workshop Manual

SECTION 1 – GENERAL INFORMATION

• Precautions for Disassembling and Assembling
• Tightening
• Painting
• Bleeding Air
• Releasing Pressure
• Preparation

SECTION 2 – MAINTENANCE STANDARD

• Body
• Travel System
• Front Attachment

SECTION 3 – BODY

• Cab
• Counterweight
• Center Hinge
• Engine
• Radiator Assembly
• Hydraulic Oil Tank
• Pump Device
• Control Valve
• Priority Valve
• Ride Control Device

SECTION 4 – TRAVEL SYSTEM

• Tire
• HST Motor
• Transmission
• Axle
• Propeller Shaft
• Brake Valve
• Steering Device

SECTION 5 – FRONT ATTACHMENT

• Front Attachment
• Cylinder

Contents of the Technical Manual

SECTION 4 – OPERATIONAL PERFORMANCE TEST

• Introduction
• Standard
• Engine Test
• Machine Performance Test
• Component Test

SECTION 5 – TROUBLESHOOTING

• Diagnosing Procedure
• Monitor
• e-Service
• Component Layout
• Troubleshooting A, B, C
• Air Conditioner