Hitachi ZX70-3, ZX70LC-3, ZX70LCN-3, ZX75US-3, ZX85US-3 Excavator Repair Manual

Product Overview

This comprehensive repair manual for the Hitachi ZX70-3, ZX70LC-3, ZX70LCN-3, ZX75US-3, and ZX85US-3 excavator models is an essential resource for maintenance and repair. Available in PDF format and written in English, it covers operational principles, troubleshooting, and workshop procedures.

Model: Excavator ZX70-3, ZX70LC-3, ZX70LCN-3, ZX75US-3, ZX85US-3

Key Features

• Operational Principle Manual (Vol. No.TO1P1-E): 239 pages of detailed operational guidelines.
• Troubleshooting Manual (Vol. No.TT1P1-E): 419 pages dedicated to diagnosing and solving issues.
• Workshop Manual (Vol. No.W1P1-E): 730 pages covering detailed repair and maintenance procedures.
• Operation Manual: Comprehensive 337-page guide for daily operation.
• Parts Catalog: 653 pages detailing every part and component.

Benefits

• Ensure efficient and accurate repairs with step-by-step instructions.
• Reduce downtime with thorough troubleshooting guides.
• Maintain optimal excavator performance using operational principles.
• Access critical information quickly with a detailed parts catalog.

Usage Recommendations

To achieve the best results and safety during maintenance and repair:

• Always refer to the service manual prior to disassembling or assembling parts.
• Follow recommended operational performance tests and procedures.
• Utilize appropriate tools and techniques for lifting heavy components.
• Regularly update your reference materials to adapt to new updates and technologies.

Table of Contents – Highlights

General

• Precautions for Disassembling and Assembling
• Tightening and Painting
• Bleeding Air from Hydraulic Oil Tank

Upperstructure

• Cab and Counterweight
• Main Frame and Pump Device
• Control and Swing Devices
• Pilot and Shockless Valves
• Engine

Undercarriage

• Swing Bearing and Travel Device
• Center Joint and Track Adjuster

Front Attachment

• Attachment and Cylinder Details

Engine

• General Information and Specifications

Manual Sections – Key Details

• Technical Manual (Operational Principle)
  • System Components and Specifications
  • Hydraulic and Electrical Systems
• Technical Manual (Troubleshooting)
  • Diagnostic Procedures and Component Layout
  • Electrical System Inspection
• Ensure safe operation and maintenance with detailed precautions.

For optimal safety and efficiency, always adhere to the manual instructions, utilizing the correct maintenance techniques and tools.