Hitachi ZAXIS 75US-A, 75 UR Excavator Repair Service Manual

Product Overview

The Hitachi ZAXIS 75US-A and 75 UR Excavator Repair Service Manual is an essential guide for operators and technicians. This comprehensive manual provides detailed instructions for maintaining and troubleshooting your excavator. It’s meticulously structured in a digital PDF format, written in English, to ensure ease of access and usability.

Included Manuals

• Operational Principle Manual: 187 pages (Vol No. TO1CFE00)
• Troubleshooting Manual: 319 pages (Vol No. TT1CFE-00)
• Workshop Manual: 605 pages (Vol No. W1CFE-00)

Manual Contents

• Workshop Manual Covers:
  • Index
  • Introduction
  • General
  • Upperstructure
  • Undercarriage
  • Front Attachment
  • Engine and Accessory
• Troubleshooting Manual Covers:
  • General
  • Safety
  • Operational Performance Test
  • Troubleshooting
• Operational Principle Manual Covers:
  • Index
  • Introduction
  • General
  • System
  • Component Operation
  • Pump Device
  • Swing Device
  • Pilot Valve
  • Travel Device
  • Control Valve
  • Upperstructure
  • Undercarriage

Usage Recommendations

• Use the Workshop Manual for step-by-step guidance on maintaining the upper structure, undercarriage, and engine components.
• Consult the Troubleshooting Manual to safely resolve any operational issues and to understand performance testing procedures.
• Reference the Operational Principle Manual to gain an in-depth understanding of component operation and system functionalities.

Additional Instructions

CAUTION: Offset cylinder weight is 70 kg (150 lb). When removing parts, ensure safe lifting practices using a crane and nylon sling.

Follow these steps for removing the offset cylinder:

• With a nylon sling, hoist and support the offset cylinder using a crane.
• Remove the nut and bolt, then detach the offset cylinder rod end pin from the upper boom stopper.
• Disconnect the hoses from the offset anti-drift valve and cap them securely.
• Remove the necessary nuts, bolts, and pins, and carefully extract thrust plates using a bar and hammer.
• Finally, lift and remove the offset cylinder by crane.

CAUTION: Ensure personal safety by wearing protective gear during maintenance to prevent injuries from flying debris.

Learn more about the Excavator Model: ZAXIS 75US-A, 75 UR