Hitachi ZAXIS Excavator Service Manual

Product Overview

This comprehensive service manual is essential for anyone who owns or works with Hitachi ZAXIS excavators. This resource covers multiple models and provides detailed information on servicing, troubleshooting, and operating these machines.

The manual applies to the following Hitachi Excavator Models:

• ZX200
• ZX225USR
• ZX225US
• ZX230
• ZX270

Available in PDF format, the manual is presented in English and is indispensable for technicians, engineers, and operators looking to maintain optimal performance of their equipment.

Composition of the Manual

The manual provides a wealth of information essential for the proper functioning and maintenance of the excavators:

• Service Manual (Troubleshooting): Volume No. TO178E with 424 pages.
• Service Manual (Operation): Volume No. TT178E with 318 pages.
• Workshop Manual: Volume No. W178E with 706 pages.
• Parts Catalog: 598 pages.
• Circuit Diagram: 12 pages.

Content includes technical information for redelivery, operational guidance, troubleshooting, and performance tests, all utilizing the International System of Units (SI Units).

Key Features

• Comprehensive guidelines for maintenance and repair.
• Details on equipment needed for repair activities.
• Step-by-step procedures for installation and disassembly.
• Industry-leading hydraulic technologies and performance enhancements.

Benefits

• Economical: Achieves impressive fuel economy through advanced hydraulic systems.
• Efficient: Features swift front movements and easy operation capabilities.
• Durable: Designed for high durability, ensuring low running costs over time.

Usage Recommendations

• Carefully review the service manual to avoid injuries and equipment damage.
• Utilize recommended lifting techniques and equipment when handling heavy parts.
• Follow detailed instructions for measuring the main pump delivery pressure for precise performance evaluation.

For full leverage of your Hitachi ZAXIS excavators, refer to the Excavator Manual for complete guidance. It helps in realizing your visions and pioneering into new operational efficiency.

Main Pump Delivery Pressure Instructions

To measure the main pump delivery pressure, use Dr.ZX or proceed as follows:

1. Ensure the engine is properly shut down.
2. Release air pressure from the hydraulic oil tank.
3. Install the adapter, hose, and pressure gauge on the main pump delivery port.
4. Start the engine without oil leakage at connection points.
5. Maintain hydraulic oil temperature at 50u00b0C (122u00b0F) during measurements.

Switch settings for measurement:

Engine Control Dial	Power Mode Switch	Work Mode Switch	Auto-Idle / Acceleration Selector
Fast Idle	P Mode	Digging Mode	OFF

Measure the pressure with control levers in neutral, repeat thrice, and calculate the average. For further evaluation, refer to the Performance Standard Table in Group T4-2. For troubleshooting, consult Group T5-4 in the manual.