Hitachi ZX670LC-6, ZX690LCR-6, and ZX690LCH-6 Excavator Manual

Product Overview

This comprehensive manual provides detailed information for the Hitachi Excavator models ZX670LC-6, ZX690LCR-6, and ZX690LCH-6. It is available in PDF format and is written in English. The content includes extensive guidance for operating, troubleshooting, and repairing these advanced excavators.

Key Features

• Comprehensive Coverage: Includes Operating, Troubleshooting, and Workshop manuals for in-depth understanding.
• Detailed Documentation: Circuit Diagram spanning 35 pages for better technical insight.
• Service Manual: Technical information on device operation, performance tests, and troubleshooting.
• Workshop Manual: Instructions for maintenance, repair, and assembly/disassembly procedures.
• Standardized Units: Uses International System of Units (SI) for consistency.

Benefits

• Safety Guidelines: Prevents injury through detailed instructions on lifting techniques and equipment handling.
• Fuel Efficiency: Designed for impressive fuel economy and swift operation.
• Advanced Hydraulics: Incorporates industry-leading hydraulic technology to enhance performance.
• Durability: Ensures high-quality operations with low running costs.

Usage Recommendations

• Refer to the service manual to avoid injury and damage when operating or repairing the excavator.
• Utilize the manual’s troubleshooting procedures to swiftly resolve operational challenges.
• Follow the manual’s step-by-step maintenance guidelines to extend the life of the excavator.

Technical Insights

The manual includes detailed instructions on specialized components such as the Bypass Shut-Out Valve. This system enhances oil flow and boosts operation speed. It combines pressure oil from different pumps for optimum efficiency.

Bucket Flow Combiner Circuit

• Pilot Pressure: Activates the bypass shut-out valve, enhancing performance by combining oil streams.
• Increased Efficiency: Improves the operation speed of attachments and the bucket.

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