Hyundai HX900 L Crawler Excavator Service Repair Manual

Product Overview

The Hyundai HX900 L Crawler Excavator Service Repair Manual is an essential resource for mechanics and technicians.
It offers detailed instructions and is designed to improve repair quality through a comprehensive understanding of the product. This manual is available in English and is provided in PDF format.

For more detailed information about the crawler excavator model, visit the
Crawler Excavator Model page.

• Includes a Service Repair Manual spanning 617 pages.
• Features an Operators Manual with 263 pages.

Key Features

• Detailed safety hints and precise specifications.
• Comprehensive structure and function details of components like the pump device and control valves.
• Extensive coverage of the hydraulic, electrical, and mechatronics systems.
• In-depth troubleshooting guidelines for various system issues.

Benefits

• Enhances the quality and efficiency of service repairs by providing clear guidance.
• Ensures proper mechanical and electrical system maintenance.
• Assists with accurate component assembly and disassembly.

Usage Recommendations

• Ideal for use in professional service workshops.
• Recommended for technicians requiring detailed repair and maintenance instructions.
• Valuable for increasing operational performance and maintenance standards.

Table of Contents

FOREWORD

GENERAL

• Safety hints
• Specifications

STRUCTURE AND FUNCTION

• Pump device
• Main control valve
• Swing device
• Travel device
• RCV Lever
• RCV pedal

HYDRAULIC SYSTEM

• Hydraulic circuit
• Main circuit
• Pilot circuit
• Single operation
• Combined operation

ELECTRICAL SYSTEM

• Component location
• Electric circuit
• Electrical component specification
• Connectors

MECHATRONICS SYSTEM

• Outline
• Mode selection system
• Automatic deceleration system
• Power boost system
• Travel speed control system
• Automatic warming-up function
• Engine overheat prevention function
• Variable power control system
• Attachment flow control system
• Anti-restart system
• Self-diagnostic system
• Engine control system
• EPPR valve
• Monitoring system
• Fuel warmer system

TROUBLESHOOTING

• Before troubleshooting
• Hydraulic and mechanical system
• Electrical system
• Mechatronics system

MAINTENANCE STANDARD

• Operational performance test
• Major components
• Track and work equipment

DISASSEMBLY AND ASSEMBLY

• Precaution
• Tightening torque
• Pump device
• Main control valve
• Swing device
• Travel device
• RCV lever
• Turning joint
• Boom, arm, and bucket cylinder
• Undercarriage

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