Hyundai R140LC-7A Crawler Excavator Service Repair Manual

Product Overview

This comprehensive service repair manual for the Hyundai R140LC-7A Crawler Excavator is an essential resource for service professionals. It offers detailed guidance to enhance repair quality by providing an in-depth understanding of the excavator. The manual is designed to assist you in performing repairs efficiently and effectively.

Crawler Excavator Model: R140LC-7A
Language: English
Format: PDF

• Service Repair Manual – 506 Pages
• Operators Manual – 198 Pages

Key Features

• Comprehensive coverage of repair procedures, technical specifications, and maintenance guidelines.
• Structured tables of contents for easy navigation.
• Illustrative diagrams and step-by-step instructions.

Benefits

• Optimizes repair quality and efficiency.
• Enhances understanding of the excavator’s components and systems.
• Improves decision-making during repair and maintenance tasks.

Usage Recommendations

• Consult the manual regularly for accurate repair procedures.
• Understand the detailed operating systems before conducting complex repairs.
• Use this manual as a training tool for new service professionals.

Table of Contents

SECTION 1: GENERAL

• Group 1: Safety Hints
• Group 2: Specifications

SECTION 2: STRUCTURE AND FUNCTION

• Pump Device
• Main Control Valve
• Swing Device
• Travel Device
• RCV Lever
• RCV Pedal

SECTION 3: HYDRAULIC SYSTEM

• Hydraulic Circuit
• Main Circuit
• Pilot Circuit
• Single Operation
• Combined Operation

SECTION 4: ELECTRICAL SYSTEM

• Component Location
• Electrical Circuit
• Electrical Component Specification
• Connectors

SECTION 5: MECHATRONICS SYSTEM

• Outline
• Mode Selection System
• Automatic Deceleration System
• Power Boost System
• Travel Speed Control System
• Automatic Warming Up Function
• Engine Overheat Prevention Function
• Anti-Restart System
• Self-Diagnostic System
• Engine Control System
• EPPR (Electro Proportional Pressure Reducing) Valve
• Monitoring System
• Fuel Warmer System

SECTION 6: TROUBLESHOOTING

• Before Troubleshooting
• Hydraulic and Mechanical System
• Electrical System
• Mechatronics System

SECTION 7: MAINTENANCE STANDARD

• Operational Performance Test
• Major Components
• Track and Work Equipment

SECTION 8: DISASSEMBLY AND ASSEMBLY

• Precaution
• Tightening Torque
• Pump Device
• Main Control”, “