Hyundai R320LC-7A Crawler Excavator Workshop Service Repair Manual

Hyundai R320LC-7A Crawler Excavator Workshop Service Repair Manual

Hyundai R320LC-7A Crawler Excavator Operator Manual

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Table of Contents – Hyundai R320LC-7A Crawler Excavator Workshop Service Repair Manual

Area 1 – General Information

• Safety and Security Hints
• Specifications

Area 2 – Structural and Function

• Pump Device
• Main Control Valve
• Swing Device
• Traveling Device
• RCV Bar (Remote Control Valve)
• RCV Pedal

Area 3 – Hydraulic System

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

Area 4 – Electrical System

• Component Location
• Electrical Circuit
• Electrical Component Specifications
• Connectors

Area 5 – Mechatronics System

• Overview
• Work 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
• Tracking System

Area 6 – Troubleshooting

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

Area 7 – Maintenance Specifications

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

Area 8 – Disassembly and Assembly

• Precautions
• Tightening Torque
• Pump Unit
• Main Control Valve
• Swing Device
• Traveling Device
• RCV Lever
• Swivel Joint
• Boom, Arm and Bucket Cylinder
• Chassis
• Work Tools

Area 9 – Component Mounting Torque

• Introduction Guide
• Engine System
• Electrical System
• Hydraulic System
• Chassis
• Frame
• Work Tools

Hyundai R320LC-7A Crawler Excavator Operator & Workshop Service Repair Manual

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Hyundai R320LC-7A Crawler Excavator Workshop Service Repair Manual