Hyundai R55-7A Repair Manual [Crawler Excavator]

Factory Service Repair Manual For Hyundai R55-7A Crawler Excavator. Step by step Instructions, illustrations, diagrams for remove & install, assembly & disassembly, service, maintenance, repair, overhaul, tune-up, reassembly, rebuild.

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Hyundai R55-7A Crawler Excavator

Contents

FOREWORD
CONTENT
GENERAL
Safety Hints
Specifications
STRUCTURE AND FUNCTION
Pump Device
Main Control Valve
Swing Device
Travel Motor
RCV Lever
HYDRAULIC SYSTEM
Hydraulic Circuit
Main Circuit
Pilot Circuit
Single Operation
Combined Operation
ELECTRICAL SYSTEM
Component Location
Monitoring System
Electrical Circuit
Electrical Component Specification
Connectors
TROUBLESHOOTING
Before Troubleshooting
Hydraulic and Mechanical System
Electrical System
MAINTENANCE STANDARD
Operating 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, Bucket Cylinder
0 Undercarriage
1 Work Equipment
COMPONENT MOUNTING TORQUE
Introduction guide
Engine system
Electric system
Hydraulic system
Undercarriage
Structure
Work equipment