This workshop manual is designed for the Hyundai Wheel Excavator R55W-7, providing maintenance and repair procedures. It includes step-by-step instructions, detailed diagrams, and pictures for efficient and accurate completion of all repair tasks. The manual covers a wide range of repair procedures, making it an essential tool for both professional mechanics and DIY enthusiasts.
SECTION 1
GENERAL
Safety Hints
Specifications
SECTION 2
STRUCTURE AND FUNCTION
Pump Device
Main Control Valve
Swing Device
Travel Motor
RCV Lever
RCV Pedal
Brake Pedal(Valve)
Gear box
Steering Valve
Axle
SECTION 3
HYDRAULIC SYSTEM
Hydraulic Circuit
Main Circuit
Pilot Circuit
Single Operation
Combined Operation
SECTION 4
ELECTRICAL SYSTEM
Component Location
Monitoring System
Electrical Circuit
Electrical Component Specification
Connectors
SECTION 5
TROUBLESHOOTING
Before Troubleshooting
Hydraulic and Mechanical System
Electrical System
SECTION 6
MAINTENANCE STANDARD
Operating Performance Test
Major Components
SECTION 7
DISASSEMBLY AND ASSEMBLY
Precaution
Tightening Torque
Pump Device
Main Control Valve
Swing Device
Travel Device
Gear box
Steering Valve
Front Axle
Rear Axle
RCV Lever
Turning joint
Boom, Arm, Bucket Cylinder
Work Equipment
SECTION 8
COMPONENT MOUNTING TORQUE
Introduction Guide
Engine System
Electric System
Hydraulic System
Undercarriage
Structure
Work Equipment
APPENDIX
ENGINE SERVICE MANUAL
INJECTION PUMP SERVICE MANUAL
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