Hyundai R55W-9A Wheel Excavator Service Repair Manual

Table of Contents

FOREWORD
GENERAL
1. Safety hints
2. Specifications
STRUCTURE AND FUNCTION
1. Pump device
2. Main control valve
3. Swing device
4. Travel motor
5. RCV Lever
6. Accelerator pedal
7. Brake pedal (valve)
8. Gear box
9. Steering valve
10. Axle
HYDRAULIC SYSTEM
1. Hydraulic circuit
2. Main circuit
3. Pilot circuit
4. Single operation
5. Combined operation
ELECTRICAL SYSTEM
1. Component location
2. Monitoring system
3. Electric circuit
4. Electrical component specification
5. Connectors
6. Fault codes
TROUBLESHOOTING
1. Before troubleshooting
2. Hydraulic and mechanical system
3. Electrical system
4. Axle
MAINTENANCE STANDARD
1. Operational performance test
2. Major component
DISASSEMBLY AND ASSEMBLY
1. Precaution
2. Tightening torque
3. Pump device
4. Main control valve
5. Swing device
6. Travel motor
7. Gear box
8. Steering valve
9. Axle
10. RCV Lever
11. Turning joint
12. Boom, arm and bucket cylinders
13. Work equipment
COMPONENT MOUNTING TORQUE
1. Introduction guide
2. Engine system
3. Electric system
4. Hydraulic system
5. Power train
6. Structure
7. Work equipment

This manual has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to full effect at every opportunity. This manual mainly contains the necessary technical information for operations performed in a service workshop.