WHEEL EXCAVATOR R55W-7A
FOREWORD
CONTENTS
 
SECTION 1
GENERAL
Group 1 Safety Hints
Group 2 Specifications
SECTION 2
STRUCTURE AND FUNCTION
Group 1 Pump Device
Group 2 Main Control Valve
Group 3 Swing Device
Group 4 Travel Motor
Group 5 RCV Lever
Group 6 RCV Pedal
Group 7 Brake Pedal(Valve)
Group 8 Gear box
Group 9 Steering Valve
Group 10 Axle
SECTION 3
HYDRAULIC SYSTEM
Group 1 Hydraulic Circuit
Group 2 Main Circuit
Group 3 Pilot Circuit
Group 4 Single Operation
Group 5 Combined Operation
SECTION 4
ELECTRICAL SYSTEM
Group 1 Component Location
Group 2 Monitoring System
Group 3 Electrical Circuit
Group 4 Electrical Component Specification
Group 5 Connectors
SECTION 5
TROUBLESHOOTING
Group 1 Before Troubleshooting
Group 2 Hydraulic and Mechanical System
Group 3 Electrical System
SECTION 6
  MAINTENANCE STANDARD
Group 1 Operating Performance Test
Group 2 Major Components
SECTION 7
  DISASSEMBLY AND ASSEMBLY
Group 1 Precaution
Group 2 Tightening Torque
Group 3 Pump Device
Group 4 Main Control Valve
Group 5 Swing Device
Group 6 Travel Device
Group 7 Gear box
Group 8 Steering Valve
Group 9 Front Axle
Group 10 Rear Axle
Group 11 RCV Lever
Group 12 Turning joint
Group 13 Boom, Arm, Bucket Cylinder
Group 14 Work Equipment

 

SECTION 8

 

 

COMPONENT MOUNTING TORQUE

 

 

Group 1

Introduction Guide

 

 

Group 2

Engine System

 

 

Group 3

Electric System

 

 

Group 4

Hydraulic System

 

 

Group 5

Undercarriage

 

 

Group 6

Structure

 

 

Group 7

Work Equipment

 

APPENDIX

 

 

 

 

 

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