CRAWLER EXCAVATOR R55-3
FOREWORD
 
SECTION 1
GENERAL
Group 1 Safety Hints
Group 2 Specifications
SECTION 2
STRUCTURE AND FUNCTIONND FUNCTION
Group 1 Hydraulic Circuit Diagram
Group 2 Hydraulic Pump
Group 3 Main Control Valve
Group 4 Travel Device
Group 5 Swing Machinery
Group 6 RCV Lever
Group 7 Power Train
Group 8 Swing Circle
Group 9 Track Frame and Tension Spring
SECTION 3
TESTING AND ADJUSTING
Group 1 Operational Performance Test
Group 2 Testing and Adjusting Hydraulic Pressure
SECTION 4
ELECTRICAL SYSTEM
Group 1 Component Location
Group 2 Electrical Circuit Diagram
Group 3 Electrical Circuit Operation
Group 4 Monitoring System
SECTION 5
TROUBLESHOOTING
Group 1 Electrical System
Group 2 Hydraulic Components
SECTION 6
  MAINTENANCE STANDARD
Group 1 Major Components
Group 2 Track and Work Equipment
SECTION 7
  DISASSEMBLY AND ASSEMBLY
  Group 1 Hydraulic Pump
  Group 2 Main Control Valve
  Group 3 Swing Motor
  Group 4 Travel Motor
  Group 5 Remote Control Valve
  Group 6 Turning Joint
APPENDIX
  ENGINE SERVICE MANUAL