CRAWLER EXCAVATOR R800LC-7A
  FOREWORD

CONTENTS

 SECTION 1
GENERAL  
Group 1 Safety Hints  
Group 2 Specifications  
 SECTION 2
STRUCTUREND FUNCTION  
Group 1 Pump Device  
Group 2 Main Control Valve  
Group 3 Swing Device  
Group 4 Travel Device  
Group 5 RCV Lever  
Group 6 RCV Pedal  
 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 Electrical Circuit  
Group 3 Electrical Component Specification  
Group 4 Connectors  
 SECTION 5
MECHATRONICS SYSTEM  
Group 1 Outline  
Group 2 Mode selection System  
Group 3 Automatic Deceleration System  
Group 4 Power Boost System  
Group 5 Travel Speed Control System  
Group 6 Automatic Warming Up Function
Group 7 Engine Overheat Prevention Function
Group 8 Anti-Restart System
Group 9 Self-Diagnostic System
Group 10 Engine Control System
Group 11 EPPR(Electro Proportional Pressure Reducing) Valve
Group 12

Group 13

 Monitoring system

Fuel warmer system
 SECTION 6
  TROUBLESHOOTING
Group 1 Before troubleshooting
Group 2 Hydraulic and Mechanical System
Group 3 Electrical System
Group 4 Mechatronics System
 SECTION 7
  MAINTENANCE STANDARD
Group 1 Operational Performance Test
Group 2 Major Components
Group 3 Track and Work Equipment
 SECTION 8
  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 RCV Lever  
Group 8 Turning Joint  
Group 9 Boom, Arm and Bucket Cylinder  
Group 10 Undercarriage  
Group 11 Work Equipment  
 SECTION 9
  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