CRAWLER EXCAVATOR R110-7A
FOREWORD

CONTENTS
 
SECTION 1
GENERAL
Group 1 Safety Hints
Group 2 Specifications
SECTION 2
STRUCTURE
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
MECHATROMICS SYSTEM
Group 1 Outline
Group 2 Mode selection System
Group 3 Power boost system
Group 4 Travel Speed Control System
Group 5 Automatic Warming Up Function
Group 6 Engine Overheat Prevention Function
Group 7 Anti-Restart System
Group 8 Self-Diagnostic System
Group 9 Engine Control System
Group 10 EPPR(Electro Proportional Pressure Reducing) Valve
Group 11 Prolix Switch
Group 12 Monitoring 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