CRAWLER TYPE EXCAVATOR [R450LC-3]
  FOREWORD
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 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 Monitoring System
Group 4 Electrical Component Specification
Group 5 Connectors
Group 6 Fuel Filter Pump
SECTION 5  
  MECHATROMICS SYSTEM  
Group 1 Outline
Group 2 Mode Selection System
Group 3 Automatic Deceleration System
Group 4 Cut-Off Function
    Group 5 Power Boost System
Group 6 Heavy Lift System
Group 7 Swing Control System
Group 8 Travel Control System
Group 9 Arm Half Flow System
Group 10 Automatic Warming Up Function
Group 11 Engine Overheat Prevention Function
Group 12 Self Diagnostic Display System
Group 13 Engine Control System
Group 14 EPPR(Electro Proportional Pressure Rejucing) Valve
SECTION 6  
  TROUBLESHOOTING  
Group 1 Hydraulic and Mechanical System
Group 2 Electrical System
Group 3 Mechatronics System
Group 4 Electrical System By Hyper DAT
Group 5 Mechatronics System By Hyper DAT
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-1
  Main Control Valve-2
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