Hyundai R450LC-3 Crawler Excavator Service Repair Manual Download

This is the most complete service repair manual for the Hyundai Robex 450LC-3 Crawler Excavator.
This manual contains service,repair procedures,assembling,disassembling, wiring diagrams and everything you need to know.

Service Repair Manual Covers:

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

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Language: English
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