Factory Shop Manual For Doosan DX420LC-3 Excavator. Illustrations, instructions, diagrams for step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups.

Format: PDF
Language: English
Pages: 1902
Number: 950106-00398E
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Doosan Excavator

DX420LC-3

Contents

-SAFETY
Track Excavator Maintenance Safety
-SPECIFICATIONS
Specification for DX420LC-3
-GENERAL MAINTENANCE
General Maintenance Instructions
Standard Torques
-UPPER STRUCTURE
Cabin
Counterweight
Fuel Tank
Fuel Transfer Pump (Option)
Swing Bearing
-LOWER STRUCTURE AND CHASSIS
Track Assembly
-ENGINE AND DRIVETRAIN
Engine
Engine Coolant Heater (Option)
Drive Coupling (Main Pump)
-HYDRAULICS
Hydraulic System Troubleshooting, Testing and Adjustment
Accumulator
Center Joint (Swivel)
Cylinders
Swing Device
Travel Device
Main Pump
Gear Pump
Fan Motor for Oil Cooler
Fan Motor for Radiator
Fan Pump
Main Control Valve
Remote Control Valve (Work Lever / Joystick)
Travel Control Valve (with Damper)
Solenoid Valve Assembly
Breaker EPPR Valve (Option)
Hydraulic Schematic
-ELECTRICAL SYSTEM
Electrical System
Electrical Schematic
-ATTACHMENTS
Boom and Arm
Bucket