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Doosan Crawler Excavator Type DX420LC S/N: 5327 and Up Workshop Service Manual
Original Illustrated Factory Workshop Service Manual for Doosan Crawler Excavator Type DX420LC.
Original factory manuals for Doosan Excavators, contains high quality images, circuit diagrams and instructions to help you to operate, maintenance and repair your truck. All Manuals Printable, contains Searchable Text and Navigation Bookmarks
Covered models:
S/N: 5327 and Up
Format: PDF, 862 Pages
Language: English
Contents:
Safety
Track Excavator Safety
Specifications
Specification for DX420LC
General Maintenance
General Maintenance Procedures
Standard Torques
Upper Structure
Cabin
Counterweight
Fuel Tank
Fuel Transfer Pump (Opt)
Swing Bearing
Swing Reduction Gear
Lower Structure and Chassis
Track Assembly
Engine and Drive Train
Drive Coupling (Main Pump)
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment
Accumulator
Center Joint (Swivel)
Cylinders
Swing Motor
Travel Motor (With Gearbox)
Main Pump
Gear Pump (Fan Cooling Drive)
Main Control Valve
Remote Control Valve (Work Lever / Joystick)
Travel Control Valve (With Damper)
Fan Motor (Vane Type)
Fan Cooling Flow In-Out Change Valve
Solenoid Valve Assembly
Breaker EPPR Valve (Opt)
Hydraulic Schematic (DX420LC)
Electrical System
Electrical System
Electrical Schematic DX420LC
Attachments
Boom and Arm
Bucket.
File Data
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