Description
Doosan DX420LC-3 Hydraulic Excavator Shop Manual (Serial Number 1001 and Up)
Doosan DX420LC-3 Hydraulic Excavator Table of Contents:
DX420LC-3
Table of Contents
Safety
Track Excavator Maintenance Safety SP002322
Specifications
Specification for DX420LC-3 SP002670
General Maintenance
General Maintenance Instructions SP002454
Standard Torques SP002404
Upper Structure
Cabin SP002324
Counterweight SP002697
Fuel Tank SP002699
Fuel Transfer Pump (Option) SP002560
Swing Bearing SP002329
Lower Structure and Chassis
Track Assembly SP002561
Engine and Drivetrain
Engine SP002654
Engine Coolant Heater (Option) SP002328
Drive Coupling (Main Pump) SP002562
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment
Accumulator SP002455
Center Joint (Swivel) SP002545
Cylinders SP002769
Swing Device SP002653
Travel Device SP002609
Main Pump SP002567
Gear Pump SP002568
Fan Motor for Oil Cooler SP002576
Fan Motor for Radiator SP002577
Fan Pump SP002553
Main Control Valve SP002656
Remote Control Valve (Work Lever / Joystick) SP002578
Travel Control Valve (with Damper) SP002381
Solenoid Valve Assembly SP002406
Breaker EPPR Valve (Option) SP002458
Hydraulic Schematic SP002671
Electrical System
Electrical System SP002571
Electrical Schematic SP002572
Attachments
Boom and Arm SP002669
Bucket SP002421
