Doosan DX380LC-3 Excavator Repair Manual PDF

Manuals: Shop Manual

Safety

Track Excavator Maintenance Safety SP002322

Specifications

Specification for DX380LC-3 SP002604

General Maintenance

General Maintenance Instructions SP002454

Standard Torques SP002404

Upper Structure

Cabin SP002324

Counterweight SP002606

Fuel Tank SP002410

Fuel Transfer Pump (Option) SP002394

Swing Bearing SP002329

Lower Structure and Chassis

Track Assembly SP002607

Engine and Drivetrain

Engine Coolant Heater (Option) SP002328

Drive Coupling (Main Pump) SP002411

Hydraulics

Hydraulic System Troubleshooting, Testing and Adjustment SP002412

Accumulator SP002455

Center Joint (Swivel) SP002545

Cylinders SP002422

Swing Device SP002413

Travel Device SP002609

Main Pump SP002415

Gear Pump SP002568

Fan Motor for Oil Cooler SP002552

Fan Pump SP002553

Main Control Valve SP002416

Remote Control Valve (Work Lever / Joystick) SP002450

Travel Control Valve (with Damper) SP002381

Solenoid Valve Assembly SP002406

Breaker EPPR Valve (Option) SP002458

Hydraulic Schematic SP002610

Electrical System

Electrical System SP002418

Electrical Schematic SP002419

Attachments

Boom and Arm SP002605

Bucket SP002421

Changing the Burner Head

Removal

1. Remove heater.

2. Remove combustion air fan.

3. Remove burner, flame monitor and glow plug.

4. Remove mounting screw of the V-clamping collar (2, Figure 6) and pull off the clamping collar.

5. Pull out and remove burner head (1, Figure 6) from the heat exchanger (3, Figure 6).

6. Complete the work on stripped-down components.

Installation

NOTE: The burner head and exhaust outlet port can also be aligned during installation in the machine.

1. Guide the burner head (1, Figure 6) into the heat exchanger (3, Figure 6), align it if necessary and secure with the V-clamping collar (2, Figure 6).

2. If necessary, tighten the mounting screw of the V-clamping collar to 3 Nm 10%.

3. Install the burner, flame monitor and glow plug.

4. Attach the combustion air fan.

5. Install the heater.