Doosan DX300LC Excavator Cabin Removal Guide

This illustration show you guide on how to remove cabin for Doosan DX300LC excavator.

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Procedures

1. Park on firm and level ground.
2. Lower front attachment (bucket) to ground.
3. Shut down engine.
4. Set safety lever on "RELEASED" position.
5. Turn starter switch to "I" (ON) position.

6. Fully stroke work levers (joysticks) in all directions to relieve pressure from accumulators.

7. Set safety lever on "LOCK" position.
8. Turn key to "O" (OFF) position and remove from starter switch.
9. Hang maintenance warning tag on controls.
10. Disconnect the battery cable from the negative (-) battery terminal.
11. Prepare cabin shell for removal by disconnecting wiring connectors for:
A. Cabin interior lighting.
B. External light wiring.
C. Radio antenna and connections.
D. Wiper/washer connections.
NOTE: Control console wiring harnesses and hydraulic piping lines that pass through the floor of the cabin do not need to be disassembled.
NOTE: If unit is equipped with a cabin protective structure (for forestry, or hazardous working conditions), it must be removed.
12. Remove floor mat.
13. Remove operator's seat

14. Remove duct covers (2, 3 and 4, Figure 2). When removing cover (2) disconnect hour meter connector and cigar lighter connector. Disconnect main harness connector before removing cover (4).
15. Remove pocket (5, Figure 2) before removing side panel
16. Remove air duct at right side of cabin. Disconnect duct wiring connector before removing duct (2).

17. Disconnect washer hose at floor plate bottom.
17. Disconnect washer hose at floor plate bottom.
18. Remove cover (5, Figure 4) on left side dash cover (3) and bolts (1, Figure 5).
NOTE: When removing cover, disconnect speaker wire.
19. Remove two rubber stops (2, Figure 4) used in storing the front lower glass. Remove bolts (1) from the rear left and right dash covers. Remove left side cover (3).

20. Lift right side dash cover (4, Figure 4) and disconnect speaker wire. Remove cover.
21. Remove three bolts (2, Figure 5) after disconnecting the speaker and antenna wires. Remove stereo assembly.
22. Disconnect cabin light wiring connector.
23. Disconnect cabin ground cable

24. Remove four mounting nuts from four corners of cabin floor (2, Figure 6).
25. Remove four hex bolts (3, Figure 6) from door side of cabin floor.
26. Remove two hex bolts (1, Figure 6) from right side of cabin floor and one bolt (4) from front of cabin floor.

27. Using a suitable lifting device, attach slings to four lift points on top of cabin (Figure 7).

NOTE: Cabin weighs approximately 290 kg (639 lb).
28. Lift cabin approximately 25 - 50 mm (1" - 2") above deck.
Check that all electrical connections have been disconnected and all other items unbolted.www.car-auto-repair.com
29. Continue lifting with the assist crane to remove the cabin shell. Lower the shell to a prepared safe blocking support.