Doosan DX700LC Operation And Maintenance Manual page 45

Preparation for Electrical Welding on Body Structure
To prevent damage to ECU by electrical welding, please
observe the following procedures:
1. Open the door of the battery cover.
2. "ON" selected switch turn on lift direction "OFF" in the cut
off switch.
3. Open the valve room door, and after that detach the
connector (1) from the ECU that are installed at the wall.
4. Proceed with welding.
5. After welding, carefully reassemble the connector.
6. Return "ON" selected switch panel in the cut off switch.
7. Reassemble the undercover under the engine.
8. Close the cover of the battery.
Warning for Counterweight and Front
Attachment Removal
DOOSAN warns any user, that the removal of the
counterweight from the machine, front attachment or any
other part, may affect the stability of the machine. This
could cause unexpected movement, resulting in death or
serious injuries. DOOSAN is not liable for any misuse.
Never remove the counterweight or front attachment unless
the upper structure is in-line with the lower structure.
Never rotate the upper structure once the counterweight or
front attachment has been removed.
Safety
DANGER
Figure 36
Figure 37
Figure 38
ON OFF
FG015761
1
1
FG015762
FG015763
OP001120
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