Doosan DX700LC Operation And Maintenance Manual page 193

5. Shut down engine by turning key to "O" (OFF) position.
Remove key from starter switch.
If engine must be run while performing maintenance,
use extreme care. Always have one person in the
cabin at all times. Never leave the cabin with the
engine running.
6. Before starting maintenance work, hang up a tag, "Do Not
Touch When Performing Inspection or Maintenance" on
cabin door or work lever.
Inspection, Maintenance and Adjustment
WARNING
O
Figure 9
Figure 10
I
FG000175
FG000401
OP001123
4-5