Doosan DX700LC Operation And Maintenance Manual page 236

Change Fuel Cap Filter
External shock or damages to fuel cap may lead to
permanent damage to filter.
1. See under the fuel cap as shown on (Figure 84). Rotate
bolt to CCW direction to loosen.
2. After disengaging it as shown on (Figure 85), carefully lay it
on floor.
3. After disengaging, disengage rubber as shown on (Figure
86).
Inspection, Maintenance and Adjustment
4-48
WARNING
Figure 83
Figure 84
Figure 85
Figure 86
FG015720
FG015684
FG015685
FG015686
OP001123