Doosan DX700LC Operation And Maintenance Manual page 229

Change of Fuel Prefilter
1. Open the left rear side door to access fuel prefilter.
2. Position a small container under prefilter. Drain fuel by
opening drain valve on bottom of filter.
NOTE: Dispose of drained fluids according to local
regulations.
3. Remove the bowl using supplied tool.
4. Remove the cartridge.
5. Coat surface of packing (2, Figure 66) with fuel on new
cartridge (1).
6. Tighten the cartridge by hand until the packing comes into
contact with the surface of the filter housing head.
7. When it reach the surface, tighten the cartridge about 3/4
of a turn more.
8. Coat surface of seal (3, Figure 66) with fuel, and tighten
the bowl with tool.
Inspection, Maintenance and Adjustment
Figure 64
Figure 65
Figure 66
FG 015800
FG 016116
2
1
3
FG000428
OP001123
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