Service and maintenance
168
Fuel system
Changing water separator element
Change the water separator element every 500 hours.
Model
Manufacturing place and serial number
Korea
German
China
EC21OB
-
13921
-
30779
Place a vessel under drain hose (F) and drain the water.
Change the element after loosening 4 screws (G) and removing
the cover (H)
A
Model
Manufacturing place and serial number
Korea
German
China
EC21OB
13922
-
30780-
1 Remove the filter (B) including the bowl (C) assembly and
drain valve (E).
2 Remove the bowl assembly and set it aside for reinstallation
3 Check the condition of the 0-ring. Replace the 0-ring if dam-
- B
aged.
C
4 Carefully install the bowl assembly with the new filter. Tighten
E
it with hand only.
5 Clean the mounting surface of element, fill with fuel in the filter
and apply a small amount of fuel to the gasket of the new filter.
6 Install the new filter until it contacts the mounting surface.
Tighten the filter and bowl.
Draining water of water separator
Place a vessel under drain hose (F) and drain the water.
Loosen the bleed screw (L) and open drain valve (E) to drain the
water.
S 8672
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