2.
Open vent plug (5) of the filter to be flush-
ed.
3.
Unlock drain valve (6) by pressing toggle,
open it and drain fuel.
Result:
Fuel flows from filtered side back to the un-
filtered side, flushing the filter deposits
downwards out of the filter.
4.
Close vent plug (5) and drain valve (6).
Fuel prefilter – Filling with fuel
1.
Remove screws for cover and take off cover (2).
2.
Fill filter housing with clean fuel.
3.
Place new gasket in cover (2).
4.
Fit cover with gasket and secure it with screws.
5.
Check differential pressure (→ Page 63).
Result:
If flushing did not lead to an improvement of the differential pressure, replace filter element of fuel pre-
filter (→ Page 67).
66 | Task Description | MS150117/01E 2014-10
TIM-ID: 0000004937 - 019
