MTU 20 V 4000 G23 Technical Publication page 121

116
Fuel prefilter – draining
1. Cut out the filter to be drained.
2. Open vent plug (5) of the filter to be drained.
3. Unlock drain cock (6) by pressing toggle and
open it.
4. Drain water and contaminants from the filter until
pure fuel emerges.
5. Close drain cock (6).
6. Remove screws securing the cover and take
off cover (2).
7. Fill filter housing with clean fuel.
8. Place new gasket in cover (2).
9. Fit cover with gasket and secure it with screws.
10. Cut the cut-out filter in again.
11. When fuel emerges from system, close vent
plug (5).
M015715/00E 06-08
I Left filter cut in
II Right filter cut in
Task Description
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