MTU 20 V 4000 G23, Technical Publication

Page: 125 / 178

120 Task Description
I Left filter cut in
II Right filter cut in
Fuel prefilter – filter element replacement
1. Cut out the contaminated filter.
2. Open vent plug (5) of the contaminated filter.
3. Unlock drain cock (6) by pressing toggle and
open it.
4. Drain water and contaminants from the filter.
5. Close drain cock (6).
6. Remove screws securing the cover and take
off cover (2).
7. Remove spring (4) and filter element (3).
8. Insert new filter element (3) and spring (4).
9. Fill filter housing with clean fuel.
10. Place new gasket in cover (2).
11. Fit cover with gasket and secure it with screws.
12. Cut the cut-out filter in again.
13. Close vent plug (5) when fuel emerges.
14. Align adjustable pointer of differential pressure
gauge with pressure-indicating pointer.
( → Page 114).
M015715/00E 06-08 © MTU