Fuel Prefilter - Draining - MTU 12 V 4000 G73 Operating Instructions Manual

7.8.4 Fuel prefilter – Draining
Preconditions
☑ Engine is stopped and starting disabled.
Special tools, Material, Spare parts
Designation / Use
Diesel fuel
Gasket
WARNING
Fuels are combustible.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
Fuel prefilter – Draining
1. Cut out filter to be drained.
1 Left filter cut in
2 Right filter cut in
2. Open threaded vent plug (5) of filter to be
drained.
3. Unlock drain valve (6) by pressing toggle
and open it.
4. Drain water and contaminants from filter
until pure fuel emerges.
5. Close drain valve (6).
6. Remove screws for cover and take off cov-
er (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 in the cut-out filter again.
11. Close threaded vent plug (5) when fuel
emerges.
(→ Spare Parts Catalog)
MS150029/02E 2013-03 | Task Description | 109
Part No. Qty.