Illustration 84 g06446731
Primary fuel filter with Water In Fuel (WIF) sensor.
1. Attach a suitable length of hose to outlet (3) to
capture the fluid that is being drained from the
primary fuel filter assembly into a suitable
container.
2. Open drain valve (2). Capture the draining fluid
into the suitable container.
3. If necessary, open vent screw (1) to allow the fluid
to be drained.
4. Close drain valve (2) hand tight.
5. If necessary, close vent screw (1) hand tight.
6. Dispose of the drained fluid correctly.
Also, drain water from the secondary fuel filter. Refer
to this “Operation and Maintenance Manual”Fuel
System Secondary Filter/Water Separator - Drain for
more information.
NOTICE
The water separator is under suction during normal
engine operation. Ensure that the drain valve and
vent screw is tightened securely to help prevent air
from entering the fuel system.
i07905847
Fuel System Primary Filter/
Water Separator - Drain
Fuel leaked or spilled onto hot surfaces or electri-
cal components can cause a fire. To help prevent
possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Clean up fuel spills immediately.
NOTICE
The water separator is not a filter. The water separa-
tor separates water from the fuel. The engine should
never be allowed to run with the water separator
more than half full. Engine damage may result.
Illustration 85 g01316965
Typical example
1. Open drain (1). Catch the draining fluid in a
suitable container. Dispose of the drained fluid
correctly.
2. Close drain (1) use hand pressure only.
Also, drain water from the secondary fuel filter. Refer
to the “Operation and Maintenance Manual”Fuel
System Secondary Filter/Water Separator-Drain for
more information.
110 M0094137-02
Maintenance Section
Fuel System Primary Filter/Water Separator - Drain
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