Still RCD25 - Air Bleeding in the Fuel System; Changing the Fuel Filter

– Tighten the drain valve (1) at the bottom of
the fuel filter.
CAUTION
Do not use tools to loosen the drain valve. Use of
tools may damage the drain valve.
Air bleeding in the fuel system
– Turn counterclockwise and loosen the air
discharge valve (2) on top of the fuel filter.
– Pump with the pump handle (3) until fuel is
discharged through the air discharge valve
(3).
– Turn clockwise and fasten the air discharg-
ing valve (3)
Changing the fuel filter
– Arrange the engine filter to prevent any in-
terference.
– Remove the WIFS (water in fuel sensor)
connector from the fuel filter.

Maintenance
5
Maintenance service
128 60068011601 EN - 09/2020