Bomag BW 177 D-4 Operating Instructions Manual page 98

Every 500 operating hours
Fig. 147
Unscrew the fuel filter cartridge (Fig. 147) us-
l
ing an appropriate filter wrench.
Clean the sealing face on the filter carrier with
l
a lint-free, clean cloth.
Fig. 148
Unscrew the water separator from the filter
l
cartridge (Fig. 148).
Apply a thin coat of oil to the rubber seal of the
l
water separator.
Screw the water separator on by hand, until
l
the seal contacts.
Tighten the water separator for another half
l
turn.
Caution
!
The filter cartridge must not be pre-filled. Dan-
ger of contamination!
Slightly oil the rubber seal on the filter element
l
and spin the filter element on by hand, until the
seal contacts, then tighten with 18 Nm.
98
Bleeding
Fig. 149
For bleeding operate the hand pump (Fig. 149)
l
until strong resistance can be felt and pressure
has built up.
After the test drive check the filter cartridge for
l
leaks.
BOMAG BW 177 D-4