Every 500 operating hours
BOMAG78 BMP 8500
Fig. 114
l Apply a thin film of fuel to the seals and screw
the new filter cartridge (Fig. 114) on hand-
tight.
Bleed the fuel system
Fig. 115
l Open the bleeding screw on the fuel filter (Fig.
115) and crank the engine with the starter, un-
til fuel runs out without air bubbles.
l Retighten the bleeding screw.
Fig. 116
l Open the bleeding screw on the injection
pump (Fig. 116) and crank the engine with the
starter, until fuel runs out without air bubbles.
l Retighten the bleeding screw.