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7-29
REPLACEMENT OF FUEL FILTER
Remove the fuel filter cartridge (1) with 32
mm hex wrench.
Apply a thin layer of fuel to the surface of
the new filter cartridge gasket before you
put it on.
Tighten the new cartridge by hand.
Open the fuel valve and bleed the fuel
system.
Operate the engine for a while and check
if there is not the fuel leakage from the
filter.
11)
(1)
(2)
(3)
(4)
(5)
BLEEDING THE FUEL SYSTEM
Loosen air vent plug at the outlet of
prefilter.
Do hand-priming the lift pump repeatedly
until air bubbles comes out from air vent
plug hole completely.
Tighten air vent plug to its origin position.
The fuel pump, high-pressure fuel lines,
and fuel rail contain very high-pressure
fuel. Do not loosen any fittings while
the engine is running. Personal injury
and property damage can result. Wait
at least 10 minutes after shutting down
the engine before loosening any fittings
in the high-pressure fuel system to
allow pressure to do decrease to a
lower level.
12)
(1)
(2)
(3)
Air vent
plug
Open
Close
Lift pump
35D9F6MI23
80D9ENG09
1 Fuel filter cartridge