
This document is printed from SPI². Not for RESALE
80
SEBU8311-02
Maintenance Section
Fuel System - Prime
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Illustration 50
Element
(2) Fuel valve
(3) Vent screw
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Illustration 51
Canister
(4) Vent screw
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Illustration 52
Spin-on
fi
lter with fuel priming pump
(5) Vent screw
Vent screw (3) is installed on the
fi
lter that has an
element. Vent screw (4) is installed on the fuel
fi
lter
that has a canister. Vent screw (5) is installed on the
spin-on
fi
lter.
Priming the system
Ensure that the air is removed from the primary
fi
lter.
Loosen vent screws (1). Refer to illustration 49.
Operate the priming pump. When fuel free from air
fl
ows from the vent screw tighten the vent screw.
Note:
Some fuel system will use gravity in order to
prime the primary fuel
fi
lter. If gravity is used ensure
that the fuel tank is full and that all stop valves in the
fuel line are open.
There is four different types of systems that can be
installed on the engine in order to prime the fuel
system. Refer to illustration 53.
•
Hand priming pump
•
In-line hand priming pump
•
Electrical priming pump
•
Transfer pump that is operated by the starting
motor