VENTING THE FUEL
SYSTEM
- Models
18,
25,
25XP
and
35
Air must be vented when:
• The fuel filter
and
piping are removed.
• The fuel tank becomes completely empty.
• The engine has not been used for
an
extended time,
Venting procedure
is
as follows:
1.
Fill the fuel tank with fuel, and open the fuel cock.
2.
Twist
off the air vent screw
at
the top of the filter by turning it twice.
3.
When bubbles disappear from fuel coming out of the plug, twist it back on.
4.
Open the air vent plug
on
the fuel injection pump.
5.
Pull the engine stop lever back completely
to
stop the engine,
and
run
the starter for about
10
seconds.
6.
Close the air vent plug when air bubbles disappear from the fuel flowing out.
Models
12,
2-12,
3-20
and
4-30
have
continuous bleed systems.
IMPORTANT:
Do
not
perform venting when the engine
is
hot.
1.
Air
vent screw
44
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