Installing The Stopper Assembly; Fuel Tank Installation - Seagull Models Piper Cub Assembly Manual

INSTALLING THE STOPPER ASSEMBLY.

1) Using a modeling knife, carefully cut
off the rear portion of one of the 3 nylon tubes
leaving 1/2" protruding from the rear of the
stopper. This will be the fuel pick up tube.
2) Using a modeling knife, cut one length
of silicon fuel line. Connect one end of the line
to the weighted fuel pick up and the other end
to the nylon pick up tube.(The silicon tube is
not included).
3) Carefully bend the second nylon tube
up at a 45º angle. This tube is the vent tube.
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permenently set the angle of the vent tube.
Important: When the stopper assembly is in-
stalled in the tank, the top of the vent tube
should rest just below the top surface of the
tank. It should not touch the top of the tank.
tank. It may be necessary to remove some of
the flashing around the tank opening using a
modeling knife. If flashing is present, make
sure none falls into the tank.
the weighted pick-up should rest away from
the rear of the tank and move freely inside the
tank. The top of the vent tube should rest just
below the top of the tank. It should not touch
the top of the tank.
the stopper assembly tighten the 3 x 20mm
machine screw until the rubber stopper ex-
pands and seals the tank opening. Do not
overtighten the assembly as this could cause
the tank to split.
attach fuel tubing to the tubes in the stopper.
Once the tank is installed inside the fuselage,
it may be difficult to determine which is which.
Vent tube.
Fuel fill tube.
Carefully use a lighter or heat gun to
4) Test fit the stopper assembly into the
5) With the stopper assembly in place,
6) When satisfied with the alignment of

FUEL TANK INSTALLATION.

Plastic tape.
You should mark which tube is the vent
and which is the fuel pickup when you
Fuel pick up tube.
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