Assemble The Fuel Tank - GREAT PLANES Easy Sport 40 Instruction Manual

Assemble the Fuel Tank

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1. Locate the parts for the fuel tank. You will need only
one long and one short aluminum tube. Cut the silicone
fuel tube to a length of 3-1/2" [89mm].
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2. Push one end of the fuel tube onto the clunk. On the
long aluminum tube, put a bend of about 40 degrees 1"
[25.4mm] from one end.
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3. Assemble the stopper as shown. On the front of the
rubber stopper, one of the three holes is covered. DO NOT
use that hole. Insert the short aluminum tube into the
stopper with the end extending about 3/4" [19mm] past the
outside of the stopper. Next place the small metal inner
retaining ring onto the tube, then push the silicone fuel tube
onto the tube. Insert the long aluminum tube through the
retaining ring and into the stopper with the bend as shown
in the photo. Install the large metal retaining ring on the
outside of the assembly and partially install the screw.
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4. Push the stopper assembly into the tank and check
the fit of the parts. The end of the bent tube should just
touch the top of the tank. Rotate the tank around with the
stopper facing up. The clunk should not touch the back of
the tank. When the parts fit properly, tighten the screw on
the stopper assembly. Mark the tube that is connected to
the clunk. In the above photo, we marked the tube on the
right side of the tank with an "F", for fuel.
Completing the Engine & Fuel
Tank Installation
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1. Mark the position of the needle valve for your engine
installation. Also, mark the fuselage for any cutouts you will
need for the muffler, then remove the engine from the mount.
Cut or drill the fuselage side to allow for ease of needle valve
adjustments. Leave a space around the needle valve so that
any vibrations will not affect the needle setting.
Note: A small piece of music wire or a cut down hex wrench
can be used to extend the needle if it does not reach
through the fuse side.
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