Section 11: Assembling the Fuel Tank
34
Step 5.
You will need to make a bend in one of the tubes to
bend up inside to the top of the tank when the cap assembly is
installed onto the fuel tank. Insert the cap assemble to the tank
and see if the tube is near the top of the tank as shown below. If
not, remove the cap assembly and bend tube until it reaches the
top of the tank, but not touching it. Be careful not to "kink" the
tube when bending.
Step 6.
Locate the piece of clear silicone fuel tubing and metal
clunk. This tubing will be used for the fuel pickup tube inside
the fuel tank. Insert the clunk onto one end of the fuel tubing
and install the other end onto the pick up tube of the fuel tank
cap assembly.
Step 7.
Carefully insert the assembly into the fuel tank. Note the
position of the vent tube—it must be at the top portion of the
fuel tank to function properly. Also, it may be necessary to short-
en the length of the fuel pickup tubing and make sure the clunk
does not rub against the back of the fuel tank. You should be
able to turn the tank upside down and the clunk freely drops to
the top of the tank. Refer to previous illustration.
Step 8.
Tighten the 3 mm screw carefully—do not overtighten.
This allows the rubber stopper to form a seal by being slightly
compressed and thus sealing the fuel tank opening.
Important:
Remember which tube is the vent and which is
the fuel pickup. Once the tank is mounted inside the
fuselage, it will be difficult to determine which is
which. We have included two different color pieces of
fuel tubing. We suggest using the red tubing for the
fuel line to the carburetor of your engine and the green
for the vent tube.
The fuel tank will be installed into the fuselage after the engine
mount is installed.
CONTINUED
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Summary of Contents for Hangar 9
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