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Hook up the throttle, Assemble/install the fuel tank – Great Planes 38% Extra 330S ARF - GPMA1290 User Manual

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Hook Up the Throttle

Refer to these photos of the completed throttle servo

installation while hooking up the throttle.

Throttle Servo Mount

Guide Tube Support

1. Glue together the plywood throttle servo mount using

the parts shown. Mount the throttle servo in the mount.
Harden the screw holes with thin CA.

2. Place the mount with the servo in the fuselage where

shown so it will align—as closely as possible—with the
carburetor arm on the engine.

3. Drill a 3/16" [4.8mm] hole through the fi rewall for the

throttle pushrod guide tube.

4. Cut the throttle pushrod and the guide tube to the

correct length and make the throttle pushrod from the parts
shown—silver solder is recommended for soldering the
threaded coupler to the pushrod.

5. Connect the throttle pushrod to the servo and engine

and securely glue the throttle servo mount in the fuselage.

Assemble/Install the Fuel Tank

1. Assemble the stopper assembly with the fuel tubes as

shown—the easiest way is to fi rst solder a fuel line barb onto
one end of all three tubes. Insert the tubes into the stopper
with the metal plates, and then solder a barb onto the other