Great Planes T-Craft 20 Kit - GPMA0155 - Manual (Page 40)

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1. Remove the cowl from the fuse. Use coarse sandpaper
to roughen the outside of the 24" outer pushrod tube.
Insert the outer pushrod tube through the throttle pushrod
exit hole in the firewall. With the aft end of the outer pushrod
tube approximately 1-1/2" from the throttle servo arm, glue
the outer pushrod tube to the firewall. Cut the pushrod tube
flush with the firewall.
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2. Thread the 2-56 x 1" stud into one end of the leftover
white nylon inner pushrod. Thread a nylon clevis 14 turns
onto the 1" stud.
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3. Insert the throttle pushrod in the throttle outer pushrod
tube from the inside of the fuse.
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4. Position the throttle servo arm so that it is adjusted to
the aft position. Measure and cut the white inner pushrod
1/2" forward of the firewall.
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5. Cut off 1/2" of the thread from the 2-56 x 6" pushrod.
Thread the pushrod into the white inner pushrod forward of
the firewall. Hint: Make a small 90 degree bend at the non-
threaded end of the pushrod to hold on to. Carefully hold the
white inner pushrod with a pliers while threading the
pushrod into the inner pushrod.
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6. Attach the screw-lock pushrod connector to the throttle
arm of the engine. Insert the pushrod through the pushrod
connector and adjust the throttle.
❏ ❏ 1. Install the grommets and brass eyelets in one of the
aileron micro servos and install the servo in the wing using
the hardware from your radio system.
❏ ❏
2. Thread a nylon clevis approximately 14 turns onto
the end of a 2-56 x 12" metal pushrod. Remove the backing
plate from a small nylon control horn and connect the clevis
to the horn in the outer hole.
❏ ❏ 3. Position the control horn (refering to the sketch in
step 7 on page 39) on the aileron as shown on the plans.
Mark the location of the control horn mounting holes and
drill 1/16" pilot holes at the marks. Temporarily mount the
control horn to the aileron with #2 x 3/8" sheet metal screws.
Install the Aileron Pushrods
Install the Throttle Pushrod
40