Great Planes Siren EP ARF - GPMA1065 - Manual (Page 9)

3/8" [10mm] heat shrink tubing to prevent the leads from
becoming disconnected.
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3. Temporarily attach the servo to the receiver. Turn on the
radio and center the servo. Test fit the servo in the servo bay.
Adjust the servo arm until one of the arms is at a 90° angle to
the bottom of the wing. Cut off the remaining servo arms and
tack glue the servo in place with a drop of medium CA.
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4. Thread a nylon clevis twenty turns onto the threaded
end of a 2mm x 150mm threaded pushrod. Slide a clevis
retainer over the clevis. Attach the clevis to the outer hole of
a small nylon control horns.
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5. Align the holes in the control horn with the hinge line,
keeping the pushrod aligned with the servo arm. Mount the
control horn using two 2-56 x 5/8 [16mm] machine screws. Use
the backing nylon plate on the other side of the aileron.
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6. Mark the pushrod where it crosses the servo arm. Make
a 90° bend at the mark and push through the servo arm. Attach
a nylon FasLink and trim off the excess pushrod, leaving
approximately 1/16" [1.6mm] past the FasLink. Remove the
elevator servo.
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7. Carefully trim the servo cover along the cutlines.
Lightly sand the area of the heat shrink servo wrap that will
be glued to the wing. Align the servo so that the pushrod
clears the cover. The servo travel should not bind against
the servo cover. When you have everything lined up, glue
the servo in place using epoxy.
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8. Mark the location of the servo cover screws on the
wing. Drill a 1/16" [1.6mm] hole at that location. Harden the
9