Great Planes Cirrus SR22 .46-55 ARF - GPMA1363 - Manual (Page 7)

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6. Use the string in the wing to pull the aileron servo
wire through the wing.
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7. Plug the aileron servo into your receiver, switch on
the transmitter and receiver and center the aileron servo
trim. Position a servo arm on the aileron servo so that it is
perpendicular to the aileron servo.
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8. Place the aileron servo cover with the servo in the
wing. Be certain that the cover is positioned correctly as
shown. Use the servo cover as a guide to drill 1/16" [1.6mm]
holes through the plate in the wing. Secure the cover using
four #2 x 3/8" [9.5mm] sheet metal screws and four #2 fl at
washers. Use thin CA to harden the screw threads.
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9. Thread a nylon clevis 20 turns onto the end of a
2-56 x 4" [102mm] metal pushrod. Slide a silicone clevis
retainer over the clevis. Install the clevis in the outer most
hole of a nylon control horn.
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10. Position the control horn so that it is inline with
the aileron servo horn and the clevis pin is aligned with the
aileron hinge line. On the aileron, mark the two mounting
holes. Remove the control horn and drill a 1/16" [1.6mm]
pilot hole at each mark. Do not drill completely through the
aileron. Attach the control horn using two #2 x 3/8" [9.5mm]
sheet metal screws. Use thin CA to harden the holes.
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11 Center the aileron servo and aileron. Mark the pushrod
where it meets the outer hole of the servo arm. Remove the
pushrod from the aileron control horn and make a 90° bend
at the mark. Reinstall the pushrod on the aileron control horn.
Insert the L-bend in the aileron servo arm and secure it with a
nylon Faslink. Cut the pushrod 1/32" [.8mm] past the Faslink
and slide the clevis retainer over the clevis.