Great Planes Spirit 100 ARF - GPMA1049 - Manual (Page 9)

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6. Attach the servos to the blocks using the hardware that
comes with your radio system. HINT: Drill a 1/16" [1.6mm]
pilot hole for the servo screws and strengthen the holes with
a drop of thin CA.
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7. Attach the servo lead to the extension. Fit the servo
hatch to the wing. Use the holes in the cover as a guide and
drill four 1/16" [1.6mm] holes through the plywood servo
hatch mounts.
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8. Temporarily mount the servo hatch cover to the wing
with four #2 x 3/8" [9.5mm] screws. Remove the screws and
hatch. Then, harden the holes in the wing with thin CA. Allow
the glue to dry and remount the servo hatch cover.
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9. Align the aileron control horn with the servo arm.
Glue the control horn to the aileron with a small drop of CA.
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10. Drill two 1/16" [1.6mm] holes through the aileron.
Secure the control horns with two 2-56 x 1/2" [13mm]
screws and the nylon control horn back.
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11. Screw a nylon clevis 15 turns onto each of the four
12" [305mm] pushrods. Slide a silicone retainer on each of
the nylon clevis.
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