Great Planes Yak-55 EP 3D ARF FlightFlex - GPMA1274 - Manual (Page 8)

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6. Test fit the ailerons to the wings. If necessary, enlarge
the precut hinge slots with a hobby knife.
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7. Glue the outermost hinge into the wing, making sure
to keep the hinge line parallel with the TE of the wing.
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8. Using the flex of the aileron to allow you to glue one
hinge in at a time, work your way inward until all four hinges
are glued in place.
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9. Use a hobby knife to clean any excess glue from
the hinges.
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10. Slide the 3mm [1/8"] carbon elevator joiner tube into
the plastic tubes on the stabilizer. Make sure it is centered.
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11. Run a small bead of hot-melt glue into the groove on
the leading edge of an elevator half. Run the glue-gun tip
back through the bead to re-melt and spread it, and press
the elevator half onto the joiner tube.
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12. Repeat the previous step with the other elevator half,
making sure to keep the elevator halves aligned with each other.
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