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Step5. Use thin CA to glue the cover to the wing as
shown.
Step6. Use four M3 socket head self-tapping screws
to install the retract to the wing.
Step7. Use a hobby knife to remove the coverings
for retract servo on the top of the wing.
Step8. Install the retract servo to the wing as
shown. (Before connecting the pushrod to the
servo arm, adjust the length of the pushrod to
make sure the retract can move up and down
freely.)
Step9. Use four M2*6mm (0.2in) self-tapping
screws to install the retract servo cover to the
wing.
Step10. Repeat the previous steps for the
remaining retract.