Top Flite TOPA0705 - Manual (Page 14)

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17. Insert the axle and wheel into the landing gear.
Apply a drop of threadlocker onto the set screw; then,
tighten the set screw against the fl at spot on the axle.
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18. Install the remaining cover to the outside of
the wheel with four 2mm × 4mm Philips head screws.
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19. Repeat steps 7–18 for the left wing panel.
MOUNT THE WING NACELLES
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1. Examine the two fi berglass landing gear
nacelles and determine which goes on each wing.
Drill four 5/64" [2mm] holes through the fl ange on each
side of the nacelle as shown.
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2. Place the right nacelle over the landing gear
on the right wing. Be sure to center the nacelle to the
landing gear. Once you are satisfi ed with the location.
Drill a 1/16" [1.6 mm] hole through each of the holes
in the fl anges, into the wing surface.
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3. Insert and then remove a #2 × 3/8" [9.5mm]
screw into each of the holes in the wing. Around each
of the holes you made pierce four holes with a pin.
Apply a drop of thin CA glue into the holes, allowing
the glue to harden the threads you just made in the
balsa wing skin. Allow the glue to cure.
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4. Mount the nacelle to the wing with eight #2
× 3/8" [9.5mm] screws. In our model development we
found that the procedure of strengthening the wood
with thin CA allowed the nacelles to be held securely
by the screws. If you feel that your engine may have
excessive vibration potentially causing the screws to
back out, or would like to add extra holding strength to
the nacelles you can apply a thin bead of R/C 56 glue
to each fl ange. If you should ever need to remove the
nacelle you can slide a knife blade under the fl ange
to free the glue bond.
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5. Repeat steps 1– 4 for the left wing.