Top Flite TOPA0965 - Manual (Page 23)

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8. Drill a 1/8" [3mm] hole into each of the crankcases
as shown.
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9. Install one of the 1/8" aluminum tubes into
each of the sets of holes. Apply a drop of glue on
the backside of the dummy engine where the tube
contacts the plastic to keep them in place.
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10. Slide the dummy engine over the engine shaft,
and then slide the cowl in place. Rotate the dummy
engine so it is properly positioned over the engine.
Attach the cowl to the fuselage with the #4 screws.
Use two sticks and two rubber bands (not included)
to hold the dummy engine in place. Loop the rubber
bands around the aluminum tubes. Then slide the
stick through the rubber bands. This will temporarily
secure the dummy engine in place.
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11. Carefully remove the cowl. From inside the
cowl, tack glue the dummy engine in place. When
you are satisfi ed with the fi t and position, mix a small
amount of 6-minute epoxy and make a fi llet of glue
inside the cowl to hold the dummy engine in place.
Allow the glue to cure.
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12. Re-install the cowl. Install your propeller and
spinner. Be sure to use thread locking compound on
the screw that holds the spinner to the back plate.