Top Flite TOPA0712 - Manual (Page 26)

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14. Using a high speed rotary tool remove the center
from the dummy engine.
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15. Carefully cut out the area between the cylinders
as shown. Only cut openings in the top half of the
dummy engine.
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16. Place the dummy engine in front of the engine.
Using the engine as your guide, make reference marks
on the dummy engine where the engine cylinder head
is and cut away that area from the dummy engine.
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17. Drill 1/8" [3mm] holes in the dummy engine for the
pushrod tubes. Slide the aluminum tubes into the holes.
Drill a 1/16" [1.6mm] hole in the top of each cylinder
and at the base of the cylinder. Install a red wire into
each of the cylinders, cutting each wire from the 18"
[450mm] length wire. Apply Shoe Goo or silicone glue
to each of the tubes and wires on the back side of the
dummy engine to secure them in place.
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18. The plywood plate shown is the baffl e to secure
the dummy engine to the cowl.