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E-flite Habu 32 EDF ARF Assembly Manual
10. Use a pin vise and 5/64-inch (2mm) drill bit
to drill the four holes for the fan mounting screws.
Make sure to drill the holes against the tabs of the
housing so the fan does not slide forward or aft in
the fuselage.
You can also mount the pin vise in a drill so
it can reach down inside the fuselage saving
some time when drilling the holes.
11. Use a #1 Phillips screwdriver to thread a 3mm
x 10mm self-tapping screw into the four holes for
mounting the fan unit.
12. Place 2–3 drops of thin CA in each hole to
harden the surrounding wood. This hardens the
wood, making the screws more secure.
13. Secure the fan unit in the fuselage using four
3mm x 10mm self-tapping screws. Tighten the
screws using a #1 Phillips screwdriver.
14. Install the elevator servo horn and pushrod
support if it was moved to install the fan housing in
the fuselage. The tape can also be removed from the
bottom of the fan housing at this time.