Great Planes CAP 232 40 Kit - GPMA0232 - Manual (Page 35)

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8. Drill a 3/16" (11/64" or #18 for precision) hole in
the wheel pant at the mark. Back up the wheel pant mount
with a piece of scrap wood so you do not split it as the drill
goes through.
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9. Most 2-1/2" wheels are made to fit 5/32" axles, but
the 8-32 screws supplied in this kit for the axles require a
larger hole. If the wheel does not roll freely on the
8-32 x 1-1/2" SHCS "axle," enlarge the wheel hub with an
11/64" (#18 for perfection) drill.
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10. Test fit the wheel in the wheel pant using the
following procedure:
A. Install an axle in a wheel. Thread an 8-32 nut about 1/8"
onto the axle.
B. Insert the wheel in the pant with the end of the screw
inserted in the plywood wheel pant mount and the head of
the screw sticking out of the wheel pant.
Note: When you reinstall the wheel after the wheel pant
has been painted, put masking tape on the bottom of the
pant so the screw will not scratch it.
C. Use a 9/64" hex wrench to screw the axle through the
wheel and the wheel pant until the wheel goes all the way
in and the axle goes through the pant mount.
D. Adjust the tightness of the nut with hemostats or needle
nose pliers.
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11. Temporarily mount the wheel pant to the landing
gear with another 8-32 nut on the axle.
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12. Perform the same procedure to assemble and
temporarily mount the other wheel pant to the landing gear.
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13. Before painting the wheel pants, fill the seams with
putty filler such as Squadron White Putty or resin filler such
as Bondo.
® We use Bondo most of the time as it cures
quickly and is easy to sand, but usually it must be
purchased in large quantities. Squadron putty works well
but it takes overnight to dry and usually requires at least
two applications because it shrinks as it dries.
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14. After the filler cures, wet sand the wheel pants with
400-grit sandpaper to prepare them for primer.
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