GREAT PLANES Super Skybolt Instruction Manual page 16

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3. Insert the tailwheel bushing into the hole in the fuselage.
Slide the nylon retainer onto the tailwheel assembly guide
wire. Insert the assembly into the tailwheel bushing and
press the nylon retainer into the hole drilled in the rudder,
leaving 5/16" [8 mm] of the retainer exposed. Apply a few
drops of thin CA to the bushing and retainer to secure them
in place. Be sure not to get glue into the bushing or the hole
in the retainer.
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4. Position the tail gear bracket over the tailwheel assembly
and mark the position of the mounting holes. Use a 1/16"
[1.6 mm] drill bit at the marks. Thread a #2 x 3/8" [9.5 mm]
SMS screw into both holes and back it out. Add a couple drops
of thin CA to harden the holes. Then, install the bracket using
two #2 x 3/8" [1.6 mm] screws. Cut off the excess guide wire
that extends beyond the nylon retainer, leaving 1/4" [6 mm].
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5. Install a 5/32" x 1-1/4" [4 x 32 mm] axle onto each leg
of the main landing gear and secure them with 5/16-24
nylon lock nuts.
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6. Slide a 5/32" [4 mm] wheel collar, followed by a 2-3/4"
[70 mm] main wheel and another 5/32" [4 mm] wheel collar,
onto each axle. In order for the wheels to be centered within
the wheel pants, position the second wheel collar flush with
the end of the axle. Mark the axle at the middle of each wheel
collar. This can be done with a fine-tip felt-tip marker or by
tightening a 6-32 x 1/4" [6 mm] SHCS into each collar
against the axle. The 6-32 x 1/4" [6 mm] SHCS will scratch
the axle where the collar needs to be installed. Remove the
collars and file flat spots on the axles at the marks you made.
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7. Secure the wheel collars to the flat spots on the axles
using 6-32 x 1/4" [6 mm] SHCS. Install the wheel pants with
four 4-40 x 3/8" [9.5 mm] Phillips machine screws. Use
thread-locking compound on all of these screws.
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