Horizon Hobby Hangar 9 Ki-43 Oscar 60cc Manuel D'utilisation page 7

14. Place a drop of light machine oil on the M6 x 55 socket head cap
screw that will function as the wheel axle.
15. Slide the M6 x 55 socket head cap screw through the wheel. Make
sure the wheel spins freely on the screw.
16. Thread the screw into the retract. Tighten the screw enough that the
wheel can spin freely, yet there isn't any excess movement of the
wheel on the screw. Once set, use an M3 x 5 setscrew and 2mm hex
wrench to tighten the setscrew. Use a drop of threadlock on both
the M6 x 55 socket head cap screw and M3 x 5 setscrew to prevent
them from vibrating loose.
17. Position the gear door mount near the wheel as close to the wheel
as possible. The fl at area will align with the bottom of the wing. Use
an M3 x 5 setscrew and 1.5mm hex wrench to secure the position of
the gear door mount.
 Do not over tighten the screws or use threadlock as it
will damage the composite material of the mounts.
18. Position the upper mount 2 3 / inches (70mm) from the lower mount.
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Ki-43 Oscar 60cc ARF
19. Use an M3 x 5 setscrew and 1.5mm hex wrench to secure the
position of the gear door mount.
 Do not over tighten the screws or use threadlock as it
will damage the composite material of the mounts.
20. Tape a piece of paper to the wing that will go over the upper mount.
Rub a pencil on the paper to reveal the locations for the mounting
holes.
21. Use a drill and 1/8-inch (3mm) drill bit to drill the holes for the lower
gear mounting holes in the gear door.
22. Attach the gear door to the mount using two M3 x 12 button head
screws and a 2mm hex wrench.
 Check the positioning of the door to make sure it is centered
in the opening and aligns with the opening near the wheel.
 Do not over tighten the screws or use threadlock as it
will damage the composite material of the mounts.
23. Use a felt-tipped pen to mark the location for the upper gear door
mounting screws on the gear door.
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