Hangar 9 T-34 Mentor 40 ARF Assembly Manual page 30

Section 8: Retract Installation
 
. .Step 19
Install.the.axle.and.secure.its.location.using.the.screw.
supplied.with.the.retracts..Remember.to.check.the.height.
of.the.gear.as.described.in.Step.14..Remove.the.excess.
wire.that.extends.past.the.axle.using.a.rotary.tool.and.cut-
off.wheel.
30
 
. .Step 20
Install.the.main.wheel.using.two.4mm.wheel.collars.and.
two.3mm.x.6mm.machine.screws..Apply.threadlocking.
compound.to.the.screws.to.prevent.them.from.loosening.
during.flight.

.Step 21
Repeat.Steps.11.though.20.for.the.remaining.
main.gear.