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Hello all,
here is my shimming technique, can you guys comment on it and tell me if it's any good?
Recently I added torque ups on my Aug.
So what I did is
1.take the mechbox apart, remove everything.
2.put on the metal bushings.
3.put on the torque-ups with no shim, close the gearbox.
(no screw, only the metal plate on top)
4.pinch each gear between my thumb and index ( on the exterior of the bushings then) and move it from side to side to have an idea of how much it moves - I begin with the sector gear.
5.take the mechbox apart and add shims:
large diameter for shim-to-bushing contact, small diameter for shim-to-gear contact.
I add thickness one side at a time, trying to:
-keep the sector gear centered
-keep the spur gear aligned with bevel and sector gears
(this usally means as low as possible)
-keep the bevel gear centered and rotating easily.
(this usually means thin shims but I guess it depends of the gear measurements)
close the box - check that it seals properly.
tell me!
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