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Hobby-Fab R7 Build Instructions page 21

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Last updated: 08/13/20108
Rev. 9
The opposite side is constrained by the lock collar. In the step seven bag you will find an ACME nut plate.
Use this to push the lock collar flush against the bearing and remove any slack from the drive. Excessive
force is not needed. Simply tighten down the nut plate while holding the coupler on the other end, then
tighten the set screw. Remove the nut plate afterward.
21

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