Cincinnati Maxim 500 Spindle Repair

Cincinnati Maxim 500 Spindle Rebuild

Possible cause of failure:
Bearings noisy from use and contamination.
50 taper worn with low spots.
Drawbar force is low.
Drive dogs have wear marks.
Grippers worn from use.
Spanner holes in drawbar nut are galled.
Spacers are not square.

Recommended action:

Clean, inspect overall dimensions.
Grind, chrome plate and finish grind the 50 taper.
Rework the spanner holes on the drawbar nut.
Replace quad set and a pair of bearings, grippers bellevilles, and orings.
Grind spacers.
Rework the drive dogs.
Adjust preload, balance, assemble and break in. Final quality control inspection.


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