Faced with possibly scrapping the machine or cleaning out with contact cleaner and a light spray of oil to lubricate the tail bearing, it was worth a try.
I used to work with subsea motors with 100Hp from 3300Vac which are oil filled.
It survived the UQ, so I can hold off getting a replacement.
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An old 221 would be fine. They were built when things were made to last and be repairable.
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