crank shaft

compressor cranck shaft is effected. what should be the resion's.

woow big fellow,
not quite got the gist of the problem
any more information please?
is it belt driven ?
or is it inline with the drive motor?

hi whats happen to the crank and which make and model of compressor is it, as sedgy said we need more info

its probably dizzy,does it remain in one spot when motor is off