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Walt Fricke Walt Fricke is offline
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Join Date: May 2004
Location: Boulder, Colorado
Posts: 6,555
I find a chatter gun is the tool for this. An air chisel, but you find or fabricate a workpiece with a blunt end, as by welding a thick washer on the end. While pulling on the fan with one hand, hold the end of the work piece on the shaft of the alternator, axially, and chatter away. Doesn't seem to take long to vibrate the fan loose.

An alternative is a pointed end work piece, like a punch. A small dimple in the end of the shaft won't hurt anything, but a blunt end seems a better practice.
Old 05-11-2020, 05:07 PM
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