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Old 04-11-2014, 11:44 PM   #5 (permalink)
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Join Date: Jul 2006
Location: Usually at my desk.

Chuck up the cup seal with the seal facing out in your 1/4" or 1/2" drill. Spin the drill up to about 1/4 speed and hold a piece of 400 grit wet and dry sandpaper up to the seal for a few seconds. It will sand out the nick in the seal surface and you can reuse that cup seal right away.
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