Thread: Pinion Removal
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Old 05-26-2010, 07:24 PM   #4
Tom Endy
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Join Date: May 2010
Location: Southern California
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Default Re: Pinion Removal

My method is to place the drive shaft in the pipe grabbers of my vice. Remove the cotter pin and back off the nut 1\8" (don't remove it completely). I slide a piece of metal about 1\2" thick with a hole bored through it slightly larger than the drive shaft over the drive shaft and up against the pinion sleeve. I have a flywheel puller obtained from Sears years ago that was designed to pull flywheels off lawn mower engines. Put the point end of the puller in the detent in the end of the drive shaft. Hook the two arms around the piece of metal. Tighten the puller untill it is violin string tight and smack the end of it with a hefty hammer. If the pinion does not break loose, tighten it some more and repeat the process. It usually takes no more than four repeats. When the pinion breaks loose the puller will fall on the bench. The nut still in place on the end of the drive shaft will prevent the pinion from flying across the shop. Works every time.
Tom Endy
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