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Re: Generator

To: Larry Swift <mgtd51@adelphia.net>
Subject: Re: Generator
From: Bill Putnam <bputnam@powercom.net>
Date: Wed, 21 Jul 2004 11:10:55 -0500
At Wednesday, 21 July 2004, Larry Swift <mgtd51@adelphia.net> wrote:

>The bearing in the face plate on my generator is deteriorated and 
needs 
>to be replaced.  Unfortunately, the inner race seems to have annealed 
to 
>the armature shaft - or is just a very tight fit.  I have soaked 
it with 
>penetrating oil and whacked the end of the shaft with a large hammer, 
>with the nut on the shaft, to break it apart.  But no luck.  Any 
advice 
>as I don't want to break anything and generators are hard to find and 
>expensive..
>
>Larry Swift
>
>51 mgtd

Dear Larry,

Annealing is a process where a metal is softened through heating 
and gradual cooling.  Is this what you mean?

Have you tried a gear puller?

For a very stubborn bearing, the outer race can be cracked and broken 
apart with a hammer and vise.  Grind the inner race down until it 
is thin in two places 180 degrees from each other and then crack 
the inner race with a cold chisel.

Take care not to bend the shaft or damage the windings.

Bill Putnam

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