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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