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From: (no name) (no email)
Date: Fri Sep 14 2001 - 11:29:52 EDT
In a message dated 09/14/2001 3:34:36 AM Atlantic Daylight Time,
writes:
> Should I consider
> heating the coupling, a puller something like a steering wheel puller ,
> or ?????
Yes, consider both.
I would be very cautious about using a hammer but if you do, use the biggest
hammer you can get. A four pound sledge is not too big. Secure the shaft
and hit the coupling. The thing is, if you hit something with a hammer and
don't move it, you will probably move some metal around a little anyway. If
you use a hammer that doesn't apply enough force to move the object you are
striking, you will nevertheless move metal around possibly making the
situation worse, especially in the case of trying to drive a pin out of a
hole, for example.
In this situation I would try to push the shaft out of the coupling by
putting an object forward of the shaft between a plate forward of the
coupling and drawing the plate against the forward face of the coupling, with
the object pushing the shaft out. It might be possible to use the coupling
on the engine if the shaft is not too tight as the flat plate but take care
not to bend it. If the shaft still doesn't move, apply heat to the coupling
while there is strong strain on the flat plate. Use lots of heat applied
quickly to reduce the spreading of the heat to the shaft. I would use an
oxyacetylene rosebud torch. But you could get some help and use multiple
propane torches. Wrap the shaft in wet rags to keep it relatively cool.
After you get it off, buy a can of "Never Seeze" and use it. You well bless
yourself for doing so every time you take something apart later.
Good Luck.
Norm
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