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Old 08-26-2006, 01:35 AM
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If that is a 1/2 horse blower motor from a furnace it may not live too long trying to start under a load.

Winches are usually considered loaded starts, as opposed to a fan , which has a minimal load when it starts. They put capacitors on mtors to start them under a load. Did you ever notice the 2 or 3 capacitors on a compressor motor? and the 1 or even none on a fan type motor?

You may be able to get that 1/2 horse motor to run if you can somehow start it with out a load.

I have an old induction start motor on my 1938 craftsman table saw. It is externally reversable by loosening up the end plate and rotating it about 15 degrees . There are marks that say CC, (counter clockwise) and CW (clockwise)

Most motors these days are reversed by swapping leads inside the junction box on the motor. I think the current flow through the fields are wired in a different order to reverse.

Later, mikey
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