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Sewing machine motor

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Fishwife

Mechanical
Aug 27, 2005
1
Does anyone know how to reverse the rotation on a 115v AC sewing machine motor?
 
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Hi,

This is just a guess on my part. Others here will know 4-sure.

Sometimes there is a way to adjust where the brushes sit on the commutator. I believe you can change the direction by slightly moving the timing set by the brush location.
 
Not only adjust - move 180 el degrees. That is easiest achieved by switching polarity of armature or field. Just switch wires going to either.

Gunnar Englund
 
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