Reverse an electric motor

Reverse an electric motor

This topic has 4 replies, 3 voices, and was last updated 25 April 2010 at 08:59 by Mike Bishop.

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21 April 2010 at 20:21 #50989
Mike Bishop
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@mikebishop93339
I have recently aquired a fractional hp single phase motor for my lathe and need to reverse the direction of rotation. What is the correct way? I dont want to cross belts.
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21 April 2010 at 20:21 #15466
Mike Bishop
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@mikebishop93339
21 April 2010 at 21:00 #50990
V8Eng
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@v8eng
Apologies if you’ve already checked this: some manufacturers fixed an instruction slip in the connection box lid.
21 April 2010 at 21:23 #50991
Engine Builder
Participant
@enginebuilder
The motor should have 4 wires comming out of the inards and into the terminal block. It will have 2 seperate windings which can be identified with a multimeter. With the meter on the ohms range you will get a reading between the 2 wires comming from each winding . You need to reverse the connections to one winding only.

Edited By Engine Builder on 21/04/2010 21:47:07
25 April 2010 at 08:59 #51105
Mike Bishop
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@mikebishop93339
Many thanks Engine Builder, your info was correct and achieved the required result. Regards

Mike Bishop
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