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Rob45327

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Reply with quote  #1 
Hi all, I'm working on a 1938 15-91. The field core in the motor is in really rough shape.
I would like to redo the windings. Does any one have a known dead 15-91 motor? I need one to reverse engineer. I will update on progress. The motor I'm working on has exposed conductor at a spot too far back on both leads for me to access in order to splice on new leads. I don't want to tear this one apart until I know what I'm doing. It probably still works but I don't think I can put on a new power cord safely in it's current condition. Any help is appreciated.
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Miriam

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Reply with quote  #2 
I might have a dead motor.
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Rob45327

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Reply with quote  #3 
Hi Miriam, I saw your posts so I thought you might have one. Did you get your machine up and running? I felt bad for you reading your post. Similar things have happened to me when tinkering.

Rob
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OurWorkbench

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Reply with quote  #4 
I'm thinking http://vssmb.blogspot.com/2011/12/how-to-re-wire-potted-motor-part-1-wire.html might help. It has several parts, but seems pretty thorough.

Janey

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Rob45327

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Reply with quote  #5 
Hi Janey, Thanks for the link. I've already rewired some of these and it's usually no problem.
The machine I'm working on though was used heavily by a lady who made clothes for her family. The nice lady I bought it from said her mother ran it every day for hours. There's basically nothing left for me splice on a new cord in a safe way. It looks like it was rewired before at least once.
So I want to replace the windings completely. Anything I learn I will make available. It's not a business for me just a hobby. I hate to see these old machines not used and they're pretty to look at.

Rob
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Miriam

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Reply with quote  #6 
If I have a dead one it was dead on arrival. The one I maight have was in a cold barn.
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Never let a sewing machine know you are in a hurry..
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Rob45327

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Reply with quote  #7 
I wonder if I could get that motor working. You could have it back after.
Did you get that sewing machine running?
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Rob45327

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Reply with quote  #8 
 I wonder if I could get that motor working. You could have it back after. Did you get that sewing machine running?
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Miriam

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Reply with quote  #9 
I got the machine to sew. It was a lot of work. It was rusted real bad.
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Rob45327

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Reply with quote  #10 
I'm so glad you got the machine running! Would you sell the dead motor?
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Miriam

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Reply with quote  #11 
I got the machine to sew. It was a lot of work. It was rusted real bad. It is not very pretty. Old black chrome. I got the rust off but it shows through in photos. The machine sews fine though.
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Never let a sewing machine know you are in a hurry..
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