Jet motor frame number - Page 2 - Woodworking Talk - Woodworkers Forum
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post #21 of 23 Old 05-25-2019, 12:45 PM Thread Starter
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Originally Posted by Mycrossover View Post
I am looking on my phone so I may not see the details well enough but in your motor damage photo I only see broken lacing cord. Windings are laced with cord and varnished. In time the cords often fall apart but the varnish and motor body hold things in place. I have a motor in that condition that has worked for years.

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Good thought, I need to re-exam that. Maybe it is just the starter that is bad. If that is the case, I could end up with a new table saw thanks to my wonderful wife.
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post #22 of 23 Old 06-02-2019, 10:49 AM Thread Starter
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Originally Posted by Mycrossover View Post
I am looking on my phone so I may not see the details well enough but in your motor damage photo I only see broken lacing cord. Windings are laced with cord and varnished. In time the cords often fall apart but the varnish and motor body hold things in place. I have a motor in that condition that has worked for years.

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OH, WOW!!! I sure wish you had posted sooner :) or that I had inspected the motor more closely. I just took the word of the motor shop that said the motor needed to be rewired.

After seeing your post, I inspected the motor and saw it was just the lacing cord that was damaged, I then watched several videos about testing a 220 volt motor and testing the starter switch. All of the measurements of the motor tested well, but not so with the starter switch.

The "points" of the starter switch were burned so I filed them and after finding out how the starter switch was supposed to work (points closed at first and then when the motor starts to get up to speed the points open) I discovered that mine stayed closed. I gently bent them a little to make them open and tested the motor. It worked.

Just to be safe I purchased a new starter switch. The motor now seems to work perfectly.

Thanks to my wife, I now have multiple table saws. I just wish I had enough room to operate both. I also think I'll use a different motor shop in the future.
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post #23 of 23 Old 06-02-2019, 02:18 PM
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Glad you got it fixed and a new saw to boot, your wife sounds like mine, we are both lucky men


As far as a frame number the Jet motor is very likely a metric motor so it didn't have a NEMA frame


I too didn't see any real damage to the windings, when they let out the magic smoke there is black residue where the smoke came from

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