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Singer Potted Motor converted to a treadle, HC or motor TUTORIAL

Singer Potted Motor converted to a treadle, HC or motor TUTORIAL

Old 04-05-2014, 09:22 AM
  #21  
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The wheel was from a Singer 66 - the smaller one - not the big heavy wheel.
I also discovered a couple other problems. I have a Singer 201 black chrome - it doesn't have the holes to mount the belt guard. It also has a light cord hard wired in. It would have to be dealt with, too. Check the machine to be sure it will assemble before you order any parts.
Singer 15 - 4 holes - the two larger holes are for the motor - the smaller holes will accept a belt guard and older type throat plate screws.
[ATTACH=CONFIG]470177[/ATTACH]
Singer 201 - 2 big motor holes - no belt guard holes
[ATTACH=CONFIG]470178[/ATTACH]
I don't know if my other 201 has those holes or not - oops I thought I turned it....
Attached Thumbnails potted-motor-conversion-015.jpg   201-motor-mount-holes-001.jpg  

Last edited by miriam; 04-05-2014 at 09:25 AM.
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Old 04-05-2014, 01:24 PM
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Originally Posted by miriam View Post
The wheel was from a Singer 66 - the smaller one - not the big heavy wheel.
I also discovered a couple other problems. I have a Singer 201 black chrome - it doesn't have the holes to mount the belt guard. It also has a light cord hard wired in. It would have to be dealt with, too. Check the machine to be sure it will assemble before you order any parts.
Singer 15 - 4 holes - the two larger holes are for the motor - the smaller holes will accept a belt guard and older type throat plate screws.

Singer 201 - 2 big motor holes - no belt guard holes

I don't know if my other 201 has those holes or not - oops I thought I turned it....
Ah HA! Thanks for jogging my memory. I actually had forgotten the 4 screw holes. Duh .... where's my sign?

Joe
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Old 04-06-2014, 02:52 AM
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The good news is I now have 2 potted motors for parts and two nice working Singer 15 HC sewing machines - of course one is better than the other. LOL.... BUT I'm not sure how to get the belt guard on a 201 unless it is tapped. DH says take it to a machine shop for that.
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Old 04-06-2014, 03:12 AM
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OH I forgot. To make the dead Singer 201 work I swapped the good motor from a Singer 15 then converted the 15 - that was the first one I did. The second was the black chrome 15. All 3 machines are happy now. For what ever reason it is easier to find a Singer 15 than a 201 around here. It is very simple to change the motors out. I have a big bunch of Singer 15s and they always seem to have wiring issues. Some have been rewired and some need either rewire or HC. HA HA it may boil down to whether or not they have throat plate screws that will hold the belt guard... or if the motor is not falling apart inside or what ever whim...
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Old 04-06-2014, 04:26 AM
  #25  
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Originally Posted by miriam View Post
The wheel was from a Singer 66 - the smaller one - not the big heavy wheel....
Thanks Miriam. If it came off of a Singer 66, it must be a 9-spoke. I donít think they ever put a 6-spoke balance wheel on the model 66.

The reason that I asked, is because the 6-spoke wheels that Iíve come up with all seemed to have a deeper hub than the 9-spoke. I think that my 6-spoke wheels have all come from model 27 machines.

Iíve not ever converted a potted motor machine (201-2 or 15-91) to handcrank, and I wondered if the collars on them would require the deeper hub for the Stop Motion Washer to fit correctly. Apparently not.

Iím getting overrun with 15-91s (theyíre very common here - I have 10 and have turned down others), nearly all of them need re-wired, and I might want to begin converting some to hand or treadle use.

CD in Oklahoma
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Old 04-06-2014, 03:03 PM
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Miriam,

I just checked the screw holes on my garage 201-2s and one garage 15-91. The ones in the garage/ shop are to be fixed up and sold or are to be parts machines. (yea right, if I ever get around to selling any.)
Anyway, the 15-91 that is from 1935 and the 201-2 that is from 1936 have four holes. The three 201-2s that are from 1942, 1950 and 1956 all have two holes.

Possible a QB survey could answer the question: Does the year of manufacture determines whether there are 2 or 4 holes (affecting the ease of conversion to hand crank or treadle.

Cathy
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Old 04-06-2014, 04:08 PM
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Cathy, did you test out the throat plate screws?
You can't believe how happy I was to figure that one out.

OK I opened up the second 201 -not the one with the pretty black chrome.
It has 4 holes serial number AF 002549 made in 1938
The one with 2 holes was AF 893247 (pretty black chrome) made in1941
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Old 04-06-2014, 04:42 PM
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Yes, I did check out the fit of the Singer throat plate screws. I did not test non-Singer throat plate screws. The Singer throat plate screws were not a good fit. They do go in about 1 to 1 1/2 turns, which is enough to seem right. However, not enough to tighten down on the bobbin-winder hood unless you were lucky enough to get exactly the right length. I would not trust a screw with only 1 1/2 threads engaged.
I did have one screw in my stash that fit perfectly, a 10-28 screw. Not at all common.
You should have seen the puzzled look they gave me at the local hardware store
. I will
check online for a source for the 1/2 x 10-18 screw with a flat seat.

Adding your info to mine it seems that they may have changed from four screws in the
casting to two between 06/1938 and 04/1941. Anyone have a 201 or 15 between these two dates?

Cathy



Originally Posted by miriam View Post
Cathy, did you test out the throat plate screws?
You can't believe how happy I was to figure that one out.

OK I opened up the second 201 -not the one with the pretty black chrome.
It has 4 holes serial number AF 002549 made in 1938
The one with 2 holes was AF 893247 (pretty black chrome) made in1941
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Old 04-06-2014, 04:45 PM
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My throat plate screws went in more than a couple turns. LOL
JB Weld for you Cathy.
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Old 04-06-2014, 04:53 PM
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Can you check the threads on the throat plate screws you used? Maybe they are sized 10-18.
JBWeld? No way, I say. That stuff is dangerous on a machine. I like parts to be removable.

Cathy


Originally Posted by miriam View Post
My throat plate screws went in more than a couple turns. LOL
JB Weld for you Cathy.
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