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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 04-06-2014, 04:55 PM
  #31  
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kidding about JB weld. I have no clue what the 10-18 screws mean. They are just screws. It went on a Singer 15 not a 201. I'm not sure I want to take it off - I put them on pretty tight.
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Old 04-06-2014, 05:08 PM
  #32  
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Miriam,

The 1/2 x 10-28 means 1/2 inch length (of threads), size 10 diameter (at the threads) and 28 threads per inch.

The 10-28 screw fit both my 15-91 and the 201-2.

Cathy


Originally Posted by miriam View Post
kidding about JB weld. I have no clue what the 10-18 screws mean. They are just screws. It went on a Singer 15 not a 201. I'm not sure I want to take it off - I put them on pretty tight.
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Old 04-06-2014, 05:27 PM
  #33  
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Ok here is a crappy pic of the two kinds of throat plate screws. The one on the left was the same length and held fine - the one on the right did not hold. [ATTACH=CONFIG]470472[/ATTACH] It may be that not only do the screws vary but the belt guards may vary as well.
Attached Thumbnails belt-gurad-screws-001.jpg  
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Old 04-07-2014, 09:35 AM
  #34  
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Miriam,

I'll check my bobbin winder hoods/ beltguards and see if there are differences.

Cathy

Originally Posted by miriam View Post
Ok here is a crappy pic of the two kinds of throat plate screws. The one on the left was the same length and held fine - the one on the right did not hold. [ATTACH=CONFIG]470472[/ATTACH] It may be that not only do the screws vary but the belt guards may vary as well.
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Old 04-08-2014, 08:56 AM
  #35  
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Cathy, I worked on another Singer 15 - I pulled it's half dead potted motor this morning - there is no way the throat plate screw goes in that one - I don't know if it has something crudding the hole or if it is a different thread pattern. It goes about a half turn- go figure.
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Old 04-08-2014, 11:53 AM
  #36  
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Murphy's law strikes again! VBG

Cathy


Originally Posted by miriam View Post
Cathy, I worked on another Singer 15 - I pulled it's half dead potted motor this morning - there is no way the throat plate screw goes in that one - I don't know if it has something crudding the hole or if it is a different thread pattern. It goes about a half turn- go figure.
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Old 04-08-2014, 11:54 AM
  #37  
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Do you have thread/ tap gauges to check the thread size in that hole?
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Old 04-08-2014, 01:49 PM
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Originally Posted by Mizkaki View Post
Do you have thread/ tap gauges to check the thread size in that hole?
If I do I don't know what they look like or how to use them... DH says we have some kind of tools to tap - inherited with the house.
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Old 04-08-2014, 02:17 PM
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gunsmithing suppliers are a good source for some "non-standard" screws with slots and undercut heafd. Are you sure those are #10? (OD about .192) for some reason I was thinking needle plate screws were smaller.
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Old 04-08-2014, 02:33 PM
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Well they fit the hole but some don't thread in very far.
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