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Thread: My bobbin winding spindle won't turn on 15-91

  1. #1
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    My bobbin winding spindle won't turn on 15-91

    I was winding monofilament thread on my bobbin and now I have a problem. I think some of the thread got stuck inside my bobbin winding spindle/shaft. Is that possible?? It turns really hard and I can't get it freed up. I have tried oiling with sewing machine oil, Tri-Flow, and WD-40. Even letting it sit overnight (many nights) so the oil would soak in. It moves a little easier, but is too stuck to wind a bobbin. I didn't have a problem until I used the monofilament thread. Can the spindle be taken out and cleaned?

  2. #2
    Super Member
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    Oh, I can see how that would quickly become a problem!

    Can the sewing machine outer casing be removed by unscrewing it? If so, that might allow you to get at the monofilament thread and unwind it. However, if the sewing machine is computerized, you have to be extremely careful with the cables and computer boards when you take the shell off.

    Just had a thought - I wonder if you could use a fine crochet hook to catch the thread and pull it out that way?

    If you have another machine that uses the same size bobbins, you can wind them on that machine. That's a bit of a pain, but if nothing else is wrong with the sewing machine it's a good way to get around the problem.

    Good luck!

  3. #3
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    It is a vintage 15-91 Singer. I can't see any thread, but can't figure out how to take the bobbin spindle apart to check of any thread is inside.

  4. #4
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    Sep 2013
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    Mistake #1 was attempting to use mono thread in a bobbin. Not a good idea. I was told to never do that.
    Any decent repair person will be able to clear that for you.

  5. #5
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    If it got stuck and there was any friction - it could easily melt the mono-filiment so it's not the same as just pulling out a stuck thread.

    Products that could disolve the plastic could damage the finish on the machine, so you may want to remove the bobbin winding assembly before trying them. Possibly carb cleaner, but that will damage the finish. And you would need to get the chlorinated type, the non-chlorinated product will not. DH is racking his brain - stuff he knows would work is only available if you have a license to handle it as it is dangerous to your health to use.

    And one more option - buy one off eBay and replace it. Probably cheaper than taking it to a shop.
    Last edited by Macybaby; 11-03-2013 at 02:23 PM.

  6. #6
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    I bet what little friction there was, did melt the thread inside. Lesson learned...no more mono thread in the bobbin on my vintage machines! I will look what I can find on eBay for repairs. Thanks everyone!

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