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Thread: Juki machine thread snapping

  1. #1

    Join Date
    Apr 2010
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    I have a juki med. industrial machine. (ddl 5530) I have a problem with the upper thread snapping and breaking as soon as I accelerate speed. Any advice greatly appreciated.

    I have to add that I have tried changing thread, needles, tension, nothing is working where the machine ran perfect before.

    Donna

  2. #2
    Senior Member gailmitchell's Avatar
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    Did you see the recent video on the Superior Thread website. They talked about not just changing your needle, but usiing a topstitch needle. A great video and he explains why thread breaks. I don't have the link but just go to the superior Threads blog, and i'm sure you'll find it.

  3. #3

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    I'll look for it!

  4. #4
    Super Member Tink's Mom's Avatar
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    Have you changed threads???maybe the one you are using is not up to par...test the thread .

  5. #5

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    check for lint build up in the bobbin case and if your model takes oil, put a few drops into the oil holes. My TL98Q was doing that exact same thing. A good cleaning and oiling stopped the breakage problem.

  6. #6
    Senior Member gailmitchell's Avatar
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  7. #7
    Google Goddess craftybear's Avatar
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    good luck

  8. #8
    Power Poster BellaBoo's Avatar
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    There may be a tiny nick in one of the thread guides. Get a magnifying glass and a good light and give every thread guide from spool to needle a good look.

  9. #9
    JJs
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    Also triple check the thread path - then check it again - it's usually something really stupid like a thread wrapped around something.... I use a thread stand and you'd be amazed at how the thread can manage to tangle itself sometimes - and not be obvious about it LOL
    Then make sure the bobbin is threaded correctly -
    and theeeeeeeeen make sure you are holding your mouth right...

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