Question about PfaFF Creative 7570

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Thread bunching underneath fabric as I sew.

I have tried to adjust the bobbin tension to no avail. The machine was sewing just fine then started to bunch underneath. The lower tension is obviously the problem. I re-threaded, cleaned and changed the needle. I hadn't used the machine often when this started to occur. The last thing I sewed on it was polar fleece but I was always careful to clean the machine after use. I haven't been able to use this Pfaff for years. I really need my machine back. I am hours from the nearest Pfaff dealer and as a single Mum I am too broke to pay for the service/repairs. If anyone has any suggestions, for home repair, I would appreciate them.

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  • criket Nov 30, 2008

    our machine has just been serviced and was even given a sample of different setting used. we tried sewing and still bunching!!!

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1 Answer

You may need to take off the housing that covers the whole dog mechanism. You will need a screwdriver to do this. Blow out the area around the tension gears and dogs, check for loose or disconnedted parts, and re-oil the gears. Fleece fuzz usually collects where you can't see it. This was the problem with my machine that had the same symptom.

Posted on Jun 03, 2008

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Hi, my thread gets caught and pulls the materal into the foot and i can not sew due to the jamming and the thread get all bunched up by the bobbin


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As for the thread getting bunched up in the bobbin - this is most likely because your bobbin is the wrong size for the machine, or that you did not thread the bobbin properly. Try re-threading, this time making sure you pull the thread into the bobbin container tightly. This should stop the bobbin from jumping around the container and spitting thread.

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Sewing a bunch of thread from the bottom, this stops the machine from actually sewing


Yes, it does. There are a couple of reasons the bobbin thread could be bunching up on the underside of the fabric. It could simply be that the machine needs cleaning. Take the bobbin assembly out, brush all the old lint out as best you can, reoil the machine once it's all clean, and make sure there aren't any little bits of thread caught in the bobbin assembly. Rethread the machine (carefully) and change the needle. This solves the problem usually--especially if the machine was sewing along fine and the problem develops suddenly. '
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Another thing to reminder: use the appropriate thread and needle for the fabric you're sewing.
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