Question about SINGER 7470 Sewing Machine

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I have a Singer confidence 7470 and when i sew something the string on the bottom part of the material gathers....i tried playing with the tension adjustment but it didnt work Your help would be greatly appreciated

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First, make sure you have the bobbin placed correctly in the bobbin case. There should be a diagram showing the correct placement and thread path. Your upper tension should be set at "3." Then be sure the needle is inserted correctly...the groove should be toward the front of the machine. And just to be sure, recheck the upper threading. Sometimes one missed little thread guide will cause the problem you're describing. I hope this helps and that you can get your machine running again!

Posted on Nov 11, 2010

  • cabry1 Nov 11, 2010

    Thanks Lyprice for your reply...unfortunately my problem is not solved yet. Problem is that the string on the bottom part is still loose and gathering ...the upper tension you talk about is the knob up the top, right? coz i set that to 3 and re-threaded and checked the bobbin bobbin case, but still didnt work.

    This is my mums sewing machine and i am trying to fix it for her. Do you think there is another problem with it?

  • Linda Price Nov 12, 2010

    Yes, there could be other problems. The bobbin tension might be too loose.Generally you'll find a tiny screw in the bobbin case and this can be turned ever so slightly to tighten the bobbin thread tension. Did you check to be sure the needle is inserted with the long grooved side facing toward the front of the machine? If none of these suggestions make it run correctly, you probably need to take it to a professional. One last check, however, is to be certain the bobbin thread was wound tightly. If it is a "bad fill" and the threads are loose this could cause the bobbin thread to be loose. Let me know if I can help any further,



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