Question about Euro-Pro Shark 80 - 7133

1 Answer

Yet another stitch tension problem...

My sewing machine is either pulling the bottom thread straight and the top thread is looped, (so that it gathers when you pull the bottom thread) or the top thread is pulled taut and straight, and the bottom thread is pulled to the top, and shows ( so that it gathers when you pull the top thread).

My Brother BM-2600 did not come with instructions (some kind of mix up) or a bobbin case of any kind, so I don't even know if I need one!

I'm almost positive it is a stitch tension problem, but I don't know how to fix it, or even how to adjust the bottom tension. (Every so often it develops snarls of thread on the bottom. I think the bottom tension is too loose, but, I don't know how to fix that on my machine.)

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  • 12 more comments 
  • Vicktorianna Nov 25, 2007

    I do not have a bobbin case! Do you even read these problems before copying and pasting the same answer that I see everywhere?
    I said I didn't have a bobbin case, and no instructions. As a side note, I forgot to mention the 'tension discs' mean nothing to me.

  • Vicktorianna Dec 15, 2007

    I can sew, it's not impossible, assfuck. I do know how to use a sewing machine, FYI. I'm glad to see that you've figured out that you've been giving the wrong advice after 30 years of sewing. Maybe you should stick to a needle and thread too, if you can't even read the bloody question before popping in an innapropriate answer.

    Maybe someday you'll learn that people don't need a high-and-mighty helper.

  • Vicktorianna Dec 15, 2007

    The instruction book wasn't sent with the machine, though it was supposed to be.

    If you expect it, why do you bother answering the stupid questions? Do you have nothing better to do with your time other than bother others with answers that don't help?

    I suspect you do a lot less sewing than you attempt to make others beleive.

  • Gary Turney
    Gary Turney Mar 25, 2008

    I've got a best built sewing machine and I want to know how to put the tension spring back on.

  • Anonymous Mar 13, 2014

    both the bottom and top thread do sew

  • Anonymous Mar 14, 2014

    I know this has something to do with tension? how do you adjust the tension so the threading is good?

  • Anonymous Mar 15, 2014

    the top thread tension pulls the bobbin thread completely thru to the surface on every stitch

  • Anonymous Mar 17, 2014

    bobbin thread is not even adjusted. the bottom thread is too loose

  • Anonymous Mar 19, 2014

    Tighten top tension to stop bottom loops and users material or gathers

  • Anonymous Mar 19, 2014

    Top thread is tight and gathers material like it has elastic n t

  • Anonymous Mar 23, 2014

    show me different parts so that i can explain my problem

  • Anonymous Mar 28, 2014

    loops on bottom side

  • Anonymous Mar 28, 2014

    bottom trhead not being pulled up

  • Anonymous Mar 30, 2014

    Top thread pulls strait out when doing patchwork



1 Answer

Thank you, thank you! I just tightened the screw on my bobbin case and that instantly fixed my thread tension problem. How on earth are you supposed to know about the little screw?! I thank you so much for the tip!

Posted on Dec 14, 2007


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For free motion quilting, the tension should be adjusted so that the bobbin thread does not show on the top of the fabric, however, it should not lay in a straight line like it sounds like it may appear currently. What you are currently producing is a gathering stitch where the bobbin thread can be easily pulled.


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I have a singer 7258 that I can not get the tension to loosen up on. The top stitch is straight across and adjusting dial doesn't help.


Adjust the tension

Load your sewing machine with one color on top, threaded through the needle. Load the second color thread into the bobbin and thread.

Fold the scrap fabric in half, and sew a straight stitch at least 2 inches long. Look closely at the seam. If you see loops of the bottom color thread on top of the fabric, proceed to Step 3. If you see loops of the top color thread on the bottom of the fabric, proceed to step 4.

Loosen the top tension. Since the top tension is so tight, it is pulling the bottom thread up through the fabric. Loosen the top tension by turning the numbered knob on the front of the sewing machine counterclockwise by one number.

Tighten the top tension. Since the top tension is too loose, the bottom thread is pulling the top thread down through the fabric. Tighten the top tension by turning the numbered knob on the front of the sewing machine clockwise by one number.

Sew a straight stitch 3 inches in length. Check the stitching. It is perfect if the threads meet in the middle, and you can only see the top thread on top and the bottom thread on bottom. If it still needs adjusting, go back to step 2 to repeat the needed steps.

Using two different colored threads makes it easier for you to see which thread is being pulled.

Always use proper precautions when working with electrical machines.

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