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Elizabeth Thomas Posted on Jul 01, 2007

Sudden knotting under fabric

Suddenly there seems to be great loose needle tension -- the thread is knotting under the fabric and very little bobbin thread is being pulled out.... tried adjusting the needle tension practically every number

  • 5 more comments 
  • Anonymous Mar 12, 2014

    The needle thread is forming loops on the bottom of the fabric the the tension is set to the maximum. The bobbin thread is the same as the needle thread. I have removed, cleaned and lubricated the hook, cleaned under the needle plate, rethreaded the machine numerous times, changed needles, and tried several fabrics for testing. What am I overlooking? Please help.

  • Anonymous Mar 12, 2014

    The thread under the curtain fabric, keeps getting caught & jamming, how do I adjust the knobs to fix this?

  • Anonymous Mar 20, 2014

    bottom thread is too loose. How di I adjust tension to fix it?

  • Anonymous Mar 25, 2014

    even with a stabilizer

  • Anonymous Mar 26, 2014

    I've tried smaller ball needle, adjusted tension, stitches hold on area of fabric where there are not dotted flecks, but not on the flecked area

  • Anonymous Mar 26, 2014

    How do I adjust thread tension on an old Necchi 539 model? It skips threads and I can't get it set correctly? Would it help to have a ballpoint needle? The fabric is rather thin and slippery.....

  • Anonymous Mar 30, 2014

    using guterman thread. Needle thread also seems to loop right above needle eye.
    to loop

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  • Posted on Oct 29, 2007
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I have an Elna 2005 machine and had a similar but opposite problem whereby the tension up top was too tight - thread wouldn't pull smoothly. I found adjusting the feed dog lever slightly helped the stitches a lot, even though the needle tension up top is no better. Hope that helps! :-s

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0helpful
1answer

Bobbin thread make knots under material, please help. Have no manual

Knotting occurs when your top thread and bottom thread are not properly contacted or do not interact correctly. Whenever knotting happens, you will notice that thread will bunch underneath the fabric. You can try re-threading the upper part of your sewing machine, making sure the thread is passing through every single thread guide on its way to the needle. If you find yourself constantly adjusting the tension of your bobbin thread, check the bobbin itself. Plastic bobbins especially can wear, causing them to grow loose within the bobbin housing and making it difficult to maintain correct tension. Try switching to a new metal bobbin and see if that resolves your issue.
0helpful
2answers

Bobbin thread is jamming machine

it indicates that you have a situation called " bird nesting" and that is a result of the needle thread tension being too loose
needle tension should be tight so that when you pull the thread to thread the needle you have to exert a bit of effort to pull the thread through the tension plates
you can adjust up or down from that feeling
thread thickness affects the tension and needle eye size also affects the tension as a small eye on large thread makes the thread movement hard indicating less tension or a big eye on a small thread affects the tension as the thread slips easily and needs more tension to pull the bobbin thread up to the centre of the material being sewn
0helpful
1answer

My Pfaff Expression 2034 sewing machine is suddenly making an almighty mangled mess at the bottom - it doesn't matter how I re-set the tensions. What can be the problem?

Be sure to use a brand new needle.

Remove the upper thread and bobbin. Reinstall the bobbin making sure it is turning the correct direction and threaded properly in the bobbin case.

RAISE the presser foot and rethread the top thread. Confirm the thread pathway is correct.

Most often, knots (thread nests) occur under the fabric because the machine is misthreaded or the thread is not seated completely in the tension disk.

Sewing Machine Thread Bunching Up Here Why

What causes Bird Nests Superior Threads

...
0helpful
3answers

Loose bobbin tension

the bobbin tension is set by that small spring plate that you pull the thread under after you put the bobbin back in the carrier / holder
a very small turn of that screw makes a big difference ob the tension unlike the needle thread tension
mostly the problem ( you never bothered to mention the symptom ) is bird nesting under the fabric which is the needle thread tension not tight enough
0helpful
2answers

Cant get my bobbin in right position it keeps knotting up on inside of fabric

Top thread problem, Not enough tension on top=loops on the bottom of the fabric; too little tension on the bottom = loops on top of the fabric. Yes, I know it seems backwards. See: http://www.picturetrail.com/sfx/album/view/22521551
Dollars to donut holes, you either threaded the top of the machine with the presser foot down (it has to be UP to let the thread into the top tension), or you're trying to sew with the presser foot still up (which is an issue common to people trying to sew bulky seams).

Take the thread off the top of the machine, take out the bobbin case and give the machine a cleaning, rethread the machine, fetch up the bobbin thread and hold the bobbin and top thread ends together under and behind the presser foot for the first 2-3 stitches of each seam.
0helpful
1answer

Needle thread knots up under fabric.

I have the same problem but i have not watched it. I does not seem that anyone wants to help us here, I am going to other sites until i find someone knowledgeable. apparently we are the smartest here at the moment ;)
0helpful
1answer

I have a Toyota RS2000 sewing machine. The thread has suddenly started breaking, and I am getting big bundles of thread under the fabric. What is wrong please?

try a top thread tension of 4

change to a new needle

clean under the needle plate & in bobbin area for lint or loose threads

also rethread machine top thread & bobbin just incase thread is catching somewhere

make sure the thread doesn't come off the thread take up lever

check to see if there are any burrs on the needle plate or the bobbin
0helpful
1answer

Husqvarna Vicking - The bobbin thread is knotting

Check that it is threaded correctly (both top and bottom) making sure that the upper thread is in the takeup lever. Watch the needle as you slowly turn the handwheel counter clockwise (toward you) and the needle point touches the fabric (make sure presser foot is down). Is the thread still relatively taunt? If it is loose, the upper thread tension unit does not have enough tension. Check the areas where the thread goes and make sure you remove any loose threads or fluff which could be inhibiting the tension discs from closing over the thread. If the tension unit still is not tightening enough, the tension unit may need to be replaced or the circuit board replaced. If everything is ok in the upper thread area, now look at the bobbin area. With no fabric, watch as the needle enters the bobbin area. Does it go down and the upper thread catch the bobbin thread and pulls it to the surface? Check for anything preventing the bobbin thread from being pulled up to the surface through the needle plate. If you have still not been able to resolve the problem suggest you take it to an authorized husqvarna viking dealer for service. You can locate a dealer near you by visiting the husqvarna viking website and clicking on the Dealer link on the left-hand side of the page - http://www.husqvarnaviking.com

Good luck.
2helpful
2answers

Bobbin continues to pose problem - knotting thread underside of fabric,

In 99% of all problems with "bird's nesting" or "knotting" it is an issue of the thread coming out of the take up lever (at threading guide #3) (from the spool; through the first thread guide at #1 down to #2 and up to # 3) when the thread comes out of the take up lever, the machine can not regulate the thread and it floods the machien with thread and wraps itself around the bobbin case. OR! Your tension is too loose. Raise it. Your machine should preform perfect at tension #4 unless you are using speciality threads or fabrics.

ALWAYS be in the habit of threading your machine with presser foot up so that while threading between paths 1 and 2 you are certain to have the thread pass throught the tension disks.

This will happen on a $50.00 machine or a $5,000 machine. The thread needs to be regulated.

USE GOOD THREAD!

Thanks,

Bonnie
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