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Singer 3962 Thread Catching Under face plate (catching on position finger)

I was quilting and my thread kept breaking. I removed the face plate and removed lint from the bobbin case, feed dogs, and surrounding bobbin area.

There was what looked like lint in a little hole under the bobbin, but it turned out to be an inch long "wick" filled with oil when I pulled it out. I pushed it back into the hole with very sharp tipped scissors and it looks like it did before.

Now, when I try to sew, my thread keeps balling up under the face plate and it appears that the top thread is catching on a part that I believe is called a position finger (I never moved this part when I cleaned out the lint, so it shouldn't be getting in the way?) I have changed needles, fabric, and rethreaded both the top and bobbin threads several times and the top thread keeps balling up under the face plate.

Does anyone know what is going on? Do I have to take my machine in for sewing machine repair just because I cleaned out the lint?

Thanks for any help :)

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I had a problem with the thread balling up under the face plate, too.
I have a Kenmore 385 16528000. I don't know if with other brands that this will pertain to them, but this was my solution:
I had the needle in the wrong way! The top part of the needle that is inserted into the machine needs to go in with the FLAT SIDE AWAY from you. So I hope that helps somebody!!

Posted on Jul 13, 2008


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My machine keeps on breaking the thread

You don't state which thread is breaking, so will assume it is the top thread.

AVOID using old or bargain bin thread!

Remove the thread.
Install a brand new needle.
ALWAYS RAISE the presser foot and rethread from the beginning.
Verify the thread path is correct.
Set the top tension to the midway point (this may need to be tweaked for your individual machine).

If it still breaks, then the thread may be catching somewhere, perhaps on the needle plate or in the bobbin area. When a needle deflects, it will sometimes strike somewhere and cause a burr or rough spot. That rough spot will then catch the thread and cause it to break or shred.

Wrap your index finger with a fine piece of scrap fabric like chiffon, nylon knit, or silk. Then run your finger around the surface (top & bottom) of the needle plate and in the bobbin area. If the fabric catches, there is a burr. Also check the hook/shuttle as this where a lot of burrs are located. If it is a small burr, it can be smoothed with a fine emery board or emery cloth. It the burr is large, the part may need to be replaced.

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Kenmore mini ultra The top thread breaks off from needle after a few stitches. The bobbin seems to Be catching the top thread. Thank you. ??

If the top thread sews a few inches and then breaks, something is catching the top thread and holding it until it breaks. Usually, this will happen when using the old style thread cones with the slit in the edge to keep the thread from raveling off the spool. To prevent the thread from hanging up, turn the thread spool over so the slit is at the top instead of the bottom. Sometimes top thread breaks will happen if the thread becomes looped around the thread spool pin.

Remove the thread, ALWAYS RAISE the presser foot and then rethread the upper thread. Verify that the thread path is correct and that the thread has not looped around a guide.

If the thread is fraying at the needle eye, the needle/thread are not compatible. Also, the tension may be too high.

Check that the upper tension disk is clean--no gunk buildup or thread pieces stuck.

If the thread is actually breaking when it penetrates the needle plate hole, there may be a burr or nick somewhere below that is catching the upper thread. You can wrap your finger with a piece of fine fabric, like an old pair of hosier, fine knit fabric, etc. and running your finger around in the bobbin area, under the needle plate. If you get snags, then you have a burr or nick. If it is small, you can sometimes smooth it with a fine emery board. If it is a large burr, you may need to purchase a replacement part.

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I am quilting with a new needle with Aurifil thread. Every bobbin change I clean the machine. Why does the top thread keep breaking?

A couple of other things to check--

Be sure to use a a good brand needle (no bargain bin varieties)--most quilters prefer quilting, embroidery, or top-stitch needles. Check that the needle eye is compatible with the thread weight. If the thread is shredding where it goes through the eye, the thread is most likely too heavy for the needle.

Confirm the thread path is correct. When threading, be sure to ALWAYS RAISE THE PRESSER FOOT during the process. This releases the tension disks so the thread will seat properly.

Make sure the thread is not catching on a nick or burr somewhere along the path. Thread spools with the little nick in the side for securing the thread during storage are famous for catching and breaking the thread during stitching.

Check that the tension is not too tight.

Also perform a test for nicks or burrs in the bobbin area. Wrap your index finger with fine fabric, ie chiffon, old hosiery, etc. and run your finger around to see if there are any rough spots on the needle plate, hook, etc.

Aurafil thread is used by a lot of quilters, however, some machines just do better with different brands of thread. If it continues to be a problem, you might test another brand.

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Model 9117. Why won't it sew?

Remove all the thread. Raise the presser foot BEFORE threading the upper thread so it will seat properly in the tension disk. Confirm with the manual that the needle is inserted facing the correct way and verify that everything is threaded correctly. Somewhere I read to use only Singer needles in Singer machine--don't know if that's true, but...

Also appears that this machine takes a special bobbin:
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There could be a knick or burr somewhere that is catching the thread. You can test it by lightly rubbing an old pair of pantyhose on areas (under the needle plate) and see if it catches anywhere. If the knick is not bad, you can try to smooth it with a fine emery board. Otherwise, could require a replacement part.

If you can, observe the stitching mechanism while you hand-rotate the handwheel and see if you can tell where the thread is hanging up. Hopefully you will be able to see where the machine is failing to operate.


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Top thread keeps snapping on consew 230b

Top thread snapping. Do you have an idea of there it is breaking?

First I would check the needle throat plate and needle. If you have stab marks on your needle plate, examine it closely for a crack. (get out the magnifying glass or jewelers loop) I recently fixed a problem I had with an old singer that kept breaking the top thread by replacing the needle plate. The old needle plate was so damaged it had actually made a knife edge which consistently cut the thread right at that location.

Change your needle and make sure it is the proper size for your thread. Too narrow of an eye can shred the thread causing it to break.

Next, check anything along your threading process that could be catching or snagging the thread. A worn or chipped thread guide can be a real problem.

Also make sure your thread hasn't dropped down below your thread cones and wrapped around the thread spindle. This would cause extra tension that might not be readily apparent.

Good luck

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Your needle may be new, but Is needle correct size for fabric you are sewing? If so, is needle all the way up as far as it will go in needle bar shaft, flat side in back & more rounded side facing you? Stretch knits and wovens, denims, and leather do not use same needle size. Jimmy

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have you tried changing the needle?
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Make sure the top thread is not catching and causing the breakage.

Sometimes the thread unwinds too fast and catches on the spool pin and sometimes there is a rough spot on the thread spool that catches the thread.

Thread nets will help eliminate the fast unwind (pooling) - you can find them at sewing machine dealers.

If the thread spool has a rough notch that is catching the thread, smooth it with an emery board or turn the spool so the thread feeds from the opposite end.

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