Question about Singer OVERHAULED 401 401A MULTI-STITCH HEAVY DUTY ALL METAL Sewing Machine

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My machine will sew several stiches and then the bobbin will bunch up causing the upper thread to spin around on top and wrap around in the bobbin case.

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Check you bobbin to see if it is evenly wound. That might help

Posted on Apr 08, 2014

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Fashion Mate 248. The top stitch is fine but will gather too much under the material. Wraps around the bobbin holder and tangle up into the bobbin thread. Does anybody know whats going on?


That is what is referred to as bird nesting or thread nesting. It usually results from mis-threading, the thread not being fully seated in the tension disk, or the tension set too loose. (I have a machine that does this frequently because the thread "jumps" out of the take up lever when sewing fast--instant thread mess.)

Remove the thread from the machine. ALWAYS RAISE the presser foot and rethread from the beginning. Make sure the thread path is correct. Set the upper tension to the midway point between high & low number. (You will probably need to tweak the upper tension because every machine differs over time, but the midway point is the factory standard setting.)

While you are at it, check to make sure the bobbin is loaded and threaded correctly in the bobbin case.

If you continue to have issues, you may need to take it for service.

Sewing Machine Thread Bunching Up Here Why

What causes Bird Nests Superior Threads

Birds nest under the fabric big loops of thread top side looks good...

Dec 10, 2016 | Sewing Machines

3 Answers

Thread bunches up into a knotted mess on bottom. Bobbin doesn't sit flat inside the bobbin case but spins with a tilt, lower on the left and higher on the right. Bobbin touches plastic cover plate.


Usually, thread bunching under the fabric is an upper tension issue. Be sure to ALWAYS RAISE the presser foot when threading the upper thread.

With the bobbin case operating at a tilt, there is something mechanically wrong with the machine. It may be best to take it for service.

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Aug 30, 2016 | Singer 4411 Heavy Duty Sewing Machine

1 Answer

MY THREAD GETTING WRAPPED AROUND THE BOBBING WHEN TRYING TO SEW THE TOP THREAD WRAPPING AROUND THE BOBBING CASE AND DRAGGING CAUSING THE TOP THREAD TO BREAK ?


It sounds like the lower shuttle is out of place. You should be able to take out the bobbin case and unlatch the shuttle. It will probably be in 2 pieces. Clean out the dust behind it and replace the shuttle pieces. You may have to fiddle with it a little to get them back in place. Then you can test it by manually turning the wheel. Make sure the bobbin is placed into the bobbin case and that the bobbin turns in the direction that you pull the thread.

Good luck.

Nov 11, 2014 | Brother Disney PE-180D Computerized Sewing...

1 Answer

Why does my thread keep bunching up?


That is called "thread nesting," and several things can cause it. The upper thread enters the bobbin area during sewing, catches the bobbin thread, and as the needle goes up, pulls the stitch tight. Something is catching the upper thread as it goes around. The most common reasons are the bobbin or bobbin case (or both) is improperly inserted; the bobbin is warped (roll it down a flat surface--if it wobbles, it's warped), either the case or the bobbin is not seated evenly, there is a rough spot on the bobbin case that is catching the thread, or your bobbin is loosely/badly wound. You need to rule out the possibilities step by step until you find the cause. First, review your threading procedures from start to finish, using your user's manual. Then, without fabric, turn the hand wheel by hand (ALWAYS towards you) to see if you can see it start to catch. The top thread should rotate smoothly in the bobbin area. You should be able to pin-point the cause that way.

Sep 24, 2014 | Singer 2517 Mechanical Sewing Machine

1 Answer

Bobbin bunches up


Classic burr on the hook problem would be my first guess. If the thread remains on the hook when it makes the next revolution all sorts of ugly things happen such as you described. I made a video that might help.

Nov 17, 2013 | Singer 9960 - 9960 Quantum Stylist

2 Answers

I have the Kenmore sewing machine #16231. When I was sewing the bobbin holder popped out and a bunch of thread bunched together and wrapped around the bobbin and caused bunching of thread on my fabric...


Bunching of thread is 99% a top tension problem. Make sure you thread the top thread correctly. Thread the machine with the presser lever up. Test the tension by lowering the presser lever before threading the eye of the needle, by pulling the thread with your left hand and adjusting the tension with your right hand while slowly pulling downwards. There should be no resistance when the tension dial is on zero, and you should be able to feel more resistance when you increase the tension. Ideal tension is between 3 and 5. When your top tension is correct, your machine should operate correctly. If you feel no resistance with the presser foot down and the tension dial on 5, check the tension disks for fluff or broken thread. When you lift the presser foot, the tension disks should open and you would be able to remove any cotton or fluff. Good Luck

Sep 01, 2011 | Kenmore Drop-In Bobbin 16231 Mechanical...

2 Answers

How to stop bobin thread from knotting


When loading the bobbin there is most likely not enough tension on the thread letting it overlap incorrectly. Try wrapping thread around a tensioner when filling and that should help. That way the bobbin is rolled as tight as the tension on the upper thread when sewing.

Apr 13, 2010 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

The top needle unthreads after just a few stiches. I have a Singer 2950 and am new to sewing.


Are you saying that the thread is breaking?

CAUSES of upper thread breaking

needle is in backwards
improperly threaded
tension to tight
needle bent or blunt
thread to coarse for size of needle
needle too long for machine
burr on needle
tension discs worn so that thread works in grove
neele too fine for size of thread and fabric
lint or dirt around bobbin case holder
irregular sewing speed
AND THE BIGGEST PROBLEM IS:
threads not properly pulled back under pressure foot when starting to sew
This means, Have enough of the upper and lower thread pulled to the back and hold for the first 2-3 stiches,

Do this every time and it will become second nature and you will do it automatically

Aug 28, 2009 | Singer 2950 Mechanical Sewing Machine

1 Answer

Janome Sew Mini bobbin problem


Hi, Usually wrap-ups in the bobbin area are caused by the lack of tension on the top thread. The slack arm ( shinny lever that moves up and down while sewing) has to pull the loop around the bobbin case and it does so only if the tension on the top thread is sufficient to keep it from pulling more thread of the spool.
Try this: Thread the top of the machine all the way just short of the needle eye. When the presser foot is up the thread should pull through easily. Now drop the presser foot (this closes the tension discs) and pull the tread while adjusting the upper tension control.
If everything is working correctly you should feel the drag on the thread change if not something is keeping the discs from closing.
Most Janomes aren't too difficult to remove the nose cover, usually just one screw and you can get a look at the thread path. Look for thread wrapped around the mechanism.
Sorry, no easy answer but I hope this helps.

Mar 16, 2017 | Janome Sewing Machines

1 Answer

Upper thread wraps around bobbin mechanism, while sewing


IT PROBABLY IS THREADED INCORRECTLY. GO SLOWLY BY THE DIAPHRAGM AND MAKE SURE IT IS THREADED CORRECTLY. ALSO MAKE SURE SPOOL PIN HOLDERS ARE IN PLACE THAT HELPS TO GUIDE THE THREAD CORRECTLY.

Jul 29, 2008 | Singer Inspiration 4210 Mechanical Sewing...

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