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Singer Concerto sewing machine model 9217 - bobbin thread problem

Problem with thread bunching underneath the bobbin case. Case appears damaged and I have ordered a new one. But what if this does not solve the problem. Are there any adjustments i will need to make?

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  • Tracy475 Feb 06, 2008

    Still does not seem to be working properly. Anyone got any ideas of adjustments I can make to resolve this problem?

  • ryanmcgavin Dec 14, 2008

    I have taken apart the bobbin case and put it back together again and again. The thread seems to wind around the bobbin hook and then get entangled in the rest of the machinery below. I know this has to be a simple fix. I just don't know how to fix it! I can stich about stiches then the needle is jammed and there is bunching of bobbin thread stuck in the teeth or whatever that is called directly under the fabric.

  • Anonymous Mar 15, 2014

    Is this a problem I can solve myself or does it need repair.

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This problem is common in sewing machines with plastic bobbin cases. The new case you've ordered will most likely solve your problems. I might suggest checking the point of the rotating hook, to be sure it is burr free.

Posted on Feb 01, 2008

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Posted on Jan 02, 2017

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When I sew I have thread bunching up underneath the fabric, I've changed needle size, thread, bobbins and cleaned out around the bobbin holder. I'm frustrated and out of ideas.


Susan--
Easy peasy, once you know the problem and how to fix it. It's called "bird nesting" or "thread nesting" or what I refer to as thread "barfs."

Install a brand new needle.
Remove all the thread from the machine.
**ALWAYS RAISE** the presser foot and rethread the top thread.
Verify the top thread path is correct.
Install and thread the bobbin case, make sure it is correct.
Set the top tension to the midway point.

Now retest your machine. Birds nests gone? You may need to tweak the top tension because the factory standard changes due to age and use.

FWIW, problems appearing under the fabric are an issue of the top thread. Thread problems appearing on top of the fabric is a bobbin issue.

What causes Bird Nests Superior Threads

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

WHY IS THREAD BUNCHING UNDERNEATH MY FABRIC

Mar 25, 2017 | Sewing Machines

1 Answer

My tenshone is out of order.


Try these suggestions
1. Change the needle--use a needle that's for the fabric being sewed
2. Rethread the machine--top --make sure to use every thread guide
3. try a different bobbin--make sure bobbin is inserted correctly into the bobbin case
& make sure the bobbin is turned the correct way in the bobbin case
4. make sure the thread has not come off the thread take up lever
5. Clean under the needle plate & in the bobbin area for lint or threads
6. Check to make sure the bobbin is not warped or damaged
7. Make sure the bobbin case is correctly in the machine,, if it's a top loading bobbin you may need to have the bobbin case checked to see if it's damaged or see if the hook and hook race has a problem
8. Make sure the top thread tension is on the correct setting for the fabric being sewed.
9.Also could be a timing problem, and the machine would need to be checked.

Dec 03, 2014 | Sewing Machines

1 Answer

STRING IS BUNCHING UP. NOT FEEDING RIGHT MAYBE


By string, I assume you meant thread ? Is it bunching up underneath the fabric you are sewing, or on top ?

If it bunches up underneath the fabric, the upper thread tension may not be right or the mechanism may be worn or need replacing. If it bunches up on top, thread guides may be catching or the needle may be damaged.

First thing, try a new needle. Damaged or dull needles can cause problems. Also try a new spool of thread, because sometimes a thread spool might have been damaged or is just bad quality. Some machines will not work well with very cheap, economy threads, so if you're using cheap thread, get better thread to try also.

Test stitch after each change you make to see if it's helped. The upper thread tension adjustment should work at any setting, but for normal sewing, should be at a middle setting.

If thread snarls up on top of the fabric, unthread the machine and check every thread guide for wear or nicks that might be catching thread.. needles can cause this also. May need to replace a guide if it's damaged, or perhaps use a file, emery cloth or sandpaper to smooth a rough spot. Rethread the machine with a new spool, set the upper tension to a medium level and try again.

If the thread bunches under the fabric, it's often the upper tension that's not right. Thorough cleaning of lint from the bobbin area should be done also, even a tiny bit of lint can be a problem in some machines. Try rethreading, try a new spool of thread, and a new needle.

If no setting on the upper tension produces a balanced, even stitch without bunching, the mechanism of the tension adjuster may be worn and need either professional adjustment or replacement.

Very rarely, you may find the bobbin tension might also need adjusting. Take out the bobbin case, you'll see the tension is controlled by a small spring which has a tiny slot screw on it. Mark the exact orientation of the screw slot now, [ marker pen or tape] so you can put it back where it was if need be. If you have to to a adjust it, you should move that screw only a tiny fraction of a turn at a time.

Check bobbin tension - pull out a foot of thread and hold the end of it , with the bobbin case dangling. Shake the case up/down like a child's toy YO YO. If the bobbin moves along in reasonably even increments with each jerk, it's likely ok. Or you can pull it along and see how hard it is to pull. If the bobbin case won't move or is hard to slide, it is too tight. If it slides on the thread freely it is too loose.

Usually. clockwise turns tightens the tension, but check to be sure. One tiny adjustment at a time, it gets a bit tedious. You have to put the bobbin back in and try a few stitches after each adjustment to see if the bunching is getting any better. If it makes no change or makes it worse, put the screw back to the original position.

If you are handy and can find a repair manual for the machine, you may be able to adjust the upper tension mechanism yourself, it should not need special tools. Often for older machines the hardest part is finding another part to replace the damaged one.

Sep 29, 2014 | Brother Sewing Machines

1 Answer

Bobbin case


Try these suggestions


1. Change the needle--use a needle that's for the fabric being sewed


2. Rethread the machine--top --make sure to use every thread guide


3. try a different bobbin--make sure bobbin is inserted correctly into the bobbin case, & make sure the bobbin is turned the correct way in the bobbin case


4. make sure the thread has not come off the thread take up lever


5. Clean under the needle plate & in the bobbin area for lint or threads


6. Check to make sure the bobbin is not warped or damaged


7. Make sure the bobbin case is correctly in the machine,, if it's a top loading bobbin you may need to have the bobbin case checked to see if it's damaged or see if the hook and hook race has a problem


8. Also could be a timing problem, and the machine would need to be checked.

Sep 28, 2013 | Janome Sewing Machines

1 Answer

Brother pe180d thread bunching up underneath


try changing the needle
rethread the machine top and bobbin
make sure the bobbin is inserted correctly into the bobbin case
and that the bobbin is turned the right way
make sure the thread has not come off the thread take up lever
if the machine continues to see bunch thread underneath then the
machine may need to be checked to see if some part has become
damaged or out of alignment

Dec 02, 2012 | Brother Disney PE-180D Computerized Sewing...

1 Answer

I had a matt of thread around the bobbin. I took the needle plate off, removed the bobbin case, cleaned the hook area, but now it still matts up. I put the bobbin case in as illustrated, put in new


try changing the needle-- make sure it's the right one for the fabric
your sewing
make sure the top thread has not come off the thread take up lever
make sure the bobbin is not filled to full
make sure the bobbin is not damaged or warped

Sep 08, 2012 | Singer Sewing Machines

1 Answer

Babylock sewing machine, upper thread is bunching


the tension is wronge has the lower bobbin case been unwound and refilled)(check that this is threaded right as well)

Sep 05, 2009 | Sewing Machines

1 Answer

Bobbin thread tangling up


are you doing embroidery? if so turn off jump stitch cutting if possible. is the machine threaded correctly (pull needle thread out of machine and thread again with presser foot raised.

check for foreign matter in needle tension assembly. ensure there is sufficient needle thread tension.

the thread you see caught up underneath the fabric will be needle thread and indicates insufficient needle thread tension or something preventing the needle thread from being pulled up into the fabric (maybe a damaged bobbin case, or bobbin case position finger, or damaged needle plate hole).

goodluck,
scott

Jul 27, 2009 | Baby Lock Ellure

1 Answer

Thread is knotting up


You probably are in need of a new bobbin case they are plastic and oif you have broken a needle lately it may have gouged the case and the top thread is getting caught and bunching up underneath. Visit www.stevessewandvac.com you can contact them and have a bobbin case sent to you.

Mar 13, 2008 | Baby Lock Ellure

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