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Why is my brother sewing machince lower thread tangle

Brother sewing machince is not sewing and under the materal the thread is tangle all up

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  • Brother Master
  • 7,365 Answers

Try changing the needle
try a different bobbin
make sure the bobbin is wound correctly and not over wound
make sure the bobbin is turned the right way in the bobbin case
clean under the needle plate and in the bobbin area for lint
make sure the top thread has not come off the thread take up lever

Posted on Nov 30, 2012

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Posted on Jan 02, 2017

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bargainbox
  • 1388 Answers

SOURCE: The lower (bobbin) thread on my brand new Brother tangles

Please TRY the solution BEFORE giving your considered rating.
Specific detail on bobbin case adjustment (with picture) near halfway down reply, the remainder will help you achieve a balance of top and bottom tensions.

Ensure that all is clean and free of lint and jams, this is the most likely cause....now for tension troubleshooting .......

This solution is for tension problems...if you cannot form any sort of stitch, the issue is quite different, so please let me know if you need a different problem solved.....

It is quite long, but just work through each section in order.

The "knotting up" can reveal a lot. If you have loose threads on one side or the other, the tension on the opposite side will be the culprit.

QUICK SUMMARY FIRST:
Ensure sharp new needle,
Thread guides and Bobbin are Clean & Clear of lint
Set Top Tesion to 4 ....then....
Balance Bobbin to suit.

TOP THREAD TENSION:
If the looping threads are on the underside as you sew, it is the top tension. Top tension ought to be between 4 & 6 (this variation to allow for the different weights of fabric in your projects).

IS YOUR NEEDLE SHARP ?
If you are using a needle that has seen quite a deal of work, or you suspect it may be blunt, change it for a new one !

TOP TENSION & GUIDES:
Make sure that when you thread the machine the presser foot is up so the thread goes between the discs and not to one side, top tension between 4 and 6, and that you have threaded through all the guides, including the last one, usually on the needle arm, just above the needle clamp.

It may be there is lint trapped between the discs, this will keep them slightly apart and reduce the actual tension, sometimes dramatically.

If tensions appear correct, and the thread is definitely in the channel between the discs, but still too loose and looping, try raising presser foot and remove your thread.

Now, with a 2" (50mm) wide strip piece of fabric 8 - 10" (20 - 25cm) moistened with methylated or denatured spirit, gently insert the fabric strip and clean between the discs with a see saw / to and fro action.

In the worst cases, gentle use of a needle to pick & remove the jam may be necessary, but be very gentle and make sure the tension is set at Zero and the presser foot is raised, (to disengage tension plates).... do not gouge or score the plates, they need a polished surface to work correctly.

BOBBIN TENSION:
Far less common, but if the loose threads are on the top, it is bobbin tension that is loose, it too may have lint in the spring and be giving a "false" tension.

I would not recommend fiddling with bobbin tension without good reason, it may end up with missing small screws and spring pieces, however, you can take the needle plate off to clean
the hook race area (where bobbin case sits)

...this is just good housekeeping, my wife does this every time she replaces the bobbin....

just take it out and clean the bobbin case and the fixed metal hook race with a small brush to remove lint. If there is a significant amount of lint, use a vacuum and small brush to get the worst.

Then wipe all this area with a cloth or cotton bud (Q tip) moistened (not soaked) with methylated spirit, especially if there appears to be fine dirty deposits....oil and lint combine to conspire against you.

If it seems likely that you ......really ....do .....actually .....need .....to adjust the bobbin case, first check there is no lint trapped in the metal spring where the thread is tensioned.

TOP LOADER:
Drop-in Bobbin case will look similar to this image with the tension screw in the middle of the metalwork....

4c76dc1.jpg ...the other screw at one end is holding it all together, so beware....it is not a tragedy to undo the whole lot and clean it, but very gingerly and lay the bits out in sequence and orientation, or you risk tearing your hair out !

FRONT LOADER:
....this is a bobbin case from a front loading machine and works in a very similar fashion to the top loader with drop in bobbin, again, if you dismantle it, take care so you can put it all
back properly.
165ca5c.jpg FINISHING UP
GETTING THE BALANCE RIGHT:
When you are certain there's no trapped lint in top tension or bobbin, set the top tension to 4 and the bobbin tension to a point where you just begin to feel resistance.

Try using good quality thread of contrasting colours so you can more easily spot the changes.

Set your zigzag to one width less than maximum (eg. 5 of 6 ...or... 4 of 5 etc) and sew a sample for a few inches and check the result.... adjust the bobbin tension screw very little at
a time, perhaps 1/16 of a turn.

You may find you are playing with this balance for some little while and if you are putting the needleplate on and off each time begin to think it cannot be correct to do this.....BUT....it is,
and eventually, you do get a "feel" for the correct tension and then it happens quite quickly.....as a user you won't be doing it very often unless there is lint built up (or are there small hands at work around the house !?!?!)

OTHER ISSUES:
If you live near the ocean as we do, salt air can play havoc with metalwork inside and out, so to help minimise this, keep a few small packets of dessicant (silica gel) in your machine
case....no case ? then make some sort of cover !

Same applies in any damp or humid environment, keep your machine dry and dust free.

Budget for a proper full service every couple of years (more often if heavily used) and if you don't use your machine for a few years, be aware that old oil will dry out and combining with
dust and form a "clag" like glue (another reason for some sort of cover, even a teatowel !)

FINALLY, A WORD ON THREAD:
If it is worth spending the time, energy and money on making something that you would like to give lasting enjoyment......use quality thread, .......it may seem to cost a little more at the
time, but the results, ease of use and added longevity will be worth the extra, and as a bonus, your tension troubles may be fewer and further between, because there is a more consistent diameter with good thread, and less compensating to be done by your tension plates and less thread breaks

Best Wishes
Martyn
Bargain Box in Australia

Posted on Sep 08, 2009

  • 1 Answer

SOURCE: bobbin tangles up thread and jams machine

Hi, Is it your bobbin thread or the top thread wrapping around the bobbin. I just got a used PE150. The top thread keeps wrapping around the bobbin. It is not picking up the bobbin thread. Did you find a solution for your problem?
katfou

Posted on Feb 08, 2008

  • 27 Answers

SOURCE: Brother Sewing Machine model:CS8150 bobbin thread problems

The top of the machine is not threaded correctly. First raise the presserfot then rethread the machine. Bottom looping is usually caused by a lack of top tension. There could allso be a bur on the hook.

Posted on Feb 23, 2008

  • 2 Answers

SOURCE: bobbin thread bunches up creating a tangled mess under the plate

This could either be due to the bobbin being wound too loosely, or the tension on the top thread is too loose. This just happened to me the other day, and I thought it was the bobbin thread, but then I put another bobbin in with a different color than the top thread (this is a huge help in diagnosing thread issues), and I was surprised to find that it was actually the top thread that was a big loopy mess on the underside of the fabric. I fixed it by tightening the tension on the top thread (quite a bit), and everything was fine.

Posted on Jan 23, 2009

  • 3 Answers

SOURCE: I use Brother VX 1120 Sewing Machine. It can not

go to the brother website, you can download and/or look at the manual for free

Posted on Mar 04, 2009

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1 Answer

Lower bobbin thread gets tangled


try changing the needle --make sure the needle is the right one
for the fabric being sewed
try a different thread
make sure the bobbin is not over filled
make sure the bobbin is turned the right way in the bobbin case
make sure the thread has not come off the thread take up lever

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The motor locked up because the thread is tangled. Remove the tangled thread before continuing the operation.Clean the bobbin case to remove the tangled thread. After cleaning the bobbin case, insert the bobbin case properly. If the needle is bent or broken, replace the needle.Then, thread the upper thread properly, and continue the operation.
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Make sure there are no bits of thread in the lower bobbin area, under and around the feed dogs (remove needle plate), etc.

Aug 02, 2012 | Sewing Machines

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I am using my new brother CS-60001 sewing machine for the first time and I can't stop the bobbin thread from tangling. I feel the machine is threaded correctly, the bobbin thread is tightly wound and...


Hi. You "feel" that the machine is threaded correctly? You should probably completely pull the thread out and start over, making certain that it is threaded correctly. Once that is done, double check to make sure the thread is pulled all the way into the tension discs. Make sure also that you have lowered the presser foot. Is the bobbin inserted in it's case correctly? Every aspect is critical to proper function. You may also want to revue your manual.

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In my Brother CE-4000, it appears as though the feed dogs (which you can change to a higher position or a lower position) are allowing the bobbin case to spin all the way around and then the needle hits the bobbin case. When the feed dogs are in the lowest position, the bobbin case does not spin all the way around when the needle moves up and down (and therefore the needle does not get stuck in the bobbin case. I am wondering if this is a problem with the feed dogs/case?

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I place the fabric on the machine, lower the foot and apply pressure to the foot peddle, when the machine begins to sew fabric is pulled down and the lower thread tangles, the machine make a crunching...


This is easily solved. Before you start sewing make sure your upper and lower threads are long enough for you to hold before lowering the presser foot. If these threads are too short they both get carried down into the bobbin along with the fabric and cause a big tangled mess. Always hold your threads at the back of your work with your left hand then lower your pressure foot and don't release the threads untill you have taken several stitches. Keep holding these threads during backstitching at the beggining of a seam too. Works like magic.

Dec 21, 2010 | Brother XL-3500

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The lower thread is getting tangled. I have changed the bobbin, re-wound the bobbin thread again, taken the bobbin out and cleaned the bobbin case.


Incorrect threading of the top thread can also cause lower loop tension problems. As can the wrong size or blunt needle. Try re-threading top thread first.

Dec 21, 2010 | Brother Sewing Machines

1 Answer

Thread from the top needle gets pulled and tangled into the lower bobbin.


change the needle
rethread the machine-make sure to get every thread guide
make sure the thread does not come off the thread take up lever
clean under the needle plate where the feed dogs for lint
also clean the bobbin area for lint & loose threads

Nov 20, 2010 | Brother XL-5600 Mechanical Sewing Machine

1 Answer

Thread is tangling on the lower bobbin


check the needle first.Bent or spurred needles will result in this action.

May 30, 2010 | Brother XL-3510 Mechanical Sewing Machine

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