Question about Brother Sewing Machines

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Upper thread gets jammed in bobbin area

The upper thread gets caught in the bobbin area and stops my machine because of huge clumpy knots on the inside of the bobbin area and the underside of my material

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  • Brother Master
  • 7,365 Answers

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

Posted on Dec 12, 2012

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Posted on Jan 02, 2017

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  • 323 Answers

SOURCE: thread jamming at bobbin

Check to be sure the thread is not catching on the bottom of the bobbin. If it is, replace the bobbin because it is sprung. If it is not catching there, then you need to check your tension to see that it is working properly. Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";}. Pull the thread through the tension assemblyand test it to make sure the tension is working correctly.
(To do this test, adjust your tension setting to normal or medium or 5 orsomething in the middle. Raise the presser foot and pull the thread through thetension. It should pull easily!! Lower the presser foot and pull the thread. Itshould pull noticeably harder.) If it doesn't do this, you need to remove the thread or lint that is stuck between the tension discs. Open them with a small screwdriver and clean them out.
If this doesn't solve your problem, remove the bobbin case and check the hook for rough spots.. If you find some, buff with an emery stick until smooth.
sewman7

Posted on Oct 04, 2008

  • 29 Answers

SOURCE: a horrible tangle

This is a bit late, could the bobbin case not be seated properly? You need to put it into place and then turn it clockwise until it seats soundly in the opening. Also, check for burrs...the needle may have left a rough mark on the plastic or metal in the bobbin area. A piece of batting, or even an old knee hi should snag on any rough areas.

Posted on Jul 14, 2007

kent581
  • 87 Answers

SOURCE: Upper thread knots up with bobbin thread when sewing a stich

Thread test
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test, then let me know, we can go to step 2. If not, try different spool of thread, same test until you get a smooth pull (tip: always check your thread this way when you thread your machine)
Step 2:
Pull on your threaded bobbin thread while it’s in the machine. Does it pull smooth and even? If so, go to step 3. If not, try a new bobbin (bobbins get bent or distorted if wound too tight).
Clean thoroughly in the hook and bobbin case area and oil 1-2 drop is all.
Thread knotting on the bobbin can be a lot of things but here's some guidance:
Tension:
If the thread is loose on the bottom of the fabric, it's actually the top thread is too loose. Think of 2 little elves playing tug of war in your machine, one on toip and one underneath. If you have loops on bottom, the top needs to pull harder (tighten top tension)
Jamming bobbin case:
If it is damaged from turning out of place once, it could have rough spots on it that makes the thread hang on it, and keeps making it turn over and over. Use a finger nail board (fine sanding) and smoothall rough spots. Then reset the bobbin case taking care to put the notch in the bobbin case in alignment with the proper spot in the machine (basically 5 o’clock) when looking at the round area where the bobbin case goes.

Posted on Mar 18, 2009

  • 1 Answer

SOURCE: thread knotting around bobbin case

hello, I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem. It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work)  Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel. In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.

Posted on Mar 31, 2009

Mongo32
  • 111 Answers

SOURCE: cotton keeps getting knotted from the bobbin

upper tension is wrong or upper threading is wrong (problem is always on the other side of the bunched thread)

Posted on Jul 08, 2009

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1 Answer

How do I stop getting thread jams


try these suggestions
change needle
clean under needle plate & in bobbin area for lint or loose threadsmake make sure the top thread has not come off the thread take up lever
make sure the bobbin is not over wound
make the bobbin is turned correctly
make the bobbin is inserted correctly into the bobbin case
rethread the machine top & bobbin

Aug 28, 2012 | Sewing Machines

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Singer bobbin thread not being caught


try rethreading the machine top & bobbin
change the needle--flat side to the back of the machine, make sure the needle is the right one for the fabric being sewed
clean under the needle plate & in the bobbin area for lint or theads

May 10, 2012 | Singer 3323S Sewing Machine

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I have a Brother sewing machine and whenever I try to pick up the bottom thread (or when I try to sew), the upper thread gets caught around the bobbin case causing a huge, knotted mess. It's just all...


Check your top tension dial setting is on 5, as this sounds like the thread is not in tension fully so is looping up around the rotary hook and not being held back by the tension device. Is the pressure foot lowered (this turns the tension on) fully and is the thread through the tension discs correctly. Lower the pressure foot and pull the top thread from below the tension dial, it should feel firm to pull, if it comes out easy, its not undertension, device could be faulty and machine will need to be serviced.

Also, check that the bobbin case is fully inserted into the rotary hook in the correct position, bobbin is in and rotating the right way and thread is into the tension spring fully.

If you have the manual pull it out, and carefully check the threading up instructions and follow on your machine - it is probably one of these things causing the jamming.

May 23, 2011 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

The thread hangs up inside the bobbin holder


A jammed machine is caused by thread being caught in the hook. Remove the upper thread and the bobbin case, turn the hand wheel towards you (counterclockwise) by hand and remove any thread in the bobbin case area. *Always turn the hand wheel towards you. Turning the hand wheel away from you (clockwise) can cause the machines timing to become unaligned and jam your machine. Also, always make sure the presser foot is in the down position before you start sewing. Sewing with the presser foot in the up position will jam your machine in the bobbin case.

Sep 26, 2010 | Singer 2517 Mechanical Sewing Machine

1 Answer

Thread jamming under fabric


bobbins in backwards
flip it over

Dec 18, 2009 | Kenmore Sewing Machines

1 Answer

Cotton keeps getting knotted from the bobbin


upper tension is wrong or upper threading is wrong (problem is always on the other side of the bunched thread)

Jul 07, 2009 | Janome Sewing Machines

1 Answer

Upper thread knots up with bobbin thread when sewing a stich


Thread test
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test, then let me know, we can go to step 2. If not, try different spool of thread, same test until you get a smooth pull (tip: always check your thread this way when you thread your machine)
Step 2:
Pull on your threaded bobbin thread while it’s in the machine. Does it pull smooth and even? If so, go to step 3. If not, try a new bobbin (bobbins get bent or distorted if wound too tight).
Clean thoroughly in the hook and bobbin case area and oil 1-2 drop is all.
Thread knotting on the bobbin can be a lot of things but here's some guidance:
Tension:
If the thread is loose on the bottom of the fabric, it's actually the top thread is too loose. Think of 2 little elves playing tug of war in your machine, one on toip and one underneath. If you have loops on bottom, the top needs to pull harder (tighten top tension)
Jamming bobbin case:
If it is damaged from turning out of place once, it could have rough spots on it that makes the thread hang on it, and keeps making it turn over and over. Use a finger nail board (fine sanding) and smoothall rough spots. Then reset the bobbin case taking care to put the notch in the bobbin case in alignment with the proper spot in the machine (basically 5 o’clock) when looking at the round area where the bobbin case goes.

Mar 16, 2009 | Sewing Machines

1 Answer

Thread knotting around bobbin case


hello, I had the exact same problem and could not find the solution until i took my machine to my sewing sensei and i solved my tedious problem. It was actually not a tension problem at all but a threading problem. Make sure you have threaded your bobbin correctly and that when you pull on the bobbin thread that the bobbin turns the right way. (mine must spin anti clockwise to work)  Make sure that when you pull up the bobbin thread using the needle that it is not over the feed dogs connective bar but under it. A big problem when the thread gets caught around the bobbin case wheel is that the thread is looped around the feed dogs once and that causes the thread to get caught around the bobbin wheel. In conclusion, thread the bobbin correctly and read over your instruction book before spending the money to get it fixe in s shop.

Feb 26, 2008 | Brother LS-1217 Mechanical Sewing Machine

1 Answer

A horrible tangle


This is a bit late, could the bobbin case not be seated properly? You need to put it into place and then turn it clockwise until it seats soundly in the opening. Also, check for burrs...the needle may have left a rough mark on the plastic or metal in the bobbin area. A piece of batting, or even an old knee hi should snag on any rough areas.

Jan 05, 2007 | Singer 2662

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