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Industrial sewing machine top thread breaking

Brother db2-b755-3a mark 3B

Top thread tearing from eye. Catching at bottom even when bobbin is removed, is this timing? perhaps due to needle hitting an obstruction? can I rectify this myself ? I have replaced needle - eye to side - with flat needle side to right.

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  • Anonymous Mar 21, 2014

    Bobben tention and needle tention problems



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The brother DB 2 series of machines do not use a needle with a flat side. the needle system is DBX1 and are available from size 10 to size 20.
Try using the right needle for the machine and the right size for the thread you are using. this should make it better

Posted on Feb 27, 2008


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Posted on Jan 02, 2017


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My brother innovis machine has a problem. Top thread frays and breaks, not not seem to be picking up bobbin thread properly. I have changed the needle tried a previous bobbin.

Be sure to install a brand new needle--check that the needle eye is the correct size for the thread you are using--a small needle eye will shred heavy thread. It may also help to remove the top thread from the machine, ALWAYS RAISE the presser foot and rethread from the beginning. Verify the thread path is correct. Try different thread--AVOID old or bargain bin thread. Check that the upper tension is not too tight.

If the top does not pick up the bobbin thread, the machine may be out of time.

Otherwise, there may be a burr or snag somewhere along the thread path that is catching and fraying the thread. Sometimes there is a snag in the bobbin area (possibly the needle plate or hook) that is rubbing the thread.

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Nov 09, 2017 | Brother Sewing Machines

1 Answer

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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Why does my thread keep breaking on my brother ce4000? The machine is 100% threaded correctly new needle properly wound bobbin, I just don't know what could be wrong with it.

Could be a multitude of things. Use only good quality thread--no old or bargain bin threads. Try a different brand of thread--some machines prefer certain brands over others. The needle and thread should be compatible--ie needle eye shouldn't be too small for thread weight. Burr catching the thread and breaking it. Upper tension too tight.

Remove the upper thread, RAISE the presser foot and rethread from the beginning. Verify the thread is not looped incorrectly in the thread path, like around a thread guide or around the spool pin. Is the thread snagging on the thread spool itself? Do you see the thread tightening as you sew and eventually it breaks? This indicates it is catching somewhere between the needle and spool. Is it shredding at the needle eye? This indicates the needle eye is not suitable for the thread being used.

Watch where the thread is breaking. This will sometimes give you a clue where the problem exists.

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Jan 26, 2017 | Brother CE4000 Computerized Sewing Machine

1 Answer

How do I stop my tread from popping on my Brother (17 stich) sewing machine?

Breaking thread? Presumably the top thread? AVOID old or bargain bin threads. The upper tension is too tight or the thread is not properly seated in the tension disk, the needle is defective or the needle, needle eye/scarf is not the best choice for the fabric/thread being used, there may be a snag in the bobbin area that is catching the thread. Make sure the thread is not catching on the spool's thread notch.

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Dec 07, 2016 | Brother Sewing Machines

1 Answer

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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Sep 05, 2016 | Kenmore Sewing Machines

2 Answers

My bobbin and thread are constantly breaking. I have the correct thread to needle, but I don't even get one stitch before both break. Tension is on auto; should it be less or more?

is the needle in the holder the correct way ( groove in the needle facing the thread )
Is the needle eye the correct size for the thread in use

remove it from auto tension setting and adjust it your self
make sure that the top thread is between the tension plates and not around the thread behind the plates
the thread tension is close to correct when you need a bit of a pull to pull it along to the needle
is the method of threading to the needle correct as any areas where the thread reverses direction will cause it to break
what do mean that the bobbin is constantly breaking or is it the bobbin thread that is breaking
have you got the thread down the case slot and under the flat spring correctly
the bobbin has to be inserted into the case in such a manner that when the thread is pulled , it flows down the slot freely as the bobbin turns
if the direction is wrong , the thread has to move across the sharp edge of the slot and will cut easily

Dec 21, 2015 | Brother Sewing Machines

2 Answers

Bobbin thread keeps knotting

1. Do you mean that there are knots in the bobbin thread?
2. Is the bottom thread in your stitching looping and knotting.

If yes to 1. you need to rewind your bobbin fresh, and keep slight tension on the thread reel that you are winding it from. Put the handle of your scissors into the top of the reel to apply a gentle pressure while winding. Keep your eye on the bobbin as it winds and give it a nudge with a finger tip to ensure it winds the bobbin evenly top, middle and bottom.

If yes to 2, then you need to check your bobbin threading, is the thread even under tension. Is the bobbin tension set correctly. Break out your manual and revisit this to ensure it is set correctly.

Feb 27, 2011 | Brother XL-5340 Mechanical Sewing Machine

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