Top thread keeps breaking

Besides installing a brand new needle (which you've already done), unthread the top thread. (Cut the thread below the spool, raise the presser foot, and pull the thread DOWN from the thread tail end--NEVER PULL thread UP!)

ALWAYS RAISE the presser foot and rethread the top thread from the beginning. Verify the thread path is correct. Set the upper tension to the midway point and then tweak it so both threads meet in the middle of the fabric.

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Thread breakage could occur for several reasons.

First, try a brand new needle.

Second, use only good quality thread--NOT old thread or bargain bin varieties.

Third, when threading the upper thread, be sure to ALWAYS RAISE the presser foot throughout the threading process.

Verify that the thread path is correct (consult the owner's manual). Incorrect threading will usually break the thread.

Check that the upper thread tension is set at the midway point between the high & low numbers.

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try these video's

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You do not say which machine you have. As for a straight stitch, make sure the needle is central and not in zig zag mode.
The thread can break for several reasons, such as. Incorrect tension.
:Wrong thread for the material.
: Thread in bobbin different from the top thread.
:Old thread.
: Not threaded correctly.
: Needle not inserted correctly, or incorrect needle.or the thread could be wound around the spool holder pin,
Try removing the spool and turn it around.
Hope this helps.

This happened to me several times. The way I fixed it was to:
- clean underneath where the bottom spool goes in, usually there is where the dust keep collecting.
- when holding the case spool before inserting it in the machine, make sure the thread that comes out is rolling towards YOU, the normal rolling way and NOT backwards.
- make sure the thread is not loose on the spool due to not enough thread on it.
- you might also want to check the thread on top - going through all the "curves", that somewhere is not being stock, that the thread is NOT skipping any"corners" and do not do any shortcuts when threading.
- there has to be ENOUGH thread on the TOP spool and on the BOTTOM spool.
- lastly, - pull everything out and start fresh with all the threading - top and bottom after cleaning the dust out and maybe any little bits of cut thread left over from the past work.

I'm sorry but that's all I can thing off .... I have been sawing for over 50 years and this is the way I always fix my machine every time, either manual or electric.
One thing is for sure, not all threads are appropriate for sawing machines and if you are trying to saw elastic, then you have to use the correct dial, because the usual one will NOT work and it WILL brake the thread !

I hope any of the above will help ... :)

Don't ship it back and the problem is not the tension settings. Even on the tightest setting the thread should not break. Most likely the machine is not threaded correctly. Possibly, you are using too thick a thread or a needle that is too small.

Solution back to basics:
1. verify that you are not using upholstery thread. Use a standard cotton poly mix.
2. the bobbin thread should be the same as the top thread.
3. consider watching a video showing the machine being threaded and make sure the needle is in the top position.
4. sew a test pattern on a normal weight fabric like an undershirt - avoid very thick material.

If this solves your problem then change one item at a time. Use a heaver thread if that is what you want. If it works ok then go to a thicker material, etc. Do not change two or more things at a time..If you have a problem it makes it hard to identify the source.

Hello

Primary causes of upper thread breakage:


-- misthreading: pull all the thread off and thread again, using the manual, step by step. Read each step aloud before you do it. (sounds dumb, but helps.) (And make sure you thread the takeup lever!)

-- thread has wrapped itself around a thread guide or spool pin from one of the breaks. Take the spool off the machine before rethreading.

-- bad or damaged needle. Replace with the right size for the fabric, turned correctly (backwards needles skip stitches)

-- dirty machine, especially in the bobbin case area: review cleaning instructions and do it, using brush and vacuum only

-- bad/cheap thread: should not be slubby or break easy. Try another spool.

-- top thread tension too tight. 4 is normal for most fabrics, most stitches.

Tips;

1) do a light cleaning (brush and vacuum) every day you sit down to sew.

2) replace the needle if you hear it hit metal, if you've got a really bad thread jam, if you see it deflect as you sew (for instance, sewing over the side seam on jeans when hemming). Replace every 3-8 hours of actual stitching time anyhow.

3) buy good quality thread

4) when your machine isn't sewing right, stop; take all the thread off of/out of the machine (bobbin out of bobbin case, spool off spool pin) and give it a quick cleaning. Rethread from scratch, carefully. If that doesn't fix it, do it again, then replace needle and rethread one more time, manual in hand (yah, even if you've threaded it 8 million times before). #4 is curative about 98% of the time. The other 2% often requires professional attention.

I had a similar problem and then realized that the thread on the top had a **** on the spool it was catching on.

Your threading is not right, totally remove your thread and rethread according to the manual directions and dvd. If, you still have problems call Singer at 1-800-4singer