Question about Sewing Machines
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.
Sewing Machine Problem 1 Thread Breakage
Sewing Machine Thread Keeps Breaking
Posted on Apr 15, 2017
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Posted on Jan 02, 2017
SOURCE: top thread keeps breaking
You may check to see if there is a burr on the surface of the hook. If there has been a needle break, it could have hit the hook and put a rough spot on it. You can use a very fine emory cloth of some kind to remove the burr
Posted on Nov 26, 2007
In general, there are three main causes for this...
wrong needles (Singer), low quality thread (dual duty or all purpose), incorrect threading. Be sure to thread the needle from front to back.
Posted on Sep 02, 2008
SOURCE: Machine is jamming
You need to remove the bobbin from the "race" by following the instructions in the manual. Give it a good clean and remove any bits of fluff and thread. Remove the upper thread also andmake sure that the tension wheel is clear of any broken threads and is on the correct setting. It may have been threaded wrong. The hand wheel not turning sounds like the bobbin area is jammed also.
Posted on Jun 11, 2009
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