The bottom stitch jamming up The bottom stitch is producting amount of thread from the bobbin. You can sew for awhile and then it starts up again. seems like the same problem I haad so I tried ...
...as if the underthread keeps getting caught on something. If the hook of the machine has a small burr on the point it can and will snag the upper thread and keep it from locking securely. The hook ...
...If the thread is lopy on the undrsde: tighten the needle tension check the needle for bent or burrs, put thread through the needle and pull back and forth by hand if the thread shreds, burr in ...
the thread tightens in the upper tension and breaks Try your tension at 3 and make sure that your thread is not old or tangled. Rethread, then with your presser foot up, pull the thread, it should ...
...thread. Sometimes caused by: Damaged plastic bobbin case Rarely caused by: Shuttle out of time Burr on the shuttle It is NEVER caused by the bobbin tension, so don't touch
...keep adjusting until both threads are at the middle of the materials being sewn There could be burr or nick somewhere that the bobbin thread is catching. Use a fine piece of fabric, like an old ...
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