Why is my bobbin thread coming through?

How do I stop bobbin thread from showing on top?

To adjust the bobbin case, turn the tension screw in no more than 1/4 of a turn using the guideline “righty tighty, lefty loosey.” If the bobbin thread is showing on top, you’ll want it tighter. The only way to know if you adjusted correctly is to test sew. Adjusting a drop-in bobbin case.

Why is my thread bunching underneath?

A: Looping on the underside, or back of the fabric, means the top tension is too loose compared to the bobbin tension, so the bobbin thread is pulling too much top thread underneath. By tightening the top tension, the loops will stop, but the added tension may cause breakage, especially with sensitive threads.

Why is my bobbin thread not catching?

Check the upper thread. – Check to see if your upper tension is too tight. … – Your thread could be caught on something between the needle and your spool of thread if so, your thread will be too tight for the needle to pick up the bobbin thread. – Make sure that the upper thread is threaded properly.

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