How do you fix a bobbin?

Why is my bobbin not turning?

Bobbin Case Not Turning

First, it may be that your bobbin thread tension is too tight. … To fix this issue, you will need a new bobbin, wind the thread slowly and make sure the tension is nice and even. Then replace the old bobbin with the new one and resume sewing again. Make sure you double-check the tension as well.

What causes bobbin thread to bunch up?

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 does my sewing machine keep jamming underneath?

However certain you are that the problem with the machine is most likely due to a huge tangled mess of thread in the bobbin underneath the fabric, the most common reason for the jamming is usually the lack of sufficient tension in the upper thread.

How do you tell if your bobbin tension is off?

The thread should unwind just slightly and the bobbin case should drop an inch or two. If the thread unwinds without resistance and the case slips to the floor, your bobbin tension is too loose. If the bobbin case doesn’t budge, your bobbin tension is too tight.

THIS IS AMAZING:  Your question: How easy is it to bust stitches?