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.
How do you unjam a sewing machine needle?
Raise the needle to the highest position using the hand wheel. If the needle will not move, gently work the hand wheel back and forth a little bit to see if the needle loosens.
Why does my bobbin keep getting jammed?
Make sure your bobbin thread is wound evenly on the bobbin. If the thread is wound uneven make sure the bobbin thread is through the bobbin thread winding thread guide when you start to wind your bobbin. … If the bobbin case has been inserted incorrectly into the outer rotary hook your machine will jam.
What problem occurs if your sewing machine runs noisy?
If your machine creates noises, it means that lint or oil are collected on the hook or needle bar. To fix this, simply clean the hook and feed dog as described in the instruction manual of your machine model. You can also oil the machine to make it operate smoothly.