Bobbin and Lace and Tatting

I’m having trouble with my Singer Simple sewing machine. The upper thread is catching on the bobbin case.Help?

The upper thread seems to be getting caught on the bobbin case. I’ve adjusted the upper tension, the bobbin tension. I rethreaded the bobbin and the needle countless times according to the user manual. Still, I can’t seem to get more than a few stitches before the machine jams. When I pull the fabric away, the top stitches look perfect, but under the fabric, there are several long strands of thread that seem to be caught on the bobbin case. Most times, I actually have to remove the bobbin cradle just to remove the extra thread. I’ve also tried oiling the machine. What else can I do??? This is my first sewing machine and I was so excited about it, but I’m finding myself incredibly discouraged. Does ANYONE know what I’m doing wrong? Or a tech support number for Singer??

I’m a sewing machine tech. Always remember TNT. Threading, Needle and Tension. Eventually you will figure out the problem.
You might look to see if you put the bobbin in so its turning the right way. Another possibility is that you might have jammed it and had the needle hit the hook. (the part that catches the loop when the needle goes up.) Check everywhere that the thread touches and see if you can feel a burr. If the needle hit the hook and there is a burr you will feel it with your fingernail. You can’t always see these burrs by eye. What happens is the thread can catch on a burr and foul everything up. Then you have to use some fine emery paper to file down the burr smooth. Just turn the handle slow by hand with the door open when first picking up the bobbin thread. Watch every where the thread runs across then feel with your fingernail those places.
Good luck to you.

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