craftgrrl | Sewing Machine Help *again*

I had made that post a while ago about my sewing machine issues so I ended up having it tuned up. Paid $67 for the darn tune up only to use it last night and now there is a weird new issue.

The bobbin, in the bobbin casing, is threaded correctly, against the direction of the casing as the instruction manual and everyone in the world has told me. Everything else is correct. He redid the tension and told me to leave it alone.

I started to use the machine and while sewing the thread on the bobbin (I need to try to explain this correctly without being confusing) still stays through the machine as if I'm still working but that little slot that you slip the thread through, I think it's the bobbin tension, it's slipping out of there. It's like I popped in the bobbin without putting in the thread in the tension slot of the bobbin casing.

Does that make any sense at all?

It keeps doing that. Coming out of the slot on the casing meaning there is no tension on the underside of the fabric and it bunches up and screws everything up. I have to unload the bobbin, rethread it into the bobbin case and back through the machine again.

I've used different bobbins (the default one and the new ones I got that are identical to it) and I've rethreaded to my hearts content.

The guy that tuned the machine said that this will happen, just watch out for it. I'm not going fast, I'm using a medium zig zag stitching. He said to make the stitching tighter and it should help but that it just happens.

Does it really? I've never heard of problems just being that way before. I thought you can just stick in the thread and sew something without having so many issues.