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Yes, because a zig zag stitch is creating a wide stitch and the tension on the thread is going to pull the fabric within the seam together, you can't seam thin fabric with a wide zig zag. It will "tunnel together". If you are using this stitch to neaten a raw edge, then try using the serpentine or three step zig zag where the needle pierces the fabric 3 times in each leg of the zig zag, this will give better results.
put in a new needle rethread the machine top & bobbin--use every thread guide make sure the zig zag settings are correct it's also possible that the machine could have a worn or damaged gear or cam--which would have to be checked at a sewing machine shop
it's very possible that the machine is slightly out of time & needs to be service at a sewing machine shop is the fabric & thread & needle compatable with each other? did you use every thread guide when threading the machine? is the bobbin in correctly? is the bobbin warped?
FIRST > Make sure your bobbin case is threaded correctly...
NEXT For normal straight sewing the top tension should be around 5, for zigzag or satin stitch you need to lower your upper thread tension a bit. Try it at 4, if it still pulls your bottom thread to the top try it at 3 etc...
When ever a machine is jamming up the bobbin thread, it is a result of your top tension. It is either set to low (under 4), or the thread has come out of the take-up lever. Check your threading, fromt he spool pin, down to 2 and up to 3. Three is the take up lever. From the take-up lever down to 4. Set the thread behind the thread guide and thread the needle form front to back. Low quailtu thread 9dual duty or all purpose) can also create this problem.