We may have found other answers which could help you.
Click here for Wheel Sewing Machinereattaching the bobbin casing and bobbin?
problem with my White brand sewing machine model 1515?
How can I correct stitching issues with my Sew Cute?
How do I get my White 167 cabinet 'knee' pedal to work?
I purchased a used white model 940 sewing machine and it doesn't stop?
Need a bobbin case for White Model 626?