Originally Posted by
Heathermom2opmc
... There is a metal plate with a little notch that had 3 screws in it. It sat under the bobbin area cover, and the bobbin casing slides under it. I have no idea what the real name is for it. The plate slid left to right, moving how much it pressed on the bobbin casing. I had to slide this plate to just the right position to keep the bobbin casing from bouncing around, but also not to tight to prevent it from spinning. I am now sure that this was the cause of the bird nesting....
Congratulations. Doesn't it feel good?
I didn't realize the bobbin case had three screws, generally I thought it was only 2. I don't remember quite what my niece's machine bobbin case holder was like. If your manual is like the one I downloaded from Singer, It looks like it would be chapter 9 of the manual "Caring for Your Machine" that tells how to remove and replace the bobbin case.
Janey - Neat people never make the exciting discoveries I do.