I found out one of the problems I was having. When finished sewing, I'd pull out the material, and three threads would come out the bottom. A local who contacted me said to rotate the needle just past top, and it would come out cleanly. It works.
Now, is there a disengage for when you wind bobbins? Something where the flywheel will just spin and not all the up and down mechanism?
Singer 111w155 . I'm getting this slowly running good. Just a couple of small adjustments to go.
Steve