You people are probably getting tired of hearing about my rehab of this machine. But, I've gotten and really appreciate lots of good advice that I've gotten. Everything now works and my wife loves how it sews. I'd like to do one more thing.
The knob around the outside of the reverse button, as shown in the picture, is plastic. It seems that it has gotten detached from whatever is holding it to the actual stitch length mechanism and it is very loose. It still functions, but there's about 1/8 turn worth of slop when turning it back and forth. If I could remove the darn thing, I'm pretty sure I could find a way to secure it. But, for the life of me, I can't figure out how to get it off. There is no set screw. I tried gently prying, but don't want to break it. The plate that it's mounted on appears to be pressed into the body, as I don't see any way to remove it either. It seems like I've seen this set-up, or something very similar, on a lot of the badged Japanese machines of that era. Anyone have any good ideas for me on how to get that knob off and the whole thing disassembled?