toolazy,
Wait till I post pics of it's big brother. Eeekkkkkk!
Tartan,
The 66s, 99, and quite a few others have a single screw that fastens the feed dogs to the machine. There is some adjustment. Other more modern machines have the dogs mounted on a cross bar. I'm sure there is an adjustment somewhere but I don't know for sure. Your fix sounds easy and as long as it works, great.
Joe