Hi all, I added a new video showing how to deal with the stop motion clamp washer on a non-potted-motor machine. This type of washer lacks bosses, and looks a bit like a propellor with stubby blades; if you have a 99, 66, 306 etc., you'll find it familiar.
The video entry can be viewed here:
http://bit.ly/LFkMOG
happy fixing,