I have two of these that are complete, minus one spindle and a deck belt, oops. lol.
I can not find parts for anything other than the motors. I am off tomorrow, and will try to photo copy the manual I have and get it to you. I will attempt to make it public for all to get ahold of. I would like to do the lift like that, that lever is a bear. This is a pic of the other one, I believe it is older. I was under the impression that they were 1978, and 1973. If you know any different, let me know. The model numbers are 66000 and 66005. 1978 is written on the owners manual with pen.