hi jon,  i just now saw your message.   i hope i'm not too late.   you have a great machine i hope i am in time to save it from the scrap pile.  i have one that is in excellent shape.  i use it every day and they are very rare and well made machine.   i have a copy of the service manual but i need an operating manual.   i'm trying to find someone with a copy which is how i saw your blog.  if you have any info by now, i will share what i have with you.   hope i'm not too late to save it.    ed  please email me at 
themukluks@gmail.com