I have two Featherweights that belonged to my mom and grandmother. I saw this video:
http://www.youtube.com/watch?v=zjYlrJ-YLSA
and ordered the book and DVD from:
http://www.featherweightrx.com
My little machines are all spiffed up and humming along and it was really EASY to do. Didn't even have to ask my husband (who's a total Mr. Fix-it) for help.
You can get just about any part you need from:
http://www.221parts.com
I'm just floored that you found that where you did. What a wonderful find!!! Congratulations...you're gonna love her.
Minstrel