Welcome, I'm glad you got it moving and are interested in getting it back to doing what it was meant to do.
I don't do Facebook, but I have had heard good things about a couple of groups. I believe the one for Kenmore machines that you want is
https://www.facebook.com/groups/680558488716580
There is another one for Vintage Sewing Machines (non-Singer)
https://www.facebook.com/groups/821555271188096 that I have heard good things about and has a lot of manuals.