Sometimes manuals serve more than one model of machine. I found this place but it did not list the 1000 model.
Maybe the 711 is close to yours.
http://morsemanuals.com/
Here's a Morse group that might be able to help you. Look like a small group & not very active but maybe someone on it could guide you in the right direction:
https://www.flickr.com/groups/vintag...ewingmachines/