I hope you got it cheap!
I assume you've tried Enco.
You might see if you can find a manual for a similar machine, whether by Enco, Jet, or Grizzly. While it might not exactly match what you have, it might give you sufficient guidance to figure it out.
Try to make a living, not a killing. -- Utah Phillips
Don't believe everything you know. -- Bumper sticker
Everybody is ignorant, only on different subjects. -- Will Rogers
Law of Logical Argument - Anything is possible if you don't know what you are talking about.