Absolute Rookie Needs Restoration Advice

just got my first lathe; a 1970's Atlas/Craftsman 6 incher. It seems to be in good shape but needs a good scrubbing as a minimum. It's got a lot of "patina," which I think is latin for "I forgot to oil my lathe." It was used most recently for wood turning and is covered in very fine oily sawdust.
The only documentation I have for it so far is a reprint of the 16 page Atlas operator's manual/parts list.

While I have had some machining training, it's all been on big, modern machines, and...

Absolute Rookie Needs Restoration Advice