I'm sure someone has had a similar question in the past however when I do a specific search there is no definitive answer to this..(some time back the question was asked but the answer wasn't definitive).
Here is the question:
 I purchase a BP V2XT with decent iron. It sat long enough for the battery and memory loss.
Before gutting this thing, or going into the unknown trying to fire this puppy back up, to its glory days, IS THERE SOMEONE OUT THERE THAT HAS DONE THIS; or is this just a dark art nobody is talking about?
The former owner says "ran when parked, but I bought a few motorcycles like that and it can mean a bunch of tomfoolery that I have no time for...

Google found this:
http://steampunkworkshop.com/bridgeport-series-ii-cnc-geckomach3-conversion/
There's probably 100 different ways to do it, depending on what motors/drives your using, and what you need it to do.

Awesome news Gerry!
That is full of great advice following his dead end runs then solutions of them including advice on which parts to keep/toss.
His summary of how he would have done it if he did it again is my solution.
The Machmotion solution is best but this machine won't be used for heavy production so it wouldn't pay itself off in the long haul. Thank you.