Need help on my new toy (Bridgeport Milling Machine)

I have just aquired a Bridgeport. It has what look like servos on
the XYZ axis. Someone spent a bunch of time cutting cables and
hydraulic lines (I assume to one day turn it into a manual machine ;
( )
The table is labled with "Position Wizard Model 600 by Spindle
Wizard". It came with a large blue CN box called the "AutoNumerics
Positool 900" which has a tape drive and assorted X & Y dials and a
verticle control built into it. I am reasonably certain that I can
re-hook all the cables properly (the hydraulic hose is still a
mistery although there is a control box with what looks like a dual
jar oil filter of some sort). Naturally, there is no documentation on
anything. Does anyone have a clue where to begin to salvage as much
of the original control electronics as possible and interface a PC to
this stuff?