Bandit servo drives and tach

Guys,

I inherited a SuperMAX fitted with a VERY old closed-loop Bandit
(still Summit/Dana) from a buddy of mine. As I have built antenna
positioners in the past I think I can actually do something with this
rig! However, the many years of wipe-downs have left the Dana
RapidSyn servo motor labels shiny clean, as in NO data. Any idea what
kind of voltage and current these guys like? I hotted up the X axis
leads with a DC power supply and got the motor to spin with 5-30 VDC
at about 2A. However, I know there's more top end but I don't want to
burn things up. Moose took good care of this old bugger and I'll be
danged if I'm going to be the one that cooks things. Also, any
feedback on the...feedback? I know it is resolver based but does
anyone know if it is multi-speed and what the characteristics of the
resolvers are?

Any help would be appreciated.

Thanks