Hi Stephen
I take it by now you have probable solved your problem or have moved on. However, I may be able to through some light on your motor wiring question. I have a 1958-60 Myford Super 7 which has an Industrial Cabinet Stand Type 1486/3B and a Metropolitan Vickers single phase 230/240 Volt AC motor fitted.
Wiring:
T2 – RED
A1 – GREEN
A2 – BLUE
T3 – WHITE
If this is helpful I could sen a picture. I have the control panel out at the moment, since I am in the process of refurgishment, so I could make a note of the motor connections and post them on.
Like you I'm on the look out for a wiring diagram for this control system so if you have managed to get a hold of one I would be interested in a copy.
Best wishes
Archie