Electromagnetic brake - Cemco

Hi
We have been contacted to remove an old platform lift in a stage. It is a Cemco unit with an in ground jack and an ESI controller. It is equipped with electromagnetic brakes that keep the platform from drifting while not in use. Does anyone have the schematics for this type of brake or is there a manual way to lift the brake.
Thanks in advance for any help
Chris
See attached pic

If you know the coil voltage you can use a transformer and rectifiers then a switch to wire directly to the brake coils and bypass everything to do it manually

Thanks for the reply, that was my last resort. The controller fires up and I think I can manually make the contactors just need a little more info.