WMW SU-200 VEB Cylindrical Grinder. Detailed Operating Manual.Should also help with the Models SU-125, SU-125/1, SU-200, SU-200/1 and SU-315

WMW SU 125, SU-200, SU 315, SU 125/1 and SU200/1 VEB Cylindrical Grinders Electrical Manual with Schematics for Models.