Bentley Power Presses G11 30-ton, G12-50-ton, G8-80 ton and EPIC Type (should also help with the 100-ton version): Operating and Servicing Instructions and Spare Parts as Exploded Component Drawings together with a Separate publication "Installation and Servicing of Bentley Epic Presses" and, for the M-Type, a cross sectional drawing through the crank, drawing of the arrangement of the single-stroke mechanism together with Hydraulic, Electrical, Tooling, General and Lubrication layouts.