Bentley "M" Range - key clutch power presses. Descriptions, general diagrams and specifications with photographs.

BENTLEY M Series Power Presses - 32, 50, 80 and 125 tons. Operator's Instruction and Servicing Manual with  drawings showing: sectional general-arrangement through crankshaft; general arrangement and tooling area layout; layout of lubrication system; wiring diagram; layout of pneumatic slide balance & brake mechanism; arrangement of single-stroke mechanism.

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 arrangemen