Ability to interpret complex multiview drawings, sketches, wiring diagrams, manufacturers'' specifications, and other technical material to isolate malfunctions in such devices as hydraulic pumps and motors, mechanical clamping devices, and electric or hydraulic axis drive and positioning systems. Repairs and maintains, in accordance with diagrams, sketches, operation manuals, and manufacturer''s specifications, machinery and mechanical equipment, such as die cutters, sheet-fed presses, inserting machines, folders, conveyor systems, bindery equipment etc.