Ensures operation of machinery and mechanical equipment by coordinating preventive maintenance requirements on engines, motors, pneumatic tools, conveyor systems, and production machines; following diagrams, sketches, operations manuals, manufacturer's instructions, and engineering specifications; troubleshooting malfunctions. Install and troubleshoot mechanical components including fasteners, power belting, pulleys, chain drives, shafting, dynamic shaft seals, sliding, ball, and roller bearings, lubricants, couplings, clutches, gear drives, speed reducers, and conveyor drive systems.