li>Inspect, clean, lubricate, and perform preventive maintenance on pumps, fans, valves, motors, dampers, actuators, air compressors, air stations, diesel engines, louvers, various pneumatic and electrical controls, filters, relief valves, tanks, etc. Duties include: - Perform preventive maintenance and routine repairs in electrical vaults, manholes, and assigned areas on transformers, motors, special automatic controls, switchgear, emergency lighting, motor generators, motor starters, breakers, etc.