Displays and maintains behavior which promotes good guest relations to patients, visitors, physicians, and co-workers. Installs, maintains, and repairs mechanical devices such as pumps, motors, conveyor systems, laboratory equipment, air conditioning, refrigeration, and air handling equipment and controls. Assists in maintaining uninterrupted efficient and safe operation of heating, ventilation and air conditioning systems. The mechanic may install, inspect, maintain, repair and adjust motors, generators, controllers, switches, and various types of electric lighting. May work with signal power equipment, locate and clear short circuits, repair and maintain various electronic equipment throughout the hospital. Must be skilled in using ammeter, ohmmeter, voltmeter and circuitry testing equipment. Must be capable of examining, testing, and repairing distribution panels, controls, and motors.