Air Conditioning Equipment Mechanic

Air Conditioning Equipment Mechanic

The Air Conditioning Equipment Mechanic performs a wide range of work involving installing and recognizing the cause of faulty refrigeration and air conditioning equipment and making repairs on large systems that provide for a variety of air conditioning functions such as heating, cooling, humidifying, dehumidifying, cleaning, filtering, and circulating. Duties include: Calculates airflow and the pressure-temperature characteristics for different systems; locates and repairs faulty equipment swiftly in order to reduce inoperative time to a minimum; locates trouble before dismantling and makes repairs which insure proper functioning after assembly. Performs complex repairs such as installing and fitting connecting rods, crank shafts, piston rings, bearings, and bushings; overhauling valves by adjusting or replacing gaskets, springs, floats, diaphragms, valve fittings, seals, and couplings; and aligning motors and flywheel drives. Checks out the refrigeration cycle of a variety of commercial and industrial systems to locate and check elements such as those that control low side and high side pressure; the temperature of the cooling units; the temperatures of the liquid and suction lines; and the running time of the various mechanisms. Examines equipment components visually and audibly for the probability of leaks; and performs prescribed test procedures and explores probable reasons for equipment failure. Identifies faulty equipment causes and makes repairs on large systems that provide for a variety of air conditioning functions such as heating, cooling, humidifying, dehumidifying, cleaning, filtering, and circulating. These systems use a variety of methods of air conditioning such as mechanical compression, vapor compression, absorption, and steam jet or air cycle. Performs other related duties as assigned.

Work Schedule: 3:30 PM to 12:00 AM Wednesday-Sunday

Position Description Title/PD#: Air Conditioning Equipment Mechanic/PD02036A

Physical Requirements: The work requires carrying of equipment, tools and testing devices that seldom weigh over 50 pounds. Most of the equipment can be reached from the floor or from ladders. Occasionally, platforms and scaffolding are needed to reach parts of the systems such as fans, electrical and water lines and duct work. The incumbent is required to stoop, stretch, bend, kneel and work in tiring and uncomfortable positions.

Working Conditions: The incumbent is regularly required to work out of doors on the roofs of buildings exposed to extremes of temperature and inclement weather. Regularly exposed to indoor temperature extremes and required to work with high pressure steam, high pressure water and hot water. Regularly required to perform duties which involve potential exposure to oxygen depleting refrigerant gases, dangerous chemicals, harmful vapors and harmful fumes. Noise levels in the work areas can be high, sometimes requiring the use of hearing protection equipment. Regularly exposed to the possibility of burns, cuts, bruises, scrapes and falls.

US Department of Veterans Affairs