HVAC Mechanic

HVAC Mechanic at Lyster Army Health Clinic, Ft Rucker, Al

Tends heating, ventilation & cooling equipment such as fans, vacuum pumps, air compressors, vents and ducts, and lubrication oil coolers used in buildings or industrial processes by performing the following duties:

Responsibilities include the following. Other duties may be assigned.

• Installs, services and repairs environmental-control systems in residences, office buildings, and other commercial establishments, utilizing knowledge of refrigeration theory, pipefitting, and structural layout.
• Mounts compressors and condenser units on platform or floor, using hand tools, following blue prints or engineering specifications.
• Fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment.
• Installs evaporator unit in chassis or in air-duct system, using hand tools.
• Cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools.
• Joins tubing or pipes to various refrigerating units by means of sleeves, couplings or unions, and solders joints, using torch, forming complete circuit for refrigerant.
• Installs expansion and discharge valves in circuit.
• Connects motors, compressors, temperature controls, humidity controls and circulating ventilation fans to control panels and connects control panels to power source.
• Installs air and water filters in completed installation.
• Injects small amount of refrigerant into compressor to tests systems and adds Freon gas to build up prescribed operating pressure.
• Observes pressure and vacuum gauges and adjust controls to insure proper operation.
• Tests joints and connections for gas leaks, using gauges or soap and water solution.
• Wraps pipes in insulation batting and secures them in place with cement or wire bands.
• Replaces defective breaker controls, thermostats, switches, fuses, and electrical wiring to repair installed units, using electrician’s hand tools and test equipment.
• May install, repair and service air conditioners, ranging from fifteen to twenty tons cooling capacity.

Equal Opportunity Employer

Benefits and 401K available