Definition:
Air conditioning and refrigeration mechanics assemble, install, maintain and repair air conditioning and refrigeration systems and equipment.
Tasks include:
(a) interpreting blueprints, drawings or other specifications;
(b) assembling, installing and repairing components such as compressors, motors, condensers, evaporators, switches and gauges for air conditioning and refrigeration systems;
(c) connecting piping and equipment by bolting, riveting, welding or brazing;
(d) testing systems, diagnosing faults and performing routine maintenance or servicing.
Job Description: 1) Tests efficiency of heating and air-conditioning equipment under simulated operating conditions: Connects heating and air-conditioning equipment to facilities, such as heating units, waterlines, and spray devices to set up controlled temperature and moisture conditions. 2) Constructs cardboard air ducts and other accessories for use in testing equipment. 3) Couples gauges and instruments […]
AIR-CONDITIONING-UNIT TESTER Read More »
Job Description: 1) Assembles prepunched aluminum fin plates and copper tubing to form cooling coils for air-conditioning units, using handtools and other equipment: Places fin plates on worktable and clamps into position. 2) Inserts copper tubing through holes in fin plates. 3) Depresses switch to activate hydraulic rams, forcing them through tubes, to expand tubes
AIR-CONDITIONING-COIL ASSEMBLER Read More »
Job Description: 1) Installs and repairs automotive air-conditioning units: Bolts compressor to engine block and installs driving pulley on front end of crankshaft. 2) Places fan belt on pulleys, adjusts tension, and tightens bolts. 3) Bolts evaporator unit under dashboard or in trunk. 4) Welds or bolts mounting brackets to automobile frame. 5) Drills holes
AIR-CONDITIONING MECHANIC Read More »
Job Description: 1) Installs, services, and repairs window air-conditioning units, ranging from 1/2 to 2 tons capacity, in private residences and small establishments: Inspects existing wiring, fuses, or circuit-breaker panels on customer’s premises to ensure adequate power supply for operating air-conditioner. 2) Measures window, transom, or other existing openings for air-conditioning unit, using measuring tape
AIR-CONDITIONING INSTALLER-SERVICER, WINDOW UNIT Read More »
Job Description: 1) Assists AIR-CONDITIONING INSTALLER-SERVICER, WINDOW UNIT in repairing, servicing, or installing window-mounted air-conditioning units, performing any combination of following duties: Carries unit from delivery vehicle to work site. 2) Assembles window-support brackets, using handtools. 3) Cuts opening through wall for insertion of unit, using hammer and chisel. 4) Applies caulking compound to excess
AIR-CONDITIONING INSTALLER-SERVICER HELPER, WINDOW UNIT Read More »
Job Description: 1) Inspects, tests, adjusts, and balances heating, cooling, and ventilating systems in residential, commercial, and industrial buildings, using specialized tools and test equipment, to attain performance standards specified in system design: Studies system blueprints, specifications, and performance data to determine configuration and purpose of system components, such as motors, pumps, fans, switches, ducts,
AIR AND HYDRONIC BALANCING TECHNICIAN Read More »