Air Conditioning Mechanic apprenticeship

Description of the apprentice process of an Air Conditioning Mechanic

Air Conditioning Mechanic

Task Hours
A. Air condition shop procedures and job related safety. 100
B. Familiarization with air condition specialty tools and equipment in system test and shop use. 100
C. Drive belt and drive pulley component R&R; component diagnosis; belt tension procedures. 200
D. Air condition system electric circuit problem diagnosis; repair procedures, printed circuit problem diagnosis. 300
E. Air condition system vacuum circuit problem diagnosis repair procedures. 300
F. Electric motor R&R; component problem diagnosis. 100
G. Air condition system purging and charging procedures. 200
H. Air condition compression and clutch R&R; component problem diagnosis. 250
I. Air condition compressor and clutch rebuild procedures. 250
J. Air condition automotive temperature control problem diagnosis. 200
(Every 2,000 hours = one year) Total Hours: 2,000

DOT code: 620.281-010, AIMS code: 0686

Visit the Occupational Outlook Handbook for a detailed description of this trade. Type the trade name in the search box and hit enter.

Description
Installs and repairs automotive air‑conditioning units: Bolts compressor to engine block and installs driving pulley on front end of crankshaft. Places fan belt on pulleys, adjusts tension, and tightens bolts. Bolts evaporator unit under dashboard or in trunk. Welds or bolts mounting brackets to automobile frame. Drills holes through interior panels, threads hoses through holes and connects hoses to compressor, evaporator, and cool‑air outlet. Fills compressor with refrigerant and starts unit. Measures compressor pressure to determine efficiency of compressor, using gauge. Listens to operating unit for indications of malfunction. Removes faulty units from vehicles, disassembles them, and replaces worn and broken parts and fluid in unit. Makes electrical connections as required.

Work process schedule

Task Hours
A. Air condition shop procedures and job related safety. 100
B. Familiarization with air condition specialty tools and equipment in system test and shop use. 100
C. Drive belt and drive pulley component R&R; component diagnosis; belt tension procedures. 200
D. Air condition system electric circuit problem diagnosis; repair procedures, printed circuit problem diagnosis. 300
E. Air condition system vacuum circuit problem diagnosis repair procedures. 300
F. Electric motor R&R; component problem diagnosis. 100
G. Air condition system purging and charging procedures. 200
H. Air condition compression and clutch R&R; component problem diagnosis. 250
I. Air condition compressor and clutch rebuild procedures. 250
J. Air condition automotive temperature control problem diagnosis. 200
(Every 2,000 hours = one year) total hours: 2,000

Related technical instruction

The Commonwealth of Massachusetts requires 150 hours each year of related technical instruction which must be mastered by the apprentice in order to successfully complete the program. For further information, please call the Division of Apprentice Standards at (617) 626-5409.

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