10 March 1978
| Element | Work Processes | Hours |
| A | General Trade Orientation-- (1) Care and use of tools, test and measurement devices. (2) Introduction to refrigeration components, types and sizes of piping, tubing, fittings. (3) Use of Equipment records and reports. (4) Safety procedures. | 300 |
| B | Fabrication of System Components-- (1) Cut, and threat piping. (2) Flare, bend and shape tubing. (3) Solder, braze, install fittings and components. (4) Care and use of oxyacetylene and prestolite torches. (5) Use of silver and soft soldering. | 500 |
| C | System Installation and Connection-- (1) Install electrical connections, supply lines and cables. (2) Install water service line, air supply ducts, steam line and return line, steam traps and strainers. (3) Install pressure reduction, expansion, evaporator, and stop valves. (4) Install suction and discharge lines, gauges, dehydrators, filters, strainers and controls. | 1500 |
| D | Equipment Installation-- (1) Use of slings, lines, blocks and falls, chain hoists, rollers, dollies and skids. (2) Install condensers. (3) Prepare compressor and motor bases; install and align compressors and motors. (4) Install evaporators and other cooling coils. (5) Install and align centrifugal pumps and pump bases. | 1000 |
| E | System Maintenance-- (1) Troubleshoot field systems. (2) Test pressure, flow, etc. (3) Check liquid levels. (4) Check, repair leaks (freon, liquid). (5) Purge, dehydrate, charge systems. (6) Repair, align, adjust fans and blower sections. (7) Align pulleys, bearing blocks, belt tension. | 1000 |
| F | Equipment Repair-- (1) Disassemble and clean, repair/renew, perform shop tests and test run compressor. (2) Repair, pressure test, dehydrate evaporators. (3) Repair acidize condensers, roll condenser tubes. (4) Remove, replace, disassemble, test, clean, calibrate, renew defective parts on controls of all types: pneumatic, electrical electro-pneumatic, thermostatic, humidity, pressure and vacuum. | 3000 |
| G | Machine Shop Skills-- Use of grinders, drill pressures, lathes, tool and drill sharpening machines. | 200 |
| H | Specializations | 500 |
| Grand | Total | 8000 |
Special Instructions: Work processes completed in a state or federally recognized apprenticeship program will be accepted upon presentation of proper documentation to the appropriate service school.
A total of 576 hours of related instruction is required in order to complete this program. Related instruction credit may be awarded individuals registered in the trade of Refrigeration/Air-Conditioning Repairer/Servicer taken from an accredited institution, providing the courses are similar to the courses taken for a Refrigeration/Air-Conditioning Repairer/Servicer program in a community college/vocational school.
End of Pamphlet 621-115 Refrigeration/Air-Conditioning Repairer/Servicer
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