ATC 347 - Chrysler Heating & AC

1. Demonstrate knowledge of refrigeration principles
   1. Explain laws governing heat and temperature
   2. Discuss the history of air conditioning
   3. Identify the refrigeration circuit
2. Demonstrate an understanding of laws concerning CFCs and HFCs
   1. Describe the effects of the Montreal Protocol
   2. Explain the Federal Clean Air Act
   3. Compare various refrigerants used by automotive manufacturers
   4. Complete a test for CFC recovery
   5. Understand the SAE standards that apply to air conditioning
   6. Operate refrigerant recovery and recycling equipment according to federal laws
3. Charge an air conditioning system
   1. Evacuate an air conditioning system
   2. Recharge an air conditioning system
   3. Partial charge an air conditioning system
   4. Add oil to an air conditioning system
   5. Flush a refrigerant system
4. Diagnose refrigerant system performance
   1. Inspect air conditioning system components
   2. Performance test air conditioning systems
   3. Repair refrigerant system
   4. Leak test refrigerant system
   5. Diagnose refrigerant system using pressure gauges, touch, visual inspections, and cycle time.
5. Service refrigerant system compressors
   1. Evaluate compressor seals and gaskets
   2. Readjust compressor clutch components
   3. Repair compressor clutch components
   4. Adjust drive belts and pulleys
   5. Replace compressor shaft seal assemblies
   6. Pressure test compressors
6. Diagnose air conditioning system controls
   1. Troubleshoot air conditioning system/heater vacuum circuits
   2. Diagnose air conditioning/heater system electrical controls
   3. Explain the operation of an automatic temperature control system
   4. Discuss the automatic temperature control system self/functional test
7. Demonstrate safe work habits
   1. Use proper eye protection
   2. Select proper tools to work in a safe manner
   3. Demonstrate a concern for the safety of fellow workers
8. Service cooling system
   1. Pressure test a cooling system
   2. Evaluate coolant condition and level
   3. Test cooling system components
9. Repair insufficient heater operation
   1. Explain heater operation
   2. Test heater performance
   3. Inspect heater controls and components
   4. Flush heater core
   5. Replace heater components