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2013 NATEF Task Area A-7 Heating, Ventilation, and A/C 7-2013

2013 NATEF Task Area A-7 Heating, Ventilation, and A/C 7-2013. A. A/C System Diagnosis & Repair B. Refrigeration System Component D & R C. Heating, Ventilation & Engine Cooling D. Operating Systems & Related Controls E. Refrigerant Recover, Recycle & Handle.

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2013 NATEF Task Area A-7 Heating, Ventilation, and A/C 7-2013

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  1. 2013 NATEF Task Area A-7 Heating, Ventilation, and A/C7-2013 • A. A/C System Diagnosis & Repair • B. Refrigeration System Component D & R • C. Heating, Ventilation & Engine Cooling • D. Operating Systems & Related Controls • E. Refrigerant Recover, Recycle & Handle

  2. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Identify & interpret heating and air conditionng system concern; determine necessary action. A7.A.1 P-1

  3. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Research applicable vehicle and service information, such as heating and air conditioning system operation, vehicle service history, service precautions, and technical service bulletins. A7.A.2 P-1

  4. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Complete work order to include customer information, vehicle identifying information, verify customer concern, related service history, cause, & correction. “Oldie”

  5. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, calibration decals). “Oldie”

  6. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Performance test A/C system; diagnose A/C system malfunctions using principles of refrigeration. Identify Components Only - MLR A7.A.3 P-1

  7. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Identify abnormal operating noises in the A/C system; determine necessary action. A7.A.4 P-2

  8. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Identify refrigerant type; select and connect proper gauge set; record pressure readings. A7.A.5 P-1 Low Side Blue Gauge Compound Gauge Pressure & Vacuum High Side Red Gauge Pressure Gauge up to 300 PSIG

  9. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Leak test (electronic & dye) A/C system; determine necessary action. A7.A.6 P-1

  10. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect the condition and quantity of refrigerant oil removed from system; determine necessary action. A7.A.7 P-2

  11. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Determine recommended oil and oil capacity for system application. A7.A.8 P-1

  12. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Using scan tool, observe and record related HVAC data and trouble codes. A7.A.9 P-3

  13. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.1 Inspect and replace A/C compressor drive belts, pulleys, and tensioners; determine necessary action. P-1

  14. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.2 Inspect, test, and/or replace A/C compressor clutch components and/or assembly; check compressor clutch air gap; adjust as needed. P-1

  15. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.3 Remove, inspect, and reinstall A/C compressor and mountings; determine recommended oil quantity. P-2

  16. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.4 Identify hybrid vehicle A/C system electrical circuits, service and safety precautions. P-1

  17. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.5 Determine need for A/C system filter; perform necessary action. P-3

  18. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.6 Remove and inspect A/C system mufflers, hoses, lines, fittings, o-rings, seals, and service valves; perform necessary action. P-2

  19. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.7 Inspect A/C condenser for airflow restrictions; perform necessary action. P-1

  20. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.8 Remove and install receiver/drier or accumulator/drier; determine required oil quantity. P-2

  21. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.9 Remove, inspect, and install expansion valve or orifice (expansion) tube. P-1

  22. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.10 Inspect evaporator housing water drain; perform necessary action. P-1

  23. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.11 Diagnose A/C system conditions that cause the protection devices (pressure. thermal, and PCM) to interrupt system operation; determine necessary action. P-2

  24. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.12 Determine procedure to remove and reinstall evaporator; determine required oil quantity. P-2

  25. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems A7.B.13 Remove, inspect, and reinstall condenser; determine required oil quantity. P-2

  26. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect engine cooling and heater systems hoses; perform necessary action. A7.C.1 P-1

  27. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect and test heater control valve(s); perform necessary action. A7.C.2 P-2

  28. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Diagnose temperature control problems in the heater/ventilation system; determine necessary action. A7.C.3 P-2

  29. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Determine procedure to remove, inspect, and reinstall heater core. A7.C.3 P-2

  30. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Perform cooling system pressure tests; check coolant condition, inspect and test radiator, pressure cap, coolant recovery tank, and hoses; perform necessary action. “Oldie”

  31. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect, test, and replace thermostat and housing. “Oldie”

  32. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Determine coolant condition and coolant type for vehicle application; drain and recover coolant. “Oldie”

  33. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Flush system; refill system with recommended coolant; bleed system. “Oldie”

  34. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect & test fan, fan clutch, fan shroud, air dams; perform necessary action. “Oldie”

  35. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect and test electric fan, fan control system and circuits; determine necessary action. “Oldie”

  36. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Diagnose malfunctions in the electrical controls of heating, ventilation, and A/C systems; determine action. “Oldie”

  37. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect and test A/C-heater blower, motors, resistors, switches, relays, wiring, and protection devices; perform necessary action. A7.D.1 P-1

  38. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Diagnose A/C compressor clutch control systems; determine necessary action. A7.D.2 P-2

  39. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Diagnose malfunctions in the vacuum, mechanical, and electrical components and controls of the heating, ventilation, and A/C (HVAC) system; determine necessary action. A7.D.3 P-2

  40. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect and test A/C-heater control panel assembly; determine necessary action. A7.D.4 P-3

  41. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect and test A/C-heater control cables, motors, and linkages; perform necessary action. A7.D.5 P-3

  42. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Inspect and test A/C-heater ducts, doors, hoses, cabin filters, and outlets; perform necessary action. A7.D.6 P-1

  43. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Identify the source of A/C system odors. A7.D.7 P-2

  44. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Check operation of automatic and semi-automatic heating, ventilation, and air-conditioning (HVAC) control systems; determine necessary action. A7.D.8 P-2

  45. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Perform correct use and maintenance of refrigerant handling equipment according to equipment manufacturer’s standards. A7.E.1 P-1

  46. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Identify and recover A/C system refrigerant. A7.E.2 P-1

  47. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Recycle, label, and store refrigerant. A7.E.3 P-1

  48. NATEF Task Area A-7 Heating, Ventilation, and Air Conditioning Systems Evacuate and charge A/C system; add refrigerant oil as required. A7.E.4 P-1

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