1 / 48

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.

lixue
Download Presentation

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

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  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

More Related