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Air Conditioning Unit: Inspection

  1. CHECK EVAPORATOR AND HEATER RADIATOR FINS FOR BLOCKAGE 

    If the fins are clogged, clean then with compressed air.

    NOTE: Never use water to clean the evaporator.
  2. CHECK FITTINGS FOR CRACKS OR SCRATCHES 

    Repair as necessary.

  3. INSPECT AIR OUTLET DAMPER CONTROL SERVOMOTOR CIRCUIT (See  AIR VENT MODE DAMPER CONTROL SERVOMOTOR CIRCUIT  ). 
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