Precautions For Handling Leak Detector

When performing a refrigerant leak check, use a J-41995 A/C leak detector or equivalent. Ensure that the instrument is calibrated and set properly per the operating instructions.

The leak detector is a delicate device. In order to use the leak detector properly, read the operating instructions and perform any specified maintenance.

Fig 1: Typical A/C Leak Detector

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1. Position probe approximately 5 mm (3/16 in) away from point to be checked.
   Fig 2: Proper A/C Leak Detector Probe Positioning (1 Of 3)

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2. When testing, circle each fitting completely with probe.
   Fig 3: Proper A/C Leak Detector Probe Positioning (2 Of 3)

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3. Move probe along component approximately 25 to 50 mm (1 to 2 in)/sec.
   Fig 4: Proper A/C Leak Detector Probe Positioning (3 Of 3)

   Courtesy of NISSAN MOTOR CO., U.S.A.