THERMOSTAT INSPECTION

PROCEDURE


  1. INSPECT THERMOSTAT

    A002PCL

    Tech Tips

    The valve opening temperature is inscribed on the thermostat.


    1. A002MLR

      Immerse the thermostat in water and then gradually heat the water.

    2. Check the valve opening temperature of the thermostat.

      Valve opening temperature
      80 to 84°C (176 to 183°F)

      If the valve opening temperature is not as specified, replace the thermostat.

    3. A002MTVE29
      *1 10 mm

      Check the valve lift.

      Valve lift
      10 mm (0.394 in.) or more at 95°C (203°F)

      If the valve lift is not as specified, replace the thermostat.

    4. Check that the valve is fully closed when the thermostat is at low temperatures (below 40°C (104°F)).

      If it is not fully closed, replace the thermostat.