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THERMOSTAT INSPECTION

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PROCEDURE


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    INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY


    1. Check the valve opening.

      B004T4A
      Tip:

      The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly.


      1. B004X1M

        Add 15 cc (0.9 cu.in.) of water to the water inlet with thermostat sub-assembly from the inlet pipe side.

      2. Confirm that water does not flow out from the valve side of the water inlet with thermostat sub-assembly.

        If water flows out from the valve side of the water inlet with thermostat sub-assembly, replace the water inlet with thermostat sub-assembly with a new one.

      3. B004SY4

        Immerse the water inlet with thermostat sub-assembly in water that is between 87°C (185°F) and 91°C (196°F) for 5 minutes or more.

        Note:

        • Make sure that the end of the inlet pipe of the water inlet with thermostat sub-assembly is not facing downward.

        • Make sure to immerse the water inlet with thermostat sub-assembly in the water as shown in the illustration.

      4. B004UN8

        Leave the water inlet with thermostat sub-assembly at ambient temperature for 5 minutes so that the valve closes.

        Note:

        Make sure that the end of the inlet pipe of the water inlet with thermostat sub-assembly is not facing downward.

      5. Check that the water that was added to the water inlet with thermostat sub-assembly has completely flowed out.

        If the water that was added to the water inlet with thermostat sub-assembly has not completely flowed out, replace the water inlet with thermostat sub-assembly with a new one.