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C3.8 Engines for Caterpillar Built Machines Caterpillar


Water Temperature Regulator

Usage:

299D3XHP AN9

  • Push down the water temperature regulator valve and put the thread between the valve and the valve seat.

  • Put the regulator and the thermometer in the container and increase the temperature of the water gradually.

  • Take the thread, and float the regulator in the water. As the water temperature rises, the valve will open, and the regulator will separate from the thread. Measure the temperature at this moment.

  • Continue to increase the temperature and read the temperature when the valve opens approximately 8 mm (0.3 inch).

    Show/hide table
    Table 1
    Valve opening temperature  Factory specification  74.5 to 78.5 °C 166.1 to 173.3 °F 
    Full opening temperature  Factory specification  90 °C 194 °F 

  • If the measurement is out of the factory specifications, replace the regulator.

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