THERMO VALVE INSPECTION [SKYACTIV-D 2.2]

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Note

•  Shine light into the thermo valve from the direction shown in the figure and inspect.

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1.  Remove the thermo valve. (See THERMO VALVE REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

2.  Inspect the thermo valve at normal temperature. (See Inspection at Normal Temperature.)

3.  Inspect the thermo valve at high temperature. (See Inspection at High Temperature.)

4.  Install the thermo valve. (See THERMO VALVE REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

Inspection at Normal Temperature

Caution

•  Because it is necessary to let the temperature of the thermo valve reach normal temperature before inspection, place the thermo valve into water completely.

1.  Place the thermo valve into a container filled with water.

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2.  Remove the thermo valve from the container.

3.  Shine light into the thermo valve from the direction shown in the figure and verify the element condition.

•  The element is not visible at normal temperature.

•  If the element is visible, replace the thermo valve because there is a malfunction in the thermo valve.

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Inspection at High Temperature

Warning

•  The thermo valve and water reach high temperatures during the following inspection. Do not touch the thermo valve and water directly. Otherwise, it could cause severe burns.

Caution

•  Be aware of the following points to perform the inspection normally.

―  Place the thermo valve into water completely.

―  Be careful that the water temperature does not decrease lower than 80 °C {176 °F}.

1.  Place the thermo valve into a container filled with water of 90 °C {194 °F} or more and wait for 5 min.

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2.  Remove the thermo valve from the container.

3.  Shine light into the thermo valve from the direction shown in the figure and verify the element condition.

•  The element is visible at high temperature.

•  If the element is not visible, replace the thermo valve because there is a malfunction in the thermo valve.

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