Inspection After Removal
- Check valve seating condition at room temperature. It should seat tightly.
- Check valve operation.
- Place a thread (A) so that it is caught in the valve of the thermostat (1). Immerse fully in a container filled with water (B). Heat while stirring.
- The valve opening temperature is the temperature at which the valve opens and falls from the thread.
- Continue heating. Check the full-open lift amount.
- After checking the full-open lift amount, lower the water temperature and check the valve closing temperature.
- If the thermostat is out of specification, replace it.
| Items | Thermostat |
|---|---|
| Valve opening temperature | Refer to THERMOSTAT . |
| Full-open valve lift amount | Refer to THERMOSTAT . |
| Valve closing temperature | Refer to THERMOSTAT . |