INSPECTION
THERMOSTAT CHECK
1.
Immerse the thermostat in water, and heat the water while stirring. Check the thermostat valve opening temperature.
Standard value:
Valve opening temperature: 87 ± 2°C (189 ± 3°F)
2.
Check that the amount of valve lift is at the standard value when the water is at the full-opening temperature.
note
Measure the valve height when the thermostat is fully closed, and use this measurement to compare the valve height when the thermostat is fully open.
Standard value:
Full-opening temperature: 95°C (203°F)
Amount of valve lift: 8 mm (0.3 inch) or more
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