A SERVICE OF

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COOLING SYSTEM 4-17
Thermostat
•
To check valve opening temperature, suspend the ther-
mostat [A] and an accurate thermometer [B] in a container
of water with the heat-sensitive portions [C] in almost the
same depth.
NOTE
○
The thermostat m ust be completely submerged and the
thermostat and thermometer must not touch the con-
tainer sides or bottom.
•
Gradually raise the temperature of the water while stirring
the water gently for even temperature.
If the measurement is out of the specified range, replace
the thermostat.
Thermostat Valve Opening Temperature
69.5 ∼ 72.5°C (157 ∼ 162°F)