7.1 Opening temperature of thermostat
Add a piece of line between valves of thermostat, put thermostat and a temperature gauge into
a barrel. Heat the water in barrel gradually, hold on the line and hang thermostat in air.
Thermostat will open as the water temperature increases, please read the temperature. Go on
heating, when the thermostat opens for about 6mm, then read again the temperature. If the
temperature is not in the leaving factory range, you should replace thermostat. Refer to picture
53.
Table 25 Temperature of thermostat
Picture 53 Measure the temperature of thermostat
7.2 Check water leakage of radiator
Fill some water into radiator, install radiator tester, and increase water pressure to 137kPa.
Check the water leakage of radiator, if the water leakage is too much, please replace radiator. If
the water leak hole is small, please adjust with radiator filling agent. Refer to picture 54.
Picture 54 Check water leakage of radiator
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