COOLING SYSTEM - M.11
3.
Remove the thermostat — see Fig. M.14.
Testing the Thermostat
If it is suspected that the thermostat is not operating
correctly it should be tested in the following manner:—
1.
Immerse the thermostat in a suitable container
of water and gradually heat. Check the water
temperature at frequent intervals with an
accurate thermometer. The valve should
commence to open at the temperature stamped
on the top face of the thermostat adjacent to the
valve seat.
2.
If the thermostat does not function properly, no
adjustment is possible. Replace with a new unit.
