Fig. 2.215. Removal of the thermostat: 1 – bypass hose; 2 – lower hose; 3 – thermostat assembled; 4 bolts of fastening of the thermostat

Bind a thread so that it was fixed for working parts of the thermostat. Completely ship the thermostat in the container with water. Warm up, stirring up (fig. 2.215).

Fig. 2.216. Immersion of the thermostat in the container with water

Temperature of opening of the valve is the temperature at which the valve opens and falls from a thread (fig. 2.216).

Continue to heat. Check rise height at full opening.

After check of height of rise at full opening reduce water temperature and check temperature of closing of the valve.