1 – air supply nozzles on a windshield, 2 – air supply nozzles on forward side glasses,
3 – side nozzles of air supply, 4 – central nozzles of air supply, 5 – air supply nozzles in legs
Good visibility is of great importance for safety of the movement that can be reached only when all glasses are purified of ice, there is no snow and fogging of glasses.
The greatest heating of salon and the most bystry purification of glasses of fogging are possible only at achievement by the engine of working temperature.