Process of operating the air conditioning system of a cab of a machine

摘要: Process of operating the air conditioning system (5) a cab (1) vehicle, said air-conditioning comprising: circuit (9) for supplying with coming at least partially from exterior cab; blowing device (10) an flow inside circuit; filtration means (11a, 11b) removing pollutants blown into through process comprising regular procedure wherein is operated to blow supplied by circuit, test efficiency 11b), provides for: spraying identified fluid upstream whilst (9); monitoring location (22) downstream detection possible presence sprayed one appropriate sensor provided location; and providing signal representative upon such presence.