The invention relates to an automatic cleaning process, carried out during cleaning sequences during which all or at least part of an element to be cleaned is cleaned, each element to be cleaned being positioned inside a controlled atmosphere booth belonging to a coating facility. The cleaning sequences of the element(s) are programmed during imposed production stoppages of the facility.The invention also relates to a drying station, intended to be positioned inside a booth with a controlled atmosphere belonging to a coating facility, this drying station being dimensioned to receive all or part of a spraying robot, comprising a moving arm at the end of which a handle and a sprayer attached on the handle are provided.