This standard specifies the product classification, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of spray-type automobile exterior cleaning machines (hereinafter referred to as cleaning machines). This standard is applicable to jet cleaning machines with a rated discharge pressure of (1.0~10.O MPa, a rated flow rate of (5~40)L/min, and a working medium of normal temperature water, which are used to remove dirt and oil from the exterior of automobiles.