Cleaning method for cleaning a filling machine and filling machine for carrying out the cleaning method

A cleaning method for cleaning a filling machine for filling at least to one side open packs with products, wherein the filling machine has a transport device for transporting the at least to one side open packs by means of the filling machine,

• in which a first plurality of at least to one side open packs is transported at least partially through the filling machine by a transport device and the first plurality of at least to one side open packs is filled by at least one filling outlet while being transported at least partially through the filling machine,
• in which a cleaning device having at least one nozzle for dispensing cleaning medium is transported at least partially through the filling machine by the transport device and the cleaning device dispenses cleaning medium for cleaning the filling machine while being transported at least partially through the filling machine,
• in which, after the cleaning of the filling machine, a second plurality of at least to one side open packs is transported at least partially through the filling machine by means of the transport device and the second plurality of at least to one side open packs is filled by the at least one filling outlet while being transported at least partially through the filling machine, and
• in which, after the first plurality of at least to one side open packs are filled, the cleaning device is connected to the transport device and/or a supply line and/or
• in which the cleaning device is separated from the transport device and/or the supply line after the cleaning medium has been dispensed in the filling machine.