Open the marked screws and remove the gearbox on the opposite side of the machine. Replace the defective gear wheels and, if necessary, the micro switches. Please, always replace both gear wheels. Please, consider the positioning of the gear! When mounting new gear wheels, the pointer should point to the shaft of the small gear wheel. The machine adjusts the wheels automatically when starting the machine again. Switch cam for basic position of the gear Micro switch for basic position of the gear Micro switch for brewing position of the gear Switch cam for brewing position of the gear Please position the marking arrow as shown on the picture!!!! This is only applicable for the models of the following series: all Saeco Magic models, all Royal models, Saeco Stratos, Bosch Solitaire, Siemens TK55002, and some other models of the same design, e.g. Rotel, etc.