Maintenance videos Change Fixed Filter holder O ring Change group gasket Prime of the circuit Descale machine Gasket cleaning Dream Prime the circuit Change group gasket and shower Descaling every 3-6 months Steel PID Prime the circuit Change group gasket and shower Descaling every 3-6 months Dream PID Replace the group gasket Daily group cleaning Commercial machines How to change the flat blades How to change the conic blades Cleaning the blades Grinders Clean portafilter Clean grinder Clean the coffee group