The invention relates to an adjusting device (1) for a beverage filling system and method for cleaning an adjusting device comprising a rotating element (2) and a translation element (3). The translation element can move horizontally by the rotation of the rotating element (2), and the rotating element (2) and/or the translation element (3) are/is provided with cleaning grooves (4). The contact area between the translation element (3) and the rotating element (2) can be cleaned by the cleaning grooves.