The arrangement (92) includes a first butt (96) and a second butt (108) which is adjustable along with the first butt in a second distance, after the first butt has been shifted a first distance. A first spring (106) presses the first butt away from the second butt. A second spring (116) presses the second butt towards the first butt. An elastic component (122, 124) is arranged in a contact position between the first butt and the second butt. The arrangement includes a first butt adjustable in response to a pressure (PMC) from the main cylinder (12) in a first (G1) and a second distance (G2), and a second butt which is adjustable along with the first butt in the second distance, after the first butt has been shifted the first distance. A first spring presses the first butt away from the second butt. A second spring presses the second butt towards the first butt. An elastic component is arranged in a contact position between the first butt and the second butt.
