This document specifies the safety requirements and their verification for the design and building of machines (see the definition in 3.1) for mounting and demounting tyres on the vehicles listed below and identified according to the international categories M1, M2, N1, O1, O2, L4 and L5: a) cars b) buses c) lorries d) motor-vehicles for specific or special transport e) mobile homes f) cargo trailers g) car trailers h) motorised quadricycles i) motor vehicles j) mopeds k) agricultural machines (if the wheel/tyre dimensions are compatible with the maximum dimensions indicated in the tyre changer user instructions) The vehicles listed in points a) to f) have an overall full-load mass no greater than 3,5 t.