Heating procedure. 1.5.1.1. The service brakes of all vehicles shall be tested by successively applying and releasing the brakes a number of times, the vehicle being laden, in the conditions shown in the table below: Conditions v1 (km/h) v2 (km/h) t (sec) n 80 % vmax 120 0.5 v1 45 15 Where: v1 = initial speed, at beginning of braking v2 = speed at end of braking vmax = maximum speed of the vehicle n = number of brake applications t = duration of a braking cycle: time elapsing between the initiation of one brake application and the initiation of the next.
