Division 2.2.1.18.6 F1
United Kingdom
In the case of a failure (e.g. fracture or leak) in the control line, the pressure in the supplementary line shall fall to 1 000 kPa within the following two seconds after the service brake control device has been fully actuated. In addition, when the service brake control device is released, the supplementary line shall be re-pressurised (see also point 2.2.2.15.2).