117. In the case of a pneumatic suspension, air shall be supplied to the system only where the air pressure in the braking circuit reaches 450 kPa. No air leak shall be observed in the lines and the system components. The lines and fittings shall be adequate and shall not be abraded or so cracked that the reinforcement cord is exposed, crushed, crimped, bored, excessively worn or corroded, bulged, broken or welded and the lines shall be fixed so as to prevent the lines from vibrating or chafing against adjacent parts.The balls shall be securely mounted on the structure and not be so damaged that the cord is exposed and not show signs of repair.
O.C. 1483-98, s. 117; O.C. 370-2016, s. 661.