Division 5.2.1 Service braking system United Kingdom Original text. Later amendments are not shown. 5.2.1.1Division 5.2.1.1 5.2.1.2Division 5.2.1.2 5.2.1.3Division 5.2.1.3 ← Division 5.2 Division 5.2.1 Division 5.2.1.1 →