A vehicle equipped with a category 3 anti-lock device shall meet all the relevant requirements of this Annex, except those of items 5.3.4 and 5.3.5. On such vehicles, any individual axle (or bogie) which does not include at least one directly controlled wh
eel must fulfil the conditions of adhesion utilization an
d the wheel-locking sequence of the Appendix to item 1.1.4.2 of Annex II, instead of the adhesion utilization requirements prescribed in item 5.2 of this Annex. However, if the relative positions of the adhesion utilization cur
...[+++]ves do not meet the requirements of item 3.1.1 of the Appendix to item 1.1.4.2 of Annex II, a check shall be made to ensure that the wheels on at least one of the rear axles do not lock before those on the front axle or axles under the conditions prescribed in items 3.1.1 and 3.1.4 of the Appendix to item 1.1.4.2 of Annex II with regard to the braking rate and the load respectively.
Cependant, si les positions relatives des courbes d'utilisation de l'adhérence ne satisfont pas aux prescriptions du point 3.1.1. de l'appendice au point 1.4.2 de l'annexe II, un contrôle peut être effectué pour s'assurer que les roues d'au moins un essieu arrière ne se bloquent pas avant dans les conditions décrites aux points 3.1.1 et 3.1.4 de l'appendice au point 1.1.4.2 de l'annexe II, en accord avec le taux de freinage et la charge.
