Division 1.1 F1

A hydraulic connection of the single-line type may be installed on the tractor which is equipped with either of the following:

1. (a)

   any of the connection types referred to in point 2.1.4 of Annex I;

2. (b)

   any of the connection types referred to in points 2.1.5.1.1, 2.1.5.1.2 and 2.1.5.1.3 of Annex I. In this case, in order to avoid a duplication of a connector, the male connector of the hydraulic connection of the single-line type may be the male connector described in point 2.1.5.1.1 of Annex I, provided that the pressures that are generated on that connector comply with points 1.1.1, 1.1.2 and 1.1.3.

1. 1.1.1.

   F2In the case that a control line and a supplementary line of a towed vehicle are connected, the pressure pm generated shall be in accordance with Diagram 2 of Appendix 1 to Annex II.

2. 1.1.2.

   In the case that a towed vehicle with a hydraulic connection of the single-line type is connected, the pressure pm generated shall be in accordance with point 2 or 3 of this Annex.

3. 1.1.3.

   Detection of connected lines in points 1.1.1 and 1.1.2 shall be done by automatic means.