952.5-0000010 OM
127
4.7.3.2 Adjustment of hydraulic actuator of trailer brakes
The adjustment of the hydraulic actuator of trailer brakes consists in adjustment of a
rod 2 (Figure 4.7.3) of the brake valve 1. The dimension “A” (0.5 to 1 mm, between the pin
and the upper edge of the groove in the lever) shall be checked with the main brake ped-
als released and the parking brake fully disengaged changing it by turning the end 4 of the
rod 2. The dimension B (35 ± 1.25 mm) between the lower edge of the end 4 and the up-
per nut 3 (Figure 4.7.3) shall be provided by turning the nuts 3. After the adjustment is
completed both nuts 3 shall be locked.
1 – brake valve; 2 – rod; 3 – nut; 4 rod end.
Figure 4.7.3 – Adjustment of the rod of the brake valve of the trailer brake hydraulic actua-
tor
ATTENTION: THE ADJUSTMENT OF THE BRAKE VALVE ACTUATOR SHALL BE
CARRIED OUT WITH THE SERVICE BRAKE PEDALS RELEASED AND THE PARKING
BRAKE FULLY DISENGAGED, WHICH SHALL BE PREVIOUSLY ADJUSTED!
B
