Air Brakes Of Trailers And Articulated Trailers; Warning Signalization Of Air Pressured Drop - Zetor FORTERRA HSX 120 Operator's Manual

DRIVING OPERATION

Air brakes of trailers and articulated trailers

Control of air brakes of trailers (or semi-trailers) and control of the tractor brakes is performed so that the
braking effect of both vehicles is synchronized.
The operating pressure is set by the pressure regulator to the value of 740 ± 20 kPa. If the pressure drops
below 550 - 40 kPa, secondary appliances are put out of operation by the by-pass valve.
FCL20S5021

Warning signalization of air pressured drop

Air pressure drop below 4,5bar is signalized by alit red
control bulb placed on a dashboard.
Tractor with braked trailer or articulated trailer
with pressured drop in air pressure system
under 4,5bar must not continue in transport if there is
not increase in air pressure.
P18N013
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