90
DRIVING OPERATION
F11N022 F11023
AIR BRAKES OF TRAILERS AND
ARTICULATED TRAILERS
Air brakes of trailers (articulated trailers)
control and control of tractor brakes is
done so that braking effect of both vehi-
cles is synchronized.
Working pressure is set by pressure reg-
ulator to 740 ± 20 kPa. When the pres-
sure drops below 550 - 40 kPa by-pass
valves, puts auxiliary devices out of op-
eration (differential lock, engagement of
front drive axle).
WARNING SIGNALIZATION OF AIR
PRESSURED DROP
Air pressure drop below 450 kPa is sig-
nalized by alit red control bulb placed on
a dashboard.
Tractor with braked trailer or ar-
ticulated trailer with pressured
drop in air pressure system under
450 kPa must not continue in
transport if there is not increase in
air pressure.
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