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Trailer and semi-trailer air brakes
Trailer (semi-trailer) air brakes control and tractor brakes
control is done in such a way that the braking effect of
both vehicles is synchronized.
When travelling with a connected trailer or
semi-trailer foot brake pedals must be connected and
secured with a flap! When braking with a single brake
pedal, air brakes of a trailer are not in operation.
Note: When travelling down a steep slope with a trailer or
semi trailer equipped with air brakes, it is necessary to
brake with a foot brake before the descent starts!
Notification signalization of air pressure drop
If the air pressure in the air brake system falls under
a critical limit, a red indicator on the dash board comes on.
In case the pressure in the air-pressure system
drops under a critical limit (the indicator comes on),
the tractor with a braked trailer or semitrailer is not
allowed to continue operation until the air pressure
increases.
Single hose air brakes for trailer
Connecting head of single hose brakes (1) is located on
the rear panel of quick-couplers.
Connecting head must be closed with flaps
after disconnection or without a connected trailer,
semi trailer.
Operation pressure is set by control valve to 600 ± 20
kPa.
When connecting the trailer (semi trailer) with
maximum permitted weight approved for the type of
tractor at stake is the maximum set speed of 30
km/h! Maximum permitted speed of set is given by
maximum permitted speed of the slower vehicle of the
set.
DRIVING OPERATION
43
NM13N097
NM14D039
NM13N059
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