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RUNNING GEAR OPERATION
30
Operating instructions • Box Liner • 515108039-02 • 11/2018
INFO
The trailer may only be towed by tractor
units that ensure the effectiveness of the
EBS system. The EBS system includes
the ABS function (automatic anti-lock sys-
tem ABS), the ALB function (automatic
load-dependent braking), and the RSS
function (vehicle stabilization for air-sus-
pended vehicles). Full EBS functionality is
only ensured when used in conjunction
with tractor units equipped with EBS
equipment (ISO 7638 socket, 7-pin).
Also observe the enclosed supplier
documentation.
KRONE trailers are equipped with a brake
system according to the current version of
UN-ECE Regulation 13.
A system check of the electronic brake
system (EBS) is performed upon turning on
the ignition in the tractor unit and during
the trip. Errors in the EBS brake system
are displayed via a warning lamp/warning
display on the tractor unit's dashboard. The
warning lamp/warning display lights up
after turning on the ignition. If no error is
detected, the warning lamp/warning display
turns off after approx. two seconds.
If an error was detected during the last trip
(e.g. sensor error), the warning lamp/warn-
ing display lights up and turns off if the
speed is > 7 km/h.
► If the warning lamp/warning display
does not turn off at the start of the trip
either, have the fault repaired by a
specialist workshop.
The brake system has two independent
brake circuits:
○
Service brake
○
Parking brake
5.6.1
Service brake
INFO
Repeated operation of the service brake
when the supply lines are uncoupled uses
up compressed air from the air reservoir.
The trailer is then only partially braked
(depending on the air supply).
When the supply conduit is unhitched, the
trailer is automatically braked. The black
control knob on the control unit can be
used to release the service brake to man-
oeuvre the trailer without a connected com-
pressed air supply
trailer without a connected compressed air sup-
ply", pg. 60)
.
505821725-01
7
5
6
11
10
8
4
2
1
9
3
< 5"
7
5
6
11
10
8
4
2
1
9
3
+
> 5"
500626977-01
P
P
515040284-01
Senken / Stopp / Heben
Lower / Stop / Raise
Abgesenkt
Lowered
Fahrt
Drive
500626979-01
1
Fig. 5-11:
Service brake
1
Black control knob (manoeuvring)
Disengaging the service brake
► Press the black control knob.
ü
The service brake is disengaged.
ü
If the parking brake is also released,
the trailer is not braked.
Applying the service brake
► Pull out the black control knob.
ü
The service brake is applied.
ü
The trailer is partially braked (depend-
ing on the air supply).
Connecting the supply conduit will auto-
matically push out the black control knob to
the driving position again.