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RUNNING GEAR OPERATION
Operating instructions • Box Liner • 515108039-02 • 11/2018
31
5.6.2
Parking brake
NOTE
Property damage by driving with the
parking brake applied!
Driving with the parking brake applied will
damage the trailer's brakes and axles
after a short time.
► Disengage the parking brake before
starting the trip.
The parking brake is its own brake circuit.
It is applied via the brake cylinder's spring
storage parts.
The parking brake must be actuated manu-
ally. Before unhitching and for parking, the
trailer must be braked using the red control
knob.
To tow or manoeuvre without compressed
air, the parking brake can be disengaged
with the emergency release system
"5.6.3 Emergency release devices for the park-
ing brake", pg. 31)
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. 5-12:
Parking brake
1
Red control knob (park)
Applying the parking brake
► Pull out the red control knob.
ü
The parking brake is applied
ü
The trailer is braked and can be
parked.
Disengaging the parking brake
!
WARNING
Possible risk of accidents when releas-
ing the parking brake with the service
brake released at the same time!
The trailer is not braked if the parking
brake and the service brake are released
at the same time. The trailer is not braked,
it can roll away and cause an accident.
► Only release the service and parking
brake at the same time when a towing
or manoeuvring vehicle is connected
to the trailer.
► Additionally secure the trailer with
wheel chocks when parking or stand-
ing on slopes.
INFO
The parking brake does not disengage
automatically. Prior to starting off it must
be disengaged manually.
þ
The trailer is hitched.
þ
The supply and control lines are con-
nected.
► Press the red control knob.
ü
The parking brake is released and the
trailer is not braked.
5.6.3
Emergency release devices for
the parking brake
!
WARNING
Risk of accident due to rolling away!
When the emergency release device is
activated, the parking brake does not
function. When it is not braked, the trailer
can roll away and cause serious injuries
and material damage.
► Only release the service and parking
brake when a towing or manoeuvring
vehicle is connected to the trailer.
► Use wheel chocks to prevent the
trailer from rolling away.
► Insert the emergency release screw in
its holder before starting to drive.