ROAD OPERATIONS
Operating instructions • Load Carrier • 505410638-02 • 07/2019
91
Unhitching the turnframe trailer
INFO
After uncoupling the brake lines, close off
the coupling heads and the connection
sockets for the electrical cables/power to
prevent contamination.
► Position the train as straight as pos-
sible.
► Apply the parking brake on the tractor
unit.
► Apply the parking brake on the trailer
(see "5.9.2 Parking brake", pg. 37)
.
► Use wheel chocks to prevent the trailer
from rolling away
.
► If necessary, arrest the height adjust-
ment device.
► Disconnect the supply and control
(see "5.6 Supply and control connec-
.
► Use the coupling's hand lever to move
the coupling bolts to the “opened” posi-
tion.
► Slowly drive the tractor unit away in a
straight line.
► Use the coupling's hand lever to move
the coupling bolts to the “closed” posi-
tion.
ü
The turnframe trailer is unhitched.
7.3
Manoeuvring the trailer
without a connected com-
pressed air supply
INFO
Manoeuvring without a connected com-
pressed air supply is only permissible in
exceptional cases.
To manoeuvre the trailer without a connec-
ted compressed air supply, the service
brake
(see "5.9.1 Service brake", pg. 37)
must
be released.
500626977-01
P
P
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"
515040284-01
Senken / Stopp / Heben
Lower / Stop / Raise
Abgesenkt
Lowered
Fahrt
Drive
500626979-01
1
2
Fig. 7-2:
Control unit for brake system of
central axle trailer
1
Red control knob for the parking brake
2
Black control knob for the service
brake
515040284-01
Senken / Stopp / Heben
Lower / Stop / Raise
Abgesenkt
Lowered
Fahrt
Drive
515040284-01
Senken / Stopp / Heben
Lower / Stop / Raise
Abgesenkt
Lowered
Fahrt
Drive
500626977-01
P
P
1
2
Fig. 7-3:
Control unit for brake system of
turnframe trailer
1
Red control knob for the parking brake
2
Black control knob for the service
brake
þ
The trailer's compressed air supply is
not connected.
► Press in the black control knob for the
service brake.
► Press in the red control knob for the
parking brake
► The trailer brake is released.
ü
The trailer can be manoeuvred.
► Pull out the black control knob for the
service brake again after manoeuvring.