Mercedes-Benz Actros Operating Instructions Manual page 317

X
Semitrailer tractor vehicles: if the semi-
trailer tractor vehicle is being driven with a
semitrailer without ABS, insert the plug of
the connection cable into empty socket A.
X
Check lighting systems, turn signals and
brake lamps on the vehicle and on the
trailer/semitrailer for correct functioning
and cleanliness.
X
Check the operation of the indicator lamps
for the towing vehicle and trailer/semi-
trailer turn signals in the instrument clus-
ter.
X
After pulling away, check that the brake
circuit on the trailer/semitrailer is func-
tioning correctly, paying attention to the
road and traffic conditions.
Disconnecting cables and compressed-
air lines
G
WARNING
If you remove the coupling heads in the wrong
order, the trailer/semitrailer brake is
released and the trailer/semitrailer may roll
away. There is a risk of an accident.
Always detach the coupling heads in the cor-
rect order.
! After disconnecting the compressed-air
lines, ensure that the covers of the coupling
heads on the vehicle are closed. If the cov-
ers are not closed, the coupling heads may
become contaminated, causing a malfunc-
tion.
! After you have disconnected the cables,
make sure you insert the plugs in the sock-
ets. If you do not insert the plugs in the
sockets, water may get into the cable har-
ness and damage the electrical system.
X
Apply the parking brake of the tractor vehi-
cle.
X
Apply the parking brake of the trailer/semi-
trailer. Observe the manufacturer's oper-
ating instructions.
Trailers/semitrailers
X
With dual coupling head: push down and
hold the lever at dual coupling head B.
X
With dual coupling head: remove the
compressed-air lines.
X
With dual coupling head: swing upwards
and release the lever at dual coupling head
B.
X
Without dual coupling head: disconnect
supply line coupling head ; (red).
The brakes of the trailer/semitrailer will be
applied automatically.
X
Without dual coupling head: remove brake
line coupling head : (yellow).
X
Semitrailer tractor vehicle: disconnect 24 V
(15‑pin) power supply plug ? from the
trailer.
X
Platform truck: disconnect the power sup-
ply of the trailer at the towing vehicle from
24 V (15-pin) socket ?.
On trailers with a 12 V power supply: dis-
i
connect the power supply of the trailer at
the towing vehicle from 12 V (13 pin)
socket C.
X
Semitrailer tractor vehicle: disconnect
ABS/BS (5‑/7‑pin) connecting cable plug
= from the trailer.
X
Platform truck: disconnect the connecting
cable from the trailer at the towing vehicle
from ABS/BS (5-/7-pin) socket =.
X
Semitrailer tractor vehicle: when driving
the semitrailer tractor vehicle without the
semitrailer, insert the connecting cable into
empty socket A.
X
Check the operation and cleanliness of the
lighting system as well as that of the turn
signals and brake lamps.
Loading platform approach aid
G
WARNING
The loading platform approach aid cannot
detect persons or moving obstacles. There is
therefore a risk of accident even with the
loading platform approach aid activated.
315
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