5 Operation
Trailer and load
– Using reverse inching, drive the truck slowly
forwards and guide the drawbar completely
out of the coupling.
7
8
Operating the remotely unlockable
coupling
DANGER
Increased risk of accident due to improper opera-
tion of the coupling!
If the tow coupling pin (8) is not fully engaged,
the trailer can become separated from the truck
inadvertently.
Before setting off, always ensure:
– The coupling pin must not project beyond its
guide (see decal information).
– Make sure that the hand lever (7) engages.
– The indicator light in the switch (6) must light up
(coupling pin is fully engaged).
It is the responsibility of the driver to ensure that the
coupling pin is fully engaged before towing a trailer.
WARNING
Risk of trapp
ing or crushing!
– Do not reac
h into the open coupling.
Coupling t
he trailer
– Take measures to prevent the trailer from
rolling away, e.g. use wheel chocks.
– Activate the remotely unlockable coupling;
to do this press switch (2) to position 1.
The remotel
y unlockable coupling is activated.
– Briefly press switch (3) and (6) simultane-
ously.
The coupling pin is raised completely.
The yellow in
dicator light (5) must light up.
– Carefully drive the truck into the drawbar
until the drawbar is in the coupling jaw of
the tow coupling; the coupling closes on
contact.
– Apply the parking brake
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172780 EN - 06/2017