Coupling Up - Mercedes-Benz Unimog Operating Instructions Manual

Trailer
220
found in the vehicle's registration papers.
These values can also be found on the type
plate of the trailer coupling, the trailer and the
vehicle identification plate. Where the values
differ, the lowest is valid.

Coupling up

G
WARNING
If the trailer coupling has too much longitudi-
nal play, the trailer can tear away. You could
lose the semitrailer as a result. There is a risk
of an accident.
Check the trailer coupling daily for longitudi-
nal play by moving the towbar body of the
trailer coupling forwards and back firmly.
Have any longitudinal play eliminated at a
qualified specialist workshop as soon as pos-
sible.
G
WARNING
There is a risk of the drawbar swinging out
when coupling up the trailer. In this case, the
trailer drawbar swings uncontrollably from
side to side. If a person is in the area of dan-
ger, there is a risk of injury.
Make sure that no persons are in the area of
danger. Set the trailer drawbar to the correct
height before coupling up, e.g. by using the
height adjustment device.
Couple up the trailer by reversing the tractor
vehicle. Never let the trailer run on.
G
WARNING
If you uncouple a trailer with an engaged over-
run brake, you could trap your hand between
the vehicle and the trailer drawbar. This poses
a risk of injury.
Do not uncouple a trailer with an engaged
overrun brake.
Example: trailer coupling
Control lever
:
Coupling pin
;
Example: open trailer coupling
Locking pin
:
Control lever
;
X
Couple/decouple the trailer (see the man-
ufacturer's operating instructions of the
trailer coupling).
Connecting cables and compressed-
air lines
Overview
! Arrange the cables and compressed-air
lines in such a way that they easily yield to
all movements without tension, kinking or
friction when cornering, etc. Before con-
necting the cable, make sure the voltage
rating of the consumer equipment on the
trailer is correct.