Mercedes-Benz Zetros 2020, Operating Instructions Manual

Page: 135 / 212

Checking the locking mechanism at night
X
Check by feel that control pin
=
is protrud-
ing.
Uncoupling
X Park the vehicle on a firm and level surface.
X
Apply the parking brake.
X
Chock the trailer/semitrailer's wheels to
secure it against rolling away.
Wheel chocks may only be used on the non-
steered axle of the trailer/semitrailer.
X
Extend the saddle supports of the semi-
trailer; see the manufacturer's operating
instructions.
X
Set the trailer's towbar support to the
height of the trailer coupling; see the manu-
facturer's operating instructions.
X Remove the cable and compressed-air lines
(
Y
page 134).
i Use the step or folding ladder when
removing cables and compressed-air lines
on the semitrailer tractor vehicle
(
Y
page 133).
X
Open the trailer coupling/semitrailer cou-
pling; see the manufacturer's operating
instructions.
X
Drive the tractor vehicle forwards slowly.
Folding ladder (semitrailer tractor
vehicle)
Folding the ladder up and down
Use the folding ladder to connect cables and
compressed-air lines from the semitrailer, for
example.
X
To fold down: pull cable
:
outwards in the
direction of the arrow and fold down lad-
der
;
.
X To fold up and lock: fold up ladder
;
in
the direction of the arrow until you hear it
engage.
X
Pull ladder
;
outwards and check whether
it is locked in place.
Cables and compressed-air lines
Important safety notes
G
WARNING
If you climb onto or down from the vehicle in
order to connect/disconnect the cables and
compressed-air lines without appropriate
climbing aids, you could:
R
slip and/or fall
R
damage components, e.g. the battery
cover, and fall as a result
R
burn yourself on hot components
There is a risk of injury.
Always use secure climbing aids, e.g. a suit-
able ladder.
Trailers/semitrailers
133
Driving mode
Z