RUNNING GEAR OPERATION
Operating instructions • Semitrailer • 505369471-04 • 02/2019
59
CAUTION
Risk of injury due to a falling spare
wheel!
The weight of a falling spare wheel can
cause injuries.
► Work carefully when changing a spare
wheel.
INFO
The tightening torques for the wheel nuts
are noted in the axle manufacturer's sup-
plier documentation.
Removing the wheel
► Lock the tractor unit to prevent unin-
tended movement while changing the
wheel.
► Secure the tractor unit and trailer ac-
cording to the regulations for moving
traffic (warning sign, etc.).
► Use wheel chocks to prevent the
tractor unit and trailer from rolling away
(see "5.1 Using wheel chocks", pg. 24)
.
► Apply the parking brake on the trailer
(see "5.8.2 Parking brake", pg. 40)
.
► Loosen the wheel nuts by one turn.
► Place the jack under the axle as close
as possible to the defective wheel.
► Lift the axle with the jack until the de-
fective wheel no longer touches the
ground.
► Unscrew the wheel nuts and remove
them.
► Remove the defective wheel from the
axle.
ü
The wheel is removed.
Mounting the spare wheel
► Remove the spare wheel from the
.
► Slide the spare wheel onto the wheel
hub.
► Screw on the wheel nuts and slightly
tighten.
► Lower the axle with the jack.
► Properly tighten the wheel nuts in a
criss-cross pattern. Please consult the
axle manufacturer's supplier docu-
mentation for the specified tightening
torque.
► Insert the defective wheel in the spare
ü
The spare wheel has been mounted.
► Check the tyre inflation pressure of the
spare wheel used.
5.19
Storage box
!
WARNING
Risk of accident when driving with an
open storage box!
If the storage box lid is open, objects may
fall out and cause accidents.
► Only drive with the storage box closed
and secured.
CAUTION
Risk of injury due to falling objects!
When the storage box is opened, objects
may fall out and injure people.
► Be careful when opening the storage
box and watch for falling objects.
The storage box is mounted underneath
the trailer. The storage box is part of the
side collision protection or replaces the
side collision protection.
It provides storage room for paper wedges,
pallet rollers, plug-in posts, and parts for
load securing systems.