RUNNING GEAR OPERATION
50
Operating instructions • Load Carrier • 505410638-02 • 07/2019
► Secure the retainer rod with the spring
cotter pin.
► Fold down the side collision protection,
(see "5.14 Side collision pro-
.
ü
The spare wheel has been removed.
5.15.5
Changing the spare wheel
!
WARNING
Risk of accident caused by loose wheel
nuts!
Wheel nuts that are not tightened correctly
will come loose during travel, possibly
leading to serious accidents.
► Tighten the wheel nuts with the appro-
priate tightening torque.
► Check the tightness of the wheel nuts
after each wheel change, and again
shortly after the first laden journey.
!
WARNING
Risk of accident due to instability and
rolling away!
Unintentional trailer movements can
cause serious injury and property dam-
age.
► Secure the trailer against rolling away
by applying the parking brake.
► Use the wheel chocks to prevent the
trailer from rolling away.
► Park the trailer on a solid surface to
avoid sinking in or tipping.
► When the trailer is hitched/unhitched,
ensure stability. If necessary, use ad-
ditional supports.
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. 22)
.
► Apply the parking brake on the trailer
(see "5.9.2 Parking brake", pg. 37)
.
► 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
spare wheel bracket
.
► 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.