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,
if necessary (see "5.14 Side collision pro-
tection", pg.46).
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 (see "5.15 Spare
wheel bracket", pg.47).
► 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.
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