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TIPS AND MAINTENANCE
Wear i i ndicators
At the bottom of the tread of the original
tyres there are 1.6 mm high "wear indica-
tors" running across the tread – see fig.
There are 6-8 of these indicators – accord-
ing to make – evenly spaced around the
tyre circumference. Marks on the walls of
the tyre (for example the letters "TWI" or
triangles) show the locations of the wear
indicators.
Warning
•
The t t yres m m ust b b e r r enewed a a t
the l l atest w w hen t t hey a a re w w orn
down t t o t t he w w ear i i ndicators. T T his
should b b e d d one w w ithout d d elay.
•
Worn t t yres a a re d d etrimental t t o
roadholding p p articularly a a t h h igh
speeds o o n w w et r r oads. F F urthermore,
the v v ehicle t t ends t t o a a quaplane
sooner.
Note
When tread depth is down to 1.6 mm
measured in the tread groove next to the
wear indicator bar – the official permissi-
ble minimum tread depth has been
reached (in export countries this figure
may differ).
3.58
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Renewing w w heels/tyres
Wheels and tyres are important design
features. The wheels and tyres approved
by us should be used. They are specially
matched to the model concerned and con-
tribute largely to the excellent roadhold-
ing and safe driving characteristics.
The T T echnical S S ervices h h old u u p t t o
date i i nformation r r egarding t t he s s tan-
dard t t yres f f itted b b y t t he m m anufacturer.
Also: M M any T T echnical S S ervices p p os-
sess a a l l arge r r ange o o f t t yres a a nd r r ims.
B1H-085
•
Fitting and repairing tyres requires
expert knowledge and special tools. This
work may only be carried out by specialist
personnel.
Because
disposing o o f t t he o o ld t t yres, t t he
special t t ools n n ecessary a a nd t t he
specialist k k nowledge r r equired, t t yre
changing s s hould p p referably b b e d d one
by a a T T echnical S S ervice C C entre.
•
For safety reasons the tyres should be
renewed in pairs and not singly. The tyres
with the deepest tread should always be
on the front wheels.
o o f
t t he
p p roblem
IF AND WHEN
o o f
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