LAIKA Kreos 5009, Manual

Page: 117 / 126

23.1 Tyres
23.1.1 General warnings
• Six years after the date of production, tyres are to be
replaced as, in the long run, rubber deteriorates and
tyres are no longer safe after this period has
elapsed. The date of production is indicated by the
four-figure code positioned on the tyre side, where
the first two figures indicate the week of production
and the last ones indicate the year.
• At regular intervals check the condition of the tyres
and in particular the depth of the tread: the
minimum depth is fixed by law.
• At regular intervals check that the bolts of the wheels
are tightened; tightening must be done “crossing”
(passing from one bolt to the one positioned across
from it and not to the one on the right or left-hand
side). Check the tightening after the first 50 km
traveled with the replaced wheel.
• When the tyres are new, for the first 100 km it is
advisable to drive with care and at a particularly low
speed, because when new the tyres do not ensure a
perfect grip.
• All the tyres mounted on the coachbuilt must be of
the same type, dimension and version (for example,
do not mount summer and winter tyres on the same
vehicle at the same time).
• See the registration certificate for information on the
tyres approved for the vehicle.
• Always observe the local legal requirements
regarding the use of winter equipment (e.g. snow
tyres, chains). The vehicle driver is responsible for
ensuring that the vehicle complies with these regula-
tions.
23.1.2 Tyre pressure
Correct tyre pressure varies depending on the type of
tyre, its size and the load on each individual axle.
See the chassis manufacturer manual for information
on correct tyre pressure.
Take into consideration that:
• an insufficient or excessive pressure results in an
irregular wear of the tyres and in anomalies in the
driving position of the vehicle;
• in case of low pressure, tyres can explode;
• pressure must be checked when the tyres are cold.
23 - MAINTENANCE
USER’S GUIDE
117
In case of a long period of inactivity of the vehicle,
tyres could deform with serious consequences in
the driving position of the vehicle and its security;
we recommend to move the vehicle frequently, to
avoid this kind of inconvenient.
WARNING
Tyre pressure must be checked at regular intervals,
especially after periods (even short) when the
vehicle is not used.
WARNING
In case the original tyres are replaced (for example,
with winter tyres), the recommended pressure level
for the replacement tyres may be different from the
level recommended for the tyres fitted as standard
equipment. Consequently, it is mandatory to always
follow the instructions provided by the tyre
manufacturer.
WARNING
The load on each individual axle depends on any
optional equipment installed and luggage trans-
ported, in addition to the default layout.
NOTE
Example: week 12, year 2019