125
Tyres
Observe that the air pressure in the diagram applies to cold
tyres. Already after a couple of kilometres driving, the tem-
perature in the tyres, and therefore even the air pressure,
has risen to a value approximately 0.8–1.9 kp/cm
2
(80–190
kPa) higher than with cold tyres.
With warm tyres, the air pressure should only be adjusted if
the tyre needs to be inflated.
The graphs are general and it is advised that the tyre manu-
facturer’s recommendations are followed. According to
these, certain kinds of driving can warrant an increase in
tyre pressure of 0.5–1.0 kp/cm
2
(50–100 kPa).
Dual mounted wheels
With dual mounted wheels, use only tyres of the same type
and roughly the same diameter, or with a maximum diame-
ter difference of 6 mm between tyres fitted together. Make
sure the tyre pressure is the same in both tyres.
Check the tread condition and tyre pressure regularly!
Service and Maintenance
Axle load
kp
13 000
12 000
11 000
10 000
9 000
8 000
7 000
6 000
5 000
4 000
400 500 600 700 800 kPa
45678
kp/cm
2
12 R22.5
315 / 80 R22.5
295 / 80 R22.5
275 / 70 R22.5
315 / 80 R22.5
295 / 80 R22.5
12 R22.5
275 / 70 R22.5
Single wheels
Twin wheels
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