65
Emergency Repairs
Tyre pressures for any vehicle will
depend on its laden axle loadings. The
pressures can therefore only be finally
determined by the bodybuilder, to take
account of varying body types,
passenger weights etc.
The table on Page 64 gives the
nominal pressures for a range of axle
loadings and can be used as a basis for
determining tyre pressures after laden
axle weights have been established.
The pressures quoted have been
determined to ensure an acceptable
compromise between ride comfort,
handling, and tyre life. Reduction of
pressures below those identified for
any given axle load is not permitted
unless agreed by the tyre
manufacturer. An increase of up to
10% in front tyre pressures may
provide improved front tyre life,
particularly in urban conditions where
sharp corners or roundabouts are
frequently encountered. However, this
improved life may be accompanied by
a reduction in ride quality.
Increasing the rear tyre pressures in
isolation is not permitted on rear
engined bus applications, as handling
could be adversely affected.
In case of doubt, reference should be
made to TransBus International
Customer Care or the Technical
Department of the tyre manufacturer.
Tyre Pressures
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