2-18
Safety
Wheels and Tyres
If tyres on the vehicle were inflated at the factory with dry nitrogen gas, the tyre walls
will be marked 'N' and the following factory installed decal will be found mounted on
the fenders.
NOTICE
TYRES ON THIS VEHICLE ARE FACTORY INFLATED WITH DRY NITROGEN.
IT IS RECOMMENDED THAT DRY NITROGEN BE USED EXCLUSIVELY FOR
ALL TYRE PRESSURE ADJUSTMENTS AS WELL AS INFLATION OF
REPLACEMENT TYRES.
Nitrogen gas improves tyre pressure retention, increases tyre life by reducing
carcass oxidation from within, minimizes rim rust, and has no known detrimental
effect on the tyre. It also reduces the potential of a tyre explosion because it is an
inert gas and will not support combustion inside the tyre. The same tyre inflation
pressure used for air inflation should be used for nitrogen inflation. Refer to Section
160-0050, Wheel, Rim and Tyre of the vehicle Maintenance Manual for recommended
procedures for inflating and pressure adjusting tyres with dry nitrogen gas. Only
proper nitrogen charging equipment operated by personnel trained in its use should
be used.
Never mix components of one manufacturer’s rims with those of another.
Using the rim base of one manufacturer with the lock ring of another or
vice versa is dangerous. The lock ring of one may not fully engage with
the lock ring groove of the other. Always consult the rim manufacturers
for proper matching, assembly and safety instructions. Also, use and
servicing of damaged, worn out or improperly assembled rim assemblies
is a very dangerous practice. Failure to comply with the above warnings
could result in an explosion from tyre pressure causing serious property
damage and serious personnel injury or death.
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