Tiffin Motorhomes WAYFARER 2021, Руководство пользователя

Страница: 150 / 170

ROUTINE MAINTENANCE CONTINUED
TIRE SAFETY INFORMATION CONTINUED
TIRE PRESSURE
Correct tire inflation pressure is essential to maximizing the life of your tires and assuring the
safety of the motorhome and its occupants. Driving with tires that are not correctly inflated for
the load of the motorhome is dangerous and may cause premature wear, tire damage and/or loss
of control of the motorhome.
An under inflated tire will build up excessive heat that may actually approach the vulcanization
temperature of the rubber and lead to tread separation and/or disintegration of the tire.
Under inflated tires will also cause poor handling of the motorhome, rapid and/or irregular tire
wear and an increase in rolling resistance of the motorhome which, in turn produces a decrease
in fuel economy of operation.
An over inflated tire will reduce the tire's "footprint" (i.e., its actual contact with the road); thus
reducing traction, braking capacity and handling of the motorhome.
A tire that is over inflated for the load that it is carrying will also contribute to a harsh ride,
uneven tire wear and the tire itself will be more susceptible to impact damage.
Maintaining correct tire pressure for each loaded wheel position on the motorhome is critically
important and must be a part of regular motorhome maintenance.
TIRE MAXIMUM LOAD RATING
Federal law requires that the maximum load rating be molded into the sidewall of the tire. If
you look at a tire sidewall, you may see some "typical" information such as:
Max. Load Single 2,880 Lbs. at 61 PSI cold
Max Load Dual 2,470 Lbs. at 61 PSI cold
The maximum load allowed for the size tire and load rating and the minimum cold air inflation
pressure needed to carry that stated maximum load are noted on the tire. Using less air pressure
would reduce the load carrying capacity of the tire.
The amount of air pressure you need depends on the weight of the fully loaded motorhome.
You cannot determine the correct air inflation pressure, unless you know the actual weights of
the motorhome.
142