Driving & Safety
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2•47
Federal law requires that the specifications for the tire’s maximum load
rating be molded into the sidewall of the tire. The amount of air pressure to
use is dependent on the weight of the motorhome when it is fully loaded. The
chart within this section shows weights that can be supported by various air
pressures. Utilizing less air pressure means a lesser load can be carried by the
tire.
Always comply with the tire manufacturer’s recommended pressure infla-
tion guideline. The actual weight of the motorhome can vary significantly
depending on how it is loaded. Periodical adjustment to comply with the tire
manufacturer’s guideline will provide for the optimum ride and handling. A
tire inflation chart listing proper inflation for different loading conditions of
various size tires is contained in this section of the manual.
Monaco Coach Corporation inflates the tires of the motorhome to pres-
sure(s) appropriate for the actual weight on each axle in the unloaded,
shipped condition. When the motorhome is loaded, it is important to check
and adjust the inflation pressure on each tire as needed.
Always inflate tires at a pressure high enough to handle the actual load on
the tires. DO NOT OVERINFLATE THE TIRES.
The Gross Axle Weight Rating (GAWR) of the axles listed on the federal
certification label attached to the motorhome is the maximum allowable
loaded weight on an axle. When the actual loaded weight of the motorhome
and the weight on each axle is unknown, follow the federal certification label
recommended tire inflation pressure(s). When loading a motorhome never
exceed the motorhome’s Gross Vehicle Weight Rating (GVWR) or the
GAWR for each axle.
Contact the tire manufacturer for further information concerning proper
tire pressure inflation and other tire issues.
The GVWR (Gross Vehicle Weight Rating) and GAWR (Gross Axle
Weight Rating) stickers on the motorhome (normally located on the support
pillar next to the driver’s seat) will show the chassis manufacturer’s and/or
the RV manufacturer’s total vehicle maximum weight ratings and per axle
weight rating.
The GVWR is the maximum total weight for which the motorhome is
rated-including passengers, fluids, and cargo. The GAW. is the maximum for
which a single axle is designed. These per axle and total maximum weight
ratings could be limited by the tires, wheels, axle and axle bearings, the
motorhome frame or other components of the motorhome.
The GAWR sticker is only a guide in knowing the maximum loaded axle
weights, and subsequently the correct tire inflation pressure. Every RV, even
of the same make and model, will vary in actual loaded axle weights because
of different options and personal loads.
WINDSOR
How Much Air
Should I Carry in
My Tires?
Tire Pressure
Inflation Guideline
Weight Terms
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