Cayman 2006 Driving & Safety — Section 2 • 41
Tire Pressure Inflation Guideline
Federal law requires that the specifi cations 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 fully loaded. The
tire chart indicates the weights that can be properly supported by varying air pressures. Decreasing air pressure
decreases load carrying capacity.
Always comply with the tire manufacturer’s recommended pressure infl ation guideline. The actual weight of
the motorhome can vary signifi cantly depending on how it is loaded. For optimum tire wear, ride and handling
always comply with the manufacturer guideline. A tire infl ation chart listing proper infl ation pressure for different
loads can be found in this section.
The tires of the motorhome are infl ated to pressure(s) appropriate for the actual weight on each axle in the
unloaded, shipped condition. When the motorhome is loaded, check and adjust the infl ation pressure on each tire
as needed.
Always infl ate tires to the pressure indicated in the tire chart for the load carried by the tire. DO NOT
OVERINFLATE OR UNDERINFLATE THE TIRES.
The Gross Axle Weight Rating (GAWR) of the axles listed on the federal certifi cation 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
recommended tire infl ation pressure(s) listed on the federal certifi cation label. 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 infl ation and other
tire issues.
Tire Chart - Goodyear
Understanding the Infl ation Table:
The tire size is on the left margin of the table. Determine the Single infl ation reading or Dual infl ation
reading, denoted with a D or S on the Table. Single is for the front axle, and Dual is for the drive axle. Find the
corresponding PSI at the top columns to see the corresponding maximum weight capacity for that PSI.
NOTE:
Every load range has a maximum rating as well as a minimum rating. DO NOT exceed those
ratings.
Rated load capacities are listed for individual tires in a Dual or Single position.
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