Loss Of Carrying Capacity Due To Under Inflation
Load Capacity ST205/75*15 (C(
PSI 50 45 40 35 30 25
Load
Capacity
1820 1720 1610 1480 1360 1220
*2014 Tire and Rim Association
Tighten Each Lug Nut In The Order
Shown
NOTE:
Start all lug nuts by hand to prevent cross threading.
Wheel nut torque requirements vary depending on the
size and manufacturer of the wheel. Always use the
wheel manufacturer’s recommendation but do not
exceed 100 ft/lbs on 1/2 inch studs, or 130 ft/lbs on 9/16
inch studs. Unless otherwise specified by the wheel
manufacturer, use a final torque of 85-95 ft/lbs.
NOTE:
It is recommended that wheel bearings be repacked
yearly.
Never exceed the wheel manufacturer’s recom-
mendations.
It is important to maintain proper wheel nut torque
to provide safe and secure attachment of the
wheel to the hub/drum.
Be sure to use wheel nuts that are compatible with
the coin in the wheel. Improperly torqued wheel
nuts can cause the wheel to separate from the
wheel mounting surface during operation. This
could result in property damage, serious personal
injury or loss of life. Do not over torque.
Do not place a jack against the trailer underbelly
when changing a tire. To avoid damage to your RV,
be sure the jack is placed firmly against the chas-
sis frame and place it as close to the spring hang-
ers as possible.
Air Pressure
Remember that the air pressure in your camper tires will
not be the same as the pressure in your tow vehicle tires.
Always inflate camper tires to the correct pressure. Do
not over or under inflate. Under-inflated tires will run hot,
shortening the tire’s life and decreasing the camper’s
safe load limit. Over-inflated tires will cause a rough and
bouncy ride that can damage the camper or the cargo.
Cold tire inflation pressure is defined as a tire that has
not been used for 3 or more hours, or has been driven
less than one mile. Tire inflation pressure of a hot tire
may show an increase of as much as 6 psi over a cold
tire.
50 45 40 35 30 25
Load Capacity
1820 1720 1610 1480 1360 1220
0
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Load Capacity ST205/75*15 “C”
Identification And Safety
17
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