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6. Offset. This refers to the relationship of the center line of the tire to the hub face of the axle.
Care should be taken to match a replacement wheel with the same offset wheel as
originally equipped. Failure to match offset can result in reduced carrying capacity of your
axle.
7. Rim Contour.
RIM CONTOURS!
Use only the approved rim contours as shown in the Tire and Rim Yearbook or the tire
manufacturers catalog. The use of other rim contours is dangerous. Failure to use the proper
rim contour can result in explosive separation of the tire and wheel and could cause a serious
accident.
WHEEL MODIFICATIONS!
Do not attempt to repair or modify a wheel. Even minor modifications can have a great
effect. Do not install a tube to correct a leak through the rim. If the rim is cracked, the air
pressure in the tube may cause the pieces of the rim to explode with great force and can
cause serious injury or death.
Wheel Torqueing Procedures
When installing the wheels, make sure that the hub and wheel mating surfaces are clean and
free of rust, dirt and excess paint. The studs and threads must be clean, dry and in good condition for
applying installation torque.
The hand torque wrench or air wrench used to install the wheels must be periodically
calibrated to insure proper applied torque. Adjust the tools as necessary.
Position the disc wheel over the studs, being careful not to damage the stud threads. Make
sure the disc wheel is flat against the mounting surface and there is clearance between the disc
wheel taper and the brake drum.
On applicable models position the outer disc wheel over the inner disc wheel being careful not
to damage the threads on the studs. Be sure the valve stems for both the inner and outer tires are
accessible.
Install the flange nuts and tighten to the Stage 1 torque value in the following chart using the
sequence shown, and then tighten the flange nuts to the Stage 2 torque value (if applicable) and then
the full Stage 3 torque value in sequence.
Summary of Contents for 18385
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Page 32: ...31 www valortrailers com PHONE 208 810 4900 Tire Wear Diagnostic Chart...
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