Steel Wheel
- Check tires for wear and improper inflation.
- Check wheels for deformation, clacks and other damage. If deformed, remove wheel and check wheel runout.
- Remove tire from steel wheel and mount wheel on a tire balance machine.
- Set two dial indicators as shown in the figure, below.
- Set each dial indicator to "0".
- Rotate wheel and check dial indicators at several points around the circumference of the wheel.
- Calculate runout at each point as shown below, below.
Axial runout (A)
: (
+
)/2
Radial runout (B)
: (
+
)/2
- Select maximum positive runout value and the maximum negative value. Add the two values to determine total runout.CAUTION: In case a positive or negative value is not available, use the maximum value (negative or positive) for total runout.
Limit
A
: Refer to Road Wheel .
B
: Refer to Road Wheel .
- If the total runout value exceeds limit, replace steel wheel.