Subsection 222-1-200-45 - TIRES, WHEELS AND RIMS1. TIRES ON STEERING AXLE OF A POWER UNITA. Reject vehicle if any tire has less than 4/32 inch tread when measured at any point on a major tread groove.B. Reject vehicle if body ply or belt material is exposed through the tread or sidewall on any tire.C. Reject vehicle if there is any tread or sidewall separation on any tire.D. Reject vehicle if there is any cut that exposes ply or belt material on any tire.E. Reject vehicle if any tire is labeled "Not for Highway Use" or displays other markings that would indicate that the tire is not intended for use on a public way or on a steering axle.F. Reject vehicle if there is a tube type radial tire without radial tube stem markings. These markings include a red band around the tube stem, the word "radial" embossed in metal stems, or the word "radial" molded in rubber stems.G. Reject vehicle if the vehicle has a mix of bias and radial tires on the same axle.H. Reject vehicle if a tire flap protrudes through a valve slot in the rim and touches a stem.I. Reject vehicle if it has a re-grooved tire. Vehicles that are operated exclusively in urban or suburban service are exempt from this requirement. (See 49 CFR § 393.75(e)) . No truck or truck tractor shall be operated with re-grooved tires on the front wheels which have a load carrying capacity equal to or greater than that of 8.25-20 8 ply.J. Reject vehicle if it has a boot, blowout patch or other ply repair.K. Reject vehicle if the weight carried exceeds the tire load limit. This includes overloaded tires resulting from low air pressure.
L. Reject vehicle if a tire is flat or has a noticeable or detectable leak.M. Reject any bus equipped with recapped or re-treaded tires.N. Reject a vehicle if any tire is so mounted or inflated that it comes in contact with any part of the vehicle.O. Reject vehicle if the tire is weather cracked to the degree that failure is imminent. NOTE: Inspecting technicians must use their education, training and experience to determine if a tire is weather cracked to the degree that failure is imminent. The age of the tire along with the degree of weather cracking should be considered. Age of tire can be determined by the DOT date code on the sidewall of the tire.
2. TIRES LOCATED ON AXLES OTHER THAN STEERING AXLE (POWER UNIT)A. Reject vehicle if the weight carried exceeds the tire limit. This includes overloaded tires resulting from low air pressure.B. Reject vehicle if a tire is flat or has a detectable air leak.C. Reject vehicle if body ply or belt material is exposed through the tread or sidewall.D. Reject vehicle if there is any tread or sidewall separation.E. Reject vehicle if there is a cut or crack that exposes ply or belt material.F. Reject vehicle if a tire is so mounted or inflated that it comes in contact with any part of the vehicle. This includes a tire that contacts its mate.G. Reject vehicle if any tire is labeled "Not for Highway Use" or displays other markings that would indicate that the tire is not intended for use on a public way.H. Reject vehicle if a tire has less than 2/32 inch tread when measured at any point on a major tread groove.I. Reject vehicle if the tire is weather cracked to the degree that failure is imminent. NOTE***Inspecting technicians must use their education, training and experience to determine if a tire is weather cracked to the degree that failure is imminent. The age of the tire along with the degree of weather cracking should be considered. Age of tire can be determined by the DOT date code on the sidewall of the tire.
3. WHEELS AND RIMS A. Lock or Slide Ring Reject vehicle if a lock or slide ring is bent, broken, cracked, improperly seated, or sprung, or has mismatched rings.B. Wheels and Rims Reject vehicle if a wheel or rim is cracked, broken, or has elongated bolt holes.4. FASTENERS (SPOKE OR DISC WHEELS)A. Reject vehicle if any fastener is loose, missing, broken, cracked, stripped, or is otherwise ineffective. Parts shall be designed and installed so that nuts shall be fully engaged.B. Reject vehicle if the rim design is not compatible with the hub design.5. WELDSA. Reject vehicle if any weld attaching the disc wheel disc to rim is cracked.B. Reject vehicle if any weld attaching a tubeless demountable rim to adapter is cracked.C. Reject vehicle if there is any weld on an aluminum wheel on a steering axle.D. Reject vehicle if there are any welded repair other than disc to rim attachment on steel disc wheel(s) mounted on the steering axle. C.M.R. 16, 222, ch. 1, § 222-1-200, subsec. 222-1-200-45