Can Regrooved tires be used on buses?
Can Regrooved tires be used on buses?
Regrooved tires shall not be used on school buses or any vehicle other than a commercial vehicle. Such tires used on commercial vehicles shall be of a type manufactured and designed for regrooving.
What is a Regrooved tire?
conforms to this part. (d) Regrooved tire means a tire, either original tread or retread, on which the tread pattern has been renewed or a new tread has been produced by cutting into the tread of a worn tire to a depth equal to or deeper than the molded original. groove. depth. [34 FR 1150, Jan.
Can a school bus use recapped tires?
Title 49, Part 393.75 (d) of the Federal Motor Carrier Safety Regulations states “No bus shall be operated with regrooved, recapped or retreaded tires on the front wheels.” This is the only regulation on retread tires for bus use however.
How long do bus tires last?
When school bus tires reach a certain age, they can begin to break down from the inside. For this reason, tire manufacturers warn that tires should be replaced after 10 years. Many safety experts say, however, that a tire should be replaced after six years, regardless of the appearance.
Are Regrooved tires legal?
Specifically, 49 CFR Section 569.3(c) defines a “regroovable tire” as tires that are “designed, and constructed with sufficient material to permit renewal of the tread pattern.” This means tires can only be legally regrooved if they have enough rubber to maintain its original tread pattern.
How do you tell if a tire has been Regrooved?
You can tell how old a tire is by checking the “born-on date” molded onto the sidewall. “Where it says 3314, this tire was made the 33rd week of 2014,” Robison said. People need to be aware of how dangerous regrooved tires are, he said.
What does a virgin tire mean?
A virgin casing is a tire casing (or worn tire) that has never been retreaded.
How many tires are on a bus?
A school bus has six wheels. Two of them are on the front axle and four tires are on the dual axle. Smaller buses can have four axles (two wheels on both axles).
How often should tires be replaced?
every six years
The NHTSA recommends that tires be replaced every six years regardless of the number of miles driven. Proper inflation is the Holy Grail of tire maintenance. Too much or too little air in your tires is guaranteed to cause you trouble and uneven or excessive wear over time.
What does Regrooved mean?
Regrooving involves removing rubber from the layer of existing rubber to restore tread pattern depth. All MICHELIN tyres applicable for regrooving, are marked “REGROOVABLE” of the tyre sidewall. The technique is recommended but ETRTO*.
How can you tell if your tires are recapped?
Check the tire’s sidewalls for the words “bias,” “bias belted” or something similar to indicate their status. Retreads are legally required to have these markings in most areas, which tell consumers what type of tires they are buying.