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Care and Maintenance
Tread
NORMAL TREAD WEAR
PHENOMENON
Rubber is worn out evenly across the tire tread.
Even tread wear indicates that tire pressure has been maintained at the correct inflation level during service.
RECOMMENDATION
Tire should be removed at the following condition whichever comes first across the tread;
- When the wear level reaches the bottom of any groove at one point or up to 1/8 of the circumference
- The reinforcing fabric (bias) or aramid cord protector (radial) is exposed.
If it is necessary to continue the tire in service beyond the limit i), the tire should be removed either at the next maintenance base or the limit ii) happens, whichever occurs first.
Important Notice:
Specific removal criteria shall be defined by instruction of airframe manufacturers, such as AMM. Such document takes precedence over this manual.