12. OPERATION 14. Inspection of tires WARNING If worn or damaged tires are used, they may burst and cause serious injury or death. To ensure safety, do not use the following tires. Wear: Tires with a tread groove of less than 15% of that of a new tire Tires with extreme uneven wear or with stepped-type wear Damage: Tires with damage which has reached the cords, or with cracks in the rubber Tires with cut or pulled cords Tires with peeled (separated) surface Tires with damaged bead Leaking or improperly repaired tubeless tires Deteriorated, deformed or abnormally damaged tires which do not seem usable 15.
Inspection of rims WARNING Check the rims (wheels) and rings for deformation, corrosion and cracks. In particular, check the side rings, lock rings and rim flanges thoroughly. 2-36