OPERATION 14. Tire Inspection WARNING If worn or damaged tires are used, they may burst and cause serious injury or death. When the tires show the following wear or damage, replace them: Wear: Tires with a tread groove of less than 15% of that of a new tire. Tires with uneven wear or with stepped wear. Damage: Tires with damage that reaches the cords. Cracks in the rubber. Tires with cut or pulled cords. Tires with damaged bead. Tires with peeled or separated surface. Deteriorated, deformed or abnormally damaged tires that do not seem usable. 15. Rim inspection WARNING Check the rims (wheels) and rings for deformation, corrosion, and cracks.
In particular, check the side rings, lock rings and rim flanges thoroughly. WA450-3MC 2-38