General instructions
Tire damage can have serious consequences, so the driver and car maintenance technician should regularly check their condition for early detection of possible defects.
Damaged tires will not be able to withstand driving situations such as high speed, long distances, sports driving, etc.
Damage can be caused by various reasons.
Driving with under-inflated tires.
Tire fitting error. Damage due to hitting an obstacle.
Aging.
Incorrect storage.
WARNING: If a safety hazard cannot be ruled out, the tire must be replaced.
Radial tire design
Nylon bandage 4, ply cords 5, bead cores 6 and bead reinforcements 7 form the carcass. The framework is «bearing element» tires.
Hit Damage
A bulge in the sidewall of a tire indicates carcass damage.
typical «culprits» such damages are, for example, curbs when hitting them at an acute angle (pic. 4.21).
Because of this, the carcass of such a highly compressed tire can be damaged.
In this case, the tire carcass is strongly stretched, which leads to the rupture of individual fibers.
The extent of damage depends on the speed and angle of impact, tire pressure, axle load and type of obstacle.
NOTE: Curbs should be avoided. If you still need to drive onto the curb, then you should move over its edge at an obtuse angle and very slowly.
Due to a strong impact, the frame pinched at the side flange and broke at the point of contact (pic. 4.23).
Internal tire damage due to impact (double break)
The double gap resulting from compression when hitting a curb is often invisible from the outside (pic. 4.24).
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