Tyre Damage AnalysisThe illustrations below indicate acton to be taken with various damage conditions:
| Extent of damage |
Action to be taken |
Illustration |
| Cuts |
| Shallow, not into cord body Deep but not into cord bodyDeep and into cord body. Some cord damage.Excessive cord damage. |
Run out Repair and run out. Reinforce and repair. Scrap. |
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| Penetrations |
Shallow into rubber. Into cord body. Deep and through the body cord. |
Remove object repair if necessary. Remove object and repair.Remove object repair or scrap. |
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| Seperation |
| Sweeling tyre |
This condition is not normally repairable. Scrap. |
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| Irregular Tread |
Feathering i i i i iRapid wear of both shoulders or centre. i Spot Wear i i i i Wear on one shoulder |
Rotate and/or reverse tyres. Check loads, pressures and for mechanical defects. i Check pressures and loads.
Check brakes, wheel bearings, rim components and whel alignment. i Check wheel alignment. |
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| Tread Chunk-out |
| Rubber chunks out |
Improve road conditions. Rotate or reverse tyres. Avoid rough driving. |
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| Cracking |
Minor cracks i i i Severe cracks |
Continue to use, ensure adequate pressure. i Inspect |
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| Impact Fracture |
| Tyre bursts from shock or cutting |
Scrap and review pressures. |
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| Worn Out |
| Even wear with no external damage or swelling. |
Retread or scrap. |
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