Tire explosions (pyrolysis) Explain dangers Identify controls When a rubber tire becomes overheated, a • Avoid using a heat source on tires, if possible. chemical reaction in the rubber called pyrolysis If a heat source must be used, deflate can occur....
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Tire explosions (pyrolysis) Explain dangers Identify controls When a rubber tire becomes overheated, a • Avoid using a heat source on tires, if possible. chemical reaction in the rubber called pyrolysis If a heat source must be used, deflate can occur. Pyrolysis causes the rubber to and unseat the tire from the rim or prop deteriorate. At a certain point, this deterioration the tire seating open with a metal object can create a very rapid pressure increase inside such as a tire iron before doing the repair. the tire that can lead to a sudden and unexpected Once completed, let the tire cool to normal explosion. temperatures and inspect the tire internally Pyrolysis can occur when heat is applied to a tire, for deterioration before reseating. such as when heating lug nuts using a blow torch. • If a tire has been heated and there is concern Other heat sources include the following: pyrolysis could be occurring, it is safer to assume it is actually happening and take • Overheated brakes pr
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