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Old 09-21-2018, 09:39 AM   #31
Tireman9
Senior Member
 
Join Date: Sep 2018
Location: Akron
Posts: 453
Safety Warning

It is one thing to need to add 5% to 10% of the pressure needed to "top-off" your tires. If however you have lost significant amount of air (20% or more ) and had been driving on the tire before discovering it there might be damage to the tire structure which could result in an explosive rupture when re-inflating.
This is especially true for steel body tires. A tire shop safety cage is the ONLY way a steel body tire should be inflated if the tire was ever run with low air.
https://www.caba.biz/Portals/9/Zippe...ll%20Chart.pdf
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Retired Tire Design Engineer (40 years). Serve on FMCA Tech Advisory Committee. Write a blog RV Tire Safety. Read THIS post on Why Tires Fail.
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