![]() ![]() ![]() During the major trucking trade shows and exhibitions, some of the tire companies and retread associations will have multiple inflated tires on display with a contest for truckers to identify the tire pressures from low to high based on using the old reliable baseball bat. Some drivers use their boot to kick the tires to check for proper pressure, others use a baseball bat and a few drivers use a stick or a dial pressure gauge. It can take several hours for a tire to cool back down and reach ambient pressure.ĭuring the pre-trip inspection process, tires should be at the top of the list for drivers. A hot tire may see an increase of up to 15% from the cold inflation pressure. Never adjust tire pressure based checking a hot tire just coming off the highway. Once you know that load, a load/inflation table will advise what is the recommended cold tire inflation pressure.Ĭold inflation is based on room temperature of 68° F and do not include any inflation pressure build-up due to vehicle operation. ![]() Recommended tire pressure is based on the worst-case load the tire will see under real world conditions. Fleets that see off-road service and pickup and delivery city service, for example, should be checking tire pressures most frequently. “Regular” for some fleets may mean every day, once a week or monthly for others, it might mean only during a PM. Visibly inspecting tires and checking tire pressures are recommended on a regular basis. Every tire manufacturer is constantly preaching the importance of maintaining proper tire inflation when it comes to maximizing tire treadwear, increasing casing retreadability, improving fuel economy and lowering cost per mile. ![]()
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