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Price: $24.98
Range: 160PSIAccuracy: ANSI B 40.1 Grade B
- 20% underinflation can reduce tire life 30%
- 30% underinflation can reduce tire life 40%
- 40% underinflation can reduce tire life 50%
1. DETERMINE ACTUAL TIRE LOADS.
- Weigh several tractor/trailer vehicle combinations that best represent actual maximum load conditions for these vehicles while in operation.
- Determine average weights per axle of these weights and divide that value by the number of tires on that axle to determine actual tire loading.
- Use the actual load per tire (per axle) to determine the cold inflation pressures for the tires by size, ply, and type.
- The actual tire load should be compared to the tire load limits on the chart for the particular tire size and ply rating.
- The corresponding recommended cold inflation pressure is indicated for the load in the chart heading.
- If the actual tire loads are heavier than the ply rating of the applied tire, it may be necessary to install a tire with a higher ply rating.
- In all cases, the determined inflation pressures based on actual load conditions should be considered minimum pressures.
- Operational air pressures can be set higher, but under no circumstances should they be set lower.