1. After the car has been running for a period of time, the tires must be cooled before refilling. This is because the tire temperature will rise when the vehicle is running, which affects the air pressure.
2. Check the valve. If the valve nozzle and the valve core are unevenly matched, there are convex and concave phenomena and other defects, it is not easy to inflate and measure air pressure.
3. Pay attention to clean aeration. The filled air must not contain moisture and oil to prevent deterioration of the inner tube rubber.
4. Inflation should not exceed the standard too much, nor should it be over-inflated due to long-term business trips. Excessive over-standard will cause the cord to stretch too much, causing its strength to decrease, and affecting the life of the tire.
5. Be careful when charging. Before inflating, wipe off the dust on the valve mouth and do not loosen the valve core. After the inflation is completed, use soap foam to wipe on the valve mouth to check for air leakage. If the air leaks, continuous small bubbles will be produced. Then tighten the valve cap to prevent sediment from entering the valve.
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