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四川轮胎橡胶(集团)股份有限公司
四川轮胎橡胶(集团)股份有限公司

四川轮胎橡胶(集团)股份有限公司

四川轮胎橡胶(集团)股份有限公司
四川轮胎橡胶(集团)股份有限公司

四川轮胎橡胶(集团)股份有限公司

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Common sense of tire maintenance safety
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Common sense of tire maintenance safety

  • Categories:Maintain
  • Author:
  • Origin:
  • Time of issue:2013-06-28
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(Summary description)1. Tire pressure. The inflation pressure of the tire must be inflated to the corresponding pressure specified by different types and specifications of tires in accordance with national standards.

Common sense of tire maintenance safety

(Summary description)1. Tire pressure. The inflation pressure of the tire must be inflated to the corresponding pressure specified by different types and specifications of tires in accordance with national standards.

  • Categories:Maintain
  • Author:
  • Origin:
  • Time of issue:2013-06-28 14:30
  • Views:
Information

1. Tire pressure

The inflation pressure of tires must be inflated to the corresponding air pressure specified by different types and specifications of tires in accordance with national standards.

Depending on the vehicle with which the tire is fitted, the front and rear wheel air pressures recommended by the car manufacturer and tire manufacturer can be inflated.

The size of a new tire will change (expand) after a period of use, and the corresponding internal pressure will decrease. Therefore, the tire pressure should be checked before leaving the car, and the tire pressure must be checked and filled to standard pressure after the car has driven 2000-3000 kilometers.

The tire pressure used by the twin tires must be the same.

When driving at high speed, the internal pressure should be increased by about 10%.

The internal pressure of the tire will heat up due to exercise during driving, and it will return to its original state after cooling, so when the tire heats up (internal pressure rises), it cannot deflate.

The measurement of tire internal pressure should be carried out at room temperature.

Check the tire pressure frequently (once a month if there is no abnormality).

After each tire inflation, use soapy water to check whether the valve is leaking, and screw the valve cover.

The spare tire of the vehicle should be kept available at all times.

2, load

The effect of excessive load

There is a one-to-one correspondence between load and internal pressure. For tires under standard air pressure, if the load is too high, it is similar to low air pressure. Therefore, failures that may occur during low air pressure can also occur under high load. Increase the load correspondingly to increase the air pressure, and at the same time reduce the driving speed, otherwise it will be very dangerous.

Excessive load can easily cause abnormal tire wear and severely affect tire life. Frequent use under overload conditions will reduce the service life of the tire by 20%-50%.

The load on the tire is too large, which affects the durability and high speed of the tire and causes early damage to the tire.

Wrong loading method not only affects driving safety, but also causes excessive tire load in some areas of the vehicle.

The vehicle loading cargo should be evenly distributed to avoid overloading a certain tire.

3. Speed

The impact of high-speed driving on tires

A. The faster the speed, the relative increase in driving force, braking force and centrifugal force, which increases the possibility of tire skidding relative to the road surface, increases heat generation, and shortens tire service life.

B. As the speed increases, the number of tire deformations increases significantly, the heat generation increases, and it is prone to failure.

C. The speed increases, the air resistance increases, and the heat loss increases and wastes energy.

D. As the driving speed increases, the braking distance increases. Therefore, to increase the vehicle speed, the distance between the vehicles must be ensured to facilitate braking, avoid unnecessary or frequent braking, and reduce the consumption of tires.

4. Coaxial, twin

A. When using twin tires, tires with larger outer diameters will wear more, so when using twin tires, you should use tires of the same brand and specifications (preferably produced in the same period). For tires with a cross-section width of 9.00 inches or more, the outer diameter tolerance of twin tires is generally within 7 mm; for tires with a cross-section width of 8.25 inches or less, the outer diameter tolerance of twin tires is generally within 5 mm.

B. If the twin tires have a difference in outer diameter, the smaller outer diameter should be installed on the inner side.

C. When using twin tires, the pressure difference of the tires should be kept within the range of 20kpa (0.2kg/cm2).

D. With low internal pressure and high load, it is easy to shorten the distance between the twin tires or even contact them together. This situation will cause the tires to rub, generate heat, and cause malfunctions.

5. Tire rotation

Because the front wheel is generally affected by the brake device, it is prone to partial wear. The rear wheel wears even more due to the heavy load, especially when it is the driving wheel. Therefore, it is important that the tire positions are interchanged appropriately. It can reduce eccentric wear and wear to a minimum, so as to give full play to the effectiveness of each tire, and ultimately achieve the purpose of extending the life of the tire. The timely rotation of tires can also detect vehicle inclination problems early.

6. Safe driving

A. New tires also have a period of wear during use, generally around 200 kilometers.

B. After driving at high speed for a period of time (usually 1-2 hours), you should take a break and check the tires.

C. The tires cannot deflate when the air pressure increases after driving at high speed.

D. Avoid sudden starts, sudden braking, sharp turns, etc.

E. Avoid overloading and speeding. .

F. In special weather or environment (such as rain, fog, snow, mud, small roads, etc.), you should slow down and drive carefully.

G. For poor roads, try to avoid severe impact on the tires.

H. Slow down when encountering a curve.

I. Maintain a proper distance between vehicles while driving.

J. Frequently carry out tire inspection, maintenance, replacement and repair work.

K. The reconditioned tires are not allowed to be installed on the front wheels.

L. The tire must be replaced when it is worn to the wear mark.

M. The tire is found to be defective and should be replaced immediately.

N. The spare tire should be kept on standby.

7. Tire inflation

Tyre inflation should be divided into two steps. Fill a small amount of air first, make sure that the tire has been correctly installed on the rim, and then continue to inflate to standard pressure. The rim lines on the sidewalls should all be exposed outside the rim.

8. Tire installation

A. Tires must be installed by trained professionals.

B. The installation of tires must use special equipment or preferably mechanical installation.

C. The tire/rim assembly must be balanced and corrected (the tire is not installed correctly, or the tire/rim assembly is unbalanced will produce vibration and noise, affect comfort and cause abnormal wear and reduce the service life of the tire).

9. Selection, use or management of tires for high-speed transportation.

A. Radial tires should be used for highway driving. High-grade passenger vehicles should use tubeless radial tires.

B. Pay attention to the speed level of the tire.

C. The tire pattern should be a strip pattern with fast heat dissipation and good lateral stability.

D. High-speed tires must undergo balance testing and weight correction.

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