Coach tires include spare tires and must be checked regularly every month. During the inspection, observe the tire surface for cracks or scratches. It's best to put gloves on the inside of the trainer's tire and check for suspicious traces. As long as the slightest suspicious point is found, you should immediately ask the car dealer to do a detailed inspection. Tired tires do not want to throw. If it is found that the condition of the surface of the tires of the trainer's car is not normal, it should be thought that there may be problems with the adjustment of the toe of the wheels and that repairs must be made.
Coach car outer edge wear
If observed along the direction of travel, there is greater wear on the outside edge of the trainer's tire, indicating that the tire is often under-inflated, that is, the pressure is not enough. If possible, inflate according to the "highway" standard, which means that there is an additional 30,000 pas above the normal standard. It should be noted that underpumped trainer tires are not conducive to rainy days, and the grip will be significantly reduced.
Coach car convex and corrugated wear
If it is found that the wearer's tire on both sides of the car wears convexly, and the tire periphery is also corrugated, indicating that the car's shock absorbers, bearings and ball joints and other components wear more serious. It is recommended that you check the wear of the suspension system and replace worn parts before replacing the tires of the trainer. Otherwise, even if you change the tires will not help.
Uniform wear on trainer's car surface
Once the coach tires have been dried, the tire has reached the end of its life and must be replaced. In addition, the pattern also has the effect of dissipating water in the road area, so it is an important link to maintain the car's grip. If the wear has reached the standard depth of the tread (usually 1.6 mm, the width of the tire is greater than 175 mm is 2 mm), it will be replaced.
Coach car center part worn
If it is found that the center area of ​​the trainer's tires is heavily worn, this indicates that the tires are often over-inflated. Be sure to check if the pressure gauge is accurate and adjust the pressure. It is important to know that only when the coach is driving at high speed or on a heavy load, it is necessary to inflate the tire too much.
Coach car tire side crack
This situation is often caused by poor maintenance or driving on rocky roads and construction sites, so that hard objects come into contact with the tires and cause damage to the inner layer of the trainer's tires under heavy pressure. Should act immediately. If the repair is not good, you must replace the coach tires.
Coach car tire inner wear
The inside of the trainer's tire is worn and the outer edge is burr-shaped. It is common for some old coaches to have a poor suspension system, which causes the entire body to sink deep. This shows that the tire deformation, the symmetry of the two tires has been affected. If conditions are available, it is best to replace the shock absorbers, ball joints, and other accessories. However, if the cost is too high, consider asking a professional mechanic to adjust the front axle and tire angle.
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