Correct use and maintenance of tractor tires
Tyres are important components of wheeled tractors. If they are used and maintained improperly, they can easily cause early wear, blasting, and fractures in the work. This not only increases the cost of repairs, but also takes time and effort. Therefore, the correct use and storage of tires have more important practical significance.
1. Use Tire Compliance Tiers of different models require the use of tires of different specifications. Even the same tractor requires different tire sizes for different applications. Different tire specifications require different air pressure and load carrying capacity. For example, Shanghai-50 tractors use 12.4/11 to 28 tires during dry farming or transport operations, and high pattern tires 11 to 28 should be used when farming in wet fields or paddy fields.
2. Correctly adjusting the air pressure of the tire has a great influence on the service life of the tire. The low air pressure causes large deformation of the carcass, which makes the plies easy to break and peel and delaminate. The high air pressure, especially at high temperatures in summer, tends to cause tire blasting. According to surveys, in terms of front tire damage, some front tires are often damaged due to insufficient or excessive air pressure. For example, the 6.00-16 guide wheel pressure of the Shanghai-50 tractor is 0.25 MPa. When used, the air pressure is lower than the standard 30% for a long time, and its service life will be shortened by 40% to 50%.
To ensure the correct air pressure, work should pay attention to: 1 often use a barometer to check the tire pressure, the error should be less than 0.02 MPa; 2 according to the temperature is different, the air should be set aside for the appropriate amount of thermal expansion and contraction; 3 regular inspection Whether the valve core runs out of air, whether there are nails and sharp stones in the tread.
3. Ensure a reasonable load The tire is overloaded and can cause rapid damage, especially on trailer tires. Therefore, taking into account the normal load of the tire, it is best to 80% to 90% of the maximum load is appropriate, absolutely prohibit overload. Such as 6.00-16 tires, its maximum load is 550 kg, if you often work more than this load, the service life will be shortened by about 1/2. Moreover, the tractor is overloaded and there are still serious safety issues.
4. The reason that the correct positioning of the front wheel causes the front wheel of the tractor to change is mainly due to improper installation and adjustment, and some part wear changes. Positioning damage not only affects walking and steering, but also causes tire wear and early scrapping. To make the front wheel correctly positioned, it should be: 1 Regularly check and adjust according to the regulations; 2 Repair or replace the steering joint after being worn out; 3 Regularly check whether the nuts and bolts of the wheel are tightened, and whether the bearing is loose, etc.; After half shaft deformation, it should be promptly corrected.
5. Precautions during operation In the driving of the tractor, on the basis of strictly obeying traffic laws and regulations and operating procedures, try to do the following aspects to extend the service life of the tire. The main goal is to get started, stop smoothly, use less emergency braking, stick to medium-speed driving, pay attention to the choice of road surface, and do not drive at high speed on uneven roads. Try to avoid wear and damage caused by abnormal deformation and impact of the tire. At the same time, the left and right tires should have the same air pressure, consistent with the old and new, so as to avoid partial wear. If the wear is not uniform, use the right and left tires. When replacing tires, they should be replaced in pairs on the same shaft.
6. The storage of tires often remove the dirt on the tires. Try not to stick with oil, acid or alkali and other corrosive substances on the tires to prevent the tires from aging. After parking, try to avoid tire wind, sun, rain, it is best parked in a dry garage. When the farmer is not parked, the tires should be erected to prevent local deformation of the tires. Tire storage time should not be too long (such as more than 2 years), otherwise it will shorten the life.
The correct use and maintenance of tires is not difficult, and every tractor driver can do it, but it is difficult to pay attention and persist. In the investigation, the author found that there are more tractor drivers who do not care much about the service life of the tires and do not care about them. For this reason, it is hoped that the majority of tractor drivers will carefully calculate the economic accounts and security accounts, and will be highly aware of the correct use and maintenance of tires. Then, with reference to the six aspects of this article and the relevant instructions, the use of tires will be effectively implemented. With the maintenance work, this will certainly benefit a lot.
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