What are the main points of semi-trailer maintenance that need attention?

Semi-trailer is a large vehicle often used to transport goods, in order to ensure the safety and efficiency of the semi-trailer, maintenance is very important. Here are some points to look out for:

1. Regularly check the tire condition of the semi-trailer, including tire pressure and tire wear. Replace severely worn tires in a timely manner and ensure that tires are properly inflated to avoid accidents.

2. Regularly check the suspension system and brake system of the semi-trailer to ensure the normal operation of the suspension parts and brake parts. Pay special attention to the wear of the brake disc, and replace the brake disc in time to ensure the effect of the brake system.

3. Regularly replace the lubricating oil and grease of the semi-trailer, including engine oil, transmission oil, steering fluid, brake fluid, etc. Ensure the lubrication of each component, reduce friction and extend service life.

4. Regularly check the electrical system of the semi-trailer, including lighting, instrument panel and line connection. Ensure that the electrical system is working properly to avoid accidents caused by electrical faults.

5. Regular cleaning and rust prevention of the chassis of the semi-trailer to reduce the occurrence of corrosion. It is also possible to check the structure of the chassis regularly to ensure its stability.

6. Regularly replace the air filter and oil filter of the semi-trailer to ensure the normal operation of the engine. Also check the cooling system of the engine regularly to avoid overheating.

7. Regularly check the connections and connecting parts of semi-trailers, including the connections of trailers and trailers, ropes, wire ropes, etc. Ensure that the joint is firm and reliable to avoid falling off accidents.

To sum up, the maintenance of the semi-trailer is the key to ensure its safety and operating efficiency. Only regular maintenance, timely discovery and solution of problems, in order to ensure the normal operation of semi-trailer, improve transportation efficiency, reduce the risk of accidents. Hopefully, the points mentioned above will help you maintain and maintain your semi-trailer effectively.