HS code accuracy for automotive exports

The HS code accuracy for automotive exportsrole and maintenance skills of the engine air filter Engine air filter is an important part of the vehicle, which is responsible for filtering impurities and pollutants in the air to ensure the normal operation of the engine. Turn and durable performance. This article will introduce the function, types, service life and maintenance skills of engine air filters.I. The function of the engine air filter The main function of the engine air filter is to filter the air entering the engine and prevent impurities, dust, sand, insects and other harmful substances from entering the engine, so as to ensure the normal operation of the engine and extend the service life of the engine. The air filter can protect the engine from external pollution, so that the engine inhales a purer part of the air to increase the oxygen supply, thus improving combustion efficiency and power output. II. Types of engine air filters Engine air filters are mainly divided into three types: asbestos filter, paper filter and electronic filter element. Asbestos filters are rarely used now, mainly because asbestos is carcinogenic and has a short service life. Nowadays, most vehicles use paper and electronic filters, among which paper filters are divided into conventional paper filters and high-performance paper filters for high-performance models.Electronic filters are a relatively newer technology, which is usually used in high-end models. III. The service life of the engine air filter The service life of the engine air filter depends on the material, quality and use environment. Generally speaking, the time interval between ordinary paper filters that need to be replaced is once a year or 10,000 kilometers, while the service life of high-performance paper filters is longer, which can be extended to two years or 20,000 kilometers and replaced again. The service life of the electronic filter is up to 3 years or even longer. IV. Maintenance skills of engine air filter 1. Regular replacement of the engine air filter should be replaced regularly to ensure its filtration effect. Generally speaking, the ordinary paper filter needs to be replaced once a year or after driving 10,000 kilometers, while the high-performance paper filter can be extended to be replaced once every two years or 20,000 kilometers.Two. Cleaning some models of air filters can be used after cleaning, which can save the cost and time of replacement. However, it should be noted that a special detergent needs to be used when cleaning, and it should be dried thoroughly after cleaning, otherwise it will affect the filtration effect of the filter. 3. The dust deposited on the dustproof air filter shelf is also a matter to pay attention to, especially when the ground environment is dirty, it is very important to clean the filter shelf regularly. Four. Routine inspection can usually determine whether it needs to be replaced by observing the condition of the filter. If you find that the filter is dirty or has debris, hair and other debris, it should be replaced or cleaned in time. Summary: The engine air filter is one of the most important parts of the vehicle. It can play a role in preventing the engine from being polluted by the outside world, which also has a great impact on the performance and life of the vehicle.Therefore, we need regular maintenance and replacement.

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