Metal scrap HS code classification

Engine cleaning and Metal scrap HS code classificationprotection (car engine cleaning and maintenance, making your driving more stable) With the continuous development of the automobile industry, car owners pay more and more attention to the use and maintenance of cars. This article will introduce the maintenance effect and advantages of engine cleaning and protection on automobile engines. I. The significance of engine cleaning and protection. The engine is the "heart" of the car and plays an important role in converting fuel into power. In the process of long-term use, it is inevitable that sediments, dirt and other dirty things will appear, which will hinder the normal operation of the engine, resulting in many problems such as decreased performance of the car and increased fuel consumption.Therefore, it is especially important to clean and protect the engine. II. Methods of engine cleaning and protection There are many methods of engine cleaning and protection, including chemical cleaning, mechanical cleaning, etc. Among them, chemical cleaning is one of the commonly used methods at present. For parts that cannot be cleaned, such as intake duct, throttle valve, ternary catalyst, etc., can be cleaned with engine auxiliary cleaning equipment. Chemical cleaning uses detergents to dissolve or decompose oil stains, carbon and other pollutants inside the engine, so as to clean the inside of the engine. This cleaning method can not only clean the passage of the engine, but also disperse all kinds of dirt to achieve the purpose of cleaning and protecting the engine. III. Advantages of engine cleaning and protection 1. Enhanced power After engine cleaning and protection, the inside of the engine will no longerThere are carbon accumulation and foreign matter, and the intake airway is cool and smooth, which can make the engine run more smoothly, thus improving the power and acceleration of the car. 2. Reduce fuel consumption. After cleaning and protection, the friction coefficient inside the engine is reduced and the operation is smoother, so the fuel consumption will decrease accordingly. 3. Extend the service life. After regular cleaning and protection, carbon, dirt and other substances inside the engine will not accumulate for a long time, so as to reduce losses and extend the service life of the engine. 4. Improving safety engine cleaning protection can not only enhance the power and acceleration of the car, but also effectively remove sediments, dirt and other foreign matter, so as to eliminate the possibility of abnormal situations when the car is driving and improve driving safety. IV. Precautions for engine cleaning and protection 1. Before cleaning, the engine must be checked. Before cleaning and protection, it must be checked whether the engine is faulty or some parts need to be repaired or replaced.2. After cleaning, the oil must be replaced in time. After cleaning and protection of the engine, the oil must be replaced in time, otherwise the cleaned dirty things will be mixed into the oil, thus affecting the performance of the engine. 3. Pay attention to the dosage of cleaning agent. The cleaning agent should be used for a certain amount and duration, which must be used in accordance with the requirements of the instructions. 5. Cleaning protection cycle The engine cleaning protection cycle can be determined according to the mileage or time of the vehicle. It is generally recommended to carry out at 30,000 kilometers or at least once a year. In a word, engine cleaning and protection is a necessary car maintenance item. Regular engine cleaning and protection can reduce engine wear, reduce fuel consumption, extend service life, improve power and safety, etc., and create a comfortable and smooth driving experience for the owner, making your vehicle more stable.

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