HS code verification in Middle Eastern markets

With the continuous progress of automobile technology,HS code verification in Middle Eastern markets the engine has become one of the core components of automobiles. In order to ensure the long-lasting and efficient operation of the engine, the deep cleaning and maintenance of the engine compartment is particularly important. This article will introduce the necessity of cleaning the engine compartment, the steps of cleaning, the precautions for cleaning and the cleaning cycle. I. The necessity of engine compartment cleaning The engine compartment is a closed space for automobile engines, in which a lot of mechanical parts are stored. In the daily driving of the car, the engine compartment is attacked by a large amount of dust, sand, oil stains, water vapor and other pollutants. These pollutants will not only cause rust and corrosion of engine parts,Moreover, it will lead to poor engine cooling, poor air intake and other faults, which will affect the performance and durability of the car. Therefore, it is especially important for the deep cleaning and maintenance of the engine compartment. II. Step 1 of engine compartment cleaning. Check the engine compartment before cleaning, and pay attention to whether the engine has oil stains and oil stains are leaking. If it is found, it must be eliminated as soon as possible. It is also necessary to ensure that all lines, interfaces and connection points are plugged in tightly. Two. Cleaning Before cleaning, all parts such as wipers, clutches, turbines, etc. need to be removed from the engine compartment. Then rinse the ground and walls inside the engine compartment with a high-pressure water gun to clean all the accumulated dust. For more complex oil stains, you can use a professional cleaning solution to clean it. 3. After the cleaning of the oil, we can spray the engine compartment with oil sprayer to increase the brightness of the paint.At the same time, antifreeze can also be used for the pump wheel to ensure its service life. Four. The last and most important step of testing is to test the engine compartment. After cleaning, it is necessary to eliminate possible problems by detecting black smoke, oil temperature and water temperature. After making sure that everything is normal, put the originally removed parts such as wipers, clutches and turbines back into the engine compartment. III. Precautions for cleaning the engine compartment 1. When cleaning, water and other cleaning solvents should be avoided from entering the intake duct, exhaust pipe and electrical device of the engine, or the socket and connection of the interface, so as not to affect the normal use of the car. Two. When cleaning, you should choose to use high-quality detergents, and choose different detergents according to different engine materials. 3. For parts that need to be disassembled, you must first understand its disassembly method to avoid incorrect disassembly and installation.Four. After cleaning, it is necessary to check whether the connection of each connection point is tight and stable, and whether the engine temperature is normal. IV. The cleaning cycle of the engine compartment. For the cleaning and maintenance of the engine compartment, it is best to carry out together with the annual regular maintenance, and the cleaning cycle can also be determined according to the number of uses and the use of the vehicle. In daily use, if it is found that there is oil stains that are difficult to remove inside the engine compartment, it also needs to be cleaned in time. In a word, the cleaning and maintenance of the engine compartment is an important means to ensure the operation efficiency of the vehicle engine and extend the life of the engine. During the cleaning process, it is necessary to ensure the quality of the cleaning agent and the correctness of the cleaning method. At the same time, it is necessary to pay attention to and ensure that cleaning does not affect the normal use of the engine.

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