HS code application in re-export scenarios

Engine lubrication system (engine lubrication system: important maintenance work to protect the operation of the machine) The HS code application in re-export scenariosengine is the most core equipment of the vehicle, and its normal operation plays a crucial role in the driving performance of the whole vehicle. However, as a high-speed rotating and closed hydraulic system, the high-temperature and high-pressure environment generated by the engine will cause great friction and wear to various parts inside the engine. In order to extend the life of the engine and ensure the safety of the vehicle, the maintenance of the engine lubrication system is particularly important. The engine lubrication system is a system used to provide various parts of the engine with lubricating oil to meet their own operation needs. Its function is to distribute oil to various parts of the engine, reduce abrasion damage, reduce mechanical noise, maintain the normal operation of the engine, and extend the service life of the engine.During the operation of the engine, the oil must pass through the corresponding parts to lubricate the contact surface between the rotating parts, so that the friction between them can be reduced and excessive damage can be avoided. At the same time, oil also plays a role in dissipating heat and reducing excessive heat generated by friction as much as possible. Important parts in the engine lubrication system include: oil pump, oil filter, oil radiator, oil pressure sensor, oil channel between the cylinder head and cylinder block, etc. The oil pump is one of the most important components in the engine lubrication system. It is responsible for pushing the oil to various parts of the engine for lubrication. Although the efficiency of the oil pump is quite strong, if it is used for a long time or lacks normal maintenance, the prototype oil pump will have oil leakage, insufficient exhaust and other faults, thus affecting the normal oil supply. And the oil filter is also to maintain the lubrication system.One of the important equipment, its main function is to filter the oil and prevent dirt, metal fragments and other substances from entering the engine and causing damage. Therefore, the oil filter also needs to be replaced regularly. The oil radiator is also an indispensable part of the engine lubrication system. It dissipates heat through airflow during engine operation to keep the oil running within the normal temperature range. If the radiator is blocked or damaged, it will cause the oil to overheat and damage all parts of the engine. Therefore, it is essential to regularly check the cooling effect of the radiator and the leakage problem on the surface of the radiator. The oil pressure sensor is also one of the important components in the engine lubrication system, which mainly monitors the pressure of the oil. If the oil pressure is too low, it will cause the engine lubrication system to work abnormally until it fails. Therefore, maintenance personnel must ensure the accuracy and sensitivity of the hydraulic sensor, and repair or replace it in time.In addition, the oil channel between the cylinder head and the cylinder block, an important part of the engine lubrication system, also needs normal maintenance. In the process of use, there may be problems such as oil loss and excessive aging, so it is necessary to check the oil condition and oil status between these parts from time to time. The purpose of maintaining the engine lubrication system is to ensure the quality and amount of oil to minimize engine wear and failure. Standard lubrication maintenance work needs to be carried out in a certain amount of time and mileage. Lubricating oil level, brand, cleanliness, oil pressure, etc. need to be carefully considered to ensure good lubrication and protect the engine. In a word, the engine is the core part of the vehicle, and the lubrication system is an important part of maintaining the stable, long-term and smooth operation of the engine. Lubricating oil must be checked and replaced regularly to ensure the long-term reliability and safety of the engine.By improving the maintenance level of the engine lubrication system, it can not only improve the maintenance level and better extend the life of the machine, but also reduce the maintenance cost of vehicles without frequent replacement and repair for car owners.

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