Medical reagents HS code verification

Engine oil replacement,Medical reagents HS code verification let your car start again, the engine is the "heart" of the car. In long-term use, various pollutants and wear particles will be produced, which will circulate to various parts through the oil. It was taken away, so it is crucial to replace the engine oil. If the oil is not replaced in time, the oil will deteriorate, resulting in increased friction and loss, eventually causing serious damage to the engine or the whole vehicle, and even causing the engine to be unable to start normally. The frequency of oil changeUsually, the oil replacement cycle is 10,000~15,000 kilometers or every 6 months, but for owners who use it frequently and drive for a long distance, it is best to change the oil every 5,000 kilometers to fully protect the engine and prevent excessive wear. The role of engine oil. Engine oil plays an important role in the engine. It can play the following roles: First, the engine oil can effectively lubricate the internal parts of the engine, such as pistons, crankshafts, rocker arms, camshafts, etc., and play the role of lubrication, cooling and shock absorption in friction, so as to protect these parts from excessive grinding. Loss. Secondly, the engine oil can absorb and disperse the combustion products generated inside the engine, ensure the cleanliness of the engine, and prevent the generation of carbon accumulation and corrosion. Finally, the oil also has the effect of sealing and anti-rust, which can protect the metal parts inside the engine from oxidation and corrosion.Oil replacement steps The following is an introduction to the specific steps of oil replacement: Step 1: Prepare oil replacement tools. In order to replace the oil, we need to prepare the following tools: oil filter, wrench, oil leak plate, support plate or bracket. Step 2: Discharge waste oil. First of all, we need to find the oil pan at the bottom of the car, insert the oil spill, open the bottom shell, and place the oil leak. At this time, the waste oil of the car will flow into the oil spill plate. Step 3: Replace the oil filter. Next, we need to remove the oil filter from the filter cup, unsqueew the filter shell with a wrench, remove the oil filter, wipe the replacement position with a clean cloth, apply the new oil to the O-ring, and then reinstall the new oil filter. Step 4: Add new oil. When all the waste oil is discharged, we need to close the oil sup, open the engine cover, and add new oil.First, add half of the oil, wait for two minutes, then check the oil level with an oil meter, and then continue to add the remaining oil. Step 5: Start the car. Finally, we need to start the engine, run the oil pump and adjust its oil pressure, check the engine water temperature gauge, ensure that the water temperature is within the normal range, turn off the engine, check the liquid level meter again after the oil completely flows back to the oil tank, and finish the oil replacement after meeting the requirements. In summary, the replacement of engine oil is an important part of the daily maintenance of the vehicle, which can fully protect the engine and extend its service life. When changing the engine oil, you must pay attention to the above steps to ensure the safety and standard of operation. At the same time, we suggest that you choose regular brand oil in the selection of engine oil, which can better protect the engine and make your car start again.

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