The function of the oil filter is to filter out the harmful impurities in the oil from the oil pan and provide clean oil to the crankshaft, connecting rod, camshaft, supercharger, piston ring and other motion pairs. , so as to play the role of lubrication, cooling and cleaning, thus extending the service life of these parts.
According to the structure, mechanical filters can be divided into replaceable, rotary and centrifugal types; According to the arrangement in the system, it can be divided into full-flow type and split-flow type. Filter materials used for mechanical filtration include filter paper, felt, metal mesh, non-woven fabric, etc.
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Precautions:
1. When choosing the oil filter, it is very important to look at the displacement of the vehicle in addition to the model and annual fee. The specifications of engine oil filter with different displacement are different.
2. When buying the oil filter, be optimistic about whether there is an anti-counterfeiting label, so as to better ensure the product quality and avoid buying fake and shoddy products.
3. When buying machine filter, you can go to the local auto parts market. The products are comprehensive and diverse, and the quality can be guaranteed.
4. After purchasing engine oil and three filters of engine oil, you can find a familiar repair shop to replace it. As long as you give the other party some working hours, you will feel more at ease.
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