Oil filter using common sense

1. The role of the oil filter Clean oil: The main function of the engine oil is to minimize the impurities generated by friction during operation, reduce energy loss and parts wear. It also has the function of heat dissipation. The oil filter removes impurities such as dust, metal particles, carbon deposits and soot particles from the oil to protect the engine.
2. Technical characteristics of the oil filter 1) Filter paper: The oil filter requires higher filter paper than the air filter, mainly because the temperature of the oil varies from 0 to 300 degrees. Under severe temperature changes, the oil The concentration also changes accordingly, which affects the filtration flow of the oil. The filter paper of the high-quality oil filter can filter impurities under severe temperature changes to ensure sufficient flow.
2) Rubber sealing ring: The filter sealing ring of high quality engine oil is synthesized with special rubber to ensure 100% oil leakage.
3) Reflow suppression valve: only available in high quality oil filters. When the engine is turned off, it prevents the oil filter from drying out; when the engine is re-ignited, it immediately generates pressure and supplies oil to the engine.
4) Overflow valve: only available in high quality oil filters. When the external temperature drops to a certain value or when the oil filter exceeds the normal service life, the relief valve will open under special pressure, allowing unfiltered oil to flow directly into the engine. Despite this, impurities in the oil can enter the engine, but it is much smaller than the loss caused by the absence of oil in the engine. The relief valve is therefore the key to protecting the engine in an emergency.
3. Oil filter installation and replacement cycle 1) Installation:
a) Drain or dry the old oil b) Loosen the fixing screws, remove the old oil filter c) Apply a layer of oil to the seal of the new oil filter d) Install a new oil filter and rotate Tightening screws 2) Recommended replacement cycle: Cars and commercial vehicles are replaced once every six months. Automotive requirements for oil filters Filter accuracy, filter out all >30um particles,
Reduce particles entering the lubrication gap and causing wear (<3um-30um)
The oil flow is in line with the engine oil demand.
Long replacement cycle, at least longer than oil life (km, time)
The filtration accuracy is in line with the protection of the engine and reduces the wear requirements.
Large volume of ash, suitable for harsh environments.
Can adapt to higher oil temperature and corrosion.
When the oil is filtered, the pressure difference is as low as possible, so that the oil passes smoothly.