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Installation: a. drained or blot the old oil
 
B. loosen screw, remove the old oil filter
 
C. at the new oil filter a layer of oil on the seal ring
 
D. install new oil filter and tighten the set screw
 
Suggested replacement cycle: cars and commercial vehicles for half a year
 
Auto demand for oil filter: filter precision, filter out more than 30 um particles, reduce into lubrication gap and cause of wear particles, the oil flow in accordance with engine oil demand. Replacement cycle is long, at least longer than the life of the engine oil (km, time). Filtration precision conforms to protect the engine, reduce wear. Large amount of ash, suitable for bad environment. Oil can adapt to high temperature and corrosion. Filter oil differential pressure is lower, the better, make the oil through smoothly.