4.9.4 Oil filters
The engine is running, the oil lubricates, however, one way or another, wear products of rubbing parts appear. Wear products are rather small particles of metal shavings that are created during friction and, as a result, wear of parts. Also, the oil is contaminated with carbon and dust particles that penetrate into the crankcase. These mechanical impurities, while getting along with the oil to the rubbing parts, increase their wear, and therefore must be removed from the oil.
Note
Oil filters are used for cleaning the oil from mechanical impurities. As a result of this, the period of the oil change is increased.
Figure 4.40 Oil filter.
Often, two oil filters are installed in the engine: one - mesh filter - is installed on the oil header (which is shown in Figure 4.38), and the second - in its own housing in the most accessible place on the engine block.
The second type filter consists of a body and a filter element inserted into the body.
Note
A centrifugal oil filter for additional cleaning of the engine oil can be used in trucks.
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