Three reasons why lubricating oil generates mechanical impurities
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Three reasons for mechanical impurities in lubricating oil: They are caused by the impurities already present in the equipment system before new oil is added. Impurities often form in both new and long-used equipment; in such cases, the equipment is usually rinsed with cleaning oil until the impurities contained in the oil meet the specified standards. The storage, transportation, and use of lubricating oil were not carried out in accordance with the prescribed procedures, which allowed impurities to enter during these processes and affected the quality of the oil. The sediment is mainly composed of high-viscosity engine oil with a high dosage of additives, which will precipitate to varying degrees at low temperatures. This sediment is not caused by impurities resulting from the long-term use of the equipment, nor is it the result of external impurities entering and contaminating the oil; therefore, it has no impact on the normal use of the oil.
As a supplementary point, over time, some fuel tanks may develop rusted patches that fall off, which is also one of the main causes of impurities and should not be ignored.