Analysis of Causes of Excessive Deterioration of Diesel Engine Oil

What is the reason why the oil in the 600kw generator sets deteriorates too quickly? The diesel generator set should be replaced with oil once after 500 hours of operation. However, sometimes it does not reach the replacement period, or if it has not been used for a long time, the phenomenon of thinning of the engine oil and increase of impurities has occurred and it cannot be used.

1. The diesel engine is often operated at low temperature, low load, and low speed. The amount of piston deformation is not enough and the combustion is incomplete. Diesel oil enters the oil pan along the cylinder wall to dilute and deteriorate the engine oil.

2. The oil grade is wrong, and the quality cannot meet the requirements. Generally diesel engines with supercharged and calibrated speed greater than 2000r/min should use engine oil with CC grade or above;

3, diesel engine technology is not good, helium, oyster sauce, with the gap is too large or the oil temperature is too high;

4. Exhaust gas enters the oil pan and condenses into moisture and acidic substances, which deteriorates the engine oil;

5. The oil filter element is dirty, and unfiltered dirty oil enters the lubrication area, which accelerates the wear of the parts.

6, the filter seal ring rupture and internal leakage occurred, part of the oil without filter and directly through the filter caused by oil deterioration.

Understand why diesel engine oil has deteriorated too quickly. We hope that users will be aware of the prevention of engine oil deterioration during the use of the unit.

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