Taboos in construction machinery maintenance—Only adding oil but not changing it

Engine oil is indispensable in the use of diesel engines. It mainly plays lubrication, cooling, cleaning and other functions. Therefore, many drivers will check the amount of lubricating oil and add it according to standards, but they neglect to check the quality of lubricating oil and replace the deteriorated oil, resulting in some engine moving parts always being poorly lubricated. Operating in the environment will accelerate the wear of various parts.

Under normal circumstances, the loss of engine oil is not large, but it is easily contaminated, thus losing the role of protecting the diesel engine. During the operation of a diesel engine, many contaminants (soot, carbon deposits and scale deposits generated by incomplete combustion of fuel, etc.) will enter the engine oil.

For new or overhauled machinery, there will be more impurities after trial operation. If you rush to put it into use without replacing it, it can easily cause accidents such as burning tiles and holding the shaft.

In addition, even if the engine oil is replaced, some drivers, due to lack of maintenance experience or trying to save trouble, will not thoroughly clean the oil passages during replacement, leaving mechanical impurities still remaining in the oil pan and oil passages.

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