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Position:Home > Common problems

Why lubricating oil change regularly?

Source:未知 Sentiment:Published time:2016-07-12

Lubrication oil use after a certain period of time, due to the following factors affect the quality of the oil, so it must be replaced periodically: 1, the friction surface due to wear and wiped off the scrap metal; 2, by air into the dust, and other hard particles; 3, there is no carefully remove sand casting...