Why is the vacuum cleaner cylinder liner excessively worn? . The main reason is that the purity of the oil is not high. If impurities are not filtered out by the filter, the impurities and metal chips in the oil are brought into the cylinder wall, and abrasive wear occurs. After wear, the cylinder sleeve becomes a drum shape. The wear of the cylinder liner is most severe at the first piston ring and cylinder wall contact.
The engine cylinder wear is caused by several reasons:
A, filter failure. In particular, the air filter is broken and the air is short-circuited into the cylinder without filtering. As the dust and impurities in the air enter the cylinder, the wear of the cylinder liner is increased.
Solution: Check the filter frequently and find that it is damaged and replace it in time. Prevent dust and impurities in the air from entering the cylinder.
B. The oil grade is incorrect, resulting in poor lubrication or use of inferior diesel fuel. After the combustion, the coke formation is severe, resulting in serious wear of the cylinder liner.
Solution: Do not be greedy for cheap, use inferior diesel; There is must change the oil to select the oil number, otherwise not lost.
C. Operational problems. Low temperature cold car starts driving. Because the temperature is too low, due to the large viscosity of the oil and poor fluidity, the oil pump is insufficient for oil supply, and it can not maintain good lubrication and increase the wear of the cylinder.
Solution: Do not slam the throttle when the car is cold starting. Preheat it until it is fully lubricated. Or replace the winter special antifreeze engine oil.
D. Cylinder liner quality and assembly problems.
Solution: Replace the qualified product, must be careful when assembling, there can be no deviation. Special vehicles such as vacuum suction trucks and sewage suction trucks have different positions and different working conditions. The wear of various parts of the cylinder liner is also different. The above Suizhou Longli sewage suction truck manufacturers will analyze the cause of excessive wear of the cylinder liner for you. I believe we should have understood the reason.
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