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Baotou North Ben heavy truck fittings maintenance knowledge five reasons for oil intake and four troubleshooting methods

Oil influent is a very common failure, but when the oil is inflow, it will result in serious consequences if it is not treated in time. For example, the engine crankshaft, connecting rod and other important parts are deformed, causing engine jitter, and more serious will make the engine discarded. How should we judge the oil intake and how to find the cause of the oil intake?


Five major causes of oil influent


1. Water plugging and leakage of engine


Due to corrosion of scale, water is blocked and rust is passed. Cooling water will enter the oil passage from the channel to the sump. This reason is very common, so check the water plugging regularly.


2, oil radiator breakage


The radiator pipe is damaged. The water outside the radiator of Baotou North heavy truck accessories radiator will penetrate into the oil radiator, which will cause the oil to water.


3. There is a crack in the cylinder sleeve


When the cooling water contact with the cylinder liner in the work, it is easy to produce the crack. Once the crack occurs, the cooling water will enter the cylinder directly and enter the oil bottom through the cylinder wall. This will make the oil white, and the whitening of the oil will lead to problems such as bad combustion and white smoke of the engine.


In general, the cylinder sleeve is not easy to crack, but in some cases, such as the cold water in winter is not added to freeze the freezing liquid, which may cause the cylinder liner to crack.


4. The seal ring of cylinder sleeve is broken


The damage of cylinder seal ring is a common cause of oil intake. Therefore, when investigating troubleshooting reasons, we must remember to check whether the cylinder seal ring is intact.


5, cylinder pad breakage


If the cylinder gasket is damaged, the speed of the water circulation is fast, and the water in the channel will flow into the oil passage and cause the oil to flow in. The damage of the cylinder pad is also one of the common reasons for the oil influent. After each dismantling of the machine, the new cylinder pad is used as far as possible to avoid leakage of the cylinder pad and cause the engine oil to leak and cause the engine damage.


Four major elimination methods for oil influent


1. Observe the appearance of the oil. It is easy to judge whether the oil contains moisture through the color. The oil that does not contain water is translucent oil bright, and the oil containing water will appear opaque brown or yellowish.


2, check whether the coolant contains oil or not, if some parts of the engine are damaged, then the engine coolant will enter the lubricating system and oil together, and the oil in the cooling fluid of the water tank will also be found, and it is easy to distinguish it.


3, if Baotou North Ben heavy truck parts engine oil intake, it will react with the coolant in high temperature environment, forming emulsion. The dipstick will be found white and foam.


4, when the oil contains a lot of moisture, the oil surface of the oil will rise. At this point, we can simply judge the level of the oil gauge.


Summary: oil inlet failure can be judged by the appearance color of the oil, the height of the oil surface, the observation of the oil coolant and so on. When the engine comes into the water, do not start the engine two times. It needs a professional maintenance worker to clean up the water inside the engine. Next, check the oil radiator, water plug, cylinder sleeve seal, cylinder sleeve, cylinder pad and so on in Baotou.