Good Quality Xcmg Machine Engine Parts - Crankshaft rear oil seal For Engine – CCMIC

Crankshaft rear oil seal

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The role of the crankshaft oil seal: prevent the oil inside the cylinder from leaking
If in the process of driving, it is found that the oil leakage of the crankshaft rear oil seal is very serious, the emergency measure is to inject part of the engine oil into the crankcase, and then drive the car to the nearest maintenance station for maintenance as soon as possible. Of course, it is best to ask the trailer to send it to the regular maintenance shop for maintenance. The solution is to replace the crankshaft rear oil seal. Although it is only a small oil seal, there are many steps to remove and install it.
Causes of oil leakage of crankshaft rear oil seal:
1. The crankshaft oil seal does not use non petroleum based lubricant in the press fitting process, or uses inferior oil seal, which leads to the oil seal loosening or even falling off after a period of engine use, which will cause oil leakage of the crankshaft rear oil seal, and even serious oil dripping.
2. Because the parallelism of the rear oil seal seat on the pressing surface of the rear oil seal does not meet the technical requirements, the force on the lip of the rear oil seal is uneven. After a period of use, the oil seal will be distorted or aged, resulting in oil leakage and oil seal damage.
3. It has been used for a long time. Due to high temperature or uneven stress, the crankshaft rear oil seal is aging and leaking oil. Of course, the first and second reasons mentioned above also lead to this. Serious oil leakage will lead to the engine seal is not tight, can not achieve a certain lubrication effect.
The effect of oil leakage after crankshaft is to increase the consumption of engine oil. The chassis is always greasy. If you want to replace it, you need to lift down the gearbox and stop all night. There is no oil drop on the ground. If you don’t want to change it, you should pay attention to the oil quantity. Too much or too little engine oil will affect the lubrication effect of the engine, which is not conducive to the service life.

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