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What is the reason for the blue smoke from the trachea of ​​the excavator engine?

After all, an excavator is composed of multiple precision components. Errors in each link will cause large or small failures. It is not that new machines will not appear. For example, the engine trachea below has a blue smoke failure.

The reason for the blue smoke from the exhaust pipe of the excavator engine is that the excavator engine burns oil. What should I do if there is "blue smoke from the exhaust pipe of the excavator engine"? What are the reasons for the failure?

The reasons for the failure of "causing blue smoke from the exhaust pipe of the excavator engine" are as follows:

1. The oil grade selected by the user is incorrect or the quality is too poor.

2. The user has added too much oil in the oil pan, so that the big end of the connecting rod throws too much oil onto the cylinder wall, causing serious leakage of the cylinder.

3. The blockage of the air filter of the excavator leads to poor air intake, so there is too much oil in the oil pan (oil bath air filter).

4. When the excavator runs at low load for a long time, the gap between the piston and the cylinder liner is large, which makes the oil easily enter the combustion chamber.

5 Piston rings are stuck or worn too much or not elastic enough.

6 When the excavator is installed, the chamfering direction of the piston ring is reversed, and the opening gaps of several piston rings are almost opposite, so that the oil enters the combustion chamber.

7. The gas oil seal is damaged.

8 Valve guide wear allows oil to escape into the combustion chamber.

9. The elastic sealing ring of the supercharger is worn, causing the oil to enter the combustion chamber.

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