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Home> Blog> Crane hydraulic oil low oil level is harmful, we must know early prevention!

Crane hydraulic oil low oil level is harmful, we must know early prevention!

April 30, 2024
Crane hydraulic oil low oil level is harmful, we must know early prevention!

In the daily work of the crane, the explosion of hydraulic tubing, the damage of the tubing head, and the aging of the oil seal will cause the loss of hydraulic oil. Therefore, the check of the hydraulic oil level in the hydraulic tank is an essential part.

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Some drivers do not think so, and the hydraulic oil will not be made up in time. He thought, "Anyway, the working system can still work normally, let's talk about it later!"

They did not take into account that the working environment of the crane is complex and changeable, and the horizontal position of the hydraulic oil in the tank is also changing at any time. If the hydraulic oil is not enough, it is easy to make the hydraulic system does not absorb the hydraulic oil in time, so the damage to the hydraulic system is great.

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What are the hazards of low hydraulic oil level to the crane?

It is mainly manifested in the following points:

1. Without inhaling hydraulic oil, it sucks in air, and the mixture of air reduces the work efficiency and slows down the operation of the crane.

2, easy to cause the hydraulic oil temperature becomes high.

3. Damage the main pump.

4. After the air enters the hydraulic system, the air can not be discharged in time, resulting in poor circulation.

5, damage to the oil circuit seals, resulting in oil leakage.

6. The pressure of hydraulic oil is weakened.

At this time do not hesitate to fill the oil, how much to fill.

Highlight! Correct steps to replace hydraulic oil

1, first release the hydraulic oil in the hydraulic tank, clean the oil tank and add new hydraulic oil

2. Remove the loop header, start the engine and idle to make the oil pump work

3. Each mechanism is operated separately, and the old oil in the circuit is discharged one by one by hydraulic oil until the new oil flows out of the return oil main pipe

4. Finally, connect the return oil main pipe with the oil tank, and add new hydraulic oil to the oil tank to the specified position.
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