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Because the hydraulic cylinder has to bear a great pressure, the heavier the load, the greater its pressure will be. Therefore, the maintenance of the hydraulic cylinder is the most important part of the maintenance of the entire hydraulic system.

The hydraulic cylinder is equivalent to the heart of the hydraulic system. It is difficult to repair the heart problems, so the maintenance of the hydraulic cylinder should be careful and meticulous.

First of all, it is necessary to prevent rust.  Because the piston part of the hydraulic oil cylinder extends out of the oil cylinder in the working state, it will naturally be eroded by oxide and acid gas, which requires us to coat it with appropriate amount of grease for protection, so as to prevent the piston as a load-bearing component from being eroded and possibly broken in the work.

Secondly, we should change the oil out of the box.  Because of long-term use, it is inevitable that foreign matters will enter the hydraulic cylinder, thus increasing friction will occur during use. In addition, hydraulic oil also has a certain service life, and failure to change oil for a long time will damage or erode the interior of the hydraulic cylinder.

Treatment is not as good as prevention, so the speed should be controlled properly in the work of the hydraulic cylinder, not more than 2m/s, which can prolong the service life of the hydraulic cylinder. In addition, in order to protect the mechanism and safety, the internal installation of buffer device is very effective for the protection of the hydraulic cylinder.