Since the hydraulic cylinder has to withstand a lot of pressure, the heavier the load, the greater its pressure will be, so it is recommended that you do a good job of maintaining the hydraulic cylinder, which is a very important part of the maintenance process of the entire hydraulic system.

First, rust prevention. Because the piston part of the hydraulic cylinder is to extend out of the cylinder in the working state, it will naturally be corroded by oxides and acidic gases. This requires us to apply an appropriate amount of grease to it for protection, so as to prevent the piston as a load-bearing component from being corroded and possibly breaking during work.

Secondly, it is necessary to change the oil after unpacking. Because of long-term use, it is inevitable that foreign matter will enter the hydraulic cylinder, which will increase friction during use. In addition, the hydraulic oil also has a certain service life. If the oil is not changed for a long time, it will damage or corrode the inside of the hydraulic cylinder.

How to maintain the hydraulic cylinder?

All equipment can only extend the life of the equipment after proper maintenance and maintenance.

1. The hydraulic oil should be replaced regularly during the use of the cylinder, and the system filter should be cleaned to ensure cleanliness and extend the service life.

2. Every time the cylinder is used, it should be tested for 5 strokes with full extension and full retraction and then run with load. Why do this? Doing so can exhaust the air in the system, preheat each system, and effectively avoid the presence of air or water in the system, which can cause gas explosion (or scorch) in the cylinder body, which will damage the seal and cause failures such as cylinder leakage.

3. Control the system temperature. Excessive oil temperature will reduce the service life of the seal. Long-term high oil temperature will cause permanent deformation of the seal or even complete failure.

4. Protect the outer surface of the piston rod to prevent damage to the seal from bumps and scratches. Clean the dust ring of the cylinder dynamic seal and the sand on the exposed piston rod frequently to prevent the dirt that is difficult to clean on the surface of the piston rod from entering the cylinder and damaging the piston, cylinder or seal.

5. Check the connection parts such as threads and bolts frequently, and tighten them immediately if they are loose.

6. Lubricate the connection parts frequently to prevent rust or abnormal wear in the absence of oil.