First, the hydraulic oil cylinder should be replaced regularly in the process of use, and the filter screen of the system should be cleaned to ensure the cleanliness and prolong the service life.
Second, the hydraulic cylinder in each use, to carry out full extension and full contraction of the test run 5 strokes, and then run with load. Why? In this way, the air in the system can be exhausted and the systems can be preheated, which can effectively avoid the existence of air or water in the system, causing gas explosion (or scorch) in the cylinder block of the hydraulic cylinder, which will damage the seals and cause internal leakage of the hydraulic cylinder.
Third, the system temperature should be well controlled. Too high oil temperature will reduce the service life of the seal. Long term high oil temperature will cause permanent deformation or even complete failure of the seal.
Fourth, protect the outer surface of the piston rod to prevent the seal from being damaged by bumps and scratches. Regularly clean the dust ring of the dynamic seal of the hydraulic cylinder and the sediment on the bare piston rod to prevent the dirt that is not easy to clean on the surface of the piston rod from entering the inner part of the hydraulic cylinder to damage the piston, cylinder or seal.
Fifth, often check the thread, bolt and other connection parts, found loose, immediately fasten.
Sixth, often lubricate the connection parts to prevent corrosion or abnormal wear under oil-free state.
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