The role of oil in the hydraulic cylinder

Date： 1970-01-01

Hydraulic oil inside the hydraulic cylinder is very important, a little better inside the hydraulic oil containing preservatives, can increase the shelf life of the oil, but if a long time, need to be replaced, otherwise, the hydraulic oil inside the preservative will fail, When the replacement of hydraulic oil, the filter must be carefully cleaned, because the filter is only the oil in the dirt and dirt filter, there is no way to filter the oil contained in other substances.

The density of hydraulic oil will change with the temperature changes, temperature, density decreased, but the change is very small, is generally considered constant, viscosity changes with temperature. Before use, be sure to ensure that the hydraulic fluid clean, the oil on the sealed place, can not let the sun, or by the wet, inside the fuel tank to the time of the oil must choose the appropriate filter . In the process of adding, we must ensure that all containers clean and clean, if the dirt into the oil, you need to re-replace the hydraulic oil. Remember, be sure to clean all appliances.

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