Disassembly and cleaning process of hydraulic valve group of hydraulic …

The overflow valve located on the upper part of the machine. When the machine does not work properly, we need to clean the overflow valve or the valve below. So how to clean the relief valve? When the machine tool is stepped on the footswitch, the valve light is already on, but the tool holder does not go down and the cutting action is not completed, which indicates that the oil circuit is the problem, then we need to clean the valve.