The setting range of tension force should be reasonably determined. If the setting range of grinding pressure is narrow, it will not only weaken the buffer capacity of ultrafine vertical mill in hydraulic system, but also make the high-pressure oil pump of hydraulic station start and stop frequently in a short time, which will cause the high-pressure motor to burn down in serious cases. Generally, reasonable grinding pressure parameters should be determined according to the abradability of materials.

Check and clean the hydraulic valve (and pressure relief valve). The hydraulic valve belongs to the precise parts, and the pressure relief will be caused once there is debris in the valve port.

In a word, it is one of the main ways to reduce system failure and improve grinding efficiency of mill to use and maintain hydraulic system correctly and keep hydraulic system running well.