Regular replacement of oil seals and O-rings: Oil seals and O-rings are key sealing components of the vacuum pump, and if poor is found, they should be replaced in time. Generally, their service life is about half a year to one year. Pay attention to the maintenance of bearings: Bearings important supporting components of the vacuum pump, and they are prone to wear with long-term use. Regularly add lubricating oil, keep the bearings clean, and prevent. Check and replace springs: Springs play a cushioning role in the vacuum pump, and once they are deformed or broken, it will affect the normal operation of pump. Regularly check the condition of the springs and replace them in time if any problems are found. Cleaning and replacement of filters: Filters are key components to preventurities from entering the vacuum pump. Regularly clean the filters to maintain their filtering effect, and generally replace them once every three months.