1) Replace the secondary lubricating oil within 1 month at the beginning of use, and replace the lubricating oil once within 3-4 months.
2) After opening the lower head, unscrew the bolts at the bottom of the U-shaped groove of the rotor, and check the scrapers every four months to replace them.
3) Open the bottom bearing every two months, check the wear of the bottom bearing, and replace the bottom bearing if necessary.
4) According to the nature of the material, the inner cylinder should be soaked and cleaned regularly with warm water or solvent.
5) Add sealing liquid to the mechanical seal cavity once a month. The sealing liquid is 20# mechanical oil.
