What is the maintenance of an ultra fine powder grinding mill?

1 ultra fine grinding of the main bearing of the center of the pump once every four classes, once a month to refuel bearings

2 ultra fine grinding bearing room temperature shall not exceed 70 degrees

3 ultra fine powder grinding mill in the replacement of the roll sleeve. Roller bearings and bearing room should be cleaned

4 ultra fine grinding bearings in the installation to ensure proper clearance