The spice grinder should be cleaned after every 300 hours of operation. If the bearing is lubricated by oil, it is advisable to fill 1/3 of the bearing seat gap when adding new oil, and it should not exceed 1/2 at most. Just tighten the cover of the constant-cover oil cup a little before operation. When the bearing of the crusher is seriously worn or damaged, it should be replaced in time, and attention should be paid to strengthening lubrication; if the tapered roller bearing is used, attention should be paid to check the axial distance of the bearing to keep it at 0.2-0.4 mm. The paper pad at the bearing cap can be adjusted.

The screen is made of punched stainless steel. When the screen is worn or broken down by foreign objects, if the damaged area is not large, it can be repaired by riveting or soldering; if it is damaged in a large area, a new screen should be replaced.