1. During the production process, the temperature rise of the bearing must be checked frequently. When the temperature rise exceeds 50 ℃, the machine shall be shut down for inspection to find out the cause and eliminate the fault.

2. When the new machine is running, the transmission belt is easy to stretch. Pay attention to adjusting the appropriate tightness of the belt to ensure the working life of the belt.

3. Vulnerable parts shall be inspected frequently and replaced in time to ensure production quality and production capacity.

4. The blade and lining ring shall be regularly checked for wear. If the productivity decreases and the particle size becomes coarse after wear, they shall be replaced immediately after wear.

5. The main engine and graded flow bearings are grease lubricated, using No. 2 special grease with a degree of 265-295.

6. The grease change period of the bearing is 2000 hours. The filling amount of grease is 1 / 2 (upper measurement) or 3 / 4 (lower measurement) of the space in the bearing cavity. Do not fill too much grease, otherwise the bearing temperature will be too high.

7. The grease change period of screw feeder is 4000 hours, and ordinary calcium base grease is added.

key words：Maintenance of limestone crusher