1. It is forbidden to pass iron.

2. It is forbidden to bring the material to start and stop.

3. Do not exceed the rated current and operate the machine at low voltage.

4. When the machine is prohibited from abnormal noise, continue to run.

5. When the machine is not running, check and adjust the machine.

6. Do not allow the machine to feed eccentrically.

7. It is forbidden to enter large pieces of material in the crushing chamber (beyond the maximum feeding size of the manual).

8. It is forbidden to adjust the ring beating. When jumping, increase the discharge opening.

9. Do not break the cone when the lock nut of the adjustment seat is not locked.

10. It is forbidden to adjust the discharge opening with the material.

11. It is forbidden to run the cone when the oil level of the lubrication station is low.

12. It is forbidden to run the cone at a temperature below 25 °C.

13. It is forbidden to return the oil to a temperature higher than 55 °C for cone breaking, but the oil pump should keep running.

14. Do not break the cone when the oil filter is clogged.

15. It is forbidden to run the cone when the warning light on the lubrication station is on.