1. During work, we often *vise whether various appearances are normal and whether there are abnormal sounds in various parts.
2. The electric chain system of the hydraulic pressure of the crusher cannot be removed under any conditions.
3. When the machine is working, it is not allowed to stick to people in the rotary surface of the jaw crusher.

4. Workers are not allowed to use their hands to take large ore or other items that have entered the machine.
5. When dealing with jaw crusher blockage, the ore to the head of the miner should be processed *, and then processed from the upper part. It is forbidden to handle it with a crank or from the bottom of the discharge port upward.
6. When dealing with the blockage of the lower funnel of the jaw crusher, contact the miner and the belt conveyor position, disconnect the power switch of the belt conveyor, and send someone to *vise it.