1. The material should be fed evenly into the broken cavity and avoid lateral feeding.
2. The bearing’s max rise temperature should not exceed 70 degrees in normal working condition. If it exceeds, stop the machine immediately and identify the reasons for eliminating.
3. Before stopping the machine, stop feeding first. After the broken material in the broken cavity has been removed completely, close the power.
4. If the machine is jammed to stop in the running, cut off the power immediately. The material eliminating is necessary before start the machine again.
5. The jaw plate, one of whose ends is worn, can still be used after the U-turn.