1. Before taking over the shift every day, check each lubrication point in the equipment to see if the lubricating oil (grease) is sufficient. If necessary, add lubricating oil (grease).
2. Listen to whether there are abnormal sounds in the running equipment. If the running sound is abnormal, find relevant personnel if necessary and decide whether to stop the machine for maintenance and troubleshoot according to the situation.
3. Check whether the temperature control and instrument display of each process are normal. If abnormal phenomena occur, check whether the heating device and temperature control system are working normally. If necessary, ask relevant personnel to repair.
4. After taking over the shift, first check whether the position of each working switch and button is correct, whether the limit switch is loose, and whether the safety door is flexible and accurate to ensure production safety.
5. Before starting the first train to add materials to the hopper, first check whether the hopper is clean and clear all debris in and on the hopper.
6. Note that the screw idle running time shall not exceed 3 minutes. Except for the trial run before production, the screw is not allowed to run idle at ordinary times.