The machine shall be inspected and maintained regularly according to the following items:

1. At the end of each shift, the iron scraps left in the machine tool on and off duty shall be cleaned to keep the machine tool clean.

2. Observe the tightness of the belt and adjust it when necessary.

3. Frequently check whether the fastening screws of each part are loose.

4. Add No.46 lubricating oil to the bearing at the cutter shaft every 6 months.

5. If the blade is worn or damaged, adjust the blade to use another cutting edge to rotate for an angle. After it is firm, replace it if the four cutting edges of the blade have been worn.