1. When cleaning the machine casing, replacing parts or changing the working state, the machine must be turned off and the power plug must be unplugged.

2. Avoid damaging the wires in any way, such as squeezing or dragging.

3. Check the power cord regularly to see if it is damaged.

4. If the power cord is damaged in any way, stop using the machine and have it repaired by a professional.

5. Replacement of damaged power cord must be performed by the manufacturer or professionals.

6. When replacing or reinstalling power supplies, switches, plugs, or sockets, safety must be ensured.

7. Storage of the machine: When the machine is not in use, store it in a dry room.

8. Clean the machine after each shift. Do not allow too much flammable and explosive dust to accumulate in the barrel, and the filter element should be cleaned or replaced in time.

9. The machine’s casing, sealing strips, casters, etc. need to be cleaned regularly. It is recommended to wipe the surface of the machine with a wet cloth to prevent static sparks from being generated during wiping and filtering, and to keep the vacuum cleaner casing clean.