1. First disassemble the dust filter bag.

2. Put the dust filter bag into the hole of the cell plate.

3. Flatten the bayonet to the hole of the cell plate.

4. Bend the bayonet inward.

5. Align the bayonet slot with the cell plate hole.

6. Adjust the position of the bayonet.

7. Press the bayonet to confirm the position.

8. The dust filter bag is installed in place.

9. Insert the bag cage of the dust filter bag.