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If the rotating brush on your Lefant M210 robotic vacuum cleaner is damaged or worn out, use this guide to replace it.

The main rotating brush agitates and lifts dirt, debris, and pet hair from floors into the vacuum's suction pathway. A damaged brush will result in reduced cleaning performance, visible debris left behind, or unusual noises during operation.

Common symptoms indicating replacement is needed:

Frayed, bent, or missing bristles
Reduced cleaning effectiveness
Squeaking or grinding noises
Visible wear patterns or bald spots

Before replacing the brush, inspect it for tangled hair or debris. Remove any obstructions and test performance. If cleaning remains poor after debris removal, the brush needs replacement.

Before you begin:

Power off the Lefant M210 completely
Disconnect from the charging dock
Allow the device to cool if recently used

This replacement requires only basic prying and no disassembly of internal components.

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Turn off the Lefant M210 and disconnect it from the charging dock.
Flip the unit over so the bottom faces upward.
Locate the circular brush assemblies on the left and right sides of the underside.
Place the unit on a clean, flat surface to prevent scratching.

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Insert the iFixit Opening Tool (or similar pry tool) under the circular edge of the brush assembly.
Apply gentle downward pressure on the opposite end of the tool to lever the brush component out of its housing.
Remove the brush assembly completely and set it aside.
If replacing both brush assemblies, repeat this process on the other side.
Avoid using excessive force, which may damage the mounting clips.

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Position the new brush assembly above the square mounting peg.
Align the square cavity on the bottom of the brush with the corresponding square peg in the vacuum housing.
Press down firmly on the brush assembly until you hear or feel it click into place.
Gently tug on the brush to verify it is securely seated.
The brush should sit flush with the housing and not move when pulled gently.

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If problems occur: Power off the unit, flip it over, and verify the brush is correctly aligned and fully seated. With fresh brushes installed, your robot vacuum is back in action and ready to keep your floors spotless!