iRobot Roomba 870 Bumper Sensor Replacement

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iRobot Roomba 870 Bumper Sensor Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

iRobot Roomba 870 Bumper Sensor Replacement: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

Flip the iRoomba over so that the underside is facing up.
Using the Phillips #0 screwdriver, remove the 4.0 mm screw in the center of the yellow side brush.
Remove the yellow side brush.

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