iRobot Roomba Professional Series - Manual (Page 21)

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4 Clean Roomba’s front wheel
Pull firmly on Roomba’s
front wheel to remove it from
the robot.
Remove debris from inside
the front wheel cavity.
Remove the front wheel
from its housing and clear
any hair wrapped around
the axle. Push firmly on the
wheel axle to remove it
completely from the wheel.
Wipe the wheel clean.
Re-install the wheel into the housing, and the module into the robot.
5 Clean Roomba’s cliff sensors
Wipe all four cliff sensors with a clean, dry cloth.
Wheel
Axle
Housing
Cliff Sensor
Openings
A.
B.
C.
D.
E.
A.