iRobot Roomba Scheduler Service Manual page 78

Verify the belt is not worn or broken and replace if
6
needed.
Close the wheel cover and verify it is correctly aligned
7
and snapped into place. Guide wires through wire tabs
and verify the sensor wires are NOT pinched.
Inspect the wheel supports and replace if bent or
8
deformed.
Replacing the wheel and route wires so that they won't
9
get pinched by chassis. Replace glue and zip ties if
necessary.
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