The front caster wheel of the Roomba gets dirty very easily because it runs over all of the dirt and debris that the Roomba picks up. This guide shows you how to take the wheel out and clean it easily.
The front caster wheel . take the wheel and clean it .
To reassemble the robot, follow these instructions in reverse order.
You will be removing the back plate and taking off the front caster wheel in order to clear it from debris.