Introduction
You will be removing the yellow side brush and the back panel of your Roomba in order to gain access to other components of your device.
Tools
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            Flip the device over onto its back. 
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            Find the side brush, and unscrew the single screw that connects to brush motor by using the Phillips head #2 screwdriver. 
 
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            Using a Phillips #1 screwdriver, remove the four screws on the back panel. 
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            Once the screws are loose gently pry the back plate away from the body by using the spudger tool. 
 
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                            Conclusion
                          
                          To reassemble your device, follow these instructions in reverse order.