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The rear wheel assembly is what propels the roomba. If they become damaged the roomba will begin to move irregularly or not at all.
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Flip over the device and remove the two 11.5 mm screws using the Phillips #1 screwdriver.
 
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Unscrew the back plate using a Phillips #1 screwdriver.
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Carefully lift the panel up once the screws are removed.
 
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With both hands, grab the two black tabs on each end of the battery.
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Pull the tabs upwards to remove the battery.
 
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Loosen the screw on the side brush.
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Lift the side brush from the device.
 
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Unscrew the (2) 11.5mm screws using the Phillips #1 screwdriver.
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Carefully remove the plate by lifting it off of the device.
 
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Locate the (3) 15.8mm gold Phillips #1 screws and unscrew them.
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Lift the wheel module removing it from the vacuum.
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Remove the other wheel by repeating these steps.
 
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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