Replaceable Modules
Roomba has a number of modules that can be replaced, including its drive wheels, side brush, main cleaning head, vacuum bin, caster wheel, and battery.
To access Roomba’s replaceable modules, remove the bottom cover of Roomba by removing the four screws that hold down the bottom cover and the screw that holds the spinning side brush.
Side brush with screw
Front caster wheel 
Caster housing
Bottom cover 
Battery 
Cleaning head module
Right side wheel module
Left side wheel module |
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Bin module | Side brush module |
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Chassis
Replaceable faceplate
28 iRobot Roomba 500 Series
