Tools
- 
                  
                  - 
            Flip Bob over and remove the 7 screws around which hold the cover together. 
- 
            Remove the main brush. Unscrew the holder, and lift the brush out. Reminder: Keep this screw separate from the others so you can use it later to reinstall. 
 
- 
            
- 
                  
                  - 
            There are two screw holes inside the brush compartment: one in the centre, one on the left end. Remove both and keep aside for reassembly. 
- 
            There are five more screws around bObsweep's edges. Two are installed at the top and bottom, and one on the right end of the main brush. 
 
- 
            
- 
                  
                  - 
            Flip bOb back over so you can see the screen. Lift the cover up to reveal bObsweep’s main board. 
- 
            Detach the power inlet from the cover. Grip and slide it out. 
 
- 
            
- 
                  
                  - 
            Remove three circuit plugs from the motherboard. Pinch the small white tab on the side of each circuit plug and pull straight up to release each from the motherboard. 
- 
            1. On the bottom left corner: a small connector with red, black and white wires. 
- 
            2. One thick white wire that attaches on the right side of the previous connector. 
- 
            3. On the top edge of bOb’s motherboard: a wide multicoloured connector. 
- 
            Place the cover aside and begin your repair. 
 
- 
            
- 
                  
                  - 
            There are two sensors that touch the inside of bOb’s bumper wired to one another as well as one circuit plug. 
- 
            To remove these , uninstall the two screws holding them in place. Then, lift each sensor up. 
 
- 
            
- 
                  
                  - 
            Place your new sensors in the open spaces. 
- 
            Make sure you place the sensor with the red wire on the left side when bOb’s cover is upside down. 
- 
            The black wired sensor should be on the right side during the repair. 
- 
            Replace the screws in the innermost holes. Then follow the guide for Closing bObsweep's cover after repair 
 
- 
            
To reassemble your device, follow these instructions in: Closing bObsweep's cover after repair