Support / Bob PetHair / Replace the Cover

Replace the Cover

What You Need: (click to shop)


Phillips Head Screwdriver


Flat-Head Screwdriver



The side brush pictures, diagrams, videos, and training material in this guide do not reflect the design of the actual product. The side brush has an enhanced 360 degrees design.

To replace the cover on Bob PetHair, you’ll need a Phillips head screwdriver, a flat head screwdriver, and a new cover.

Before starting any repair on Bob, turn his side power switch OFF and remove his dustbin.

Then, flip Bob over onto a flat surface and remove his main brush using the flat head screwdriver.

Keep all removed screws and parts safely aside, as they may be needed for later reassembly.

Use a Phillips head screwdriver to remove the 6 screws on Bob’s underside that hold him together.

One screw on each side of the front wheel. One screw to the right of the main brush motor.

One screw on each side of the dustbin. The final screw is in the brush compartment.

Bob’s cover is no longer secured, so hold the top and bottom together as you carefully flip him back onto his wheels.

Grip Bob’s cover from the back and lift up to expose the mainboard.

Slide the power inlet down and tuck it somewhere safe to avoid compressing its wires.

To detach Bob’s cover completely, disconnect 4 circuit plugs:

Two at the lower edge of the mainboard, near the wheels.

And two more at the top edge, near the bumper.

Now that you’ve detached Bob’s cover, flip it over onto a flat surface to see the interior. You will need to remove the bumper, screen, and touch sensors from Bob’s old cover and attach them to his new cover.

To detach the bumper, remove the 2 springs on either side of Bob’s screen and save them for later reassembly.

Remove the 4 screws securing the bumper to Bob’s cover, then lift the bumper to detach.
It will separate into three pieces: a large exterior piece, a small, wired piece, and a plastic strip.

Next, detach the touch sensors. Remove the screw on each of the 2 sensors and save them for the next step. Then lift each sensor up to remove them.

To detach the screen, remove the 4 screws securing it to Bob’s cover. Then, lift the screen out and install it on the new cover. Place the screen face down in the empty space on the new cover, in line with the screw posts.

Once the screen lies flat, install the 4 screws that you removed earlier. Note that the screws for the screen, bumper, and touch sensors differ slightly, so make sure that you are using the correct type of screw for each part.

Now position the touch sensors on the new cover. The red-wired sensor should be on the left side and the black-wired sensor should be on the right. Once the sensors sit flat, install the screw on each one.

To install the bumper, lay down the large exterior piece first. Place the cover on top so the screw posts on the exterior piece protrude through the holes on the cover.

You may need to lift the bumper slightly as you lay down the final wired piece, the obstacle sensors. Make sure the wired piece lines up with the screw posts on the interior of the cover, and that no wires are compressed.

Next, clip the plastic strip to the front of the exterior piece so it fits flat in the opening.
Hold everything together as you re-install all 4 screws securing the bumper to the cover. Finally, replace the 2 springs on Bob’s cover.

The curved edge hooks into a small slot on the bumper, while the straight edge hooks under a screw on the inside of Bob’s cover. When finished, you’re ready to connect your new cover to Bob.

Reattach all 4 circuit plugs connecting Bob’s cover to the mainboard. Two connect to the top edge of the mainboard, and two more that connect to the bottom edge.

Remember to slide the power inlet back into its space on Bob’s cover.

Align the cover’s edges precisely. Then, flip Bob over onto a flat surface.
Ensure that no wires are compressed in the main brush compartment or visible at the edges of the bumper.

If so, take a step back and lift the cover to tuck the wires into the appropriate spaces.

Once the wires are all safely tucked away and Bob’s cover is aligned properly, reinstall all 6 screws previously removed from Bob’s underside.

Install the main brush and dustbin before your next use and Bob is completely re-assembled.

Turn the side power switch back on and congratulations! You’ve just replaced Bob’s cover. Happy cleaning!

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