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Replacing Left or Right Wheel - Bob PetHair

For this repair, you will need a Phillips head screwdriver and replacement left or right wheel.

Make sure Bob’s side power switch is turned OFF and flip him over onto a flat surface. Remove the screw securing Bob’s main brush in place.

Remove Bob’s main brush to access and remove the screw located beneath it (depending on Bob's model, there may be 2 screws).

Remove the 5 screws lining Bob’s underside.

Flip Bob back onto his wheels and lift his cover up. Depending on your Bob's model, you may need to remove 3 or 4 circuit plugs to detach the cover completely. Pinch the small white tab on the side of each circuit plug and pull upwards to remove.

For older versions of Bob, you must remove 3 circuit plugs from the mainboard:

For newer versions of Bob, you must remove 4 circuit plugs from the mainboard:

bottomcovercircuit.jpg

topcovercircuit.jpg

Slide Bob’s power inlet out and place the cover aside.

To access the left and right wheels, you will need to remove the wheel cover. You may move the main brush motor out of the way for better ease of access.

sidebrush.jpg

Remove the 6 screws securing the cover onto Bob:

  • 2 next to the mainboard

twoscrews.jpg

  • 2 on either side of the left wheel

leftwheel.jpg

  • 2 on either side of the right wheel

rightwheel.jpg

Once all 6 screws are removed, lift the wheel cover up and unplug it from the mainboard. Place it aside for now.

disconnectcover.jpg

Remove the small spring sitting on top of the exposed wheel and keep it somewhere safe. You will need to replace this piece later.

Lift the wheel out of its compartment and detach it from the main board.

You may now place your new wheel into the empty slot where the old wheel once was.

For the right wheel, feed the wires to the right of the screw post before plugging them into the main board’s bottom edge.

For the left wheel, feed the wires as far to the left as possible before plugging them into the main board’s left edge.

Place the spring you removed from the old wheel on top of the new one.

Plug the wheel cover back into the mainboard.

disconnectcover.jpg

Carefully align the cover with the screw posts on Bob. Make sure the springs on top of the wheels do not move out of place as you push the cover down.

When the cover lies flat against Bob, replace all of its 6 screws:

  • 2 next to the mainboard

twoscrews.jpg

  • 2 on either side of the left wheel

leftwheel.jpg

  • 2 on either side of the right wheel

rightwheel.jpg

Replace the main brush motor if you have removed it before you begin closing Bob.

sidebrush.jpg

Now you’re ready to put Bob’s cover back together. First, reattach all the circuit plugs you removed to separate Bob's cover. Press down on each circuit plug to ensure it securely locks in place.

For older versions of Bob, reattach 3 circuit plugs to the mainboard:

For newer versions of Bob, reattach 4 circuit plugs to the mainboard:

bottomcovercircuit.jpg

topcovercircuit.jpg

Before closing Bob's cover, slide his power inlet back in its place.

Carefully realign the edges of Bob’s cover and flip him onto his back. Replace the 5 screws on his underside to seal his cover together.

Replace the 1 or 2 screws located beneath Bob's main brush.

Place the main brush back in its compartment. Attach the end piece first

and align the square end with the square-shaped notch inside Bob.

Lastly, replace the screw securing Bob's main brush in place and your repair is complete!

Have more questions? Submit a request
  • Avatar
    Peter sereno
    I spoke with technician Daniel and we tried troubleshooting by resetting the unit and also cleaning. However the problem still exist with a locked right wheel. I don't feel comfortable replacing the wheel which looks to involved and is subject to possible further damage. I request that a new unit be sent out and I will return the damage unit. The Account is under my wife's name Rachelle Pakes. I can be reached at pksereno@yahoo.com or by phone 323-578-4837
  • Avatar
    Media Relations
    Hi Peter, Thanks for reaching out to us! If you would prefer to not replace the wheel at home, you can always send Bob to be looked over by one of our specialists at the bObsweep hospital. Bob’s warranty covers all doctor’s visits, but we will of course gladly replace him for you if that is what you want! Our customer care team will be in touch :)