Support / Bob PetHair / Replace the Bumper

Replace the Bumper

What You Need: (click to shop)

Bob-Pro-Side-Brush.jpg

Phillips Head Screwdriver

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Flat-Head Screwdriver

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Bumper

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 bumper on Bob PetHair, you’ll need a Phillips head screwdriver, a flat head screwdriver, and a new bumper.

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.

Flip the cover over onto a flat surface and you’re ready to remove the bumper.

First, remove the 2 springs on either side of Bob’s screen and keep them aside 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.

To install your new 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 it 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. Now you’re ready to reconnect Bob’s cover.

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

Replace the dustbin before your next use and congratulations! You’ve just replaced Bob’s bumper. Happy Cleaning!

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