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Replacing Dustbin Contact Points - Bob PetHair Plus

To replace Bob's contact points, you’ll need a Phillips head screwdriver, a flat head screwdriver, and a new set of contact points.

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

Then, remove his dustbin.

Flip Bob over onto a flat surface and remove his main brush using the flat head screwdriver. Save all screws and parts for later reassembly.

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

Hold Bob's top and bottom together as you flip him onto his wheels. Grip Bob's cover from the back and lift up to expose his 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:

  • 2 at the bottom of the mainboard
    • 1 on the far left
    • 1 with a thick white wire

  • 2 at the top of the mainboard
    • Disconnect the 2 center plugs

Bob's cover is now completely detached and can be set aside for the rest of the repair.

To access the dustbin’s contact points, you will need to remove the wheel cover. You may wish to lift and move the main brush motor and power switch out of the way to reach the screws securing the wheel cover onto Bob.

Remove the wheel cover's 6 screws:

  • 2 screws are next to the mainboard

  • 2 are on either side of the left wheel, one above and one below

  • 2 more screws are on the right wheel, one above and one below

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

For ease of access, you may wish to place the left and right wheels aside, just be sure to keep their springs safely on-hand for later reassembly.

It may also help to prop Bob's back up for the rest of the repair.

Remove 5 more screws to access the contact points.

Lift the main brush compartment’s plastic barrier.

Slide the 2 contact points out of their spaces.

Follow their wiring to the correct circuit plug on the mainboard.

Remove the old circuit plug and connect your new one in the open space. Feed the wiring back underneath the mainboard, toward Bob’s back.

Place Bob's contact points back in their spaces so that the black wire is on the left and the orange is on the right.

Hold down the contact points as you replace their holder. Align the holder with all of the screw posts without compressing the wiring underneath.

Push each contact point in as you hold the main brush barrier on Bob, to ensure they have not shifted out of place. Then replace all of the barrier’s 5 screws.

With the back of Bob still tilted up, replace the left and right wheels if you have moved them. Replace the two springs on top of the wheels.

Plug the wheel cover back onto the mainboard.

Then, carefully align the cover with the screw posts on Bob. Clear the area of any wires than may become compressed underneath the wheel cover. Make sure the springs on top of the wheels do not move out of place as you push the cover down.

Replace all 6 screws previously removed from the wheel cover:

  • 2 just behind the mainboard

  • 2 around the left wheel

  • 2 around the right wheel

Reattach all 4 circuit plugs connecting Bob's cover to the mainboard:

  • 2 at the top of the mainboard

  • 2 at the bottom of the mainboard

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

Align the cover’s edges precisely. 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 inside Bob.

Then, flip Bob over onto a flat surface. Replace all 6 screws previously removed from Bob's underside.

Replace the main brush and dustbin before your next use and Bob is completely reassembled!

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