bObsweep PetHair Plus WPP56002 Bumper Replacement

Depress the tab on the side of the dustbin to disengage its latch. It is spring loaded and will partially pop out. Remove it from its housing.

Flip the bObsweep over and remove the main brush’s screw (13.7mm Flat) with a flathead screwdriver.

Lift and remove the main brush and its plastic bearing end cap.

Remove the two screws (9.9mm Phillips #1) next to the rotating front wheel.

Remove the two screws (9.9mm Phillips #1) below the wheels on either side of the dustbin compartment.

Remove the screw (9.9mm Phillips #1) to the side of the brush motor.

Remove the screw (9.9mm Phillips #1) inside the brush compartment.

Carefully hold the top and bottom halves together and flip the bObsweep upright.

Lift the cover to reveal the mainboard.

Slide the power inlet down.

Tuck it aside to protect it from damage.

Depress the tabs on the circuit plugs and lift them directly upward to remove:

The multicolored nine-wire circuit plug at the top edge of the board.

The red and black wire circuit plug directly next to it.

The seven white wire circuit plug on the bottom edge of the board.

The red, white, and black wire circuit plug on the bottom left corner of the board.

Remove and set aside the two springs on either side of the screen.

Remove the four screws (9.9 mm Phillips #1).

Lift to disconnect the bumper.

Separate it into its three components (a large exterior piece, a small, wired piece, and a plastic strip).

Place the cover on top of the large exterior piece.

Ensure the screw posts protrude through the cover’s corresponding holes.

Install the new obstacle sensor (the small, wired piece).

Note: If needed, slightly lift the bumper so the two parts touch.

Ensure it is lined up with the screw posts and no wires are compressed between the two parts.