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Replacing Touch Sensors - Bob PetHair Plus

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

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

Now that you’ve detached Bob’s cover, flip it over onto a flat surface to see the interior.

Bob has 2 touch sensors on the inside of his bumper: one on the the left and one on the right. Remove the screw on each sensor.

Remove both sensors and place the new ones in their stead. The sensor with red and black wires should be on the left; the sensor with white and black wires should be on the right.

Replace the screw on each sensor.

When finished, you’re ready to reconnect the cover.

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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