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Replacing Speaker - Bob PetHair Plus

To replace Bob's speaker, you’ll need a Phillips head screwdriver, a flat head screwdriver, and a new speaker.

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

Then, remove his dustbin.

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

Remove the main brush using the same flat head screwdriver.

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 speaker, you'll first need to remove the mainboard and side brush motor. Disconnect all remaining 12 circuit plugs from the mainboard.

Remove 3 screws from the mainboard.

Lift the mainboard out of Bob.

The side brush motor is located near the right wheel. Remove all 3 screws securing the side brush.

Then, lift the motor out.

Now that the speaker is accessible, simply lift it out of its space.

Then lay the speaker in the circular groove inside Bob.

Place the side brush motor on top of the speaker, in line with the screw posts. Then replace all 3 screws.

Feed the the motor’s wiring so it reaches over to Bob’s left side before replacing the mainboard.

Align the holes on the mainboard with the 3 screw posts on Bob’s interior.

Ensure that the mainboard sits flat before replacing the 3 screws.

Now reconnect all the circuit plugs correctly.

Order of plugs on the left side of the mainboard (top to bottom):

  • Small plug with black and yellow wires
  • Plug with two pairs of twisted wires
  • Plug with multi-colored wires
  • Small plug with blue and black wires

Order of plugs at the top of the mainboard (left to right):

  • Small plug with red and green wires 
  • Wide plug with multi-colored wires
  • Two empty spaces for now
  • Small plug with black and orange wires

Order of plugs on the right side of the mainboard (top to bottom):

  • Wide plug for Bob’s power switch
  • Plug with black and orange wires for Bob’s power inlet

For now, the bottom of the mainboard will have two open spaces on the very left.

Then, the order from left to right is:

  • Small plug with a red wire
  • One more open space
  • Small plug with yellow wires
  • Plug with multi-colored wires

Now you’re ready to begin re-attaching 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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