Support / Junior / Replace the Dustbin Connectors

Replace the Dustbin Connectors

What You Need: (click to shop)

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Phillips Head Screwdriver

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Flat-Head Screwdriver

To replace the contact points on Junior you’ll need a Phillips head screwdriver, the flat head screwdriver included in Bob’s box, and a new set of contact points.


Before starting any repair on Junior, turn his side power switch OFF and remove his dustbin.

Then, flip Junior over onto a flat surface and remove his side and main brushes using the flat head screwdriver.


Keep all removed screws and parts safely aside, as they may be needed for later re-assembly. Use a Phillips head screwdriver to remove the 7 screws on Junior’s underside that hold him together.


There are 5 screws along the edges of Junior: One screw on each side of the front wheel.

One screw to the right of the main brush motor. And one screw on each side of the dustbin. The final two screws are in Junior’s brush compartment.


Junior’s cover is no longer secured, so hold the top and bottom together as you carefully flip him back onto his wheels.


Grip Junior’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 Junior’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.


Junior’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. Remove the 6 screws securing the cover onto Junior.


Remove the 6 screws securing the cover onto Bob:
Two are next to the mainboard.
You may wish to lift and move the main brush motor and power switch out of the way to reach two of these screws.


Two are on either side of the left wheel, one above and one below. Lastly, two 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 Junior’s back up for the rest of the repair.


There are 5 more screws to remove to access the contact points.


Remove all and lift the main brush compartment’s plastic barrier. Then, slide Junior’s contact points out of their spaces and follow their wiring to the correct circuit plug on the mainboard. The circuit plug may be situated differently depending on your bObsweep model.


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 Junior’s contact points back in their spaces so that the black wire is on the left. Push down to ensure that each contact point sits flat in its space. The rest of the wiring should be fed toward Junior’s right wheel.


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 Junior, to ensure they have not shifted out of place. Then reinstall all of the barrier’s 5 screws.


With the back of Junior 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 Junior. 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.

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