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O que você precisa
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Flip Bob over and remove the 7 screws around which hold the cover together.
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Remove the main brush. Unscrew the holder, and lift the brush out. Reminder: Keep this screw separate from the others so you can use it later to reinstall.
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There are two screw holes inside the brush compartment: one in the centre, one on the left end. Remove both and keep aside for reassembly.
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There are five more screws around bObsweep's edges. Two are installed at the top and bottom, and one on the right end of the main brush.
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Flip bOb back over so you can see the screen. Lift the cover up to reveal bObsweep’s main board.
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Detach the power inlet from the cover. Grip and slide it out.
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Remove three circuit plugs from the motherboard. Pinch the small white tab on the side of each circuit plug and pull straight up to release each from the motherboard.
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1. On the bottom left corner: a small connector with red, black and white wires.
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2. One thick white wire that attaches on the right side of the previous connector.
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3. On the top edge of bOb’s motherboard: a wide multicoloured connector.
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Place the cover aside and begin your repair.
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If your mainboard looks like this one, remove the two circuit plugs at the lower edge of the mainboard, near Bob’s wheels.
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Then remove two more are at the top edge of the mainboard, attached to Bob’s bumper.
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Once the cover is detached completely, you may wish to lift and move the main brush motor out of the way for the rest of this repair.
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Slide it straight up to place aside.
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To access the dustbin’s contact points, you will need to remove the wheels' cover. Remove the 6 screws securing the cover onto Bob:
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Two are next to the mainboard.
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Two are on either side of the left wheel, one above and one below.
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Lastly, two more screws are on the right wheel, one above and one below.
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Once all 6 screws are removed, lift the wheel cover up and unplug it from the mainboard. Place it aside for now.
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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.
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There are 5 more screws to remove to access the contact points.
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Remove all and lift the main brush compartment’s plastic barrier.
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Flip the barrier over and slide Bob’s contact points out of their spaces.
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Place the barrier aside for now.
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Follow their wiring to the correct circuit plug on the mainboard.
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Remove the old circuit plug and feed the wires out from underneath the mainboard.
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Connect your new contact point sensors in the open space.
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Feed the wiring back underneath the screw posts for the mainboard, then move toward Bob’s back.
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Place Bob’s contact points back in their spaces on the main brush barrier so that the black wire is on the left.
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Push down to ensure that each contact point sits flat in its space.The rest of the wiring should be fed toward Bob’s right wheel.
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Hold down the contact points as you replace their holder.
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Align the holder with all of Bob’s screw posts without compressing the wiring underneath.
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Then reinstall all of the barrier’s 5 screws.
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With the back of Bob still tilted up, replace the left and right wheels if you have moved them.
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Replace the two springs on top of the wheels.
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Plug the wheel cover back onto the mainboard. Then, carefully align the cover with the screw posts on Bob.
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When the cover sits flat against Bob, reinstall all of its 6 screws. Hold the cover down against bOb as you do so.
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Replace the main brush motor if you have removed it before you begin closing Bob.
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If you have four circuit plugs for your mainboard, follow this step before proceeding to the Closing bOb Guide.
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If your bObsweep only has three circuit plugs connecting the cover, go to the tutorial Closing bObsweep's cover after repair
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First slide the power inlet back into its space on the cover.
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Connect the two circuit plugs from bOb's bumper to the top of the mainboard.
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The circuit plug with all white wires connects in the middle of the mainboard's bottom edge.
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The final circuit plug connects to the bottom left corner of the mainboard. When finished, see the closing bOb guide and skip step 1.
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