Introduction

The bumper sensors on bObsweep Standard and Pethair models are essential in directing movements and determining Bob's distance from obstacles.

Video tutorial:

Parts

No parts required.

Video Overview

Image 1/3: 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. Image 2/3: Depending on your model, there may be only 6 screws installed on bObsweep. Image 3/3: Depending on your model, there may be only 6 screws installed on bObsweep.
  • Flip Bob over and remove the 7 screws around which hold the cover together.

    • 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.

    • Depending on your model, there may be only 6 screws installed on bObsweep.

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Image 1/3: 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. Image 2/3: 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. Image 3/3: 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.
  • 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.

  • 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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Image 1/2: Detach the power inlet from the cover. Grip and slide it out. Image 2/2: Detach the power inlet from the cover. Grip and slide it out.
  • Flip bOb back over so you can see the screen. Lift the cover up to reveal bObsweep’s main board.

  • Detach the power inlet from the cover. Grip and slide it out.

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Image 1/2: 1. On the bottom left corner: a small connector with red, black and white wires. Image 2/2: 2. One thick white wire that attaches on the right side of the previous connector.
  • 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.

    • 1. On the bottom left corner: a small connector with red, black and white wires.

    • 2. One thick white wire that attaches on the right side of the previous connector.

    • 3. On the top edge of bOb’s motherboard: a wide multicoloured connector.

  • Place the cover aside and begin your repair.

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Image 1/3: To remove these , uninstall the two screws holding them in place. Then, lift each sensor up. Image 2/3: To remove these , uninstall the two screws holding them in place. Then, lift each sensor up. Image 3/3: To remove these , uninstall the two screws holding them in place. Then, lift each sensor up.
  • There are two sensors that touch the inside of bOb’s bumper wired to one another as well as one circuit plug.

  • To remove these , uninstall the two screws holding them in place. Then, lift each sensor up.

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Image 1/3: Make sure you place the sensor with the red wire on the left side when bOb’s cover is upside down. Image 2/3: The black wired sensor should be on the right side during the repair. Image 3/3: Replace the screws in the innermost holes. Then follow the guide for [guide|26905]
  • Place your new sensors in the open spaces.

  • Make sure you place the sensor with the red wire on the left side when bOb’s cover is upside down.

  • The black wired sensor should be on the right side during the repair.

  • Replace the screws in the innermost holes. Then follow the guide for Closing bObsweep's cover after repair

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Conclusion

To reassemble your device, follow these instructions in: Closing bObsweep's cover after repair

Tatiana

Member since: 06/28/2014

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