Introduction

Is your Roomba banging its head against the wall? Follow this guide to replace the bumper sensor.

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  • Place your Roomba upside-down on a hard surface.

If all you need off is the faceplate, skip all of the screwdriver-based steps, and just remove the dirt bin(step 7) and start from step 11 at the rear.

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  • While holding the side brush in place, use a Phillips #1 screwdriver to remove the 4.5mm screw from the center of the brush.

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  • Gently pull upwards on the brush to remove it.

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  • Rotate the Roomba upside-down so the bottom is facing towards you.

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  • Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.

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Image 1/1: The battery is only secured in place by the bottom plate, and may fall out once the bottom plate is removed.
  • Carefully lift the bottom plate.

  • The battery is only secured in place by the bottom plate, and may fall out once the bottom plate is removed.

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  • With a Phillips #1 screwdriver, remove the ten 12mm screws located along the bottom of the bumper.

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  • Lift the bottom cover and set it to the side.

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Image 1/2: The battery is not secured in place once the bottom plate has been removed, and may fall out when the Roomba is turned right-side up. Image 2/2: The battery is not secured in place once the bottom plate has been removed, and may fall out when the Roomba is turned right-side up.
  • Flip the Roomba over, grasp the bumper, and gently lift to remove.

  • The battery is not secured in place once the bottom plate has been removed, and may fall out when the Roomba is turned right-side up.

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  • Flip the Roomba so that the bottom is facing you.

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  • Remove the two 5mm screws located near the center of the bumper using a Phillips #1 screwdriver.

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  • Pull gently on the bottom of the sensor to remove.

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Image 1/3: You are now free to replace the bumper sensor. Image 2/3: You are now free to replace the bumper sensor. Image 3/3: You are now free to replace the bumper sensor.
  • Flip the bumper over and lift the sensor from its compartment.

  • You are now free to replace the bumper sensor.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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Cody Rhoads

Member since: 01/16/2014

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Cal Poly, Team 13-14, Regan Winter 2014 Member of Cal Poly, Team 13-14, Regan Winter 2014

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