Introduction

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

Place your Roomba upside-down on a hard surface.
  • 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.
  • 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.
  • 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.
  • 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. Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.
  • Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.

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Carefully lift the bottom plate.
  • 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. With a Phillips #1 screwdriver, remove the ten 12mm screws located along the bottom of the bumper. With a Phillips #1 screwdriver, remove the ten 12mm screws located along the bottom of the bumper.
  • 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.
  • Lift the bottom cover and set it to the side.

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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.
  • 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.
  • 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. Remove the two 5mm screws located near the center of the bumper using a Phillips #1 screwdriver.
  • 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.
  • Pull gently on the bottom of the sensor to remove.

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Flip the bumper over and lift the sensor from its compartment. You are now free to replace the bumper sensor. 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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