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iRobot Roomba 551 Bumper Sensor Replacement

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  1. iRobot Roomba 551 Bumper Sensor Replacement, Side Brush: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Place your Roomba upside-down on a hard surface.

  2. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • While holding the side brush in place, use a Phillips #1 screwdriver to remove the 4.5mm screw from the center of the brush.

  3. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Gently pull upwards on the brush to remove it.

  4. iRobot Roomba 551 Bumper Sensor Replacement, Bottom Plate: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Rotate the Roomba upside-down so the bottom is facing towards you.

  5. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.

  6. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • 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.

  7. iRobot Roomba 551 Bumper Sensor Replacement, Bumper: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement, Bumper: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement, Bumper: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • With a Phillips #1 screwdriver, remove the ten 12mm screws located along the bottom of the bumper.

  8. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Lift the bottom cover and set it to the side.

  9. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • 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.

  10. iRobot Roomba 551 Bumper Sensor Replacement, Bumper Sensor: crwdns2935265:010crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Flip the Roomba so that the bottom is facing you.

  11. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Remove the two 5mm screws located near the center of the bumper using a Phillips #1 screwdriver.

  12. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:012crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Pull gently on the bottom of the sensor to remove.

  13. iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:013crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:013crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Bumper Sensor Replacement: crwdns2935265:013crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
    • Flip the bumper over and lift the sensor from its compartment.

    • You are now free to replace the bumper sensor.

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

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Cody Rhoads

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CPSU-REGAN-W14S13G14

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