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iRobot Roomba 870 Bumper Sensor Replacement

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  1. iRobot Roomba 870  Bumper Sensor Replacement, Bumper Sensor: step 1, image 1 of 2 iRobot Roomba 870  Bumper Sensor Replacement, Bumper Sensor: step 1, image 2 of 2
    • Flip the iRoomba over so that the underside is facing up.

    • Using the Phillips #0 screwdriver, remove the 4.0 mm screw in the center of the yellow side brush.

    • Remove the yellow side brush.

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  2. iRobot Roomba 870  Bumper Sensor Replacement: step 2, image 1 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 2, image 2 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 2, image 3 of 3
    • Remove the two 3.5 mm Phillips screws that hold the battery cover onto the Roomba with a Phillips #0 screwdriver.

    • Remove the battery cover.

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  3. iRobot Roomba 870  Bumper Sensor Replacement: step 3, image 1 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 3, image 2 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 3, image 3 of 3
    • Remove the two remaining 3.5 mm Phillips #0 screws that attach the base-plate to the bottom of the Roomba.

    • Remove the entire base-plate from the bottom of the Roomba.

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  4. iRobot Roomba 870  Bumper Sensor Replacement: step 4, image 1 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 4, image 2 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 4, image 3 of 3
    • Remove the ten 3 mm screws that attach the bumper guard to the bumper with a Phillips #1 screwdriver.

    • Remove the bumper guard.

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  5. iRobot Roomba 870  Bumper Sensor Replacement: step 5, image 1 of 2 iRobot Roomba 870  Bumper Sensor Replacement: step 5, image 2 of 2
    • Be careful when removing the bumper from the Roomba to prevent damage to the sensor wires. Remove slowly!

    • Lift up the Roomba so that its bumper is not resting on anything, and slowly separate the bumper from the device.

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  6. iRobot Roomba 870  Bumper Sensor Replacement: step 6, image 1 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 6, image 2 of 3 iRobot Roomba 870  Bumper Sensor Replacement: step 6, image 3 of 3
    • Remove the two 3 mm screws that attach the sensor connector to the bumper/sensor with a #1 Phillips Screwdriver.

    • Carefully detach the sensor connector from the bumper and the sensor.

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  7. iRobot Roomba 870  Bumper Sensor Replacement: step 7, image 1 of 2 iRobot Roomba 870  Bumper Sensor Replacement: step 7, image 2 of 2
    • The sensor is now loose on the bumper. Be careful not to rapidly move the bumper for fear of dislodging the sensor and breaking it.

    • Flip the bumper over, ensuring the sensor remains inside the sensor compartment.

    • Gently remove the bumper from the black infrared sensor.

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Conclusion

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

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13 other people completed this guide.

Jacob Lindberg

Member since: 04/19/17

449 Reputation

1 Guide authored

Team

Cal Poly, Team S14-G3, Banghart Spring 2017 Member of Cal Poly, Team S14-G3, Banghart Spring 2017

CPSU-BANGHART-S17S14G3

4 Members

10 Guides authored

3 Guide Comments

Can not get to the plug-in area on the board to replace sensor this way. DOES NOT work this way.

jkeysgate - Reply Share

man kommt nicht an den Stecker. Die Anleitung bringt überhaupt nichts.

Reinhard Totzauer - Reply Share

Incomplete. This NEEDs to explain how to access the plug on the board.

Ed T. - Reply Share

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