Introduction

This guide gives instructions on removing the side brush motor in the Roomba 870. There are a lot of screws that need to be taken out to replace the motor, so make sure you set aside a spot for the screws so that they are not lost.

Turn the Roomba over so that the back side is facing up. Using the Phillips #00 screwdriver, remove the 4.0mm screw in the center of the yellow side brush and lift the part out. Using the Phillips #00 screwdriver, remove the 4.0mm screw in the center of the yellow side brush and lift the part out.
  • Turn the Roomba over so that the back side is facing up.

  • Using the Phillips #00 screwdriver, remove the 4.0mm screw in the center of the yellow side brush and lift the part out.

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Use the Phillips #00 screwdriver to remove the four 3.5mm screws that hold down the battery panel and rear panel. Use the Phillips #00 screwdriver to remove the four 3.5mm screws that hold down the battery panel and rear panel.
  • Use the Phillips #00 screwdriver to remove the four 3.5mm screws that hold down the battery panel and rear panel.

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First remove the battery panel, which is the small rectangular. After removing the battery panel, remove the rear panel.
  • First remove the battery panel, which is the small rectangular.

  • After removing the battery panel, remove the rear panel.

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Remove the three small 3.5mm screws fastened to the motor housing. After removing the screws, remove the motor housing from the rest of the Roomba. After removing the screws, remove the motor housing from the rest of the Roomba.
  • Remove the three small 3.5mm screws fastened to the motor housing.

  • After removing the screws, remove the motor housing from the rest of the Roomba.

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Remove the 2.5mm screw  in the center of the motor housing using a Tri-Wing Y1 screwdriver. After removing the screw, remove the top shell casing of the motor housing. Underneath, you will see a white gear with two screws next to it. After removing the screw, remove the top shell casing of the motor housing. Underneath, you will see a white gear with two screws next to it.
  • Remove the 2.5mm screw in the center of the motor housing using a Tri-Wing Y1 screwdriver.

  • After removing the screw, remove the top shell casing of the motor housing. Underneath, you will see a white gear with two screws next to it.

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Remove the two 2.5mm screws in the inner motor housing using a Phillips #00 screwdriver. After removing the two screws, the motor will slide right out the back, and it can be replaced. After removing the two screws, the motor will slide right out the back, and it can be replaced.
  • Remove the two 2.5mm screws in the inner motor housing using a Phillips #00 screwdriver.

  • After removing the two screws, the motor will slide right out the back, and it can be replaced.

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Conclusion

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

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Karthik Padmanabhan

Member since: 04/17/2017

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

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