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iRobot Roomba 891 Side Brush Motor Replacement

Introduction

This easy to follow guide will walk you through replacing a defective side brush module on your roomba. This guide requires a propriatery bit screwdriver that is not found in most homes. You will need to purchase one before begining.

What you need

  1. iRobot Roomba 891 Side Brush Motor Replacement, Battery: step 1, image 1 of 2 iRobot Roomba 891 Side Brush Motor Replacement, Battery: step 1, image 2 of 2

    • Start by flipping your Roomba onto its back on a flat surface.

    • Be sure not to close the side brush bristles in the battery door during reassembly as shown by the handy warning in the second photo.

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  2. iRobot Roomba 891 Side Brush Motor Replacement: step 2, image 1 of 1

    • Unscrew both the 11mm Phillips #2 screws from the battery cover and remove cover from the Roomba.

    • These captive screws are not intended to be removed from the cover.

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  3. iRobot Roomba 891 Side Brush Motor Replacement: step 3, image 1 of 3 iRobot Roomba 891 Side Brush Motor Replacement: step 3, image 2 of 3 iRobot Roomba 891 Side Brush Motor Replacement: step 3, image 3 of 3

    • Grasp the tabs on either side of the battery.

    • Remove the battery by pulling up on the tabs.

    • While you're here, check the battery contacts for corrosion or debris.

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  5. iRobot Roomba 891 Side Brush Motor Replacement, Side Brush: step 4, image 1 of 2 iRobot Roomba 891 Side Brush Motor Replacement, Side Brush: step 4, image 2 of 2

    • Remove the 7.5mm flat head #4 screw from center of the side brush.

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  6. iRobot Roomba 891 Side Brush Motor Replacement: step 5, image 1 of 1

    • Gently pull the side brush off of the motor hub.

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  7. iRobot Roomba 891 Side Brush Motor Replacement, Side Brush Motor: step 6, image 1 of 1

    • Remove dustbin from Roomba.

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  8. iRobot Roomba 891 Side Brush Motor Replacement: step 7, image 1 of 2 iRobot Roomba 891 Side Brush Motor Replacement: step 7, image 2 of 2

    • Unscrew 2 phillips #2 screws from the bottom cover.

    • Remove the bottom cover.

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  9. iRobot Roomba 891 Side Brush Motor Replacement: step 8, image 1 of 3 iRobot Roomba 891 Side Brush Motor Replacement: step 8, image 2 of 3 iRobot Roomba 891 Side Brush Motor Replacement: step 8, image 3 of 3

    • Unscrew and remove the single 13mm Tri-point Y1 screw and retaining tab.

    • Loosen two captive Phillips #00 16mm screws.

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  10. iRobot Roomba 891 Side Brush Motor Replacement: step 9, image 1 of 2 iRobot Roomba 891 Side Brush Motor Replacement: step 9, image 2 of 2

    • Grasp motor module and remove from roomba.

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Conclusion

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

Cancel: I did not complete this guide.

1 Guide Comment

We did this whole process and it still doesn’t turn :0(

jeanne.curnuck - Reply Share

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