iRobot Roomba 891 Side Brush Motor Replacement

Written By: Justin Tolin
  • Comments: 1
iRobot Roomba 891 Side Brush Motor Replacement

Difficulty

Moderate

Steps

9

Time Required

15 - 30 minutes

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.

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

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

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    • Remove dustbin from Roomba.

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

    • Remove the bottom cover.

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

    • Loosen two captive Phillips #00 16mm screws.

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    • Grasp motor module and remove from roomba.

Conclusion

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

Author

Justin Tolin

Member since: 29/05/19

718 Reputation

One comment

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

jeanne.curnuck -