Difficulty

Moderate

Steps

11

Time Required

                          20 minutes - 1 hour            

Sections

3

  • Battery
  • 3 steps
  • Side Brush
  • 2 steps
  • Extractor Assembly
  • 6 steps

Flags

1

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  • BackiRobot Roomba 891

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Introduction

What you need

Step 1

              Battery               
  • 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.

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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Step 2

  • 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.

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.

Step 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.

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.

Step 4

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

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

Step 5

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

Gently pull the side brush off of the motor hub.

Step 6

              Extractor Assembly               
  • Remove the dustbin assembly from the Roomba.

Remove the dustbin assembly from the Roomba.

Step 7

  • Unscrew the 2 phillips #2 11mm screws from roomba.
  • These captive screws will remain in the bottom cover after being loosened.

Unscrew the 2 phillips #2 11mm screws from roomba.

These captive screws will remain in the bottom cover after being loosened.

Step 8

  • Lift the yellow tabs and lift the red cover from the extractor assembly.

Lift the yellow tabs and lift the red cover from the extractor assembly.

Step 9

  • Remove the rollers from the assembly by lifting it out from right side.

Remove the rollers from the assembly by lifting it out from right side.

Step 10

  • Close the cover and remove the four 11mm Phillips #00 screws from the assembly.

Close the cover and remove the four 11mm Phillips #00 screws from the assembly.

Step 11

  • Grasp the center of the assembly and remove from the roomba.

Grasp the center of the assembly and remove from the roomba.

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

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Author

                                      with 2 other contributors 

                    Justin Tolin                     

Member since: 05/29/2019

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Team

                       South Arkansas Community College, Team S1-G1, Mitchell Summer 2019                        

                                                  Member of South Arkansas Community College, Team S1-G1, Mitchell Summer 2019 



                    SACC-MITCHELL-SU19S1G1                     


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                                            5 Guides authored