Chapter 8: How to Replace Roomba Discovery Side Brush Gear Assembly

Chapters Menu

Chapter 1: What Is Roomba Discovery Series Saying To Me? Chapter 2: How to Open/Replace Frame Roomba Discovery Chapter 3: How to Replace Roomba Discover Series Main Brush Casing Chapter 4: How to Replace Roomba Discovery Main Brush Motor Chapter 5: How to Replace Roomba Discovery Motherboard Chapter 6: How to Replace Roomba Discovery Speaker Chapter 7: How to Replace Roomba Discovery Side Brush Motor Chapter 8: How to Replace Roomba Discovery Side Brush Gear Assembly Chapter 9: How to Replace Roomba Discovery Front Caster Wheel Chapter 10: How to Replace Roomba Discovery Caster Wheel Drop Switch Chapter 11: How to Replace Roomba Discovery Drive Wheel Chapter 12: How to Replace Roomba Discovery Cliff Sensors Chapter 13: Roomba Discovery Motherboard Connections This guide will explain how to change the side brush motor gear assembly on your Roomba Discovery 4XXX/4XX series, pictured below: 8.1         Side Brush Gear Assembly Replacement Roomba replacement side brush gear assembly can be found at RobotShop. Removal Phase 1 -           Remove the spring from the side brush motor holder.

2 -          Unscrew and remove the side brush motor holder.

3 -          Remove the side brush motor.

4 -          Unscrew the two screws in order to remove the side brush gear assembly.

5 -          Remove the side brush gear assembly.

6 -          Unscrew the side brush from the side brush gear assembly and remove it.

Assembly Phase 1 -           Screw the side brush onto the replacement side brush gear assembly.

2 -          Place the replacement side brush gear assembly in its place.

3 -          Screw the two screws to hold it in place.

4 -          Place the side brush motor in its socket in the side brush gear assembly.

5 -          Place the wires correctly.

6 -          Place the side motor holder properly on the side brush motor.

7 -          Screw the side brush motor holder into place.

8 -          Connect the wheel spring to the side brush motor holder. You have now changed the side brush motor gear assembly.

For details on how to reassemble the Roomba’s frame, please see the Roomba Discovery 4XXX & 4XX Servicing and Repair Guide, Ch. 2: How to Open Roomba / Replace Frame. For addition help contact the RobotShop Technical Team via our Online Support Center. Roomba replacement parts can be found at RobotShop.