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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 demonstrate how to replace the main brush casing on your
Roomba Discovery 4XXX/4XX series, pictured below:
3.1 Main Brush Casing Replacement
Roomba replacement main brush casing can be found at RobotShop.
Removal Phase
1 - Remove holders (A) and (B).
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2 - Lift the main brush casing at point (A).
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3 - Remove Screw (A).
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Note: This screw is not present on all models. Some models have hot glue instead.
4 - Remove Screws (B).
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5 - Remove main brush casing motor.
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6 - Remove connector (A), which is the connector for the dirt detector (or detectors).
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7 - Cut tie-wrap (A).
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Note: Some robots have hot glue instead of a tie-wrap.
8 - Remove the main brush casing from the robot.
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Assembly Phase
1 - Insert the motor shaft in the new main brush casing.
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2 - Place the old motor on the new main brush casing.
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3 - Insert screws (A) and (B).
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4 - Correctly place the main brush casing in the robot. Then replace Holder (A) and Holder (B). Make sure they are tightly and correctly in place so the robot closes properly.
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5 - Reconnect Connector (A), and you’re done.
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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.