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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 manual explains how to replace the main brush motor on your
Roomba Discovery 4XXX/4XX series, pictured below:
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4.1 Main Brush Motor Replacement
Roomba replacement main brush motor can be found at RobotShop.
Removal Phase
1- Remove any glue that holds
the motor connection in place.
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2- Remove Roomba's left wheel spring from the holder near the left side of the motherboard.
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3- Remove the holder on the left side of the motherboard.
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4- Disconnect the motor connector from the motherboard.
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5- Remove the left casing holder located near the speaker.
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6- Lift up the main brush casing on the left side.
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7- Remove any glue or screws holding the motor connection wires.
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8- Remove screws (A).
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9- Remove screw (B).
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10- Remove the main brush motor.
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Assembly Phase
1- Place the motor holder on the replacement motor.
2- Insert the replacement main brush motor on the motor shaft. Make sure the motor is properly inserted and the holder is placed correctly.
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3- Reinstall screws (A) and screw (B).
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4- Properly insert the casing holder back into place.
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5- Plug the motor connector into the motor connection on the motherboard.
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6- Position the spring holder correctly, and screw it into place.
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7- Rehook the wheel spring to the Spring holder.
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8- Place the motor wires correctly Along the frame and glue them in place. You have now replaced your main brush motor.
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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.