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iRobot Roomba 551 Main Brush Motor Replacement

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This guide explains how to remove the main brush motor from your Roomba.

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  1. iRobot Roomba 551 Main Brush Motor Replacement, Side Brush: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Place your Roomba upside-down on a hard surface.

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  2. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • While holding the side brush in place, use a Phillips #1 screwdriver to remove the 4.5mm screw from the center of the brush.

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  3. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Gently pull upwards on the brush to remove it.

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  4. iRobot Roomba 551 Main Brush Motor Replacement, Bottom Plate: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Rotate the Roomba upside-down so the bottom is facing towards you.

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  5. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Using a Phillips #2 screwdriver, remove the captive screws that hold the bottom plate in place.

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  7. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Carefully lift the bottom plate.

    • The battery is only secured in place by the bottom plate, and may fall out once the bottom plate is removed.

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  8. iRobot Roomba 551 Main Brush Motor Replacement, iRobot Roomba 551 Dirt Bin Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Push on the dirt bin release button, and pull gently.

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  9. iRobot Roomba 551 Main Brush Motor Replacement, Brush Case: crwdns2935265:08crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Use a Phillips #1 screwdriver to loosen the 4 captive screws around the case .

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  10. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Grab the brush case and pull upwards to remove.

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  11. iRobot Roomba 551 Main Brush Motor Replacement, Main Brush Motor: crwdns2935265:010crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement, Main Brush Motor: crwdns2935265:010crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement, Main Brush Motor: crwdns2935265:010crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use a Phillips #1 screwdriver to remove the 9.5mm screws from the side of the brush case, and pull to detach.

    • Repeat for the opposite side of the brush case.

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  12. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:011crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:011crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:011crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use a Phillips #1 screwdriver to remove the three 5.0mm screws from the back of the brush case.

    • Pull off the back of the brush case.

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  13. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:012crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:012crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use a Phillips #1 screwdriver to remove the two 1.5mm screws securing the chip in place.

    • Remove the chip from its housing in the blue brush case.

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  14. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:013crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:013crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use a Phillips #1 screwdriver to remove the two 5.5mm screws securing the motor in place.

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  15. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:014crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:014crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use a Phillips #1 screwdriver to remove the two 4.5mm screws on the top and bottom of the metal plate.

    • Pull out the motor and metal covering.

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  16. iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:015crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:015crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 iRobot Roomba 551 Main Brush Motor Replacement: crwdns2935265:015crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Use a Phillips #1 screwdriver to remove the two 3.5mm screws on the corners of the circuit board.

    • Gently pull out the circuit board.

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

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John McTigue

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CPSU-REGAN-W14S13G14

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