crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

iRobot Roomba 551 Main Brush Motor Replacement

crwdns2915892:0crwdne2915892:0

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

crwdns2942213:0crwdne2942213:0

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

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

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

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

    • Gently pull upwards on the brush to remove it.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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 .

    crwdns2913378:0crwdne2913378:0

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

    • Grab the brush case and pull upwards to remove.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0

  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.

    crwdns2913378:0crwdne2913378:0
crwdns2915888:0crwdne2915888:0

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

crwdns2935229:02crwdne2935229:0

crwdns2862417:0crwdne2862417:0

crwdns2935293:0crwdnd2935293:04crwdnd2935293:0crwdne2935293:0

John McTigue

crwdns2935283:001/31/14crwdne2935283:0

331 crwdns2915208:0crwdne2915208:0

crwdns2935297:03crwdne2935297:0

crwdns2918514:0crwdne2918514:0: 8

crwdns2935301:05crwdne2935301:0

crwdns2915084:0crwdne2915084:0

Cal Poly, Team 13-14, Regan Winter 2014 crwdns2935289:0Cal Poly, Team 13-14, Regan Winter 2014crwdne2935289:0

CPSU-REGAN-W14S13G14

crwdns2931471:04crwdne2931471:0

crwdns2935297:019crwdne2935297:0

crwdns2947412:00crwdne2947412:0

crwdns2917038:0crwdne2917038:0

crwdns2936625:0crwdne2936625:0:

crwdns2936751:024crwdne2936751:0 0

crwdns2936753:07crwdne2936753:0 1

crwdns2936753:030crwdne2936753:0 18

crwdns2942667:0crwdne2942667:0 3,931