Parts

No parts required.

  1. The Roomba Battery is the large yellow block under the Roomba's front bumper.
    • The Roomba Battery is the large yellow block under the Roomba's front bumper.

  2. Remove the battery by pressing the two side tabs, as demonstrated.
    • Remove the battery by pressing the two side tabs, as demonstrated.

    • Gently lift the battery up and out of the device.

    • Obtain a replacement battery cell from the manufacturer. Simply drop the new battery into place.

    • Begin by removing the rear particle bin.

    • Choose either of the two wheels on the side of the Roomba and identify the three screws located on the hubcap of the wheel.

    • Using a Phillips Head screwdriver, remove all three screws on the side of the hubcap of the wheel.

    • Gently slide the hubcap up and out of the wheel well of the Roomba.

    • Mind the wires attached to the optical encoder located in the hubcap.

    • Using compressed air, thoroughly clean the optical encoder until satisfied.

    • With a screw driver, gently remove the drive belt from the gear.

    • Carefully slide the gear out of the gear shaft of the wheel.

    • Thoroughly clean the exposed area of the wheel using either compressed air or a moist cotton swab. Be mindful of the exposed inner drive shaft when cleaning the wheel area to prevent any preexisting dust from entering the drive shaft.

Conclusion

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

4 other people completed this guide.

Christian

Member since: 10/06/2010

263 Reputation

1 Guide authored

Team

Cal Poly, Team 20-7, Maness Fall 2010 Member of Cal Poly, Team 20-7, Maness Fall 2010

CPSU-MANESS-F10S20G7

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4 Comments

Thanks for your advice. I cleaned the sensors on the wheels and still the unit was having a circular dance. From another site mentioning another model there could be a problem with the sensors behind the front bumper bar and yes that was the problem. They needed blowing out with a strong air gun. Now after extensive cleaning my Roomba is running like a dream :-)

photofil - Reply

My problem as well with my Roomba scheduler. The black and white front wheel housing was packed with rug fiber. Cleaned it out and all is well.

Also have a roomba discovery. It has a different front wheel with out any apparent sensor.

Will Long - Reply

I have a roomba4100 it will turn on it will try to go but will stop after 1second don't know what's wrong could it be the belt

Rodney - Reply

I have a Roomba from 2002 (before the 400 series. This tutorial looks like it might apply, but I can only get 2 of the 3 screws off the hubcap of the wheel. The other one is blocked by the top cover.

Stephen Martinson - Reply

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