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Introduzione

Quick guide on how to completely disassemble iRobot's Roomba 650 wheel module in order to clean all the internal dust/fiber buildup. The module was not designed to be easily cleaned. This guide involves some force and possibly even damaging the wheel housing

  1. With the Roomba upside down and turned off, use the Phillip's 02 screwdriver to remove the one 3.5 mm screw from the center of the side-brush. Set the screw aside and pull the brush out.
    • With the Roomba upside down and turned off, use the Phillip's 02 screwdriver to remove the one 3.5 mm screw from the center of the side-brush.

    • Set the screw aside and pull the brush out.

  2. Unscrew the four screws that hold the bottom panel using the Phillips 02 screwdriver. The screws will not come out of the bottom panel. They were designed to become loose but not be removed. This prevents you from losing them, and prevents the Roomba from sucking them up if they came out during cleaning.
    • Unscrew the four screws that hold the bottom panel using the Phillips 02 screwdriver.

    • The screws will not come out of the bottom panel. They were designed to become loose but not be removed. This prevents you from losing them, and prevents the Roomba from sucking them up if they came out during cleaning.

    • Once you are sure that all the screws have been loosened as much as possible, then lift the bottom panel up off the Roomba.

  3. Unscrew the six 12mm screws holding the side wheels on using a Phillips 00 screwdriver. There should be 3 on each side. The screws do not come all the way out.
    • Unscrew the six 12mm screws holding the side wheels on using a Phillips 00 screwdriver. There should be 3 on each side.

    • The screws do not come all the way out.

    • Remove the wheels by pulling them out.

  4. Remove the shock spring to keep the wheel from jumping off when you remove the bolts
    • Remove the shock spring to keep the wheel from jumping off when you remove the bolts

  5. Push the pin that acts as the pivot point for the suspension. I got away with just pushing with a screwdriver Use pliers to pull from the other end to remove the pin completely
    • Push the pin that acts as the pivot point for the suspension. I got away with just pushing with a screwdriver

    • Use pliers to pull from the other end to remove the pin completely

    • Unscrew all the remaining bolts

    On a Roomba 510 right now I cant get past this point. Pin wont budge

    rita rentals - Replica

  6. Unscrew the housing bolts Unscrew the two bolts that keep the motor in place Remove the plastic stopper that keeps the motor wires in place
    • Unscrew the housing bolts

    • Unscrew the two bolts that keep the motor in place

    • Remove the plastic stopper that keeps the motor wires in place

    • You should be able to take the motor out now

  7. With the motor out of the equation, try to move the wheel. If it's still stuck, than the problem is most likely the fibre buildup inside the wheel housing - as expected All the gears should slide right off. Except the last one - the one that actually drives the wheel.
    • With the motor out of the equation, try to move the wheel. If it's still stuck, than the problem is most likely the fibre buildup inside the wheel housing - as expected

    • All the gears should slide right off. Except the last one - the one that actually drives the wheel.

  8. Remove the main gear using a flathead screwdriver. This is the most difficult step - unfortunately the part was definitely not designed to be serviceable.
    • Remove the main gear using a flathead screwdriver. This is the most difficult step - unfortunately the part was definitely not designed to be serviceable.

    • This will require a decent amount of force and even though the gears seem to be made out of nylon there's a chance this one could break

    Hi friend. Thank you for your help. But I cant remove this gear :( how did you do this? Only with a screwdriver?

    E - Tik - Replica

    Hey buddy. Yes, a flat screwdriver did the trick. I guess the trick is to apply pressure to as close to the shaft as possible. I know it’s not easy and I had to battle for a few minutes but it came loose in the end

    Nuno Covas -

    Used an L shape pick tool to get under the last gear, that pull it off pretty easily.

    https://flic.kr/p/2m93Uj2

    Howard - Replica

    Hi, nothing mentioned here worked for me, I even managed to get under the gear with steel string, but no success. Next day I tried different approach - pushed the shaft out from opposite side with hammer. It was like hammering a nail into reinforced concrete wall, but only possible solution for me - I wasn’t able to loose the small gear from shaft even after disassembling the wheel.

    https://flic.kr/p/2mjpGGJ

    srb.tomas - Replica

    Hello, I noticed that the gear pins had been taken out to make room for the screwdriver blade, but I did see how. My gear would not budge either. I gently pried from the wheel side in between the wheel well housing and the wheel with a flat blade screw driver to pull the gear off. I had an idea afterwards to use a can (soup, tomato, etc) in between the wheelwell and the wheel, then use a C clamp to push the axel through from the other side, just a thought.

    Eric T - Oct 14 21

    Eric Thompson - Replica

    Forgot to say thank you for the advice. So Thank You! fAnd thanks for showing the steps you used, it really helped!

    Eric Thompson - Replica

  9. With the main gear out of the way the wheel should slide right off. In my case I had to wiggle it around a bit due to the fibre buildup
    • With the main gear out of the way the wheel should slide right off. In my case I had to wiggle it around a bit due to the fibre buildup

    • It is NOT recommended to rotate the wheel while trying to remove it. The rotation will enlarge the hole of the carrier and make the wheel loose.

    I did it on both R and L sides and the pin wouldn’t come off (lots of hair build-up). Given the limited leverage available to push the pin, I ended up inserting 2 flat pieces of plastic between the body and the wheel (it works with large flat screwdrivers too) and prying the wheel from the body. I also had to re-hammer the pin into the wheel as it had been pushed out of it by a significant amount.

    laurent - Replica

    That is an awesome advice - thanks. A few years since I wrote this manual and the other wheel needs the same work. I might try what you suggested

    Nuno Covas -

    I don't think its hair build-up that makes this wheel difficult to come out. Its the ribbed shaft that is designed to grab onto the last gear. They are slightly bigger than the hole on the housing.

    I also used 2 flat blade screw driver 180 degrees apart and that pried it off well.

    When inserting back in and putting on the first gear. I had to use a lot of force on a couple of wheels. A socket can be used push it back on.

    Howard - Replica

  10. Remove all the gross hair buildup from the axle. Should come right off. Remove all the gross hair buildup from the axle. Should come right off.
    • Remove all the gross hair buildup from the axle. Should come right off.

  11. Much better! As you can see the only thing that keeps the wheel in place is the main gear. there is no problem of the gear slipping because the axle is splined. If you want you can use some threadlock to help securing the gear.
    • Much better! As you can see the only thing that keeps the wheel in place is the main gear. there is no problem of the gear slipping because the axle is splined. If you want you can use some threadlock to help securing the gear.

Conclusione

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

Altre 27 persone hanno completato questa guida.

Nuno Covas

Membro da: 01/10/2017

865 Reputazione

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13 Commenti

I could not get the hinge pin to slide out at all on the 650, so I just disassembled the plastic bits around the wheel enough to get at all the screws on the gear housing.

If you are wondering if this will solve your problem: I confirmed that this was causing a problem because I saw that the metal axle at the center of the wheel was recessed back from being flush the surface of the wheel “hub”. The hair and plastic tag strings had slowly forced the wheel off that shaft so it was rubbing against the side of it’s space and wouldn’t turn properly.

Tim Bendt - Replica

Same here. The hair had slowly pushed the pin out and the wheel was rubbing and getting stuck.

laurent -

Do you know where to fond replacement gears? Th

Cody - Replica

This guide 100% pass for Roomba 681.

Thank you!

p.s.

step 9 was more difficult than 8!

swenstyle - Replica

I agree with the wheel removal. I never actually got it all thee way off. I did get it slid out enough to get my wife’s bra strap out though. So for me, this guide is a thumbs up!

Eric Christiansen - Replica

Does it work for 980?

Silvio - Replica

It should. I have a 960 and the instructions worked just fine, the only difference being that the carrier plastic is gray vs. blue.

The replacement wheel modules sold by iRobot are supposed to work for “500, 600, 700, 800 and 900 Series models”, so they should all be the same.

laurent -

866 Ok!

A big “thankyou” to Nuno Covas.

I have to admit, anyway, that these robots seem to be built to be easily repaired. I experienced the same problem with a Samsung Robot and it was 10x more difficult (flat cables, hidden screws, some parts made to be disassembled…once….)

Alessandro C. - Replica

True, apart from that final gear, everything else is pretty simple and straightforward.

Nuno Covas -

I was not able to apply enough leverage to remove the final gear, but this guide got me close enough. I was still able to cut and remove a shoestring that got pulled between where the inner & outer wheel met. Thanks!

Jordan Rush - Replica

This guide worked great for iRobot Roomba 980 series! Thanks for saving me $30 on a new wheel!! Steps 8 and 9 were indeed difficult but I used a flathead and slightly pried the wheel/gear around the outer edges before they came loose.

AJ Barea - Replica

Great! Removed a ton of hair from my 880’s wheels.

danshimaru_0 - Replica

This is very helpful, thank you! Does anyone know the reference of the various screws taken out in step 5? I lost one and have no idea what to order for replacement.

Ben Roussel - Replica

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