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Roll brush stops on contact with carpet

I have a Eureka Boss SmartVac (4870 series) that is having problems with the roll brush. It rolls fine until it has contact with the carpet then it stops until it lift up on the vacuum a bit. I have it set on the highest carpet setting (my carpet is not that high nor that plush), I have cleaned the belt area with alcohol as well as the belt, oiled the roll brush ends (they move freely.) I changed the belt once before and it helped the problem for only a little while before the symptoms started again. Do I really need to change the belt every month on this vacuum? Surely there has to be a better solution, these belts are aprox. $6 ea. I called the company (not too helpful) and they mentioned the possibility of adjusting a tensioner. Is that something I can do myself if that is the problem? Please help; I'm very frstrated with my less than 2 yr. old vacuum.

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  • vinces00 Jan 09, 2009

    What would cause this if the belt is in the correct position (its the original belt in the same position as when it was purchased)?

  • Anonymous Feb 16, 2009

    I have the same problem with mine. It is very frustrating. I think the engineers who design this piece of junk out smarted themselves. In an attempt to save the motor from strain, I think they made the vacuum unusable. 

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  • 1,673 Answers

There could be a problem witht the tensioned. Take off the top cover and try to see why it isn't pushing the belt when the handle is tilted back. Hopefully the belt is in the proper position, I have seen where the belt was put on the wrong side of the pulley it is supposed to ride on.

Posted on Mar 18, 2008

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1 Answer

Eureka 4870 brush won't stop turning in upright position


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http://www.vacpartswarehouse.com/Eureka-4870-Ultra-Smart-Vac-s/1928.htm

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Have a Eureka "the boss" smartvac, won't pick up anything when I try to vacuum carpet. Any suggestions on how to fic this problem?


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2nd) make sure your brush roll spins when handle is reclined in operating position. (disengage brushroll control by flipping the "switch" towards you)
3rd) check belt to make sure it is not broken
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Does the vacuum lose suction when in the floor mode if the belt is broken?


To put it simply, no. By floor mode I'm assuming you're stopping the brush roll from turning so that you can clean hard surface floors instead of carpet. When the brush roll doesn't turn you do lose agitation which vibrates the carpet so that the dirt is more easily picked up by the vacuum. But you don't lose suction because the brush is not turning.

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Brush roll belt stops turning when in position to vacuum. Does turn when vacuum is turned onto side. Belt is in tact, brush roll is fine. What's going on?


I think I know what the problem is with your machine. It's a rather lengthy repair, and I'll be happy to photograph it for you (like I do on most of my Fixya answers), but I'd like to know before doing all of that if you still need help, or if you've already fixed it.

Thanks,

CJ

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4870 roller part number


I know the belt number
Eureka Part Number: 61110B (Replaces 61110, 61110A)
And the roller i think: Genuine Eureka Brush roller part number 61250-3 for Eureka The Boss/Smart vac/smartvac ultra 4800 series vacuums including models 4870 and 4880
Hope this helps you.

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My Eureka The boss Smartvac Model #4870 roller brush won't turn even on the highest setting and the belt smells hot. we took the belt off. How can you tell if it needs replaced?


Just by what you explained I can tell that it needs to be replaced. The belt doesn't have to be broken to need replacing, if it is stretched and worn then it will slip on the motor shaft and not turn the brush roll and get hot. Here is a link to the belts you need and the manual which has instructions:

Bissell 4870 Belts

Owner's Guide (3,666K download)

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1 Answer

Brush roller spins until it touches the carpet, then stops.


That means that the belt is stretched or worn. Here is a link to the replacement belts you need and a manual which has instructions:

Eureka Smartvac 4870 Belts

Owner's Guide (3,666K download)

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Looking for Eureka belt 70646A for a Eureka The Boss upright


I just replaced the belt on my Eureka The Boss Smart Vac (Model 4870D). I purchased a namebrand Eureka R belt from a local vendor. I did my best to follow the instructions printed on the bottom of the machine. I turned on the vacuum cleaner and the belt brush was spinning! I dropped it into vacuuming floor mode and the belt wouldn't spin no matter what level I put it on.

I called the manufacturer (1-800-282-2886) and spoke with a very nice woman on the phone. While I was speaking with her I noticed that a silver screw was lodged within the "brush roll control" yellow selector switch. With some shaking it became dislodged and I was able to put the "brush roll control" into the hard floors setting and turn the "carpet height adjustment" all the way to the right, so that it was facing the word "low." I then followed the instructions for replacing the belt again.. (1) remove base plate (2) remove brush roll (3) place new belt around motor shaft and then around brush roll (4) insert left side of brush roll before right side (5) rotate brush roll to be sure belt is centered (6) replace base plate, making sure to insert under 4 little tabs before securing with screws.

It appears that it is very important that the carpet height and brush control adjustment are set to their highest point possible (hardwood setting) in order to get the brush to roll in a carpet setting.

"R" is the correct belt for the 4870 and should be correct for all other 4800 models.

Thank you for posting your problem to this website. If I hadn't seen that others were having trouble, I would have just given up. I hope this long post helps someone that was in my situation.

Mar 08, 2008 | Vacuums

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