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I replaced the belt on my eureka 4870 vac and set it for carpet, but the brush will not turn?

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Check that you have put the seal caps at the end of each brush roll side properly - it fits in usually with the arrows down the way, or if there is a triangular "angle" sitting, its how the caps fit into the sides - sometimes Electrolux/Eureka models have different caps on either side of the brush that need to be aligned properly as well as ensuring that the brush belt is on. Also check that the brush bar is completely clean. Hope that helps you! 

Posted on Jan 02, 2009

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Eureka 4870 brush won't stop turning in upright position


there will be a linkage that as come loose and not operating the limit switch to turn it off, try looking at 23. Idler Clamp Assembly on the link below.
http://www.vacpartswarehouse.com/Eureka-4870-Ultra-Smart-Vac-s/1928.htm

Jan 27, 2013 | Eureka Smartvac 4870 Bagged Upright Vacuum

1 Answer

Change the belt


Hi There,

Here's how you can replace the belt on your Eureka SmartVac 4870. I have taken pictures of the repair to help you better with this.

Here's what you'll need in order to complete this repair:

- Eureka Style R Extended Life Replacement Belt, Part 61110
- Eureka SmartVac Model 4870 Roller Brush Assembly, Part 61520 (Only if the brush no longer spins, or the brushes are worn out)
- Phillips head screw driver

Step 1. Turn the vacuum upside down so that the brush roller is facing upwards. Unscrew the three screws that I've highlighted in red.

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Step 2. Remove the bottom plate after unscrew the three red highlighted screws. Once you remove the bottom plate, you'll have full access to the roller brush and belt area. Remove the roller brush by pulling straight up on the roller brush itself. Discard old belt, and test roller brush to ensure that it spins freely by holding the very end of each side, also called the bearing caps with just your finger tips. Try spinning the brush with your thumbs. The brush should spin several times around with each spin. If you notice the brush doesn't spin at all, or if you feel some resistance when you spin the brush, this means that your bearings are either gone, or will be soon. It may be time to consider a new roller brush at this time.

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Step 3. Remove the new Eureka Style R belt from the packaging, and wrap one end around the the metal pin, on the opposite side of the roller brush. This pin is actually the motor shaft that spins the belt, which spins the brush.

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Step 4. Wrap the other end of the belt through the side of the roller brush that has the pulley, and use the roller brush to stretch the brush roll back into the agitator housing. Make sure the end caps fit in the housing correctly by making sure there are no gaps between the roller brush housing and the end caps of the roller brush.

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Step 5. After reinstalling the roller brush back into the housing with the belt attached, pull the belt forwards towards the brush. The brush should spin when you do this. Make sure that the belt is not pinched underneath of the roller brush or this will cause the belt to break immediately when you turn the vacuum back on.

Step 6. Reinstall the bottom plate, making sure that the little notches on the front end of the bottom plate tucked underneath of the reverse notches on the bottom housing of the vacuum cleaner. Tighten all 3 screws back into the bottom plate. Make sure the vacuum is set to carpet mode, and turn the vacuum on.

If you have any questions about this repair, or if you notice that the roller brush stops when the brushes hit the carpeting, please just use the clarification request form here on the Fixya repair page. I will then be happy to walk you through a little more advanced repair of replacing the clutch in the Eureka SmartVac that controls the rug/floor switch. Most of the time though the belt will be all the vacuum needs.

I hope that this was helpful information to you. If this helped you, please be so kind and rate the repair as helpful by clicking on the thumbs up icons in the top corner of this repair.

Thank you very much,

Chris J.
GoVacuum

Apr 04, 2010 | Eureka Smartvac 4870 Bagged Upright Vacuum

1 Answer

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.

Jan 03, 2010 | Eureka Smartvac 4870 Bagged Upright Vacuum

1 Answer

I have a Eureka 'The Boss Smart Vac'. The beater


Yes, you need to replace the belt. You should actually change this belt every year. Here is a link to the belt you need and the manual which has instructions:

Eureka The Boss Smart Replacement Belts

Owner's Guide (3,666K download)

Dec 09, 2009 | Eureka Smartvac 4870 Bagged Upright Vacuum

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)

Dec 06, 2009 | Eureka Smartvac 4870 Bagged Upright Vacuum

1 Answer

Eureka 4870: Brush roller turns even in hose setting.


You either have the wrong size belt, most likely too small, or you have installed a new belt incorrectly. When you open the cover on the bottom of your vac, you will see the pulley that moves as you flip the switch from floors to carpet. The belt does not go around this pulley. When activated(carpet) the pulley puts tension on the belt causing it to turn the roller. When switched back to hard floors, the belt looses tension allowing motor to cause suction but disabling roller. Also, the dial on top of vac is only to direct suction, not for disabling roller

Jun 21, 2009 | Eureka Smartvac 4870 Bagged Upright Vacuum

3 Answers

New brushroll for eureka smartvac 4870; bristles too long to turn


HI Don't forget that you have a height adjustment control so its better to put it in the highest position - if this is not allowing the roller brush to move properly on the carpet then switch the vacuum off, and lightly trim with scissors on the brush lines. Avoid cutting everything down though - a slight trim should improve things. Generally though when brushes appear too long its usually because the height adjustment dial hasn't been set upwards.

Mar 27, 2009 | Eureka Smartvac 4870 Bagged Upright Vacuum

1 Answer

Eureka The Boss Smart Vac, beater bar stops turning when you use it on carpet


It is a simple fix that you need. Your belt needs to be replaced. After a period of time, the belt stretches to the point where it is still strong enough to spin the brush when you have the machine upside down to look at it, but when you put the machine down on the carpet the belt is too weak to turn the brush against the resistance of the carpet.

Most Eureka belt changes are simple to do and the belts are inexpensive.

Oct 24, 2008 | Eureka Vacuums

5 Answers

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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