Hi, We are trying to troubleshoot a loud rattling noise that is heard when we use it on carpet. It sounds like the beater bar is hitting on something. We need diagrams or photos to show us the correct position to seat the beater bar. Jen [email protected]
I had the same problem. I removed the brush from the machine. The brush should move freely when removed. If it doesn't move freely, pull the ends from the brush, both ends come off(one will have a rod fixed to it). I would suggest you clean the ends and the inside of where the ends sit on the brush. I applied a little grease on both end housings(inside end housing) if no grease available try washing up liquid. Put the brush ends back on the brush. I then spun the brush to check that it moved freely. It should move freely, if it does fit it back on the machine and it should be silent. If you cant get it to move freely I suggest a replacement brush. Tip: I used a blunt knife and placed it through the belt to avoid removal of the belt. Good luck. Cheers Jason
thanks for the info...i bought a used Dyson DC 14 animal for 430! The brush roll wouldn't spin and it made a horrible loud noise when i tried to use it on the carpet adjustment. I ordered a new clutch and replaced it and it didn't help. I only paid $20 bucks for the new clutch on ebay so I wasn't too disappointed that it wasn't the problem. I then read your solution and removed both ends, cleaned the gunk out of them and sprayed with WD-40. Worked like a charm! I needed this dyson for my cleaning service (I have the same one at home and love it). I will be returning the new clutch and enjoying my $30 dyson:)
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Not exactly a solution, but more of an explanation. The noise is caused by a ratchet device that's designed to protect the belt if the brush roller becomes blocked. It's a bit like a clutch that slips when resistance on the brush gets too great. The noise will occur if there's a solid blockage, of course, but it will also occur whenever the machine senses excessive resistance. This may happen on carpets with really thick pile, but can also happen if the carpet is loosely fitted and can be sucked up tight to the roller by the force of the vacuum.
Small consolation, but the problem should lessen as the brush wears. Meanwhile, if all else fails, switch the brush off (hard floors mode) while vacuuming the problem carpet(s).
I've had the same problem off and on with my DC14, (not the animal version, but it's probably the same), for several years. Typically by cutting off all of the hair on the brush, the brush has less resistance and will spin fine. But this time, not the case. I messed with it for an hour with no positive result, but I kept noticing that the screw piece (of the plate that keeps the brush bar in place), on the brush side, wasn't easily sliding into the screwing position. Turns out, that the brush bar was ever so slightly out of place. The half circular "setting" in the main housing where the brush bar and belt rest, were not lined up right with the brush bar. With the belt still attached, I pulled the brush bar up slightly and slid it over a little so that the two side walls that keep the belt isolated on the bar, were returned to the outside position of the "setting" on the housing.
I tried the same thing after reading your comment. The housing wall was bent and worn and was sitting outside the brush bar rim. I lifted the brush and pushed the bent plastic back inside the brush bar rim.It will probably happen again until I get a new housing.
Thank you switchback4 - it took a while to figure out what you meant but after some studying of the belt housing, it clicked! Now my Dyson DC14 is humming as good as new!
Did you add some form of lubrication to the ends of the beater bar? The reason i ask is, i believe the noise comes from the plastics rubbing together.
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The explination does explain what is happening and I has gone to attachments or no brush on the throw rugs on the hard wood floors. I do think it is a design flaw with this model.
I have the same problem. My dyson dc14 makes a horrible noise when in the carpet position. Doesn't matter what kind of carpet. It stops when I bump the vac into a wall a little. Then back to the horrible noise. I have cleaned the brush and that doesn't help at all. Tried to reposition the beater bar brush and that doesn't work either. I think whoever posted that it's a design flaw was right. I guess we are screwed and need to purchase another?
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I had the same problem, so I took it back and got a new one. The New one does the same thing. The beater bar doesn't hit anything, sounds like the drive skips soon as it hits the carpet. I think it is a safety feature to save the belt. My carpet is a burber, so there shouldn't be any resistants.
Maybe to much power,or spins to fast and as soon as there is any pressure on the beater bar, it skips...
loud noise i think the belt is in wrong place
My DC 14 has the same problem, I cleaned all the hair from the brush and belt drive but after awhile it starts again. I have to turn it off and on to stop the noise several times. Is this a design flaw and is there a fix for it? I am very handy and can replace the clutch but others stated that it happens even after the repair. Any ideas?
my beater brush skips and sounds like a screeching noise - the end caps are loose on my brush --- so i think that the bearings inside are freezing up as they are not aligned from the wobble on the end cap which should be closed with no gaps
Same problem
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