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Re: The brush is spinning out of control.
It seems that the rheostat for the brush has shorted. It needs a replacement. Please have it replaced with an exactly the same one. (Rheostat is the one that controls the speed of the brush rotations.)
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Re: The brush is spinning out of control.
the brush assembly from the base unit and check the condition of the
drive belt. Check the brush end bearings for wound-up thread, hair, and
other debris. Place the brush back without the belt--it should spin
freely. Reinstall the belt if it is in good condition and check for
motor running of the brush. If it seems weak, replace the belt. Hope
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If you have a brush control, make sure that its in the centre position when its stood upright and then try releasing the head to put the machine into the vacuuming position and see if the brush control dial moves forward to the on position and that the brush bar is turning.
Full details on these checks can be seen on our site at www.dyson.com in the support section.
When a Dyson DC07 roller brush does not spin, it can only be caused by one of two problems.
The Dyson DC07 uprights use a
clutch mechanism to control the brush spinning when you change the
floor / carpet switch. When the brush doesn't spin, it's caused either by the clutch or roller brush gone bad.
Most other uprights use a belt to spin the roller brush, and if
something is stuck in the roller brush it will cause the belt to break.
Dyson vacuums however will make that awful grinding noise rather then
breaking the belt.
I'll be happy to
walk you through step by step on how to diagnosis this problem and find
out which one of these two parts is bad on your vacuum.
Make sure the vacuum is unplugged. Then turn the vacuum upside down so
that the brushes are facing up. It's easiest if you put the head of the
on top of a bench, or counter top. This is how the vacuum should look:
2. You see on the bottom of the vacuum 3 plastic screws that are
the same color as the vacuum cleaner. If you're vacuum is purple, the
will also be purple. Use a flat head screwdriver, and turn each of the 3
a half of a turn, counter clockwise to loosen then. After each screw has
turned (you don't need to remove the completely, just a half of a turn
simply pull upwards on the bottom plate to remove it.
3. You should now be able to see the roller brush exposed. You'll now
to remove the roller brush. This will take some patience, and some work
to get this brush out of the vacuum. There is a special tool that has
designed to help you get the brush out easier. I would try getting the
first before buying this special tool. The easiest way is to use a flat
screw driver and pry the belt up while pulling up and out on the brush.
some patience and some maneuvering, you'll be able to get the brush out
vacuum. Here's where you should put the flat head screw driver on the
Step 4. Once you get the brush out of the vacuum
cleaner, it's time to test it.
Use your finger tips to hold just the end caps on the very end of the
brush. While holding just the end caps, use your thumbs to try and spin
roller brush. Does the brush spin freely? It should rotate completely
times on each spin. If the brush doesn't spin, or you feel some kind of
resistance to the brush spinning, then this indicates that your roller
gone bad. Here's a picture
of how to test the brush:
the roller brush went bad, then you'll need to purchase a new one.
Here's a direct link to the roller brush your machine uses on our
website GoVacuum.com: http://www.govacuum.com/dysondc07.html
the brush however was able to spin
freely, and it spun multiple times on each spin, this indicates a little more
serious problem of the clutch itself has gone bad. The clutch
is a much longer, more challenging repair to do. There is a very helpful
how to replace the clutch below so that you may follow step by step
on how to change it. It was really helpful for me the first time I did
When the brush stops spinning it can only
be one of these two problems. This clutch mechanism was so
problematic that Dyson removed it on the second series of the DC07
models. I hope that this repair was helpful in diagnosing your
problem. If you have any questions about the diagnosing, or the
clutch change, please feel free to use the Clarification Request form
here on the Fixya repair page. If this was helpful you, please be sure
to rate my repair as helpful by clicking the thumbs up icons.
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.
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.
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.
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.
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.
Solution: Remove the clear plastic cover located in front of the brush control switch (I used a butter knife). Locate the small screen and remove the dirt and hair from it with your fingernail or an old tooth brush. Restore the cover and you should be good to go.
hello. there is a little window by the brush control. if you open it up, you can see that there is maybe some lint covering it. scrape that off, and try again. make sure your lever is set to brushes and realease the handle release. if this doesn't work, then you probably have a problem with your gear box. this can only be serviced at a repair shop. I hope this helps. Let me know! Thanks, Renevacdoc
I have had problems with the belts on my Mach 5 overheating (smell of burning rubber) and also with the motor overheating and shutting down.
I learned the hard way that one of the issues might be that the roller/brush on the bottom of the unit has a metal bearing inside the roller/brush that can become clogged with hair (both human and pet hair) which effects performance of the unit. It’s fairly easy to fix.
Lay the vacuum on the floor so that you can see the roller/brush. Then remove the phillip head screws that hold the protective plastic plate over the roller/brush. (There are about 6 screws that hold this plastic protective plate in place) Also, you will be removing the (1) screw that also holds the plastic plate over the belts. There are (2) belts that you can remove and when in doubt replace these (2) belts for around $9.00.
Once you have the protective plastic plate off that covers the roller/brush disconnect the belt is around the roller. Take the roller and cut off any hair that is wrapped around the roller. Next, grab the roller by each end and twist the ends caps and (1) of the ends will unscrew. Once you have unscrewed one of the ends remove any hair or dust that is trapped under this cap. (Be careful not to lose the small metal washer that sit on top of the bearing)You will notice under this cap is a metal bearing that can become clogged and jammed with hair. The hair should come out fairly easy and allow the brush to spin fairly easy once you have screwed the end caps back in place test that it spins freely. If it doesn’t spin freely replace the roller/brush with a new one for about $23.00.
When you put the belts back on the thick rubber one (Belt # 40201-271) has probably become stretched and should be replaced for about $3.00. The small diameter belt that goes over the roller/brush probably does not usually need to be replaced and does not usually fit very tight. I have heard that people will take the small roller/brush belt and turn it upside down to get a better fit.
I just did this on my Mach 5 and it runs like a new machine. I did end up replacing the roller/brush head.
Hopefully you will find this useful.