Question about Dyson DC07 Animal Bagless Upright Cyclonic Vacuum

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Suction not working

The suction in my vacuum as all my other vacuum has done in the past is not as strong as it was. As a matter of fact it's actually blowing out rather than picking up. I don't know what to do to help the vacuum pick up the dirt rather than blow it out. Please tell me where I should begin with this $600 vacuum.

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Hi,

Ok first thing to do is remove & clean the 2 piece premotor filter or purchase new.

Now remove soleplate from bottom of machine to do this rotate the 3 plastic screws to unlock position. Lift sole plate off now remove any blockagers or fluff that may be built up over the brush roller.
Remove hair from brush roll using scissors.

Check short clear hose for blockages & any damage rips or tares if it is damaged purchase new hose.

Now look at belts & rotate brush roller it should turn relatively easy if it is difficult to turn by hand remove the brush roller & pull off the end caps the axle will come out with one of the caps.
Check the roller bearings clean away dust build up replace end caps & axle spin roller holding on to end cap if freely to spin refit back on to machine.

If its stiff to rotate you will need new roller.

Now pull off the 2 inspection ports check them for bits of paper etc especialy the (U) shaped port at bottom rear of machine this can contain pens pencills stones all sorts of items that hinder the suction.

Now check the long flexi hose & metal wand for any obstructions.

If after all this machine is still not working correctly go to this site http://dysonmanuals.llc.nu/

On this site you will find Dyson service manuals covering poor suction, clutch,motor, etc.

Chris...

Posted on Sep 26, 2008

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Posted on Jan 02, 2017

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2 Answers

Mt dyson has too much suction


Hi there, it's Jack at Dyson.

I'm sorry to hear you feel your DC40 has too much suction. This sounds unusual, and in order to help you resolve things we would need to take some further details about your machine, and the particular flooring type you're having difficulty with.

When you have your machine to hand, please call us directly so we can talk you through some simple troubleshooting checks to make sure everything is correct with your DC40. You can reach us on 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).

We'll look forward to speaking with you.

Sep 27, 2014 | Dyson DC40 Animal Upright Vacuum -...

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There is no suction when using the wand on DC25


After hours of investigation, I have found the root of the suction problem for anyone having the same problems. If you take the hoses off the change valve that switches between hose and brush bar. You will see that the change over is done by a flimsy piece of plastic that doesn't actually create a seal with either ports. In fact mine had a 2/3mm gap. Its disgraceful that it left the factory this way, they should have been recalled and replaced!

I wonder what Mr Dyson would say about this icon_e_smile.gif.

Let me know if your is the same and Ill tell you how I partially fixed it to get atleast 200% better suction!

Nov 04, 2011 | Dyson DC07 Animal Bagless Upright Cyclonic...

1 Answer

Dyson hose suction strong...when using the brush bar no suction available. Have looked to see that all airways (u-bend) are clear. When engaging the brushbar the brushbar turns but no suction to floor.


Hello,

There are several things that this could be. Probably the most common problem that we see when customers come in with this problem is actually a fairly simple problem to fix. Here are just a few things that this could be.

The fist possible problem sounds like the most probable to me, just because of the fact that you said you had just replaced the clutch, and therefore you had to remove the bottom sole plate. This is a VERY common problem actually.

Possible Problem #1. The first problem is extremely common. In fact, we probably see between 2-3 of these problems every week. It mostly happens after people take the bottom plate off the vacuum cleaner2_bing.gif in order to clean the roller brush. What happens is when they reinstall the bottom plate, they put it on on incorrectly. It's actually very easy to do. When the bottom plate (soleplate) is installed wrong, there will be a gap between the bottom plate, and the agitator housing, or the purple tray the roller brush sits in. This will cause the soleplate to be a few inches higher off the ground then it should be, preventing the brushes from even hitting the carpet. This makes it seem to the user that vacuum has lost suction power because without the brushes hitting the carpet, the machine will not pick up very well on floors, but when they use the attachment hose there's plenty of suction power.

Here's a picture of the WRONG way to install the bottom plate. Notice the gap in between the two housings:


9739790.jpg
Here's another picture, that is the RIGHT way to install the soleplate:


8b953d0.jpg
I would say probably 6 times out of 10 this is the problem with the customers machine. If you checked the soleplate and it is installed correctly, move on to the second possible problem.

Possible Problem # 2. Turn the vacuum cleaner2_bing.gif upside down so the brush roller is facing upwards. I found the easiest way to work on it is to put it on a counter top or work bench. On the left hand side behind the roller brush you should see a flexible transparent hose that goes from the motor to the agitator housing. This hose actually has a lot of strain on it when the vacuum cleaner is in the reclined position. When the first few series of Dyson DC07 models came out, they didn't make this hose long enough, so when the vacuum was in the reclined position, it would put too much stress on the hose, and cause the hose to actually crack, usually right where the end of the hose that goes into the agitator housing. Examine your hose and see if you have any visible cracks in this hose. If you need to you may just remove the entire hose assembly by pulling on it. It will easily come right out of the machine so you can inspect it better. Here's a picture of where the hose usually cracks:


54cb5e5.jpg
This would also explain why the vacuum works fine when using the attachments, but not on the floors. The attachment hose uses a different suction channel, and when the machine is in the upright position, no suction goes through this hose. If you do find a crack in this hose, the this hose needs to be replaced. Here's a direct link to that hose on our GoVacuum website.
Dyson DC-07 & DC-14 Upright Replacement Internal Hose Part # 904219

Possible Problem #3. I would suspect that this may not be the problem, but if neither of the solutions above worked, then try this one. Dyson's in general are prone to clogging. There are a few clog ports throughout the vacuum cleaner that were added there due to Dyson prototypes becoming clogged at these points. Here are pictures of how and where to check for these clogs. Simply remove the suction port covers at both of these locations:


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If you are getting suction power from the hose, but the vacuum still doesn't pick up on the floors, I think that these solutions should fix your problem. If you just replaced the clutch mechanism, the roller brush should be fine, but turn the vacuum over on it's side and make sure that the roller brush is actually spinning while it's on carpet mode. If none of these problems fixed your Dyson, please use the Clarification Request, or leave another comment here on the Fixya repair page, and I'll be happy to further diagnosis the vacuum cleaner with you.

I hope this was helpful to you. If so, please be sure to rate the repair as helpful by clicking the thumbs up icon in the top of the repair page. This is what keeps Fixya repair professionals like myself continue posting these detailed repair solutions for free. We really do appreciate when someone recognizes the work you've done. Thank you very much,

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1 Answer

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There is probably a clog on the U channel (little Gray tube that attaches to the Vac tubing). Pull it loose and look in side all the tubing.

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