Question about Dyson DC07 All Floors Bagless Upright Cyclonic Vacuum

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No suction I cleaned and checked all hoses, sounds like something is stuck inside, like a sock, took machine apart as much as I could and couldn't find anything. Any suggestions?

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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

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


Posted on Sep 26, 2008


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2. Detach the hose from the machine. Do this by twisting the grey fitting on the back of the machine. (Note: leave the attachment end of the hose plugged into the machine) Turn the machine on. Hold your hand over the hose fitting. If there's strong suction then there is a blockage in the hose.

3. If not, check in the fitting to see if something is stuck in there. On the back of the machine there is a long clear tube that travels down the back of the machine. Sometimes larger peices of paper get stuck in there. If something is in this tube, take a phillips screwdrive, remove the 7 black screws off and remove the blockage. Reassemble and try the machine.

4. There are two filters on this machine. The one that may be clogged and affecting the suction is located below the canister in the front of the machine. Simply pull ouot the tray and reomve the grey foam filter to clean. Rinse it out with warm water then allow it to dry. Replace in its tray then slide the tray back into the machine. The other filter is the HEPA filter and has nothing to do with the suction of the unit. It is an exhaust filter and does need to be changed at least once a year. It filters the air coming out of the machine. The first few times we used ours the whole house smelled "clean". Whne a new filter is placed in the machine that "clean" snmell returns. The filters are $25 apiece at

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