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Author Topic: DC14 wand has suction but base has little suction  (Read 1788 times)

Offline sonoman

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DC14 wand has suction but base has little suction
« on: July 16, 2014, 03:00:53 AM »
DC 14 gives plenty of suction from the wand but the base has lost suction about a week ago and I am starting to troubleshoot it.

The filters were checked a few weeks ago and I suspect if they were clogged the wand wouldn't suck either.  I get very good suction from the wand

The clutch appears to work...the brush spins normally

I don't see any blockage in the short corrugated tube that comes from the base.  I need to check for splits while it is under power; a quick visual inspection didn't show anything.

It behaves like there is something stuck in the base head but clear in the wand. 

Any suggestions to where I should look next?


Thanks

What would cause it to give suction from wand but not work from the base?

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Re: DC14 wand has suction but base has little suction
« Reply #1 on: July 16, 2014, 09:01:31 AM »
Three things to look at:

Take out the valve cover with the two buttons, is the mechanism swapping over when the machine is reclined?

Is the soleplate located correctly at the front?

Is the brushroll housing making flat contact with the floor when reclined?


Offline beko1987

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Re: DC14 wand has suction but base has little suction
« Reply #2 on: July 16, 2014, 01:59:00 PM »
I'd remove the little clear hose underneath and check it properly, I bet it's perished and split. Mummifying with insulation tape would bodge it for a few days until a new one arrives, but dont lay it on too thick or it wont bend, and that hose provides the pivot for the whole floor bit!

Even if its not split if it's very floppy and not very springy that could be causing the brushroll to loose contact with the floor and just skim it, seen many a DC04 tossed for scrap due to that!
Collector and restorer of vintage vacuums, Dyson Appreciator! Come and see my blog, where I am uploading all my mountains of brochures, manuals and other vacuum cleaner paperwork, and also my youtube channel @beko1987!

Offline sonoman

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Re: DC14 wand has suction but base has little suction
« Reply #3 on: July 16, 2014, 09:03:42 PM »
I took the whole thing apart last night and thoroughly cleaned it.  I found no obstruction and the corrugated flex hose connecting the bottom appears good still.

I was unable to find a "smoking gun" but I found several things that could contribute to poor performance.  I thoroughly cleaned the pre and post motor filters.  I disassembled the canister and cleaned the metal can inside--there were some clogged holes and it was full of dust.  I pulled the sole-plate off, cleaned out built-up lint from inside and made sure it was properly re-installed.

The bypass valve between upright and reclined appears to work properly. 

I did not check how well the sole plate fits against the floor, but the vacuum appears to work better than before.   The brush-base sucked up the debris left on my workbench when I was finished. 

I will let my wife be the final judge, however.  Happy wife, happy life!

Thank you for the replies and suggestions

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