Dyson & Sebo Vacuum Cleaner Repair & Advice Forums
Dyson Models => Dyson DC14, DC17, DC27, DC28 and DC33 => Topic started by: Dysonboy123 on April 21, 2018, 10:08:18 pm
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I installed a new dc33 gasket on the cyclone ( a Quаltex one) the one which is prone to damage . Once I installed and used the machine I can hear a very small hiss from the cyclone. Is it a problem?
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Check around the perimeter, do you see any gaps? It could be hissing due to the suction leaking as a result of the seal not being fitted correctly.
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There's no gaps. Could the seal need replacing again? I fitted the seal properly and tightly.
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Are you sure it’s a hissing noise? The cyclones can be howling when they’re all clean, and you’re not used to the noise since it’s a clear air path, so it’ll make some noise
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I noticed that one of the seal bit isn;t on the cyclone. Can I use it like it is or will it damage the seal?
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TBH it’s best if you make sure the seal is on right and it’s sealed all the way around with no gaps
It’s like that for a reason, so no air escapes
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I've ordered another torx 15 screwdriver as I've lost mine somewhere :'( :'(. It's expected to arrive between Wednesday and Thursday. Can I still use the machine?
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I wouldn't, it could be dangerous.
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I've had one of the edges bend in whilst assembling before without realising, doesnt take much!
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I've tried so many times to make it perfect but it keep making a very little hissing sound.
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I wouldn't, it could be dangerous.
Worst case scenario is if it's a leak between chambers you may have to wash the filter a bit earlier than normal, or if it's a leak from the outside, you'll have slightly less suction.
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I'm trying to make the seal fit properly to stop that hissing sound. Any advice on how I could fix it?
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Maybe coat the channel the gasket sits in with some sealant, wipe up the excess with a mild degreaser, then pop the gasket and manifold back on?
Unless the gasket is uneven or cracked, which sealant would temporarily stop.
I cant think of another reason why it would leak.