Share
Hi, 
Welcome to the Bunnings Workshop community @Kalle. It's brilliant to have you join us, and many thanks for your question about dissembling a water mixer.
As mentioned, many of the Zucchetti instructions reference a notch and the locking nut cover being levered off via it. Since this is not a Bunnings product, I am unfamiliar with the dissembling process, which can be unique to each brand.
I trust you've turned the cover anti-clockwise to check whether it unscrews off via a threaded connection and also pulled it directly out to ensure it's not just a press fit?
I note there is a giant circlip inside the domed area, which would be removed with circlip pliers. However, I suspect this is retaining the cartridge and not fixing the dome cover.
Let me mention a few of our members, @Dave-1, @TedBear, @Noyade and @Nailbag, to see if they have any thoughts. Whilst we wait for their opinion, would you mind taking a picture looking directly at the front of the mixer and of the handle, as that might provide further insight? Also, if you happen to know the model number, that might assist us in tracking down installation instructions.
Please let me know if you have any questions.
Mitchell
Hi Mitchell,
Thank you for your long reply. Unfortunately, I don't know the model number and all the instructions that I found on the internet and were als sent to me by the Zucchetti importer do not fit my water tap. It is a bit of a mystery. Yes, I also suspect that the circlip holds the cartridge in place. I can turn the dome in both directions and nothing happens. This would indicated that there is no threaded connection. I was debating whether I should just try to pull it out. It could be just a pressfit, possibly with an o-ring, but I would not even know how to pull it off. There is nothing to hold on to. I tried to put a blunt knife between the dome cover and the part on which it sits. It just does not budge. I hesitate to use too much force, just in case there is some other mechanism (possibly inside) which holds it in place. I have attached another picture. As you can see, there is another yellow, semi-transparent piece which seems to hold the cartridge in place. Maybe, one is meant to remove the circlip, but none of the instructions mentions this in connection with removing the dome cover.
Wolfgang
That's a tricky one @Kalle. Hopefully the members I've tagged will be able to offer some insight.
Perhaps you might like to try the circlip, as it looks like you would need the pliers to remove it once you have the cover off. I'd imagine it will be too large to pull out from within the cover.
The only other thing you could do would be to go back to the company and let them know there is no notch.
Mitchell
Hi @Kalle The notch the manufacturer is referring to is in the attached photo. But this may only give them an indication of the model of mixer as it has no baring on how the dome is removed.
The fact it can free-spin indicates it's not threaded on. So it's either held in position with that cir-clip which may also retain the cartridge or it simply pulls off. I would try the cir-clip first as that has to come out anyway. Then I would use multiple-grips or similar and cloth tape the jaws. The pinch the inner lip of the dome and try and wiggle it out.
If both methods fail, then definitely call your plumber.
regards, Nailbag
