Opening the lid of the flush tank of Odeon Up (Jacob Delafon / Kohler)
Surprised today that the lid of my toilet's flush tank can't be lifted, I spent considerable time to read internet forums in order to find a solution. So here it is, if it can help anyone. This concerns Jacob Delafon's / Kohler's two-piece watercloset Odeon Up (cuvette au sol Odéon Up).
This is the top of the lid before the intervention:
You need to press and hold down the large button, put a small flat screwdriver in between the large and small moon-shaped button and lift gently to small button with the help of the screwdriver. The large button remains in place:
You now put your fingers on the area surrounding the big button and turn it counter clock wise, you will feel that the button cylinder starts to unscrew and you continue until the cylinder can be taken off:
You can now lift the lid in order to do you intervention:
In my case, it was only some limestone deposits that were blocking the mechanism – simple to solve with a bit of alcoholic vinegar spilled over it.