Geberit flush valve removal?

[Gouldy]

Hi lads and lasses, need help with this Geberit flush valve removal. Did a quick search of google and it seems they can be removed without taking the toilet to bits. Anyone able to shed some light on how I can do this please? Cheers

 

[ShaunCorbs]

normally just twist one way

 

[Gouldy]

Tried turning it and it doesn't seem to unlock anything, only twists so far due to how small cistern is.

 

[ShaunCorbs]

maybe email geberit?

 

[JCSPLUMBING]

They twist off. If it's hitting cistern before releasing then you have to take the cistern off. I done one last month.

 

[kris]

Usually a quarter turn will release but they can be stiff. The bottom part stays attached to cistern