Bank holiday puzzle (no prizes, sorry)

Aug 26, 2006 4 Replies
M

The cistern is constantly dribbling water into the WC, which should be a fairly easy problem to fix, but I don't know how to dismantle the mechanism. I can examine it from above, but there's no access to the front or back.



Here's a picture:



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"bridge" across the top seems to hold everything in place. It presumably clips into the front and back of the cistern somehow, but I can't work out how to remove it without exerting a dangerous amount of force.



Has anyone come across one of these before, and if so, can you tell me how to get into it?


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C

That's one of those air operated ones isn't it?

I've seen them in Wickes, so you could go and play with one in the shop...

Cheers,

Colin.

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C

IANAP (I am not a plumber)

The grey circular piece below looks like it might be a retaining ring of some sort...

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A

Could that be the overflow mechanism? I can't see what sort of filling valve it's got as it's cut off the top of the picture and obscured by the flush mechanism.

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M

From the replies I've seen so far, there isn't any "aha!" so a bit of explanation might be in order.

The three major components are:

(1) The release valve, which is several parts loosely stacked in a sort of tapering circular tower shape.

(2) The lattice bridge, which clips somehow onto the front and back of the cistern.

(3) The pneumatic release, which is a bellows wedged between the bridge and the tower, connected to the button with the transparent tube seen above the bridge. The pneumatic release isn't integral to the design and I imagine that a mechanical lever could easily have been fitted instead.

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