It's worth noting that the blue circular height locking ring half way down must be fully rotated and click into the lock position, otherwise it will impede the flush mechanism. Even a couple of millimetres out of full lock will do it. It's not always easy to see that you've done this when working in tight cisterns when you can only turn it with your finger tips.
Quite clear but missing two vital bits of info! Perhaps you can explain. 1. The silver plastic button I have appears to be in 2 halves but they both operate together: there does not appear to be a half / full flush function. Is that correct? 2. the 2 sliders for adjusting flush volume: you say move up and down to adjust. What does each slider do? Should I move up for greater volume or what? Hope you can help. Thanks from the UK.
Thank you, great tutorial. I have done something wrong however, when I flush, you need to hold your finger on the button, otherwise the flush stops as soon as you take your finger off. Any help would be appreciated and TIA.
The piece the buttons screw onto is adjusted incorrectly. There is a Blue disc on the top of the valve. That has to be turned anticlockwise, the piece the button attaches to is lifted up, the lid is refitted to the cistern which will push this piece down to the correct height. The blue disc is turned clockwise and it will click when locked off.