The instructions can be downloaded from the Siamp website. www.siamp.com
Go into the products list and then look for Mechanisms, Dual Flush, Skipper 36. At the bottom of the page is a link to "Download the Note of Use". This is what you need.
Alternatively, you may find that this direct link may work: http://www.siamp.com/images/stories/Notices/Notice_36_Anglais.pdf
Have fun......... If you know where to get a new sealing washer for one of these, then please let me know !!
Mike, March 2009