This is not an easy thing to do! I looked and looked and looked but to no avail. I even went as far as to order off the internet from crannogales fram or (crannogales.com) which have yet to be shipped. However, I was wondering through Dykhof Nurseries in North Van today and to my delight I...
This is a great place to start, they have everything you could possibly need and the how to on what to do.
Start here:
http://www.beveragefactory.com
Build from here: http://www.beveragefactory.com/images/conversion-kit_manual.pdf
enjoy