http://cyberoptix.com/wind_turbine.php
start
turn off water to tank
tank before
flush toilet - it shouldn't refill
old towels just in case - didn't need it
the unit
made in 1989 - 3.5 gpf or more
removed flapper - messy work have rag handy
undo nut
clean
install flusher button
1 for #1, 2 for #2
