In article om,
" wrote:


Make certain the pipes are free of dirt and debris when you do the
final installation. You don't want to clog the filter or nozzle in
the sprinkler head.

jason

That is my first cut. I yearly go through and take the heads off each
one, rinse out that little filter thingy and then run the sprinkler for
a couple of seconds before putting the head back on. If that don't take
care of the dirt and debris (g).