During installing, set sprinkler heads degree with the soil surface, align arcs clear of hardscape

https://erickrzli723.capitaljays.com/posts/usual-sprinkler-head-issues-and-how-to-repair-them

During setting up, set sprinkler heads degree with the soil floor, align arcs far from hardscape, and flush strains sooner than attaching nozzles to hinder trapped particles decreasing efficiency.