During install, set sprinkler heads degree with the soil surface, align arcs clear of hardscape
https://rylanbpqa058.readspirex.com/posts/when-to-replace-vs-fixing-making-the-right-sprinkler-choice
During setting up, set sprinkler heads stage with the soil floor, align arcs away from hardscape, and flush strains earlier attaching nozzles to stay away from trapped particles lowering performance.