During installing, set sprinkler heads point with the soil floor, align arcs clear of hardscape

https://andersonvzaf303.urbanvellum.com/posts/step-by-step-lawn-sprinkler-setup-for-new-landscapes

During install, set sprinkler heads stage with the soil floor, align arcs away from hardscape, and flush traces until now attaching nozzles to restrict trapped debris chopping overall performance.