During install, set sprinkler heads level with the soil surface, align arcs clear of hardscape

https://remingtonxndg966.quillnesty.com/posts/eco-friendly-lawn-sprinkler-installation-designing-for-water-performance

During installing, set sprinkler heads stage with the soil floor, align arcs away from hardscape, and flush lines until now attaching nozzles to hinder trapped debris cutting efficiency.