During install, set sprinkler heads point with the soil surface, align arcs far from hardscape

https://edgarhzmz449.wpsuo.com/common-sprinkler-head-issues-and-exactly-how-to-fix-them

During set up, set sprinkler heads point with the soil surface, align arcs clear of hardscape, and flush traces before attaching nozzles to prevent trapped debris cutting overall performance.