Just snap it in and lock it into place.
5000 Series Sprinkler Nozzle Installation
Just find the nozzle you need, snap it off, and pop
it into your Rain Bird 5000 series sprinkler head. After that just
give the radius adjustment a turn with a screw driver to lock the nozzle
Tips from the video:
the Rain Bird adjustment tool and insert it into the slot.
the tool 90 degrees and pull up the turret.
off the nozzle that we indicate for use in your design.
the nozzle into the hole.
the radius adjustment clockwise to lock the nozzle into place