Hunter Technical Support Document
PGP Sprinkler Adjustment Instructions
To Increase the Arc
To Decrease the Arc
Radius / Distance of Throw
Insert the steel hex end of the Hunter wrench into the radius adjustment screw. Turn the screw clockwise (into the stream of water) to decrease the radius, or counterclockwise to increase the radius. Radius can be reduced up to 25%.
Caution: Turning the adjustment screw clockwise more than five full turns may result in a lost radius adjustment screw.