Hunter Technical Support Document
PS Spray Sprinkler Adjustment Instructions
The sprinklers come from the factory with a preset spray arc of 1º (a very thin stream). The raised dot on top of the nozzle indicates the adjustable (left) edge of the spray pattern. With the raised dot aligned to the right-hand border of the coverage area, insert the Hunter wrench into the stainless-steel hex screw and turn the screw counter-clockwise to increase the arc. The nozzle turns with the screw, and both the arc of coverage and the discharge rate are increased.
Hold the plastic nozzle stationary by inserting the two pins on the side of a Hunter wrench between any of the nozzle spokes. With a second Hunter wrench, turn the stainless-steel hex screw clockwise to decrease, and counter-clockwise to increase the radius and discharge rate.
The radius should not be reduced more than 25%. (The sprinkler is pre-set at the factory for maximum radius.)
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