Depending on how the system is installed, the arc can be adjusted between 30 degrees and 350 degrees. RainBird T-Bird T-40 sprinkler nozzles have a vandal collar which prevents the arc from being changed accidentally.
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Turn the sprinkler on.
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Pull the vandal collar down.
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Push down on the turret and turn clockwise to increase arc. Increase the arc only while the sprinkler is turning to the left.
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Push down on the turret and turn counter-clockwise to decrease arc. Decrease the arc only while the sprinkler is turning to the right.
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Move the vandal collar back into its slot near the top of the sprinkler head.
The Drip Cap
- The RainBird T-Bird T-40 sprinkler system is a gear-driven rotor system that accommodates various sprinkler nozzles.
- Push down on the turret and turn counter-clockwise to decrease arc.