How to Adjust a RainBird T-40
- 1). Turn the sprinkler on.
- 2). Pull the vandal collar down.
- 3). Push down on the turret and turn clockwise to increase arc. Increase the arc only while the sprinkler is turning to the left.
- 4). Push down on the turret and turn counter-clockwise to decrease arc. Decrease the arc only while the sprinkler is turning to the right.
- 5). Move the vandal collar back into its slot near the top of the sprinkler head.