How to Adjust a RainBird T-40

Tips

The RainBird T-Bird T-40 sprinkler system is a gear-driven rotor system that accommodates various sprinkler nozzles. The T-40 sprinkler nozzle can be adjusted to increase or decrease the arc while the sprinkler is in use.

The T-40 sprinkler can be adjusted to water specific areas of a lawn.

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.

  • Turn the sprinkler on.

  • Pull the vandal collar down.

  • Push down on the turret and turn clockwise to increase arc. Increase the arc only while the sprinkler is turning to the left.

  • Push down on the turret and turn counter-clockwise to decrease arc. Decrease the arc only while the sprinkler is turning to the right.

  • Move the vandal collar back into its slot near the top of the sprinkler head.

    • Warning

    Always turn the sprinkler head in the direction the sprinkler is rotation. Turning it in the opposite direction could damage the sprinkler.

    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.

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