Adjusting a Rainbird sprinkler head is a fairly simple process that involves adjusting the spray pattern, direction, and distance of the water being sprayed. Here are the steps to follow:

  1. Locate the adjustment screw on top of the sprinkler head. This screw is usually located in the center of the head and is used to adjust the spray pattern.

  2. Turn on the sprinkler system and observe the spray pattern of the sprinkler head. Determine whether the water is being sprayed too far, too short, or in the wrong direction.

  3. To adjust the spray distance, turn the adjustment screw clockwise to decrease the distance or counterclockwise to increase the distance.

  4. To adjust the spray pattern, turn the screw in the direction that you want the water to go. For example, if you want the water to spray in a half-circle pattern, turn the screw so that the water is directed in that pattern.

  5. To adjust the direction of the spray, gently lift the sprinkler head and rotate it to the desired direction. You can also adjust the arc of the spray by moving the left and right stops on the sprinkler head.

  6. Once you have made the necessary adjustments, turn off the sprinkler system and observe the spray pattern again to ensure that the adjustments are correct.

  7. Make any additional adjustments as needed until you are satisfied with the performance of the sprinkler head.

Remember to adjust your sprinkler heads periodically to ensure proper coverage and water conservation.