Adjusting gear-driven sprinklers

For maximum efficiency ensures even water distribution and prevents waste. Follow these steps for optimal performance:

1. Identify the Sprinkler Model

Different brands (Hunter, Rain Bird, Toro) have unique adjustment methods, so check the manufacturer’s manual if needed.

2. Adjust the Spray Pattern (Arc)

·      Locate the Adjustment Screw: Most sprinklers have a screw at the top near the nozzle.

·      Use a Special Key or Flathead Screwdriver:

·      Increase the arc: Turn clockwise.

·      Decrease the arc: Turn counterclockwise.

·      Common Arc Range: Most models adjust between 40° to 360°.

·      Check Coverage: Ensure overlap with adjacent sprinklers for uniform watering.

3. Set the Spray Distance (Radius)

·      Find the Radius Adjustment Screw (near the nozzle).

·      Use a Screwdriver:

·      Turn clockwise to decrease the throw.

·      Turn counterclockwise to increase it.

·      Avoid Overspray: Adjust to prevent water from hitting sidewalks, driveways, or buildings.

4. Align the Starting Position

Manually Rotate the Head: Turn the sprinkler head to the fixed left stop.

Adjust the Right Stop: If needed, rotate the head clockwise to set the new stopping point.

5. Check Water Pressure

·      Ideal Pressure: 30–50 PSI for most gear-driven sprinklers.

·      Too High? Use a pressure regulator.

·      Too Low? Check for clogs or leaks in the system.

6. Inspect for Clogs or Debris

·      Remove the nozzle and flush the system if water flow seems uneven.

·      Clean or replace nozzles as needed.

7. Run a Test Cycle

·      Observe spray patterns and make final tweaks.

·      Adjust sprinkler run time based on soil type and weather.