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You are here: Home > Sprinkler School™ > Parts and Components > Sprinkler Sprays and Rotors > How To Adjust A Rotor Head - Signature (Nelson)
How to Adjust A Rotor Head - Signature (Nelson)

How to Adjust A Rotor Head - Signature (Nelson)

Sprays/Rotors - Parts and Components

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Arc Adjustments

Adjusment of the arc of a Toro Rotor
Adjusment of the arc of a Toro Rotor
Adjusment of the arc of a Toro Rotor
Adjusment of the arc of a Toro Rotor

Full Circle Adjustment


For full circle; leave black side up. No need to set collars.

Part Circle Adjustment


  1. Remove click-set disk and manually turn sprinkler until nozzle points to the center of the desired watering area.
  2. Place Click-set disk in with the gray side up. Adjust collars to desired angle.
  3. Memory Ring Protection - If sprinkler is manually turned past the set pattern, the memory ring will pop temporarily out of position while the sprinkler rotates around to its original part circle pattern. If the memory ring gets out of position while you are setting the pattern, remove the disk and rotate the ring with your fingers until the tab clicks into place.

Quick Adjust


Ratcheting piston allows for quick turret adjustment for part-circle applications— wet or dry.


Note: The ratcheting piston, wet or dry, will not break during adjustment.

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