Nelson Sprinklers

I have the Nelson model 6000 rotor sprinklers

Remove the lid. If there is a screw, unscrew, it will jump. Set the levers inside what you need, or if you need a full circle, to remove them.

Wow, you have your own tennis court? What, like $ 20,000 or more? Good for you. ask the guy who built your court on the sprinklers.