Hello, everyone! I joined this forum in my search for information regarding the 'Rain King' sprinkler.... I've been in touch with Paul (who has a few of them), but am still in need of advice.
As-purchased:
I like to dismantle an object as far as possible, to enable more thorough cleaning/stripping/polishing/painting.
I removed the hose attachment (metal, not plastic), the two brass nozzles and retaining nuts, and (with some difficulty) the bottom screw (had to use a makeshift tool).
After presenting these to the wire wheels, cleaning and polishing, I now have the following: