Hunter rotary sprinklers operate on a “gear drive” system. When in operation, water turns a small turbine in the base of the sprinkler, which drives a series of gears that cause the head to rotate. The Hunter gear drive mechanism is sealed from dirt and …

Rotary sprinklers require a certain amount of pressure and flow to operate properly. If the rotor does not receive the pressure it needs to pop up a leaky head will result. Here are some things to look for when a rotor doesn't pop up properly: Problem:   …

Residential Rotors - Rotor Nozzle Installation Procedure …

The easiest of the rotor pressure gauges to use, the  Rotor Pitot Gauge  (P/N 280100), has a tube placed directly in front of the primary nozzle stream for an accurate working pressure (dynamic) reading. This gauge will work on all Hunter rotor sprinklers …