Hunter Gear Drive Adjustment Key Wrench for Hunter Pop Up Sprinklers for all PGJ PGP
Hunter Adjustment Key Wrench – PGJ, PGP-ADJ, PGP Ultra, I-20, I-25, I-35, I-40, I-60, I-90 Adjustment. The Hunter adjustment Key wrench consists of a 3/32 allen key, two convenient finger loops for gripping and an opposite side arc adjustment key for all your Hunter rotor adjustments. The easiest way to make adjustments on your Hunter rotor is to use a Hunter adjustment Key wrench. There are two adjustments that can be made on your rotor, the arc and the radius. The arc adjustment is responsible for changing the rotational pattern the head is going to cover. The factory setting and minimum arc on a Hunter rotor is 40 degrees, the maximum is a full 360 degrees.