1
Insert the key end of the Hunter wrench into the lift-up socket of a pop-up sprinkler. Pull the riser up to gain access to the nozzle socket.
2
Using the Hunter wrench, loosen the nozzle-retainer/ range-adjustment screw. If a nozzle is already installed in the sprinkler, it may now be removed by briefly turning on the water.
3
Discard nozzle if removed with pliers. Slip the desired nozzle into the nozzle socket. Note that the socket is angled up 25° (see Fig. 4). Tighten the nozzleretainer/range-adjustment screw.
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