Installation & Maintenance - Hunter PGJ Rotor Product Information

INSTALLATION &
MAINTENANCE
Installation Height
The PGJ pop-up sprinkler should be
installed at finish grade as shown in the
illustration.
Arc Adjustment
Radius Reduction Screw
PGJ
Plus+ Minus -- Arc Adjustment
1. Rotate the nozzle turret counterclock-
wise to the left stop.
2. Now, rotate the nozzle turret clockwise
Radius Reduction Screw
to the right stop. This is the fixed side
of the arc. The nozzle turret must be
held in this position for all arc adjust-
ments.
PGJ
To increase arc:
1. Insert the key end of the Hunter wrench
into the adjustment socket on top of the
Plus+ Minus -- Arc Adjustment
sprinkler.
2. While holding the nozzle turret at the
right stop, turn the wrench clockwise.
6
Pull-up
Socket
V
Pull-up
Socket
V
3. The wrench will stop turning when
adjusted to the maximum arc (360°).
Do not go past this stop.
4. Adjust to any arc between 40°-360°.
To decrease arc:
1. Insert the key end of the Hunter wrench
into the adjustment socket.
2. While holding the nozzle turret at the
right stop, turn the wrench counter-
clockwise.
3. The wrench will stop turning when
adjusted to the minimum arc (40°).
Do not go past this stop.
4. Adjust to any arc between 40°-360°.
Radius Adjustment
To decrease radius:
1. Turn nozzle-retainer/radius-adjustment
screw clockwise.
2. If smaller radius is desired install
smaller nozzle. This will affect precipi-
tation rate.
To increase radius:
1. Turn nozzle-retainer/radius-adjustment
screw counterclockwise.
2. If larger radius is desired, install larger
nozzle. This will affect precipitation
rate.
Precipitation Rate Adjustment
To increase precipitation:
1. Remove existing nozzle.
2. Replace with larger size.
3. Adjust radius.
To decrease precipitation:
1. Remove existing nozzle.
2. Replace with smaller size.
3. Adjust radius.