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Clicking on the timer picture will
give you specific programming information for your timer.
Clicking on the model type
will give you all of the general information for your model.
Head Adjustments
(And all technical information)
Click Here for all Hunter Sprinkler Installation and Adjustments
Rotary Sprinklers
Spray Sprinklers
Valves
Controllers
Sensors
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PGJ Rotary Sprinklers Installation and Adjustment
Instructions
Arc Adjustment
(All PGJ adjustable heads are PRESET to
approximately 40°)
- Rotate the nozzle turret counterclockwise to the left
stop.
- Now, rotate the nozzle turret clockwise to the right
stop. This is the fixed side of the arc. The nozzle turret
must be held in this position for all arc adjustments.
To Increase Arc
- Insert the plastic key end of the Hunter wrench into the
adjustment socket on top of the sprinkler.
- While holding the nozzle turret at the right stop, turn
the wrench clockwise.
- Wrench will stop turning when adjusted to the maximum
arc (360°). Do not go past this stop.
- Adjust to any arc between 40°-360°.
To Decrease Arc
- Insert the plastic key end of the Hunter wrench into the
adjustment socket.
- While holding the nozzle turret at the right stop, turn
the wrench counterclockwise.
- Wrench will stop turning when adjusted to the minimum
arc (40°). Do not go past this stop.
- Adjust to any arc between 40°-360°.
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Radius Adjustment
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To Decrease Radius
- Turn nozzle-retainer/range-adjustment screw clockwise
using the steel hex end of Hunter tool or slot screwdriver.
This can reduce radius up to 25%.
- If an even smaller radius is desired, install a smaller
nozzle. This will affect precipitation rate.
To Increase Radius
- Turn nozzle-retainer/range-adjustment screw
counterclockwise using the steel hex end of Hunter tool or
slot screwdriver.
- If larger radius is desired, install larger nozzle. This
will affect precipitation rate.
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Precipitation Rate Adjustment
To Increase Precipitation
- Remove existing nozzle.
- Replace with larger size.
- Adjust radius.
To Decrease Precipitation
- Remove existing nozzle.
- Replace with smaller size.
- Adjust radius. Note: Undamaged nozzles are reusable.
Nozzle Installation
- Insert the plastic key end of the Hunter wrench into the lifting
socket of the sprinkler and turn 90°. Pull the riser up to gain
access to the nozzle socket.
- Using the hex key of the Hunter wrench, turn the radius
adjustment screw counterclockwise to be sure it is not blocking the
nozzle socket opening. If a nozzle is already installed, it can be
removed by backing out the adjustment screw and turning on the
water, or by prying outward under the nozzle.
- Slip the desired nozzle into the nozzle socket. Note that the
socket is angled up 25° so that the nozzle range screw threads
directly down. Then tighten the nozzle range screw. The arrow on the
rubber cover will always indicate the location of the nozzle and
direction of the water flow when the sprinkler is retracted.
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| Removing Filter Screen for
Cleaning |
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Proper Installation Height |
I-10 and I-20 Ultra Rotary Sprinkler Installation
and Adjustment Instructions
Arc Adjustments
| The I-20 Ultra pop-up sprinkler should be
installed at finished grade as shown in the illustration (Fig.
1).
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Arc Adjustments
Adjustable heads are preset to approximately 180º. Sprinklers may be
adjusted with water on or off. It is recommended that initial
adjustments be made before installation.
- Using the palm of your hand, rotate the nozzle turret
counterclockwise to the left stop to complete any interrupted
rotation cycle (Fig. 2).
- Rotate the nozzle turret clockwise to the right stop. This is
the fixed side of the arc. The nozzle turret must be held in this
position for arc adjustments. The right stop does not change.
To Increase the Arc:
- Insert the plastic key end of the Hunter wrench (click
here to purchase) into the adjustment socket (Fig. 3 & 4).
- While holding the nozzle turret at the right stop, turn the
wrench clockwise. Each full 360º turn of the wrench will increase
the arc 90º.
- Adjust to any arc between 40º and 360º (Fig. 5).
- The wrench will stop turning, or there will be a ratcheting
noise, when the maximum arc of 360º (full circle) has been reached.
To Decrease the Arc:
- Insert the plastic key end of the Hunter wrench into the
adjustment socket (Fig. 3 & 4).
- While holding the nozzle turret at the right stop, turn the
wrench counterclockwise. Each full 360º turn of the wrench will
decrease the arc 90º.
- Adjust to any arc between 40º and 360º (Fig. 5).
- The wrench will stop turning, or there will be a ratcheting
noise, when the minimum arc of 40º has been reached.
Radius / Distance of Throw
| Insert the steel hex end of the Hunter wrench
into the radius adjustment screw (Fig. 6). Turn the screw
clockwise (into the stream of water) to decrease the radius, or
counterclockwise to increase the radius. Radius can be reduced
up to 25%. Caution:
Turning the adjustment screw clockwise more than five full turns
may result in a lost radius adjustment screw.
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Precipitation Rate Adjustment
If you have excessively wet or dry areas, you can change the nozzle
in the sprinkler to increase or decrease the precipitation rate. For dry
areas, install a larger nozzle. For wet areas, install a smaller nozzle.
Nozzle Installation
- Insert the plastic key end of the Hunter wrench into the lifting
socket of the sprinkler and turn 90º. Pull the riser up to gain
access to the nozzle socket (Fig. 8).
- Using the steel hex key of the Hunter wrench, turn the radius
adjustment screw (Fig. 6) counterclockwise to be sure it is not
blocking the nozzle socket opening. If a nozzle is already
installed, it can be removed by backing out the adjustment screw and
turning on the water, or by pulling outward on the nozzle removal
post with a pair of needle-nosed pliers.
- Slip the desired nozzle into the nozzle socket (Fig. 7). Note
that the socket is angled up 25º. Then tighten the nozzle range
screw. The triangle on the rubber cover will always indicate the
location of the nozzle and direction of water flow when the
sprinkler is retracted.
Aligning the Right (Fixed) Side of Arc
If the right side of the arc is not properly aligned, the results may
be a wet walkway or a dry turf area. The right side arc can easily be
realigned. One way to realign the right stop is to turn the whole
sprinkler body assembly and the fitting below it, left or right to the
desired position. This may require temporary removal of the soil around
the sprinkler to allow you to grip the sprinkler housing.
Another way to reset the right arc is to unscrew the body cap
counterclockwise and remove the internal assembly from the body. Once
removed, rotate the nozzle turret to the right stop, screw the internal
assembly back into the body with the nozzle aligned to the right side of
the area you want irrigated (Fig. 9). At this point you have realigned
the right arc stop, and you can adjust the left arc to an appropriate
setting.
Note: It is not necessary to dig up and remove the whole sprinkler to
realign the right arc.
Turning Flow On or Off
Insert the plastic key end of the Hunter wrench
into the FloStop® adjustment socket (Fig. 3 & 10). Turn wrench clockwise
to decrease or shut off the flow. Turn the wrench counterclockwise to
increase the flow.
The following manuals are available for download.
Right click the file and choose "save as" from the menu to download the
file to your computer or simply click to open.
Hunter Pro-C Controller (1.9 mb)
Hunter SRC Controller (882 kb)
Hunter SRC Plus Controller (1.1
mb)
Hunter ICC Controller (1.6 mb)
Additional Hunter Literature
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