Hunter PGJ Manuale utente

Arc Adjustment

(All PGJ adjustable heads are PRESET to

approximately 40°)

1. Rotate the nozzle turret counterclockwise

to the left stop.

2. Now, rotate the nozzle turret clockwise to

the right stop. This is the xed side of the

arc. The nozzle turret must be held in this

position for all arc adjustments.

To increase arc:

1. Insert the key end of the Hunter wrench

into the adjustment socket on top of the

sprinkler.

2. While holding the nozzle turret at the right

stop, turn the wrench clockwise.

3. 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 counterclockwise.

3. 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/range-adjustment

screw clockwise using hex end of Hunter

tool or slot screwdriver. This can reduce

radius up to 25%.

2. If an even smaller radius is desired, install

a smaller nozzle. This will affect precipita-

tion rate.

To increase radius:

1. Turn nozzle-retainer/range-adjustment

screw counterclockwise using hex end of

Hunter tool or slot screwdriver.

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.

Note: Undamaged nozzles are reusable.

PGJ

Gear Driven Sprinklers

Hunter Industries Incorporated • The Irrigation Innovators

www.HunterIndustries.com P/N 700974 LIT-379 3/04

Fig. 3

Nozzle/Range

Adjustment

Screw

Lifting

Socket

Adjustment

Socket

Model

Identification

Fig.

Radius Reduction Screw

cke

PGJ

Nozzle

ID. Tab

Adjustmen

Radius Reduction Screw

Plus+

Minus-

Arc Adjustment

Pull-up

Socket

Plus+ Minus-- Arc Adjustment

Pull-up

Socket

Nozzle Installation

1. Insert the plastic key end of the Hunter

wrench into the lifting socket of the sprin-

kler and turn 90°. Pull the riser up to gain

access to the nozzle socket.

2. Using the hex key of the Hunter wrench,

turn the radius adjustment screw coun-

terclockwise 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.

3. Slip the desired nozzle into the nozzle

socket. Note that the socket is angled up

Data represented test results in zero wind. Adjust for local conditions. Radius may be reduced up to 25% with adjustment screw (this may alter the uniformity of spray pattern).

Optimum performance is shown in bold type.

For warranty information on Hunter Sprinklers, consult factory.

PGJ

Gear Driven Sprinklers

PGJ Nozzle Performance Data

Pressure Radius Flow Precip in/hr

Nozzle PSI ft. GPM

.75

15'

16'

17'

0.64

0.75

0.85

0.55

0.56

0.57

0.63

0.65

1.0

18'

19'

0.85

1.0

1.1

0.51

0.53

0.59

0.58

0.62

0.68

1.5

21'

22'

1.3

1.5

1.7

0.57

0.60

0.68

0.66

0.69

0.78

2.0

24'

25'

1.7

2.0

2.3

0.57

0.62

0.71

0.66

0.71

0.82

2.5

27'

28'

2.2

2.5

2.8

0.58

0.61

0.69

0.67

0.71

0.79

3.0

30'

31'

2.5

3.0

3.4

0.53

0.60

0.68

0.62

0.69

0.79

4.0

33'

34'

3.7

4.0

4.3

0.65

0.67

0.72

0.76

0.77

0.83

5.0

36'

37'

4.7

5.0

5.3

0.70

0.75

0.81

0.86

Note: All precipitation rates calculated for 180 degree operation.

For the precipitation rate for a 360 degree sprinkler, divide by 2.

PGJ Nozzle Performance Data – Metric

Pressure Radius Flow Precip mm/hr

Nozzle Bars kPa m m3/hr l/min

.75

2.1

2.8

3.4

206

275

344

4.6

4.9

5.2

0.15

0.17

0.19

2.4

2.8

3.2

1.0

2.1

2.8

3.4

206

275

344

5.5

5.8

0.19

0.23

0.25

3.2

3.8

4.2

1.5

2.1

2.8

3.4

206

275

344

6.4

6.7

0.30

0.34

0.39

4.9

5.7

6.4

2.0

2.1

2.8

3.4

206

275

344

7.3

7.6

0.39

0.45

0.52

6.4

7.6

8.7

2.5

2.1

2.8

3.4

206

275

344

8.2

8.5

0.50

0.57

0.64

8.3

9.5

10.6

3.0

2.1

2.8

3.4

206

275

344

9.1

9.4

0.57

0.68

0.77

9.5

11.4

12.9

4.0

2.1

2.8

3.4

206

275

344

10.1

10.4

0.84

0.91

0.98

14.0

15.1

16.3

5.0

2.1

2.8

3.4

206

275

344

11.0

11.3

1.07

1.14

1.20

17.8

18.9

20.1

Note: All precipitation rates calculated for 180 degree operation.

For the precipitation rate of a 360 degree sprinkler, divide by 2.

For more information on precipitation rates see page 105.

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 ow

when the sprinkler is retracted.

Removing Filter Screen

for Cleaning

Proper Installation

Height

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