Hunter Professional Series Manuale utente

LIT-109.REVE (Converted)-1 9/19/03 3:48 PM Page 1

Arc adjustment

(All PGM 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 fixed 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. (Note: all

adjustments can be made with less than

one full turn of the adjusting wrench.)

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.This can reduce radius up to 25%.

2. If an even smaller radius is desired,

install a smaller nozzle. This will affect

precipitation rate.

To increase radius:

1. Turn nozzle-retainer/range-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.

Note: Undamaged nozzles are reusable.

Nozzle sets are also recyclable.

PGM

Gear Driven Sprinklers

Hunter Industries Incorporated •The Irrigation Innovators

www.HunterIndustries.com

P/N 700109 LIT-109 4/03

Nozzle

ID.Tab Adjustment

Socket

Radius Reduction Screw

Plus+

Minus-

Arc Adjustment Pull-up

Socket

Professional Series™

LIT-109.REVE (Converted)-1 9/19/03 3:48 PM Page 2

• If the top of the screw is

below the top of the turret,

the screw must be turned

counter-clockwise until it is

flush with the top before

removing the nozzle.

• If the screw is flush with the

top of the nozzle turret, the

nozzle can be installed by

reversing the steps above.

Step #2

While

holding

identifier

tab, push

down and

forward

on nozzle.

Top of screw must

be flush with top

of nozzle housing

Step #3

Pull

nozzle

straight

out.

Step #1

Use hex end

of Hunter

wrench to

pry nozzle

identifier tab

up from top

of sprinkler.

Nozzle Removal Removing Filter Screen

for Cleaning Proper Installation

Height

Data represent 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). For information on

testing standards and precipition rate

calculations, see Hunter Irrigation

Products catalog. Optimum

performance is shown in bold type.

The average precipitation rate is

approximately .45" per hour for a 180˚

arc sprinkler (actual precipitation may

vary and should be calculated).

PGM Nozzle Performance Data

Pressure Radius Flow Precip in/hr

Nozzle PSI ft. GPM

.50

15'

16'

17'

0.42

0.50

0.58

0.36

0.38

0.39

0.41

0.43

0.45

.75

17'

18'

0.64

0.75

0.85

0.43

0.45

0.51

0.49

0.51

0.58

1.0

19'

20'

0.85

1.0

1.1

0.45

0.48

0.53

0.52

0.56

0.61

1.5

23'

24'

25'

1.3

1.5

1.7

0.47

0.50

0.52

0.55

0.58

0.60

2.0

25'

26'

27'

1.7

2.0

2.3

0.52

0.57

0.61

0.60

0.66

0.70

3.0

28'

30'

2.5

3.0

3.4

0.61

0.64

0.73

0.71

0.74

0.84

PGM Nozzle Performance Data – Metric

Pressure Radius Flow Precip mm/hr

Nozzle Bars kPa m m3/hr l/min

.50

2.1

2.8

3.4

206

275

344

4.6

4.9

5.2

0.10

0.11

1.6

1.9

.75

2.1

2.8

3.4

206

275

344

5.2

5.5

0.15

0.17

0.19

2.4

2.8

3.2

1.0

2.1

2.8

3.4

206

275

344

5.8

6.1

0.19

0.23

0.25

3.2

3.8

4.2

1.5

2.1

2.8

3.4

206

275

344

7.0

7.3

7.6

0.30

0.34

0.39

4.9

5.7

6.4

2.0

2.1

2.8

3.4

206

275

344

7.6

7.9

8.2

0.39

0.45

0.52

6.4

7.6

8.7

3.0

2.1

2.8

3.4

206

275

344

8.5

9.1

0.57

0.68

0.77

9.5

11.4

12.9

Note: All precipitation rates calculated for 180 degree operation.

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

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