Toro P2 Series Manuale utente

P2 Series Sprinkler

Operating Manual

Table of Contents

1. General - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1

1.1 Application- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1

2. Safety - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1

2.1 Use of symbols in these operating instructions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1

2.2 Proper use - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2

2.3 Clearly improper use - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2

2.4 Safety information -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --2

2.5 Dangers of failing to observe safety instructions - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2

3. Description - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3

4. Assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3

5. Commissioning - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4

5.1 Adjustment of Rotation Speed - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4

5.2 Setting Part Circle Arc -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --5

5.3 Full Circle Irrigation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5

5.4 Winterizing - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6

5.5 Putting into Service in Spring - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6

6. Maintenance -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --7

6.1 Lubricating the Jet Pipe Thread - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7

6.2 Cleaning the Filter for Control Water - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8

6.3 Cleaning Piston Drive and Piston Drive Area - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8

7. Malfunction and Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9

1. General

We presume that you are experienced in the eld of irrigation. We have therefore kept these instructions

brief and included only the information that it is imperative for you to have to use this product.

Any warranty claims can be accepted only if the sprinkler is used in accordance with these operating

instructions and if any defect emerges within the warranty period.

We reserve the right to make changes in line with technological advances, including without prior notice.

1.1. Application

e sprinkler is used to consistently and uniformly distribute irrigation. e water should be pre-ltered

to be free of coarse and brous impurities.

Maximum water temperature: 127˚F (50˚C)

Maximum ambient temperature: 167˚F (75˚C)

2. Safety

ese operating instructions contain some fundamental instructions that must be followed when

installing, operating, servicing and maintaining the sprinkler. It is therefore imperative that these

instructions are read by the tter and the relevant specialized sta / operators prior to installation and

commissioning.

Attention must be paid not just to the general safety information set out in this ‘Safety’ section, but also

to the special safety instructions included in the other sections.

2.1. Use of symbols in these operating instructions

Where failure to follow safety information can place individuals at risk, such information

is specically marked in these operating instructions with the general danger symbols:

Warning of potential danger

Warning of potential hand injuries

Warning of potential automatic start-up

In the case of safety information, where failure to follow it can damage the sprinkler and/or impair its

function, you will see the word: WARNING!

2.2 Proper use

e sprinkler is used for the even distribution of water onto lawns, green spaces and sports elds laid with

natural or articial grass. Other possible applications include, dust suppression, ambient temperature

control, and agricultural environments. e water should be ltered and free of any coarse or brous

contamination. e water and ambient temperatures must be below the limits specied in the technical

data.

2.3 Clearly improper use

• Operation of the pop-up sprinkler by unauthorized personnel (if the control unit is freely accessible).

• Operation of the sprinkler before the arc has been properly set, or when the arc has been altered

without authorization (e.g., as a result of vandalism). is can result in water being directed away

from the intended irrigation area.

2.4 Safety information

Read the operating instructions, especially the safety information, before starting any work on

or with the sprinkler.

e specic safety instructions appear at the start of each section.

2.5 Dangers of failing to observe safety instructions

Failure to observe safety instructions can result in personal injury, injury to bystanders, and possible

damage to the surrounding environment or the sprinkler. Failure to observe safety instructions can lead to

the loss of any rights to warranty claims.

3. Description

Recommended operating pressure: 72.5–101.5 PSI (5–7 bar)

Permissible operating pressure: 58–145 PSI (4–10 bar)

WARNING! e pressure at the sprinkler must not exceed 145 PSI (10 bar).

4. Assembly

• readed connection on the sprinkler is 3" NPT female thread.

• For sealing the thread, an appropriate sealing compound and/or material (e.g., PTFE tape). Please be

sure your sealing compound of choice is compatible with all materials at the point of connection.

• To screw on the sprinkler, always use an appropriately-sized pipe wrench.

• Tighten the sprinkler to around 22.13 pounds/foot (30Nm) of torque.

WARNING! Do not turn on the water source until the sprinkler has been conrmed to be properly t to the

supply pipe.

Sprinklers should be installed above head-height, respectively adopt any alternative safety measures.

Figure 1

Pipe Wrench

Install the connection socket as far as it will go so the sprinkler will not loosen during operation.

5. Commissioning

ere are no special measures necessary for commissioning.

See Section 5.2 for details concerning setting the sprinkler’s arc. e rotation speed of the sprinkler

should be set using the regulating screw (see Figure 2).

5.1 Adjustment of Rotation Speed (for agricultural applications)

Turning the regulating screw to the right will lower the rotation speed

Option:

If a “K” is stamped in the regulating screw, the sprinkler can be stopped completely by turning the

regulation screw all the way to the right.

By turning the regulating screw to the left, the rotation speed is increased.

WARNING!

In adjusting rotation speed, the use of clean water is required. In cases where dirty water is used,

the regulating screw has to be opened completely (turned to the left); otherwise, the sprinkler may fail to

rotate.

Figure 2

Regulating Screw

5.2 Setting Part Circle Arc

e arc is innitely adjustable by pulling (not pressing) the relevant end of the upper or lower spring stop

(see Figure 3).

Figure 3

Spring Stop

Adjust Here

5.3 Full circle irrigation

For full circle irrigation, the spring stops have to be removed.

WARNING!

Only pull the spring stops far enough to slide them easily out of the retaining groove. If the

springs are overstretched, they may fail to maintain their shape and be used for part circle operation, and a

new spring stop would need to be installed.

5.4 Winterizing

During the frost period please take care, that there is no standing water in the main body of the sprinkler.

Water in the piston drive unit does not cause damage in the event of freezing. When the sprinkler is

put into operation again, although there may be ice in the piston area, it should take approximately 15

minutes for the drive to thaw any ice.

5.5 Putting into Service in Spring

e sprinkling head of the piston drive sprinkler is due to the load alterations and the dierent installation

conditions (e.g. humidity) exposed to extreme tensions. Under these conditions the piston can get axial

play. In order to avoid interruptions of service, the piston cover should be checked and tightened before

being placed into service in spring season during its rst and second year of operation as described below.

e cover has to be tightened up with

the face spanner (Toro part number

ZB98236) to approximately 7.4

pounds/foot (10Nm).

Note: After the third and fourth

winter, you should not see any further

expansion.

Option:

Before tightening the piston drive

cover, the safety screw has to be

removed. After adjusting the cover, the

safety screw has to be installed again.

e safety screw prevents

unintentional loosening of the piston

drive cover.

If the safety screw can’t be

tightened, it may hitting a stiening

rib of the piston drive. In this case, the

gray cover has to be pulled tighter so

the safety screw passes the stiening

rib.

6. Maintenance

6.1 Lubricating the Jet Pipe Thread

When changing the main nozzle, the thread at the jet pipe and the O-ring seat should be cleaned and

lubricated properly. is will ensure that the nozzle can be easily removed in the future.

Stiening Ribs

Nozzle

O-ring

Jet Pipe

Outlet Nozzle

for Control Water

Figure 4

6.2 Clean lter for control water

e sprinkler is driven by a cylinder. e control water is pre-cleaned by a lter. e cleaning interval

should be dened based on the site’s water quality, hours of operation, and other environmental

considerations.

To clean the lter, the use of a sti bristled brush and clean water is recommended.

Figure 5

Filter for

Control Water

6.3 Clean piston drive and piston drive area

If the drive unit is malfunctioning due to accumulated debris, the piston drive must be removed and

cleaned.

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