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Befo re Returnin g to Refill t he Sprayer
If the sprayer is to be refilled at the farm, or at a fixed filling place without a filling space with hard surface and drain to a
closed reservoir, the spr ayer should be r insed before returning to re fill.
Dilute the residues of the spraying circuit, and spray it on the crop. Now rinse the sprayer on the outside with the External
Cle aning Device (optional equipment), be fore returning to the far m.
±
WARNING! Always follow local legislation in force at any time
Parki ng the sprayer
To avoid spot contamination, the sprayer should always be parked at either the washing/filling location or under roof.
This prevents rainfall from washing down chemical residues from the sprayer's surfaces.
• Parking at the washing/filling location will retain residues.
• Always park the machine out of reach of children, animals and unauthorized persons.
• Always follow local regulations when parking your sprayer.
Liqu id Fertilizer
S praying press ure
If you are spraying with liquid fer tilise r instead of pesticides, the spraying pressure must be increased in comparison to
pesticide spraying to get the desired output (l/ha).
The density for liquid fertiliser is nor mally higher than for water and spray liquids - so to get the correct output (l/ha), the
spraying pressure must be adjusted.
Example:
Nozzle output is 2.40 l/min at 3.0 bar pressure. Density of liquid fe rtiliser is 1.20 g/cm³.
Multiply the pressure value with the density value: 3.0 x 1.20 = 3.6.
The adjusted pressure is now 3.6 bar for spraying the liquid fer tiliser.
In the table below, adjusted pressure values can be found for different densities of liquid fertilisers.
Calibrat ed pressure (bar) when spraying with
pesticides
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
μ
ATTENTION! Pressure values be low 1.5 bar or above 5.0 bar are considered to be out of range for the nozzles.
÷
NOTE! Find the density for your liquid fer tilizer on the packaging or on the material safety data sheet (MSDS) included.
Addition al Information
See the other book delive red from HA RDI - Spray Technique - to get further information about:
• Calibration of the sprayer
Density (g/cm³) for liquid fertiliser
1.10
1.15
Adjusted pressure (bar) when spraying with liquid fertilizer
1.7
1.7
2.2
2.3
2.8
2.9
3.3
3.5
3.9
4.0
4.4
4.6
5.0
5.2
5.5
5.8
5 - Operation
1.20
1.30
1.8
2.0
2.4
2.6
3.0
3.3
3.6
3.9
4.2
4.6
4.8
5.2
5.4
5.9
6.0
6.5
1.40
2.1
2.8
3.5
4.2
4.9
5.6
6.3
7.0
129
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