92
Code F07012287
USE AND MAINTENANCE
ENGLISH
Fig. 163
Fig. 164
Fig. 165
Fig. 166
Fig. 167
Fig. 168
4
6
3
1
2
5
7.6 PRODUCT STIRRING IN THE TANK
The machines are fitted with a high pressure stirring system,
(Venturi type stirrer) (1) and if fitted, one at low pressure as
well (perforated pipe) (2).
The Venturi system is supplied by the suitable cock and has
better performance upon increasing working pressure.
To stir the product in the tank:
• Turn the diverter (3) of the Deviokit (if present) in the
“WORK” position (4), to convey low pressure water to
the perforated pipe.
• Start the pump at about 540 rpm.
• Open the RED cock corresponding to the stirrers (5).
• Supply the stirrer with the maximum available pressure
for at least 10-15 minutes.
It is strictly required to keep the product stirred during
treatment in order to prevent inconsistent dosage.
To keep the product stirred during work:
• Keep all stirring systems open if the set working pres-
sure is correctly maintained either low, medium or
high.
• Limit the Venturi stirrers only if the product tends
generating foam.
• Limit or close stirring when working with little liquid in
the tank (to prevent incorporating air into the circuit).
• Using the last litres in the tank close completely stir-
ring of the perforated pipe moving the Deviokit lever
(3) (if present) in “WASHING” position (6) to correctly
and completely empty the last litres of mixture in the
main tank.
The perforated pipe, if present, is supplied by the Deviokit
in the tank, therefore it is always working when the water
flow is conveyed to the tank.
The active ingredient may be mixed using the appropri-
ate stirrers before and after treatment. Good mixing and
stirring is the basis of correct distribution on the crop. We
recommend useful accessories such as the pre-mixer for
powders and liquids.
Act as follows to mix the product in the tank:
1. 30 to 60 bar high pressure machines (Fig. 166): sup-
ply the stirrer (or ejector) with the maximum available
pressure for about 10-15 minutes.
2. Max 20 bar low pressure machines:
• With perforated rube on the discharge, start the pump
at about 540 RPM with the pressure regulator in dis-
charge for at least 10-15 minutes (Fig. 167).
• With stirrer on a delivery, start the pump feeding the
stirrer (or ejector) with the maximum available pres-
sure for at least 10-15 minutes (Fig. 168).
Some models with very small tanks are not fitted with
stirrers, the discharge of the pressure regulator must be
used: start the pump at about 540 RPM with the pressure
regulator in discharge position for at least 10-15 minutes
(Pic. 167).
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