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Fig.3 – Electrical scheme
Tubes connection
The discharge nipple will always be at the top side of the pump from where the tube goes to the plant to be treated. The
suction nipple will always be at the bottom side of the pump, where the tube will be mounted with the filter that goes to the tank of
the liquid to be dosed.
1.
Remove the seal from ring nut (2)
2.
Insert tube through ring nut (2) and
bush (3)
3.
Press the hose end (1) onto the
conic adapter of the nozzle (4)
4.
Place the nozzle (4) onto the nipple
(5)
5.
Tighten the ring nut (2) onto the
nipple (5)
Fig.4 – Tubes connection
To prime the pump: Connect the discharge tube and follow the sequence shown in Figure 5.
unscrew the drain knob, the pump has to be turned on;
keep open the bleed valve B until all the air, inside the tube and inside the pump head, is out;
close the drain knob.
In case of difficulty, use a syringe connect to the bleed nipple and exctract the air, decreasing the number of pulses.
