T U B Es Co N N E Ct Io N - Etatron eOne MA Normas De Instalación, Uso Y Manutención

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)
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 extract the air, decreasing the number of pulses.
If it will be any difficult to prime the pump please use the follow procedure:
Press and hold the START/STOP button and after about 3 seconds will be activate the PRIMING function (
automatic priming ); this priming function will end after the button is released.
For pump head without bleed valve to prime, in some cases, it may be necessary to have no pressure in discharge
hose.
Fig.5 – Priming sequence
Fig.4 – Tubes connection
ENGLISH 27