ARAG NIAGARA 20 lt, Installation, Use And Maintenance Manual

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12
WARNING!
After flushing the container, CLOSE THE LID BY TURNING UNTIL IT LOCKS.
- Lift the yellow lever C again (Fig. 5) to pour the necessary amount of water for a correct premixing.
- Lower the
yellow lever C
(Fig. 5).
5.2 Feeding the tank with premixed product
Open the ball valve on the lower Mixer area (Fig. 4): by doing so, the Mixer internal area is connected to the main tank loading circuit.
6 MAINTENANCE / TROUBLESHOOTING / REPAIR
Check all valve gaskets and seals at regular intervals to avoid accidental tank filling while operating the Mixer.
Check the two inner nozzles for proper operation at regular intervals.
6.1 Problems and remedies
PROBLEM CAUSE REMEDY
Mixer empties slowly Low Venturi nozzle flowrate
• Replace nozzle with another one having
a suitable flowrate.
• Check for nozzle clogging.
Water into the Mixer when all levers are
in closed position One or more manual valves ( A , B or C,
Fig. 5
) leaking.
• Check and clean or replace valve
gaskets and seals as needed.
Operating either lever
A
,
B
or
C (Fig. 5)
difficulty in water inlet through internal
nozzle is found Internal nozzle clogging
• Clean or replace the internal nozzle, if
necessary.
6.2 Cleaning instructions
- Only clean with a soft and damp cloth.
- DO NOT use detergents or aggressive products.
7 TECHNICAL DATA
Description NIAGARA 20 lt NIAGARA 30 lt
Capacity 20 l 30 l
Maximum operating pressure 8 bar 8 bar
Minimum mixing pressure with
liquid products
2 bar 2 bar
Minimum mixing pressure with
powder products
2 bar 2 bar
Minimum mixing pressure with
granular products
4 bar 4 bar
Maximum overall dimensions
(closed cover) l x h x p
487 x 611 x 461 mm 565 x 618 x 541 mm
Maximum overall dimensions
(open cover) l x h x p
487 x 970 x 461 mm 565 x 950 x 541 mm
Weight 9,5 kg 11 kg
8 END OF LIFE DISPOSAL
Dispose of in compliance with current local laws.
Fig. 7
Tab. 3
Once Mixer draining has been checked, close the lid and continue with the next step:
Lift all the three levers (A, B and C, Fig. 5): by doing so, all the nozzles will be started
to flush the internal walls
.
The operation shall have a duration of about 30 seconds.
Now stop any water flow inside the Mixer by lowering
all the three levers (A, B and C, Fig. 5).
Wait for the Mixer to completely drain, then close the two-way ball valve on the lower mixer
area by rotating the knob counter- clockwise (Fig. 7).
The procedure is finished.