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Removing
► Pry the strainer out of its seat – as shown.
12.5
Metering knob
2
► Rotate the metering knob (1) for infinitely vari‐
able discharge rate
Position 1 = minimum flow rate
Position 6 = maximum flow rate
The numbers on the metering knob must be lined
up with the lug (2) under the knob.
The "E" position on the ULV metering knob is
used for emptying the solution container. Do not
use this position for spraying – see "After Finish‐
ing Work".
12.6
Discharge rate
The discharge rate (l/min) depends on the meter‐
ing knob setting and the spray tube angle.
42
1
12.6.1
Discharge rate (l/min) without pressure
pump
Spray tube angle
Knob set‐
- 30° 0°
ting
1
0.12 0.11 0.07
2
0.16 0.14 0.11
3
1.70 1.50 1.25
4
2.48 2.34 1.90
5
3.20 2.66 2.34
6
3.73 3.28 2.83
12.6.2
Discharge rate (l/min) without pressure
pump, with ULV nozzle
Spray tube angle
Knob set‐
- 30° 0°
ting
0.5
0.05 0.04 0.04
0.65
0.08 0.08 0.07
0.8
0.13 0.12 0.10
12.7
Checking flow rate
► Place the unit on the ground.
► Fill the container with water up to 10 liter mark.
Machines without pressure pump
► Set the standard metering knob to 6.
► Start the machine.
► Hold the spray tube horizontally, run the
engine at full throttle, spray the contents of the
container down to the 5 liter mark and note the
time taken.
The time required to spray 5 liters fluid should be
between 110 and 150 seconds.
In case of deviations:
► Check the container, hose system, metering
knob and optional pressure pump for contami‐
nation and clean if necessary.
► Check blower air intake and clean if neces‐
sary.
► Check engine setting and correct if necessary.
If there is no improvement, contact your dealer
for assistance.
12 Metering Unit
+ 30
°
+ 30
°
0458-450-8721-C
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