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NOTE: Replace worn tips that have a streaky or uneven pattern.
Seconds to
GPM
collect 1 qt
0.05
300
0.06
250
0.07
214
0.08
188
0.09
167
0.10
150
0.11
136
0.12
125
0.13
115
0.14
107
0.15
100
0.17
80
DETERMINING NOZZLE SIZE AND USING CALIBRATION
CHART
STANDARD / PRECISION BOOM
Tip
PSI
GPM
Size
one
nozzle
TF-
10
0.3
VP3
20
0.4
30
0.5
40
0.6
The spray nozzles on your sprayer are TF-VP3, which match up with
the calibration chart. Refer to the calibration chart. Using tractor speed,
nozzle size, and desired gallons per acre (GPA), find pressure (psi)
necessary to achieve your GPA.
NOTE: Lower pressure settings will result in less spray drift.
EXAMPLE:
Assume tractor speed is determined to be 4 mph, nozzles are gray
(TFVP3), and desired GPA is 20 GPA. The calibration charts show
that you should set sprayer's pressure at about 20 psi in order to
apply 20 GPA.
NOTE: Optimum spray performance is achieved between 20-25 psi.
When shutting off outer tips, use the regulator valve to adjust
your boom pressure accordingly.
SETTING UP SPRAYER FOR OPTIMAL COVERAGE
The spray tips should be 17" above the spray canopy to achieve
optimal spray coverage.
1. Park on a level surface.
2. Unfold boom arms.
3. If boom is not parallel to the ground adjust 3-point draft link as
needed.
4. Adjust height of 3-point so sprayer tips are 17" above the spray
canopy.
5. After adjusting height, ensure sprayer is level (front and back) with
ground. Adjust the 3-point top link as needed.
Seconds to
GPM
collect 1 qt
0.20
0.23
0.25
0.30
0.35
0.40
0.50
0.60
0.70
0.80
0.90
1.00
GPA
2 MPH
3 MPH
4 MPH
29.7
19.8
14.9
41.6
27.7
20.8
51.5
34.3
25.7
59.4
39.6
29.7
ADJUSTING THE SPRAYER PRESSURE
NOTE: All calibration needs to be done with clean water.
Once correct pressure setting has been determined, the sprayer
must be adjusted to that pressure setting. Before adjusting sprayer's
pressure, it is important to set tractor rpm at rate that was used to
75
determine tractor speed.
67
1. Loosen lock ring and adjust knob to desired pressure. Pressure is
60
displayed on gauge.
50
2. Once desired pressure is achieved, tighten lock ring.
3. Sprayer is now calibrated.
40
35
30
25
20
18
17
15
5 MPH
11.9
16.6
OPERATING THE SPRAYER
20.6
NOTE: Ensure pressure is set to desired pressure from calibration
23.8
process. If not, follow steps 1-3.
1. Loosen lock ring and adjust knob to desired pressure. Pressure is
displayed on gauge.
2. Once desired pressure is achieved. Tighten lock ring.
3. Turn Selector lever to desired position, spray nozzle or boom.
BOOM SECTION CONTROL
The Boom is divided into 3 sections of spray tips. Right, Center, and
Left. The Left and Right sections can be turned on and off by turning
the corresponding in-line valve on the boom.
12.5 FT BOOM SPRAY WIDTH
•
30 inches - Both Left and Right sections OFF.
•
90 inches - Either Left or Right section OFF.
•
150 inches - Both Left and Right sections ON.
6
Gauge
Selector Lever
Lock Ring
Adjustment Knob
30 in.
0.76 m
90 in.
2.3 m
150 in.
3.81 m
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