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Operation; Calibration - Fimco BK-1 Owner's Manual

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NOTE: It is VERY important to test the sprayer, after attaching any boom with plain water before actual spraying is attempted. This
will enable you to familiarize yourself with the sprayer and check for leaks without possibility of losing any expensive chemicals.
Fill the tank about 1/2 full with plain water. When you are ready to spray, turn the boom valve to the "on" position. This will start
solution spraying from the tips of the boom. The pressure will decrease slightly when the boom is spraying. Adjust the pressure by
turning the "ON/OFF" valve lever on the bypass line valve. Make sure your pattern is sufficient. You may down-pressure the system
by 'bypassing' solution back into the tank. This is achieved by opening the bypass valve. Regulating pressure is done in this manner.
Read the operating instructions and initially begin spraying by closing the 'bypass' valve and opening the boom line valve. This will
enable the air in the line to be eliminated (purged) through all the tips, while building pressure. When everything tests all right (no
leaks and good pressure), add the desired chemicals to the mixture and water combination and start your spraying operation.
Conditions of weather and terrain must be considered when setting the sprayer. Do not spray on windy days. Protective clothing
must be worn in some cases
Be sure to read the chemical label(s) before application!
Fill the tank part way with water and then add the desired amount of chemical to be sprayed. Finish filling tank to proper level.
Only fill the tank with what you're going to spray in a day, never leave chemicals sit in tank.
When spraying with either the boom or the handgun, pressure may be reduced by slowly opening the bypass valve until desired
pressure is achieved. Opening the valve decreases pressure, closing the valve increases pressure. When spraying with the boom,
the proper method to set the pressure is to open the boom valve completely and if a lower pressure is desired, then slowly open
the bypass valve until that pressure is obtained.
For the safest and most efficient chemical application, you will need to calibrate your sprayer using the tip and speed charts. Once
you have determined the proper speed and pressure settings, you will need to consult your chemical label for the amount of chem-
ical to be added to the tank. Read the entire label. Use only according to label directions.
Chemical labels may show application rates in gallons per acre, gallons per 1000 square feet or gallons per 100 square feet. You will
note that the tip chart shows 3 of these rating systems. Once you know how much you are going to spray, then determine (from
the tip chart) the spraying pressure (PSI), and the spraying speed (MPH).
Determining the proper speed of the pulling vehicle can be done by marking off 100, 200 & 300 feet. The speed chart indicates the
number of seconds it takes to travel the distances. Set the throttle and with a running start, travel the distances. Adjust the throttle
until you travel the distances in the number of seconds indicated by the speed chart. Once you have reached the throttle setting
needed, mark the throttle location so you can stop and go again, returning to the same speed.
Add water and proper amount of chemical to the tank and drive to the starting place for spraying.
Tip Chart for TKT-VP3, TF-VP3 & 30DT3.0 (Gray) Tips
Pressure
Capacity
(psi)
(GPM)
10
.30
20
.42
30
.52
40
.60
10
.30
20
.42
30
.52
40
.60
10
.30
20
.42
30
.52
40
.60
1
2
3
4
5
MPH
MPH
MPH
MPH
MPH
44
22
14.9
11.1
8.9
63
31.5
20.9
15.7
12.6
76
38
26
19.3
15.4
90
45
30
22
17.8
1.01
.5
.34
.254
.204
1.4
.72
.48
.36
.29
1.74
.87
.596
.44
.35
2.06
1.00
.688
.50
.408
.10
.05
.034
.025
.02
.14
.072
.048
.036
.029
.174
.087
.059
.044
.035
.206
.10
.068
.05
.04
Testing the Sprayer

Operation

Calibration

7.5
10
MPH
MPH
5.9
4.5
8.4
6.3
10.3
7.7
11.8
8.9
.135
.103
.19
.14
.236
.176
.27
.20
.013
.01
.019
.014
.023
.017
.027
.02
Speed Chart
Time Required in seconds
to travel a distance of
Speed in M.P.H.
(Miles Per Hour)
100 Ft.
200 Ft.
1.0
68 sec.
2.0
34
3.0
23
4.0
17
5.0
14
6.0
11
7.0
9.7
8.0
8.5
9.0
7.6
10.0
6.8
300 Ft.
136
205
68
102
45
68
34
51
27
41
23
34
19
29
17
26
15
23
14
20
Page 3

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