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— ASSEMBLY INSTRUCTIONS
Tools required:
2 — 7/16" End Wrenches
1 — 9/16" End Wrench
1 — 1/2" End Wrench
1 — Pliers
1 — Thread Sealant
1 — Blade Screwdriver
— OPERATION
The pumping system draws solution from the tank, through
the strainer and to the pump. The pump forces the solution
under pressure to the boom nozzles and spray wand.
The pump has a pressure switch which will shut the pump
off when it reaches 60 PSI.
Pressure may be regulated by opening or closing the
valve located on the top of the tank. See "Valve Operation"
illustrated in this manual.
The nozzles on the boom will spray an 80 inch wide swath.
Check the nozzle spray pattern by spraying water on a con-
crete surface.
Regularly inspect the suction supply screen on the inside
of the tank. Flush with water to clear any accumulated debris.
— TIP CHART
GALLONS PER ACRE - BASED ON WATER
Tip
Spray
Pressure Capacity
No. Height
(PSI)
(GPM)
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH
10.0
0.30
44.0
22.0
14.9
11.1
08.9
20.0
0.42
63.0
31.5
20.9
15.7
12.6
3
18"
30.0
0.52
76.0
38.0
26.0
19.3
15.4
40.0
0.60
90.0
45.0
30.0
22.0
17.8
Tip
Spray
Pressure Capacity
GALLONS PER 1000 SQ. FT. - BASED ON WATER
No. Height
(PSI)
(GPM)
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH
10.0
0.30
1.01
0.50
.340
.254
.204
20.0
0.42
1.40
0.72
.480
.360
.290
3
18"
30.0
0.52
1.74
0.87
.596
.440
.350
40.0
0.60
2.06
1.00
.688
.500
.408
Tip
Spray
Pressure Capacity
GALLONS PER 100 SQ. FT. - BASED ON WATER
No. Height
(PSI)
(GPM)
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH
10.0
0.30
.100
.050
.034
.025
.020
20.0
0.42
.140
.072
.048
.036
.029
3
18"
30.0
0.52
.174
.087
.059
.044
.035
40.0
0.60
.206
.100
.068
.050
.040
— SPEED CHART
Speed in MPH
Time Required in Seconds to Travel a distance of:
(Miles Per Hour)
100 ft.
200 ft.
1.0
68.0
136
2.0
34.0
68
3.0
23.0
45
4.0
17.0
34
5.0
14.0
27
6.0
11.0
23
7.0
9.7
19
8.0
8.5
17
9.0
7.6
15
10.0
6.8
14
CHAPIN INTERNATIONAL, INC. P.O. BOX 549 700 ELLICOTT ST. BATAVIA, NY 14021-0549 www.chapinmfg.com 800-950-4458
— CALIBRATION
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 all three of these
rating systems.
Once you know how much you are going to spray then de-
termine (from the tip chart) the spraying pressure (PSI), and
the spraying speed (MPH).
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 carefully.
Determining the proper speed of the tractor can be done by
marking off 100, 200 and 300 feet. The speed chart indi-
cates 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 num-
ber of seconds indicated by the speed chart. Once you have
reached the throttle setting needed, mark the throttle loca-
tion so you can stop and go again (returning to the same
speed).
Add water and proper amount of chemical to tank and drive
to the starting place for spraying.
When you are ready to spray, turn the boom valve to the
"on" position. This will start solution spraying from the tips
once the pump is turned on. The pressure will decrease
slightly when the boom is spraying.
— AFTER SPRAYING
After use, fill the sprayer part way with water. Start the
sprayer and allow clear water to be pumped through the
plumbing system and out through the spray nozzles.
05.9
4.50
08.4
6.30
10.3
7.70
Remove tips and screens from the boom. Wash tips
11.8
8.90
thoroughly with water or cleaning solution (appropriate for
chemical used). Blow out orifice, clean and dry. If orifice
remains clogged clean it with a fine bristle (not wire) brush,
or with a tooth pick. Do not damage the orifice. Water
.135
.103
rinse and dry tips before storing.
.190
.140
.236
.176
.270
.200
Store sprayer tank upside down, in a warm dry location.
— WINTER STORAGE
.013
.010
.019
.014
.0236
.017
Drain all water and chemical out of sprayer, paying special
.027
.020
attention to pump and valves. These items are especially
prone to damage from chemicals and freezing weather.
The sprayer should be winterized before storage by pump-
ing
a
solution
of
RV
antifreeze
entire plumbing. Proper care and maintenance will prolong
300 ft.
the life of the sprayer.
205
102
68
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41
34
29
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through
the
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