Agri Fab Lawn Mower Accessory 45 02921 User Manual

OWNERS  
MANUAL  
Model No.  
45-02921  
15 GALLON "PRO"  
TOW SPRAYER  
CAUTION:  
Read Rules for  
Safe Operation  
and Instructions  
Carefully  
Assembly  
Operation  
Maintenance  
Repair Parts  
the fastest way to purchase parts www.speedepart.com  
PRINTED IN USA  
FORM NO. 48301 (REV. 4/04)  
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SHOWN FULL SIZE  
F
G
E
A
B
C
D
I
H
J
K
NOT SHOWN FULL SIZE  
P
O
Q
X
40  
60  
M
L
N
20  
80  
100  
0
T
S
R
U
W
V
HARDWARE PACKAGE - FULL SIZE  
KEY QTY.  
DESCRIPTION  
KEY QTY.  
DESCRIPTION  
Knob  
Spray Gun Clip, Small  
Spray Gun Clip, Large  
Pressure Gauge  
Spacer  
Hose Clamp, 1/4"  
Gasket, 3/4" Garden Hose  
Drain Body  
A
B
C
D2  
E
F
8
2
2
Hex Bolt, 5/16" x 2"  
Hex Bolt, 5/16" x 1-1/4"  
Carriage Bolt, 5/16" x 1-1/4"  
M
N
O
P
2
1
1
1
2
1
1
1
1
1
1
1
Screw,  
#10  
x
1/2"  
10  
2
Hex Nut, 5/16"  
Q
R
S
Flat Washer, 5/16"  
Flat Washer, 1/2"  
Lock Washer, #10  
Washer, 5/16" Tooth Lock  
Hitch Pin  
G
H
I
6
2
2
T
U
V
Nylon Cap  
O-Ring  
Nylon Washer, 11/16"  
Nylon Nut  
J
1
K
L
1
2
Hair Cotter Pin  
Hub Cap  
W
X
3
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4. Assemble a hitch arm to the inside of a frame tube  
underneath the tank. Use two 5/16" x 2" hex bolts and  
5/16" hex nuts as shown in figure 2. Do not tighten  
yet. Repeat for other side.  
ASSEMBLY INSTRUCTIONS  
TOOLS REQUIRED FOR ASSEMBLY  
(2) 1/2" Wrenches  
(1) Screwdriver  
(1) Pliers  
(1) Hammer  
1. Remove all items from carton and lay out as shown  
on pages 2 and 3.  
2. Assemble the axle through the large holes in the  
frame tubes. If the axle will not fit, slightly loosen the  
bolts in the frame tubes to align the holes. Retighten  
the bolts after assembling axle. See figure 1.  
5/16" HEX NUT  
5/16" x 2"  
HEX BOLT  
HITCH ARM  
3. Assemble a 1/2" flat washer, a spacer, a second 1/2"  
flat washer, a wheel (valve stem facing out) and a  
third 1/2" flat washer onto the axle. Lightly tap a hub  
cap onto the end of the axle. Repeat on other end of  
axle. See figure 1.  
FIGURE 2  
1/2" FLAT  
WASHER  
5. Fasten the ends of the hitch arms together using two  
5/16" x 1-1/4" hex bolts and 5/16" hex nuts. Do not  
tighten yet. See figure 3.  
6. Assemble the hitch brackets to the hitch arms using  
two 5/16" x 2" hex bolts and 5/16" hex nuts. Position  
each bolt behind one of the cross bolts in the hitch  
arms. Do not tighten yet. See figure 3.  
SPACER  
HUB CAP  
FIGURE 1  
5/16" x 2"  
5/16" HEX NUT  
HEX BOLT  
5/16" x 1-1/4"  
HEX BOLT  
5/16" HEX NUT  
FIGURE 3  
4
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7. At this time tighten all bolts starting with the bolts in  
10. Assemble the boom bars to the boom mount bracket  
using two 5/16" x 1-1/4" carriage bolts, tooth lock  
washers (between the bar and bracket), 5/16" flat  
washers and knobs. The boom connecting hose  
should extend upward. See figure 6.  
figure 2, then the bolts in figure 3.  
8. Install the drain in the rear of the tank as shown in  
figure 4. Place a 3/4" garden hose gasket onto the  
drain body and insert the drain body out through the  
hole in rear of the tank. Outside the tank, assemble  
the nylon washer, then the nylon nut onto the drain  
body. Tighten the nut securely enough to prevent  
leaking, being careful not to damage the plastic  
parts. Place the O-ring inside the nylon cap and  
screw the cap onto the end of the drain body. See  
figure 4.  
NOTE: Make sure the nozzle openings face straight  
down when the boom bars are in the horizontal  
operating position.  
BOOM CONNECTING HOSE  
5/16" WASHER  
WASHER  
(TOOTH LOCK)  
KNOB  
NYLON  
WASHER  
NYLON NUT  
O-RING  
BOOM BAR  
NYLON CAP  
CARRIAGE BOLT  
5/16" x 1-1/4"  
HOSE  
GASKET  
FIGURE 6  
DRAIN BODY  
FIGURE 4  
9. Assemble the boom mount bracket to the rear of the  
hitch tubes using two 5/16" x 2" hex bolts and 5/16"  
hex nuts. See figure 5.  
11. Assemble the large and small spray gun clips to the  
side of the tank using two #10 x 1/2" screws and #10  
lock washers. See figure 7.  
BOOM MOUNT  
BRACKET  
5/16" HEX NUT  
#10 x 1/2"  
SCREW  
5/16" x 2"  
SPRAY GUN  
HEX BOLT  
#10 LOCK  
WASHER  
CLIP (LARGE)  
SPRAY GUN  
CLIP (SMALL)  
FIGURE 7  
VIEWED FROM REAR  
FIGURE 5  
5
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12. Insert a garden hose gasket into the swivel nut on  
the bypass/return hose. Screw the nut onto the  
upper outlet of the "Y" valve fitting. Place the other  
end of the hose down through the hole at the rear  
of the tank. See figure 8.  
16. Attach the sprayer to the tractor hitch and connect the  
wiring to the tractor battery. The red wire must be  
connected to the positive post on the battery or to the  
"HOT" connection on a tractor switch or ammeter. The  
brown wire may be grounded or connected to the  
negative battery post. See figures 9 and 10.  
13. Insert a garden hose gasket into the swivel nut on  
the boom connecting hose. Screw the nut onto the  
lower outlet of the "Y" valve fitting. See figure 8.  
IMPORTANT: This sprayer should be connected to 12  
volt batteries only!  
14. Slide the 1/4" hose clamp onto the spray gun  
hose. Push the hose onto the hose adapter on the  
side of the "T" fitting as shown in figure 8. Tighten  
the clamp around the hose and the adapter. Wrap  
the hose around the tank and snap the spray gun  
into the clips on the side of the tank.  
PUMP SWITCH  
RED  
QUICK COUPLER  
RED  
+
BATTERY  
BROWN  
BROWN  
15. Carefully screw the pressure gauge into the top of  
the "T" fitting. See figure 8.  
FIGURE 9  
NEVER ALLOW NEGATIVE PIN ON  
PLUG TO COME IN CONTACT WITH  
POSITIVE "HOT" POST ON BATTERY.  
FIRE OR EXPLOSION MAY RESULT!  
BYPASS/RETURN HOSE  
SPRAY  
GUN  
1/4" HOSE  
HOSE  
CLAMP  
POSITIVE  
GARDEN  
HOSE  
GASKET  
PLUG  
+
"HOT"  
POST  
NEGATIVE  
POST  
PRESSURE  
GAUGE  
NEGATIVE PIN  
FIGURE 10  
BOOM CONNECTING HOSE  
FIGURE 8  
12 VOLT TRACTOR BATTERY  
6
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USING THE SPRAYER  
OPERATION  
1. Determine the application rate (gallons per 1,000  
sq. feet or gallons per acre) based on the chemical  
manufacturers recommendations. Use this rate to  
help select the pressure setting and tractor speed  
in the following instructions.  
BEFORE STARTING  
It is important to test the boom and spray gun with  
plain water before using chemicals. This will enable  
you to check the sprayer for leaks and to set the spray  
pattern and nozzle pressure. If a leak should occur,  
thread tape may be used to better seal the fitting.  
2. Determine the approximate square footage of the  
area to be sprayed and estimate the number of  
gallons required. This can help avoid unneeded  
solution left in the tank.  
PUMP PRESSURE SWITCH  
3. Determine the appropriate speed at which to travel,  
based on the chosen pressure setting and the  
recommended application rate. Use the tip chart  
on page 9.  
The pump is equipped with a pressure switch. The  
pressure switch senses outlet pressure of the pump  
and will turn off the electrical power to the pump at a  
predetermined high pressure point (60 PSI). If the  
flow demand is very low, the pump may reach this high  
pressure point and the switch will cause "cycling" (the  
pump cycles on and off rapidly). This is not a problem  
unless the pump is subject to continuous cycling  
within one second intervals for long periods of time.  
4. To determine the throttle setting for attaining the  
appropriate speed, mark off 100, 200 and 300 feet  
intervals. The speed chart at the bottom of page 9  
indicates the number of seconds it takes to travel  
these distances. Set the throttle and, with a run-  
ning start, travel the distances in the number of  
seconds indicated by the speed chart. Once you  
have determined the throttle and gear settings  
needed, mark the throttle location so that you can  
easily resume the same speed after stopping.  
ADJUSTING OPERATING PRESSURE  
The sprayer is equipped with a "Y" fitting containing a  
bypass valve and a boom valve. The bypass valve  
controls the flow to the return (bypass) hose. The  
amount of flow through the return hose determines the  
operating pressure when the boom or the spray gun is  
in use. Adjust the bypass valve while either the boom  
or the spray gun is in use to obtain the desired  
pressure, indicated by the pressure gauge. The tip  
chart on page 9 shows how different pressure settings  
affect boom application rates.  
6. Set the operating pressure. Spray with plain water  
to help determine the best setting. For best results  
stay in the 20 to 30 PSI range. (At 10 PSI the spray  
pattern begins to break up, at 40 PSI some drift  
develops.) Refer to the tip chart on page 9.  
7. Add the chemical solution to the tank, following  
the product instructions.  
ON-OFF ADJUSTMENT OF BOOM NOZZLES  
8. Drive to the starting place for spraying. Set the  
boom in position for spraying. Set the throttle at  
the position determined in step 4. Reach back and  
flip the pump/motor switch "ON" to start spraying.  
The boom valve on the "Y" fitting controls flow to the  
boom nozzles. It should be either completely open or  
completely closed. The boom operating pressure can  
be controlled using the bypass valve on the "Y" fitting.  
9. Stay clear of flowers, shrubs and evergreen trees  
when spraying weed control solutions to prevent  
contact of the solution with these sensitive plants.  
ADJUSTING SPRAY GUN NOZZLE  
Turn the nozzle on the spray gun to adjust the spray  
from a cone shaped fine mist to a straight stream.  
Control the spray gun operating pressure with the  
bypass valve on the "Y" fitting. Maximum spray gun  
pressure can be attained when the boom is shut off.  
CAUTION: WEAR EYE PROTECTION,  
GLOVES AND PROTECTIVE CLOTH-  
ING WHEN HANDLING AND WORKING  
WITH LAWN CHEMICALS.  
SETTING THE BOOM FOR SPRAYING  
The correct positioning of the boom places the nozzles  
approximately 40" apart and 14" above the ground.  
This gives a spray width of approximately 80" with a  
slight center overlap. See figure 11.  
40"  
a. Slide the boom bars out to the ends of the  
slots.  
b. Swivel the boom bars until the nozzles are  
approximately 14" above the ground.  
c. Make sure the nozzles are adjusted so that the  
openings point straight down.  
14"  
80"  
FIGURE 11  
7
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MAINTENANCE  
1. Do not store sprayer with any solution left in tank.  
2. Periodically clean the strainer in the end of the  
intake hose at the bottom of the tank. Remove the  
nylon swivel nut from the hose, pull out the screen  
and flush it with clear water.  
3. Periodically clean the strainers in the boom  
nozzles. Remove the nozzle, pull out the screen  
and flush it with clear water.  
AFTER EACH USE  
4. 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  
boom assembly and the handgun. Use the hand-  
gun to thoroughly wash all internal parts of the  
tank, the outside of the tank and the boom.  
5. Refill the tank about half full with plain water and  
a chemical neutralizer and repeat the cleaning  
instructions above. Flush the entire sprayer with  
the neutralizing agent. Follow the chemical manu-  
facturers instructions for disposal of all wash or  
rinsing water.  
ATTENTION!  
Do not allow chemicals to sit in pump for  
extended times of idleness. Some chemicals  
will damage the pump valve if allowed to soak  
untreated for a length of time. Always flush  
the pump with water after each use. Follow  
the procedures in the AFTER EACH USE  
instructions for flushing and disposal.  
WINTER STORAGE  
6. Drain all water out of the sprayer, paying special  
attention to the pump and handgun. These items  
are especially prone to damage from chemicals  
and freezing weather.  
7. The sprayer should be winterized before storage  
by pumping a 50-50 solution of water and R. V.  
antifreeze through the entire plumbing. Proper  
care and maintenance will prolong the life of the  
sprayer.  
8
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U.S. GALLON TIP CHART  
Tip Spray  
No. Height  
Inches  
Pressure  
PSI  
Tip Capacity  
US Gallons  
Per Minute  
GALLONS PER ACRE (BASED ON WATER)  
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH  
10  
20  
30  
.30  
.42  
.52  
44.2  
63  
76.8  
22.1  
31.5  
38.4  
14.8  
20.9  
25.8  
11.1  
15.7  
19.3  
8.9  
12.6  
15.4  
5.9  
8.4  
10.3  
4.4  
6.3  
7.7  
#3  
13"  
Tip Spray  
No. Height  
Inches  
Pressure  
PSI  
Tip Capacity  
US Gallons  
Per Minute  
GALLONS PER 1000 SQ. FT. (BASED ON WATER)  
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH  
10  
20  
30  
.30  
.42  
.52  
1.0  
1.4  
1.8  
0.50  
0.72  
0.88  
0.34  
0.48  
0.59  
0.26  
0.35  
0.44  
0.20  
0.29  
0.35  
0.14  
0.19  
0.24  
0.10  
0.14  
0.18  
#3  
13"  
IMPERIAL GALLON (LITER) TIP CHART  
Tip Spray  
No. Height  
Inches  
Pressure  
PSI  
(Bar)  
Tip Capacity  
Imperial Gallons  
per minute  
IMPERIAL GALLONS (Liters) PER ACRE (BASED ON WATER)  
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH  
(mm)  
(liters per minute) 1.6 K/H 3.2 K/H 4.8 K/H 6.4 K/H 8 K/H  
12 K/H 16 K/H  
10  
(0.7)  
20  
.25  
(1.135)  
.35  
36.8  
(167.3) (83.6)  
52.5 26.2  
18.4  
12.3  
(56.0)  
17.4  
9.2  
(42.0)  
13.1  
7.4  
(33.7)  
10.5  
4.9  
(22.3)  
7.0  
3.7  
(16.7)  
5.2  
#3  
13"  
(330 mm)  
(1.4)  
30  
(2.1)  
(1.59)  
.433  
(1.97)  
(238.5) (119.2) (79.1)  
64.0 32.0 21.5  
(290.7) (145.3) (97.7)  
(59.4)  
16.1  
(73.1)  
(47.7)  
12.8  
(58.3)  
(31.8)  
8.6  
(39.0)  
(23.8)  
6.4  
(29.1)  
IMPERIAL GALLONS (Liters) PER 1000 SQ. FT. (BASED ON WATER)  
Tip Spray  
No. Height  
Inches  
Pressure  
PSI  
(Bar)  
Tip Capacity  
Imperial Gallons  
per minute  
1 MPH 2 MPH 3 MPH 4 MPH 5 MPH 7.5 MPH 10 MPH  
(mm)  
(liters per minute) 1.6 K/H 3.2 K/H 4.8 K/H 6.4 K/H 8 K/H 12 K/H 16 K/H  
10  
(0.7)  
20  
.25  
(1.135)  
.35  
0.85  
(3.85)  
1.21  
0.42  
(1.92)  
0.60  
0.28  
(1.29)  
0.40  
0.21  
(0.97)  
0.30  
0.17  
(0.77)  
0.24  
0.11  
(0.51)  
0.16  
0.08  
(0.38)  
0.12  
#3  
13"  
(330 mm)  
(1.4)  
30  
(1.59)  
.433  
(5.48)  
1.47  
(2.74)  
0.74  
(1.82)  
0.49  
(1.37)  
0.37  
(1.10)  
0.29  
(0.73)  
0.20  
(0.55)  
0.15  
(2.1)  
(1.97)  
(6.68)  
(3.34)  
(2.24)  
(1.68)  
(1.34)  
(0.90)  
(0.67)  
GROUND SPEED CHART  
M.P.H. (K/H)  
Time Required in Seconds to  
Travel a Distance of:  
100 ft (30.5 M) 200 ft (61 M) 300 ft (91.5 M)  
1.0  
2.0  
3.0  
4.0  
5.0  
6.0  
7.0  
8.0  
9.0  
(1.6)  
(3.2)  
(4.8)  
(6.4)  
(8.0)  
(9.7)  
(11.3)  
(12.9)  
(14.5)  
68  
34  
23  
17  
14  
136  
68  
45  
34  
27  
23  
19  
17  
15  
14  
205  
102  
68  
51  
41  
34  
29  
26  
23  
11  
9.7  
8.5  
7.6  
6.8  
10.0 (16.1)  
20  
9
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REPAIR PARTS FOR 15 GALLON SPRAYER MODEL 45-02921  
41  
39  
40  
32  
27  
7
61  
42  
36  
27  
28  
36  
27  
38  
32  
B
27  
32  
27  
43  
64  
57  
41  
39  
40  
25  
66  
37  
A
C
67  
8
42  
27  
65  
60  
43  
9
10  
59  
6
24  
23  
46  
61  
61  
26  
2
B
7
47  
21  
A
22  
35  
13  
14  
11  
20  
12  
18  
4
21  
3
1
15  
71  
69  
72  
70  
19  
63  
54  
5
7
34  
56  
61  
53  
54  
56  
68  
C
44  
55  
48  
62  
29  
44  
52  
31  
66  
33  
34  
50  
50  
30  
29  
50  
66  
44  
58  
31  
45  
51  
66  
49  
10  
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REPAIR PARTS LIST FOR 15 GALLON SPRAYER MODEL 45-02921  
REF. PART  
QTY.  
DESCRIPTION  
REF. PART QTY.  
DESCRIPTION  
NO.  
NO.  
NO.  
NO.  
40  
41  
42  
45029  
45037  
47396  
2
2
2
2
8
2
1
1
4
1
6
2
1
1
2
4
2
2
2
1
1
4
4
1
2
2
10  
2
1
1
1
1
1
1
Strainer, Screen Type  
Nut, Screen Body  
Elbow, Plastic 11/16" Thd.  
Nylon Tie  
Bolt, Hex 5/16-18 x 2"  
Bolt, Hex 5/16-18 x 1-1/4  
Clamp, 1/4" Hose  
Adapter, 1/2" NPT x 1/4" Barb  
Lock Washer, 5/16"  
Pin, Hair Cotter #4 (1/8")  
Washer, 17/32" x 1"  
Hub Cap (1/2" Push Nut)  
Hitch Pin  
1
2
3
4
5
6
7
8
9
47752  
45015  
46278  
45021  
45024  
45031  
45032  
45033  
45069  
43910  
45084  
45082  
45080  
45048  
45087  
45085  
45086  
23889  
46276  
46277  
45025  
45018  
45049  
45050  
47406  
47393  
45026  
45034  
48296  
24860  
23014  
47392  
24584  
46503  
46700  
24122  
24585  
47394  
45028  
1
1
1
1
1
1
3
1
4
4
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
6
1
2
2
2
3
1
2
1
2
1
1
2
Tank (15 Gal.)  
Pump and Motor  
Hose, 1/2" ID (24" Lg.)  
Hose, 1/2" ID (20" Lg)  
Strainer, Cap Type 1"  
Adapter, 1/2" NPT x Hose  
Nut, Swivel 3/4" Garden Hose  
Hose Barb, 1/2"  
Screw, Ph. Pan Hd. 10-24 x 1" Lg.  
Washer, Flat #10 SAE  
Switch, On - Off  
Boot, Rubber Switch  
Plate, On - Off Switch  
Nut, Hex 15/32-32 Thd.  
Bushing, Strain Relief  
Terminal,.25MaleTab(notshown)  
Terminal,.25FemaleTab(notshown)  
Bracket, Switch Mounting  
Adapter, 3/4" GH x 1/2" Barb  
Elbow, 3/8 NPT x 1/2" Barb  
Clamp, 1/2" Hose  
Connector with Wire  
Nipple, (Nylon) 1/2" x 3/8" Red.  
Tee, 1/2" x 1/2" x 1/2" (1/4" Port)  
Spray Gun  
Hose, 1/4" ID (12' 6" Lg)  
Clamp, 3/8" Hose  
Hose Barb, 3/8"  
Frame Tube  
Hitch Arm  
Hitch Bracket  
43 726-0178  
44  
45  
46  
47  
48  
49  
44180  
43840  
47405  
47390  
43086  
43343  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
50 R19171616  
51  
52  
53  
44663  
47623  
45180  
Hose Clip, Small  
Lock Washer, #10  
Washer, Bowed  
54 736-0722  
55  
56  
57  
58  
59  
60  
61  
62  
63  
44695  
45040  
43081  
46578  
45017  
45071  
45072  
43085  
47397  
Screw, Phillips Hd. #10-24 x 1/2"  
Washer, 5/16" Std. Wrt.  
Spacer  
Hose "Y" W / Valves 3/4"  
Gauge, Pressure 2" 100 PSI  
Gasket, 3/4" Garden Hose  
Bolt, Hex 5/16-18 x 1-1/2"  
Hose Clip (Large)  
64 712-0421  
Knob  
65  
66  
67  
68  
69  
70  
71  
72  
43682  
46980  
44732  
47399  
47398  
47402  
47206  
47403  
48301  
Bolt, Carriage 5/16-18 x 1-1/4"  
Nut, Hex 5/16" (SEMS)  
Washer, Tooth Lock 5/16"  
Drain Body  
Washer, Nylon  
Nut, Nylon 11/16" Thd.  
O-Ring, 5/8" OD  
Hose, 3/8" ID (20" Lg.)  
Axle, 1/2"  
Wheel  
Lid  
Boom Bar  
Bracket, Boom Mount  
Tee, Plastic 3/8" Hose  
Nozzle, SS Floodjet  
Cap, Nylon 11/16" Thd.  
Owners Manual  
the fastest way to purchase parts www.speedepart.com  
11  
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the fastest way to purchase parts www.speedepart.com  
REPAIR PARTS  
Agri-Fab, Inc.  
303 West Raymond  
Sullivan, IL. 61951  
217-728-8388  
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