SHINDAIWA OWNER’S/OPERATOR’S MANUAL
SP300 BACK PACK SPRAYER
WARNING!
Minimize the risk of injury to yourself
and others! Read this manual and
familiarize yourself with the con-
tents. Always wear eye protection,
gloves and a respirator when operat-
ing this unit.
®
Part Number 80709 Rev. 6/02
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Assembling the Spray Wand
Screw Cap
Wand
Trigger
Valve
Push the wand into the trigger valve and secure with screw
cap. Hand tighten to prevent leakage.
CAUTION!
Do not overtighten!
Adjusting the Shoulder Straps
Buckle
Tightening
1. Place the sprayer on
your back with the
straps loosened.
Adjustment
2. Hold the adjustment
ring firmly and pull
until backpack is
Ring
secure in place.
Loosening
Lift up on the buckle to release tension.
IMPORTANT!
After assembling the sprayer, fill the tank with clear water and
lay it on its side. Check for leaks. Return sprayer to its upright
position. Pump the lever 10-15 times and check for leaks.
Most leaks can be stopped by tightening the appropriate con-
nection or fitting. Any leaks must be stopped prior to filling the
sprayer with chemicals.
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Safety Precautions
Calibrating the Sprayer
(Requires optional flow calibrator bottle, P/N 646901)
Carefully read the labels on chemical contain-
ers prior to use. Chemicals are classified in four
categories of toxicity:
1. Hold the wand at
the working
height and spray
a test pattern to
measure the
Category I, High Toxicity, Red label
Category II, Moderate Toxicity, Yellow label
Category III, Low Toxicity, Blue label
Category IV, Light Toxicity, Green label
application band width.
2. Based on the band width,
identify from the table below
the walking distance required
to calibrate the sprayer.
Band
Width
There are unique handling recommendations
for each category, and you should familiarize
yourself with them.
Always wear clothing and safety equipment that
will provide appropriate protection against the
materials you are handling. Equipment may
include, but not be limited to:
Band width
1.6 ft
0.5m
2.3 ft
0.7m
3.3 ft
1.0m
4.0 ft
1.2m
5.0 ft
1.5m
Distance to walk
165 ft 120 ft
80 ft
70 ft
55 ft
Long sleeve shirt
Impermeable apron or coverall
Impermeable gloves and boots
Wide-brim hat
3. Attach the flow calibrator bottle to the wand:
a. Remove the nozzle, cap and filter from the spray wand.
Protective mask equipped with
b. Mount the flow calibrator cover
to the spray wand.
appropriate filters
c. Reinstall the nozzle, filter and
nozzle cap.
Do not eat, drink, or smoke while handling
chemicals or while you are spraying. Always
handle chemicals in a well ventilated area
while wearing appropriate protective cloth-
ing and safety equipment. DO NOT STORE
OR TRANSPORT CHEMICALS WITH FOOD
OR MEDICINES, AND NEVER REUSE A
CHEMICAL CONTAINER FOR ANY OTHER
PURPOSE.
d. Screw the flow calibrator bottle
into the cover.
4. Using the flow calibrator bottle:
a. Operate the pump lever to main-
tain spray system pressure when
using the flow calibrator bottle.
b. Hold the wand at your normal
working position and spray into
the bottle while walking the distance identified in step 2
above.
Keep chemicals out of the reach of children,
animals, or other unauthorized people. When
not in use, store chemicals in a safe place. Never
blow through nozzles, valve, pipes or any other
component by mouth!
c. Place the bottle on a level surface and observe the liquid
level visible through the side of the bottle. Match the liquid
level to the l/acre (liter per acre) scale on the calibration
bottle.
When handling chemicals and when spraying,
make sure you are operating in accordance with
local, state, and federal environmental protection
rules and guidelines. Do not spray in very hot
or windy conditions. DO NOT POLLUTE THE
ENVIRONMENT!
AIR
d. Multiply the l/acre (liter per acre) reading identified in
step 4-c by .264 to determine your application coverage rate
in gallons per acre.
WATER
EARTH
e. Empty the bottle contents back into the sprayer tank.
NOTE:
For improved accuracy in calibrating your application coverage,
repeat steps 4-a through 4-e and average the results.
After spray application, take a thoroughly
cleansing shower using plenty of water and
soap, then change into clean clothes. Protective
clothing and safety gear should also be cleaned
after each use. IN CASE OF EXPOSURE TO
DANGEROUS CHEMICALS, seek a physician
immediately and be prepared to provide the
label from the chemical container.
Typical Nozzle Assemblies
Tip
Filter
Filter
Swirl Core
Tip
Disc
Cap
Cap
The spraying angle is
changed by turning
the tip
Adjustable Cone
Nozzle
Flat Fan Nozzle
Cone Nozzle
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Optional Accessories
Part Number Description
Part Number Description
761882 Spray hood is used for nonselec-
tive herbicides when spraying under windy
conditions. Comes with Kematal 110-DEF-06
deflector fan nozzle and parts to assemble
spray hood to your existing Shindaiwa spray
wand.
838052 Constant pressure valve reduces
pumping action, reduces drift and delivers
uniform spraying. Improves productivity and
saves chemicals.
565648 Plastic anti-drip valve for agro-
chemicals and foliar fertilizer application.
Attaches to wand and is compatible with any
type of cone or flat fan nozzle.
902296 Brass spray boom (27.5”) for
use with agrochemicals and foliar fertilizers
applied to row crops. Provides 40” coverage.
JD-12P cone nozzles and 40 mesh stainless
steel filter included.
568774 Spray wand assembly (21.6”)
Plastic handle, trigger valve and spray tube.
40 mesh stainless steel nozzle and trigger
valve filters included. Fitted with adjustable
cone nozzle.
907873 Flexible annealed copper boom fit-
ted with three JD-12P cone nozzles. For use
with agrochemicals and foliar fertilizers on
row crops. Can be easily shaped as appropri-
ate to provide proper coverage. 40 mesh
stainless steel filter included.
725267 All brass spray wand assembly
(21.6”) for heavy-duty applications. Trigger
valve and spray tube are brass. 40 mesh
stainless steel nozzle and trigger valve filters
included. Fitted with JD-12P cone nozzle.
831107 Brass extension (11.8”) com-
plete with plastic fittings for extra reach.
Attachable to original wand .
728139 Brass extension (23.6”) com-
plete with plastic fittings for extra reach.
Attachable to original wand .
568816 Standard Field Repair & Nozzle
Kit for SP300/SP415. Includes: Piston cup,
(2) diaphragm valves, trigger valve needle
assembly, trigger valve cap, JD-12P cone
nozzle, nozzle cap, blue flat fan nozzle, and
grey deflector nozzle.
100016 Brass extension (6.3”) complete
with two JD-12P cone nozzles for doubling
output of agrochemicals and foliar fertilizers
on perennials. 40 mesh stainless steel filter
included.
229724* Nozzle cap for attaching flat fan
and cone type nozzles.
646901 Flow calibrator bottle. For accu-
rate calibration of backpack sprayers to pre-
vent waste and damage to the environment.
336115 Brass Y nozzle for use on plants
requiring heavy applications of fungicides.
Complete with two JD-12P cone nozzles, 40
mesh stainless steel filter and plastic fittings.
452284 All Purpose Wrench for periodic
maintenance and repair.
AVAILABLE SPRAY NOZZLES
Pressure
Flow Rate
Part Number
Application
Nozzle Type
psi (kg/cm2)
gal (ml)/min
0.16 (610)
0.21 (810)
0.33 (1250)
0.08 (300)
0.16 (615)
0.16 (615)
0.22 (830)
0.44 (1680)
0.54 (2060)
0.25 (950)
0.32 (1200)
0.41 (1540)
0.08 (315)
0.17 (640)
45 (3.2)
45 (3.2)
45 (3.2)
45 (3.2)
45 (3.2)
45 (3.2)
45 (3.2)
45 (3.2)
15 (1.0)
15 (1.0)
15 (1.0)
45 (3.2)
45 (3.2)
45 (3.2)
437756
437764
437772
717942
110-SF-015 Kematal green, 0.16 gpm @ 45 psi
Flat Fan
110-SF-02 Kematal yellow, 0.21 gpm @ 45 psi
110-SF-03 Kematal blue, 0.33 gpm @ 45 psi
JD-10A Stainless steel
Herbicides
Cone
217174* JD-12P Stainless steel
437855
110-LD-03 Kemetal blue, 0.33 gpm @ 45 psi
Flat Fan
Low Drift
457317
457325
457333
457390
457408
HC-02 Kematal yellow
HC-04 Kematal red
Cone
Agrochemicals
and foliar
HC-05 Kematal brown
DEF-04 Kematal red
DEF-05 Kematal brown
Flat fan
457416* DEF-06 Kematal gray
323725
015024
325787
Yellow
Red
0.08 gpm @ 45 psi.
0.17 gpm @ 45 psi.
0.18 gpm @ 45 psi.
Adjustable
Cone
Blue
* Denotes parts included in the SP300 repair kit. Note: All Shindaiwa sprayers come with the red adjustable cone nozzle P/N 015024
installed as standard equipment.
ꢃ
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Maintenance
Pump Disassembly
Cleaning the Sprayer
1. Remove the pump-lever connecting rod from the pump
chamber.
After finishing the spray application, empty the sprayer and wash
all equipment in an approved decontamination area.
2. Remove lid and slide agitator off pump chamber.
3. Loosen the packing ring nut that secures
Relieve all pressure from the pump prior to disassembly or storage.
Agitator
the chamber to the tank, then push the
Pump the lever with
the trigger valve open
until the discharge
runs clear
chamber into the cylinder all the way
and lock tabs together.
4. Turn the pump chamber 90° to
unlock the cylinder from the tank.
5. Separate the pump cylinder from the
pump chamber and pull the pump
chamber out of the tank.
Remove the cylinder through
the tank fill opening.
6. Remove the piston cup
fastener from the chamber
valve assy. using the 452284
maintenance tool. See page 6.
Push the chamber
into the tank all the
way
WARNING!
7. If required, remove cylinder diaphragm
valve with a small screw driver or similar
object as shown in figure below.
Remove all chemicals and wash before storing the sprayer.
Chemical products have different reactions and can cause
damage to the sprayer components and the environment.
Unidentified chemicals left in the sprayer tank can pose
a serious health threat to anyone servicing the unit and
unaware of its presence!
8. Clean or replace parts that are
excessively worn.
Assembly
Pump Chamber
Assembly
Screw Cap
1. Install the diaphragm valve in the
cylinder and secure it using the
installation tool. See figure below.
Periodically clean and
lubricate the pump
chamber, piston cup and
actuating linkage with
a high quality lithium
Lubricate
Remove cylinder
through the fill
opening
2. Assemble the piston cup fastener to
chamber assembly.
Lubricate
(disassembly
required)
grease.
3. To ease assembly and help prevent
premature wear, lightly lubricate the
piston cup with lithium-base grease.
Insert the cylinder into the tank.
Push the pump chamber into the
cylinder and lock the tabs.
Lubricate
4. Using the pump chamber, place
the cylinder into its location in
Troubleshooting: Lack of Pressure
the tank. Turn the pump chamber
90°until the cylinder locks in place.
REMEDY
SYMPTOM
CAUSE
Worn or dried out
piston cups.
Leakage through
the upper cylinder.
Lubricate or replace
the piston cups.
5. Reassemble the pump-lever
connecting rod to the pump
chamber.
Grease here
during assembly
After pumping and
pressurizing the
chamber, the pump
lever drops rapidly
when released.
Cylinder diaphragm
valve not sealing
properly due to
Clean or replace the
cylinder diaphragm
valve.
6. Tighten the packing ring nut that
secures the pump chamber to the tank.
wear or impurities.
Cylinder
Cylinder
After pumping and
pressurizing the
chamber, the pump
lever rises slowly
when released.
Clean or replace the
chamber diaphragm
valve.
Chamber diaphragm
valve not sealing
properly due to wear
or impurities.
Diaphragm
Valve
Diaphragm
Valve
Low pressure and
Pump chamber
pump lever hard to filled with liquid.
operate.
Tighten screw cap
at top of chamber.
With an empty tank,
pump lever with trig-
ger valve open until
all liquid is purged
from pump.
Installation
Tool
Removal
ꢄ
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NOTES
Shindaiwa Limited Warranty
Shindaiwa Inc. manufactures its products to superior standards
of quality to ensure customers obtain the highest level of satis-
faction. In keeping with this goal, Shindaiwa Inc. warrants the
SP300 sprayer to the original purchaser as follows:
Warranty Period
One year from the delivery date to the original purchaser for
consumer and commercial applications.
90 days for rental applications.
Warranty Administration
Within the covered warranty period, Shindaiwa Inc. will, at
their option, repair or replace any defect in material or work-
manship, without charge for parts or labor, if this product is
presented at an authorized Shindaiwa dealer.
Warranty Exclusions and Limitations
Shindaiwa Inc. assumes no responsibility for damages, loss, or
injury resulting from:
Normal wear and tear
Misuse or neglect
Modifications to or removal of original component parts
The warranty is limited to the terms stated herein. Shindaiwa
Inc. disclaims all liability for incidental or consequential dam-
ages. Some states do not allow the exclusion of incidental or
consequential damages, so these limitations may not apply to
you.
This warranty give you specific legal rights, and you may also
have other rights which may vary from state to state.
Shindaiwa reserves the right to change the design or speci-
fications of this product without obligation to modify previously
manufactured products.
Owner’s Responsibilities
The owner of the sprayer must demonstrate reasonable care
in the use, maintenance, and storage of this Shindaiwa product.
If a warrantable failure should occur, the owner must deliver the
product to an authorized Shindaiwa servicing dealer for correc-
tion. All residual chemicals must be flushed from the sprayer
prior to delivery.
Unidentified chemicals left in the sprayer tank can pose
a serious health threat to anyone servicing the unit and
unaware of its presence!
To obtain warranty service, proof of purchase must be pre-
sented to the authorized Shindaiwa servicing dealer when the
product is presented for repairs.
ꢅ
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Illustrated Parts List (SP300 Through Serial Number 913170H2)
ꢆ
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Illustrated Parts List (SP300 Through Serial Number 913170H2)
No.
1
Part Number ItemDescription
Qty.
1
2
2
2
1
1
1
1
1
1
1
2
1
3
1
1
1
1
1
1
1
1
4
2
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
965384
502757
965194
120691
965426
965368
965418
965319
965317
965335
661330
942193
568535
560573
214577
214619
965202
965301
965228
965350
965210
647123
609438
942904
965293
838003
942425
965244
002683
965285
965277
965269
965251
635326
229757
229773
229732
904284
433730
351536
229740
229781
635847
336263
915744
909309
560649
730366
009456
715052
009464
015024
965392
965400
837344
838169
147272
Tank-SP300
2
Shoulder strap buckle
Lower strap assembly
Shoulder strap buckle
Upper strap w/pad
Shoulder strap retaining clip
Shoulder strap assembly
Chamber body
3
4
5
6
7
8
9
Chamber packing ring (Viton)
Packing nut ring
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
Hose ferrule
Screw cap S-20
Piston cup
Diaphragm valve
Piston cup fastener
Mechanical agitator
Chamber assembly complete
Cylinder
Cylinder assembly (14 & 18)
O-ring cap seal ORI - 245
Tank cap with seal and diaphragm
Strainer
Flat washer
Retaining Clip
Pump lever connecting rod
Spray wand holding clip
Screw 3.5 x 16 mm
Pump lever connecting rod assembly
Hand grip
Pump lever
Pump lever assembly (29 & 30)
Retaining clip
Flat washer
Hose
Trigger valve body w/handle
Trigger valve lock
Trigger valve cap
Compression spring
Valve seat base
Valve seat
Trigger needle valve assembly
O-ring ORI - 019
Trigger valve assembly
Spray wand tube
Screw cap
Wand ferrule
Spray wand nozzle elbow
Nozzle filter (40 mesh)
Nozzle Body
“O-ring, ORI-012 (Viton)”
Nozzle cap (red)
“Adjustable cone nozzle (49, 50 & 51)”
Spray wand tube assembly with nozzle
Spray wand assembly complete
Calibrated measuring cup
Repair kit
Diaphragm Installation Tool
ꢇ
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Illustrated Parts List (SP300 Begining Serial Number 913171J2)
19
20
21
42
22
3
41
2
4
5
9
24
25
26
7
23
8
18
10
6
1
12
13
38
27
34
33
39
35
36
28
21
29
40
11
32
14
30
13
21
12
37
45
31
15
16
42
41
43
17
44
41
48
47
46
49
50
51
10
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Illustrated Parts List (SP300 Begining Serial Number 913171J2)
No.
Part Number ItemDescription
Qty.
1
568774
568782
909192
920470
909283
105239
300731
300764
568972
996058
568873
909309
915744
336263
635276
730366
015024
250928
381202
381194
964270
560573
942920
965202
964270
560573
942193
965335
965327
965319
568535
214585
214577
214619
965228
964270
560573
965418
965368
965426
120691
965194
502757
965244
838003
825497
147256
609438
965251
147264
147231
147280
147223
285593
963959
147272
251074
Spray wand assembly
Trigger valve assembly
Trigger valve handle
Hose ferrule
1
1
1
1
1
2
1
1
1
1
1
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
2
4
4
2
1
1
1
1
1
1
1
1
2
3
4
5
Trigger valve body
Trigger valve needle assembly
Lower seal
6
7
8
Upper seal
9
Trigger
10
11
12
13
14
15
16
17
18
19
20
21a
21b
22
23
21a
21b
24
25
26
27
28a
28b
29
30
31
21a
21b
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
Trigger Valve cap
Wand tube/elbow assembly
Cone packing
Cone nut
Spray tube
Elbow
Nozzle filter (40 mesh)
Adjustable cone nozzle assembly
Hose/Dip tube assembly
Lid assembly
Lid
Diaphragm valve Viton®
Diaphragm valve Nitrilic (optional)
Strainer
Chamber assembly
Diaphragm valve Viton®
Diaphragm valve Nitrilic (optional)
Screw cap S-20
Packing ring nut
Packing ring Viton®
Chamber body
Piston cup Viton®
Piston cup Santoprene® (optional)
Piston cup fastener
Agitator
Cylinder assembly
Diaphragm valve Viton®
Diaphragm valve Nitrilic (optional)
Strap assembly
Shoulder strap lock
Upper strap w/pad
Shoulder strap buckle
Lower strap assembly
Lower strap buckle
Pump lever connecting rod assembly
Spray wand holding clip assy
Screw, 3.5 x 16 mm
Retaining clip
Flat washer
Flat washer
Pump lever assembly
Handgrip
Plug
Bushing
Pump lever shaft
Calibrated measuring cup
Diaphragm tool
Repair and nozzle kit
11
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®
Shindaiwa Inc.
11975 S.W. Herman Road
Tualatin, Oregon 97062
Telephone:
503 692-3070
Fax:
503 692-6696
©2002 Shindaiwa, Inc.
Part Number 80709
Revision 6/02
Shindaiwa is a registered trademark
of Shindaiwa, Inc.
Specifications subject to change without notice.
Printed in Brazil
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