SHINDAIWA OWNER’S/OPERATOR’S MANUAL
SP518 BACK PACK SPRAYER
WARNING!
Minimize the risk of injury to
yourself and others! Read this
manual and familiarize yourself with
the contents. Always wear eye
protection, gloves and a respirator
when operating this unit.
᭨
Shindaiwa Inc.
11975 S.W. Herman Road
Tualatin, Oregon 97062
Telephone:503 692-3070
Fax:
503 692-6696
ᮊ2002 Shindaiwa, Inc.
Part Number 80702
Revision 4/02
Shindaiwa is a registered trademark
of Shindaiwa, Inc.
Specifications subject to change without notice.
Printed in Brazil
ᮋ
Part Number 80702 Rev. 4/02
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Install the Pump Lever and
Connecting Rod
Install the Shoulder Straps
Shindaiwa Limited Warranty
Shindaiwa Inc. manufactures its products to superior standards
of quality to ensure customers obtain the highest level of
satisfaction. In keeping with this goal, Shindaiwa Inc. warrants
the SP518 sprayer to the original purchaser as follows:
Hitch Pin
Washer
Slot
Connecting
Rod
Warranty Period
One year from the delivery date to the original purchaser for
consumer and commercial applications.
90 days for rental applications.
Tank
Base
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.
Strap
Hook
Lever
Install the straps by fitting the
strap hook into the slot in the tank
base and then turning it 900 to lock
into place.
Warranty Exclusions and Limitations
Washer
Shindaiwa Inc. assumes no responsibility for damages, loss, or
injury resulting from:
Pump Lever
Shaft
■ Normal wear and tear
Hitch Pin
Washer
■ Misuse or neglect
Adjusting the Shoulder Straps
■ Modifications to or removal of original component parts
1. Lightly grease the end of the pump lever connecting rod
and insert into the upper hole in the pump lever. Secure
with flat washer and hitch pin.
The warranty is limited to the terms stated herein. Shin-
daiwa Inc. disclaims all liability for incidental or consequential
damages. 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
specifications of this product without obligation to modify
previously manufactured products.
Buckle
Tightening
1. Place the sprayer on
your back with the
2. Install a flat washer on the opposite end of the connecting
rod. Lightly grease the rod end and insert it into the hole on
the top of the pump chamber. Secure with flat washer and
hitch pin.
staps loosened.
Adjustment
2. Hold the adjustment
ring firmly and pull
until backpack is
Ring
3. Install a flat washer on the pump lever shaft.
4. Lightly grease the hole on the end of the pump lever and
assemble on to the pump lever shaft. Secure with flat
washer and hitch pin.
secure in place.
Owner’s Responsibilities
Loosening
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
correction. All residual chemicals must be flushed from the
sprayer prior to delivery.
Lift up on the buckle to release tension.
Assembling the Spray Wand
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
connection or fitting. Any leaks must be stopped prior to filling
the sprayer with chemicals.
Unidentified chemicals left in the sprayer tank can pose
a serious health threat to anyone servicing the unit and
unaware of its presence!
Wand
Screw
Cap
Trigger
Valve
To obtain warranty service, proof of purchase must be
presented to the authorized Shindaiwa servicing dealer when
the product is presented for repairs.
Push the wand into the trigger valve and secure with screw
cap. Hand tighten to prevent leakage.
Proof of purchase must include date of purchase and the
name and address of the selling dealer.
CAUTION!
Do not overtighten!
10
3
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Changing Lever Operating Side
Illustrated Parts List (SP518)
NOTE:
No.
Part Number ItemDescription
Qty.
The operating lever may be mounted on the left or right side of
the sprayer tank depending on operator preference.
1
2
3
4
5
6
7
8
9
280016
279992
909192
Spray wand assembly
Trigger Valve Assembly
Trigger Valve Handle
Hose Ferrule
Trigger Valve Body
Trigger Valve Needle Assembly
Lower Seal
Upper Seal
Trigger, Chromed
Valve Cap
Wand Tube/Elbow Assembly
Cone Packing
Cone Nut
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
4
2
1
2
1
2
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
Hitch Pin
Washer
920470
909283
105239
300731
300764
263228
996058
285213
Pump
Chamber
10
11
12
13
14
15
16
17
18
19
20a
20b
21
22
23
24
25
26
27
28a
28b
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
58
59
60
61
62
63
Connecting
Agitator
Rod
909309
915744
635276
Shaft
Elbow
Retainer
Pump
730366
015024
942193
048116
285205
Nozzle Filter (40 mesh)
Adjustable Cone Nozzle Assembly
Screw Cap S-20
Lever
Shaft
Hose/Dip Tube
Washer
Chamber Assembly
Piston Cup, Viton
Piston Cup, Santoprene (optional)
Piston Cup Spacer
Chamber Valve
Chamber Body
Chamber Cap
O-Ring (Ori-136)
Chamber Nut
743880
Tank
Base
942755
942763
402297
285197
942680
573154
040964
Shoulder
Strap
Pump
Lever
Hitch Pin
Washer
878132
Lid Assembly
WARNING!
964270
560573
837922
Diaphragm Valve, Viton
Diaphragm Valve, Nitrilic (optional)
Lid Seal
Strainer
Packing Ring Nut
Packing Ring
Agitator
Cylinder Assembly
Ball Lock
Ball
O-Ring ORI-122
Ball Seat 17x12x3
Valve Seat
Cylinder
Bolt M6x20x1.0
Cylinder Base
Screw 14x3/4 (Qty. of 2 in 433334 Cyl.Assy.)
Flanged Nut
Split Base Assembly
Half Base
Remove all chemicals and wash the sprayer thoroughly
before begining to change the lever operating side.
942920
878074
831230
300582
433334
1. Remove (2) hitch pins, washers and the pump lever from
the base of the sprayer.
2. Remove the pump lever shaft and detach both shoulder
straps at the base.
3. Install the pump lever shaft into the opposite hole in the
sprayer base and insert the shaft retaining pin.
4. Remove the hitch pin, (2) washers and connecting rod from
the pump chamber.
570788
715474
011668
565960
433359
433342
351486
433367
211227
636126
5. Remove the tank fill cap and strainer, reach inside and slide
the agitator down the pump chamber.
6. Rotate the pump chamber 1800.
7. Reinstall the connecting rod and washers to the pump
chamber and secure with the hitch pin.
878140
878066
433870
942896
8. Slide the agitator back up the pump chamber firmly to lock
into place.
Base Reinforcement
Base Clamp
9. Reinstall the pump lever, washers and hitch pins to the
pump lever shaft and connecting rod.
433888
Pump Shaft Lock Pin
Pump Lever Shaft
Washers & Hitch Pin Set
Pump Lever Assy.
Hand Grip
Pump Lever Connecting Rod
Spray Wand Holder Clip Assembly (pkg. of 2)
Strap Assembly Complete
Upper Strap w/pad
Lower Strap Assembly
Lower Strap Buckle
Lower Strap Hook
Sholder Strap Lock
Calibrated Measuring Cup
Standard Repair and Nozzle Kit
433896
942102
964387
002683
661397
838003
263392
Strap
Lock
568725
Shoulder
Straps
229971
502757
433474
214817
963959
285221
10. Push shoulder straps through the slot in the top of
the sprayer tank and remove the strap lock.
11. Feed shoulder straps back into the slot from the oppisite
side of the tank and reinstall the strap lock.
12. Reattach both shoulder strap hooks to the tank base.
4
9
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Illustrated Parts List (SP518)
Safety Precautions
Calibrating the Sprayer
51
(Requires optional flow calibrator bottle, P/N 646901)
Carefully read the labels on chemical containers
prior to use. Chemicals are classified in four
categories of toxicity:
17
1. Hold the wand at
the working
18
24
25
height and spray
a test pattern to
measure the
application band
width.
■ Category I, High Toxicity, Red label
■ Category II, Moderate Toxicity, Yellow label
■ Category III, Low Toxicity, Blue label
■ Category IV, Light Toxicity, Green label
26
31
32
2. Based on the band width,
identify from the table
Band
Width
There are unique handling recommendations
for each category, and you should familiarize
yourself with them.
27
19
3
57
29
28
below the walking distance
required to calibrate the sprayer.
23
9
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:
61
4
5
30
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
2
7
8
56
Distance to walk
165 ft 120 ft
80 ft
70 ft
55 ft
■ Long sleeve shirt
10
20
50.0m 35.7m 25.0m 20.8m 16.7m
1
6
■ Impermeable apron or coverall
■ Impermeable gloves and boots
■ Wide-brim hat
21
20
22
3. Attach the flow calibrator bottle to the wand:
a. Remove the nozzle, cap and filter from the spray wand.
b. Mount the flow calibrator cover
54
12
13
■ Protective mask equipped with
Wand
appropriate filters
to the spray wand.
58
Cover
c. Reinstall the nozzle, filter and
33
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 clothing and
safety equipment. DO NOT STORE OR TRANS-
PORT CHEMICALS WITH FOOD OR MEDI-
CINES, AND NEVER REUSE A CHEMICAL
CONTAINER FOR ANY OTHER PURPOSE.
Filter
d. Screw the flow calibrator bottle
into the cover.
35
Nozzle
55
36
37
38
11
Nozzle
Cap
4. Using the flow calibrator bottle:
a. Operate the pump lever to
maintain spray system pressure
when using the flow calibrator
bottle.
34
Calibrator
Bottle
59
60
39
13
12
40
41
42
43
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!
b. Hold the wand at your normal
working position and spray into the bottle while walking the
distance identified in step 2 above.
14
44
15
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.
16
When handling chemicals and when spraying,
make sure you are operating in accordance with
local, state, and federal environmental protec-
tion 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
48
e. Empty the bottle contents back into the sprayer tank.
46
NOTE:
53
43
47
45
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.
52
44
48
Typical Nozzle Assemblies
50
Tip
Filter
Filter
Swirl
Core
Tip
Disc
49
43
62
Cap
63
Cap
The spraying angle is
changed by turning
the tip
51
Adjustable Cone
Nozzle
Flat Fan Nozzle
Cone Nozzle
8
5
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Maintenance
Optional Accessories
Cleaning the Sprayer
Pump Disassembly (cont.)
Part Number Description
Part Number Description
2. Using the 452284 all-purpose wrench,
remove the chamber valve and cups.
Replace as necessary.
After finishing the spray application, empty the sprayer and
wash all equipment in an approved decontamination area.
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.
Pump
Chamber
3. Remove the two flanged nuts from the
outside of the tank below the pump
cylinder with a 10 mm socket and
remove the cylinder.
Piston
Cup
Pump the lever with
the trigger valve
disconnected until
the discharge runs
clear
Spacer
565648 Plastic anti-drip valve for
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.
agrochemicals and foliar fertilizer applica-
tion. Attaches to wand and is compatible
with any type of cone or flat fan nozzle.
Piston
Cup
4. Remove the two Phillips head screws
located at the bottom of the cylinder
and remove the cylinder base.
Chamber
Valve
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.
5. From the bottom of the cylinder, push
the ball seat assembly towards the top
and out of the cylinder.
907873 Flexible annealed copper boom
fitted with three JD-12P cone nozzles. For
use with agrochemicals and foliar fertilizers
on row crops. Can be easily shaped as
appropriate to provide proper coverage.
40 mesh stainless steel filter included.
Ball Lock
Ball
Seat
Valve Seat
O-Ring
6. Unscrew the ball lock from the valve
seat and remove the ball and seat.
725267 All brass spray wand assembly
(21.6") for extra 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.
7. Clean all parts and carefully inspect
for worn or damaged parts and replace
as necessary.
831107 Brass extension (11.8") complete
with plastic fittings for extra reach. Attach-
able to original wand .
Cylinder
8. Reassemble in the reverse order.
728139 Brass extension (23.6") complete
with plastic fittings for extra reach. Attach-
able to original wand .
WARNING!
285221 Standard Repair Kit and Nozzle
for SP518. Includes (2) Piston cups, trigger
valve needle, nozzle filter, JD-12P cone
nozzle, nozzle cap, and deflector nozzle.
Bolt
NOTE:
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!
Cylinder
Base
Lubricating all moving parts with a high
quality lithium grease will ease assembly
and prolong the life of the unit.
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.
Screw
Flanged
Nut
Troubleshooting: Lack of Pressure
229724* Nozzle cap for attaching flat fan
and cone type nozzles.
646901 Flow calibrator bottle. For
accurate calibration of backpack sprayers to
prevent waste and damage to the environ-
ment.
REMEDY
SYMPTOM
CAUSE
Leakage through
the upper cylinder. piston cups.
Worn or dried out
Lubricate or replace
the piston cups.
Lubricate
452284 All Purpose Wrench for periodic
maintenance and repair.
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.
Cylinder ball or seat
After pumping and
pressurizing the
chamber, the pump
lever drops rapidly
when released.
Clean or replace the
not sealing properly cylinder ball or seat.
due to wear or
Lubricate
(disassembly
required)
impurities.
AVAILABLE SPRAY NOZZLES
Chamber valve not
sealing properly
due to wear or
impurities.
After pumping and
pressurizing the
chamber, the pump
lever rises slowly
when released.
Clean or replace the
chamber valve.
Pressure
Flow Rate
Part Number
Application
Nozzle Type
psi (kg/cm2) gal (ml)/min
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)
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)
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
Lubricate
Herbicides
Pump chamber
pump lever hard to filled with liquid.
operate.
Low pressure and
Tighten screw cap
at top of chamber.
With an empty tank,
pump lever with
trigger valve open
until all liquid is
purged from pump.
Cone
Periodically clean and lubricate the pump chamber and
actuating linkage with a high quality lithium grease.
217174* JD-12P Stainless steel
437855
110-LD-03 Kemetal blue, 0.33 gpm @ 45 psi
Flat Fan
Low Drift
Pump Disassembly
Screw Cap
Packing
Ring Nut
1. Remove the pump lever
connecting rod from the
chamber. Loosen the
packing ring nut that
secures the chamber
to the tank. Remove the
tank lid and strainer,
reach inside the tank
and slide the agitator
down the pump cham-
ber, then remove the
chamber from the
457317
457325
457333
457390
457408
HC-02 Kematal yellow
HC-04 Kematal red
Cone
Agrochemicals
and foliar
Pump Lever
Connecting Rod
Pump Chamber
HC-05 Kematal brown
DEF-04 Kematal red
DEF-05 Kematal brown
fertilizers
Piston Cup
Chamber Valve
Cylinder
Flat fan
Deflector
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.
Cylinder Ball
Adjustable
Cone
Blue
cylinder.
* Denotes nozzles included in the SP518
standard repair kit.
Note: All Shindaiwa sprayers come with the red adjustable
cone nozzle P/N 015024 installed as standard equipment.
6
7
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