Echo shindaiwa SP41BPS Manuale utente
013527-4 R0317
Carefully Read These Instructions Before Use
WARNING
Model SP41BPS
4G/ 15L
BackpackBackpack
SprayerSprayer
Use and Care ManualUse and Care Manual
WARNING
CAUTION
1E
WARNING: Improper use or failure to follow instructions can result in explosive
failure causing serious eye or other injury. For safe use of this product you must read
and follow all instructions. Do not leave a pressurized sprayer in the hot sun. Heat can cause
pressure build-up resulting in possible explosion. Do not store or leave solution in tank after
use. Always wear goggles, gloves, long sleeve shirt, long pants and full foot protection when
spraying. Never use any tool to remove pump if there is pressure in the pressure chamber.
Never pressurize sprayer by any means other than the original pump. Do not attempt to
modify this sprayer. Replace parts only with manufacturer’s original parts. Never spray
ammable, caustic, acidic, chlorine, bleach or other corrosive solutions or
heat, pressure, or gas producing chemicals. Always read and follow chemical
manufacturer’s instructions before use with this sprayer as some chemicals
may be hazardous when used with this sprayer.
SK 1158-1
• PRE-USE CHECK: Before each use check tightness of hose nut to be sure hose is
securelyattachedtotheshut-oassembly.Insurehoseissecurelyattachedtothe
tankbytighteninghoseclampifnecessary.Insurethatallnozzleandwand
connectionsaretight.Insurethelargepumpclampistight.Insurethe2bolts
used to attach the pump lever to the pump shaft are tight.
• DoNotexceedatanksolutiontemperatureof120ºF/49ºC.
NOTE: The tank and hose may have residual water in it due to quality testing
performed on the sprayer.
WARNING:
This product contains chemicals, including lead, known to the
state of California to cause birth defects and other reproductive harm. Wash
hands after handling.
1. Poly
Nozzle Cap
2. Retaining
Nut
3. Nozzle
Body
4. Nozzle
Gasket
5. Elbow
Figure 3Figure 2Figure 1
1. Brass
Nozzle Cap
2. Retaining
Nut
3. Nozzle
Body
4. Nozzle
Gasket
5. Elbow
Nozzle
Gasket
Retaining Nut
Elbow
Fan Nozzle Tip
2E
APPLICATIONS & USE FOR YOUR SPRAYER
Avoid using a sprayer for general cleaning purposes if plant protection or herbicide chemicals have
alreadybeenusedinthesprayer.Ifasprayerhasbeenusedforplantprotectionorasanherbicide,clean
the sprayer completely (see cleaning section) before using.
Plant Food:Usedierentspraypatternsforoptimumfoliagefeedingorforfungicideandpesticide
application.
Herbicides: Reduce weeds and unwanted plants but avoid using the same sprayer for plant feeding or
protectionwithoutthoroughlycleaning(seecleaningsection)thesprayerfirst.
General Household Use: Apply detergents, cleaning solutions, warm water (do not exceed
120°F/49°C)ornontoxichouseholdcleaningchemicalsforcarpets,floors,walls,glass,countertopsand
ceilings. DO NOT use sprayer that has been used with herbicides, pesticides or other toxic chemicals for
household applications.
General Outdoor Use: Use the sprayer for cleaning windows or with a detergent for general purpose
cleaning.
SPRAYER COMPONENTS & USE INFORMATION
NOZZLE ASSEMBLY
Figure 1-2
Unscrew the nozzle cap (1) from the nozzle body (3) with retaining nut (2) fastened tightly to the
elbow (5). Unscrew the retaining nut (2). Push the nozzle body (3) with the nozzle gasket (4) out of
the retaining nut (2). To reinstall the nozzle, reverse the above instructions.
Figure 3
Unscrew the retaining nut from the elbow and push the fan nozzle tip and gasket out of the retaining
nut. To reinstall the nozzle, reverse the above instructions.
3E
SPRAYER COMPONENTS & USE INFORMATION, Continued
WAND ASSEMBLY
1.Makesuretheo-ringisinstalledontheendofthewand.Insertthewandintoshut-ovalve.
2.Turnandtightentheretainingnutclock-wiseontotheshut-ovalve.
O-ring
Wand
Retaining Nut Shut-off
Valve
Pump Handle
Positioned For Use
(right hand shown)
Figure 1 Figure 2
Line up holes
Figure 3
Slide bolt through holes
Figure 5
Right Hand
INSTALLING THE PUMP HANDLE
The pump handle can be mounted on either side of the pump shaft
(A). To install the pump handle place the handle (C) over the shaft
(A) aligning the pump handle holes and shaft holes. Slide the bolts
(B)throughthealignedholesasshowninfigure1thru4.Tighten
nuts (D) to bolts. There are holes in the pump handle to allow for
eitherright(fig.5)orleft(fig.6)handmounting.
Figure 6
Left Hand
Figure 4
Tighten nut to bolt
Threaded Bolt
Nylon Lock Nut
C. Pump Handle
A. Pump Shaft
B. Bolts
D. Nuts
STOWAWAY PUMP HANDLE
Pull
up
Rotate
180º
Set
into
slot
WAND CLIP
The wand can be
attached to the
pump handle
using the wand
clip.
The backpack strap is provided with multiple features
including shoulder strap, chest strap, waist belt, lumbar
supportandbackpad(figure1).Thetopofboththeshoulder
straps and back pad straps are attached to the top of the tank
and are removable. The back pad strap attaches to the bottom
ofthetank(figure2).Thebackpadisattachedtoitsstrapwith
velcroandisremovable(figure3).Thestrapfromthelumbar
support attaches to the base tube on the bottom of the tank
(figure4).
Intheeventthatthesprayerharness(straps)become
contaminated with chemicals, it is recommended to
thoroughly wash the straps with soap & water and allow to dry
before using the sprayer.
INSTALLING THE SHOULDER STRAP
Figure 1
Strap Assembly
Shoulder
Strap
Back
Pad
Chest Strap
Lumbar
Support
Waist Belt
Figure 2
Back Pad strap attachment
Back Pad
Strap
Removable
Back Pad
Velcro
Attachment
Figure 3
Removable Back Pad
Lumbar
Support
Base Tube
Figure 4
Strap Attachment
4E
5E
Stage 3
(removable
Shut-off filter)
FILLING THE SPRAYER
Makesurethefilterbasketisinplacetokeepdebrisfromenteringthetank.
Determine the amount of mixture needed for your application. Add the proper amount of water to
the tank. Add the proper amount of chemical to the tank (check the chemical label for proper ratio of
chemical).Stirmixtureintankwithacleanutensil(likeapaintstirrer).Thetankwillholdthe4-gallon
(15.1L)capacityplusthechemical.
Itisnotnecessarytocompletelyfillthesprayertankwitheachuse.Youcanfillthetankwithonlythe
amount needed for each application.
Always follow the manufacturer’s instructions included on their product label.
Figure 2 Stage 2 (removable In-Tank filter)
Guide edge facing away from
pressure cylinder Guide edge on pressure
cylinder
Figure 1 Stage 1
(Filter
basket)
3 STAGE FILTERING SYSTEM
Stage 2
(Removable
In-Tank Filter
Pressure
Cylinder
Thisbackpacksprayerisequippedwitha3stagefilteringsystem(seefigure
1).Stage1isafilterbasketincorporatedintothetankopeningwherefluidis
added.Stage2filterislocatedattheinletofthepressurecylinder.Stage2
isaremovableIn-Tankfilter.Stage3isaremovablefilterincorporatedinto
theshut-oassembly.Periodiccleaningofthesefiltersisrecommendedto
insureconsistentfluidflowthroughthesprayer.Thiswillalsoreducesprayer
component wear.
Thestage3filterisaremovablefilterincorporatedintotheinletsideofthe
shut-ovalve(seesection“disassemblingandrepairingtheshut-ovalve”).
Makesurepressureisreleasedbeforedetachingthehosefromtheshut-o.
Itisbesttohavenoorminimalfluidinthepressurecylinderbeforeremoving
andreinstallingthestage3shut-ofilterasfluidcanleakfromthehose.
SPRAYER COMPONENTS & USE INFORMATION, Continued
6E
SPRAYER COMPONENTS & USE INFORMATION, Continued
HELPFUL SPRAYING INFORMATION
UseRAPIDpumpstrokestoprimethepump.Youwillknowthepressurechamberisfillingwithliquid
whenyoufeelfirmresistancefromthepump.Theairinthepressurechamberiscompressedfrom
repeatedstrokes.Bypressingthehandleverontheshut-o,thevalveopens.Forsafetylock-ofeature
(no-spraying),pulluponhandleandmoveredlockingmechanismintolock-opositionasshowninfig.
1.Todisengage,pulluponhandleandreturnredlockingmechanismtoneutralpositionasinfig.3.For
lock-on feature (continuous spraying), push down on handle and move red locking mechanism into lock-
onpositionasshowninfig.2.Todisengage,pushdownonhandleandreturnredlockingmechanismto
neutralpositionasshowninfig.3.
Intheeventthatthehandlebecomesstuckinthelock-on(continuousspraying)positionandthetank
pressure needs to be relieved, carefully open the tank and place the wand inside the tank until the pressure
is relieved.
LOCK-ON POSITION NEUTRAL POSITIONLOCK-OFF POSITION
Locking Mechanism Handle
Down
Handle
Up
Figure 1 Figure 2 Figure 3
For easy pump action use the END of the pump handle. The amount of liquid delivered during spraying
dependsontherateofpumpstroke.Thefannozzletipisratedat.4gpmat40psi.Thisisthenominal
operating pressure of the sprayer.
Note:Ifyouexperiencearapiddropinpressure,drainthesprayercompletelyandpumpthehandle
withanemptytank.Thepressurechamberwillfillwiththerequiredvolumeofairtorepressurize.
Perform this procedure from time to time as routine maintenance.
POWDER-BASED CHEMICALS
Powder-based chemicals (powder mixed with liquids to make the spraying agent) are usually abrasive
and can cause wear. When you use a powder-based chemical in your sprayer, make sure it is thoroughly
dissolvedintheliquidsolution.Thoroughlycleanandflushthesprayerwithwatertoextendthelifeof
the sprayers parts.
CLEANING
1) Always empty the sprayer and clean the tank thoroughly after each use.
2)Pumpthesprayerhandleuntilallofthecontentsandairexitthroughthenozzle(minimumof
30strokes).
3)Filltankhalfwaywithwaterandpumpthewateroutasexplainedinstep2(repeatseveraltimes
as necessary).
Other Cleaning Hints:
• Improperspraydistributionusuallymeansthenozzleisclogged,removethenozzleandcleanit.
• Soap can be added to the water to clean the tank.
• Do not use strong cleaning agents or abrasives.
• Ifyouuseachemicalagenttocleanthetankfollowthemanufacturer’srecommendationsforthe
disposal of the waste water.
• Follow the chemical manufacturers instructions for clean up.
Difficulty actuating the pump lever and/or Upper valve plate sticks Clean or replace valve plate
pump handle moves itself back up. Piston cylinder outlet passage clogged Clean piston cylinder outlet passage
Little or no resistance during Damaged/worn/dirty/upper and or lower valve plate Clean or Replace Valve Plate
repeated pumping – no pressure. Damaged /worn upper o-ring on piston Replace O-ring
Piston Collar or piston cylinder assembly is worn Replace Collar or Piston cylinder assembly
Too much resistance after just a few Not enough air cushion in the pressure Release pressure in pressure chamber
pumping strokes but pressure only lasts chamber Remove the hose & drain pressure
briefly. chamber. Reconnect the hose.
Upper valve plate damaged/worn/dirty Clean or replace upper valve plate
Upward pumping action is more difficult Vent hole is clogged Clear the vent hole in cap
and/or pump handle moves itself Lower valve plate sticks Clean or replace the valve plate
backdown. Clogged filter Clean in tank filter
Piston cylinder intake clogged Clean piston cylinder intake
When the handle is pulled up it moves Valve Plate sticking Clean or replace valve plate
itself back down
Leaks at Piston Cylinder Damaged/worn/Dirty Collar Clean or Replace Piston Collar
Damaged Piston Cylinder Replace Piston Cylinder
Damaged Piston Replace Piston
Shut-off leaks Connections loose Tighten connection
Worn or damaged shut-off Rebuild or replace the shut-off valve
Wand assembly leaks Connections loose Tighten connection
Damaged or worn o-ring/gasket Replace o-ring/gasket
Nozzle assembly leaks Connections loose Tighten connection
Damaged or worn o-ring/gasket Replace o-ring/gasket
Leak between pump assembly Pump clamp loose Tighten clamp
and tank O-ring worn or damaged Replace pressure chamber o-ring
Hose leaking at tank outlet Hose clamp loose Tighten clamp
Hose leaking at shut-off Connection loose Tighten retaining nut
Damaged or worn o-ring/gasket Replace o-ring/gasket
STORING / MAINTAINING YOUR SPRAYER
• The sprayer should be stored out of direct sunlight in a cool dry space.
• Before freezing weather make sure to drain all liquid in the tank, pump, pressure cylinder, hose,
shut-ovalve,wandandnozzle,toavoidliquidexpansionandcrackinginthesprayercomponents
(See“Cleaning”section).Locktheshut-ovalveinthe“open”position.
• When service is required call your nearest dealer and always insist on original manufactured
replacement parts.
•Inspectthehose,wand,pump,tankandshut-ovalveforwear,damageorleaksonaregularbasis
and repair defects promptly.
TROUBLE SHOOTING YOUR SPRAYER
Symptom Possible Reason Correction
7E
8E
DISASSEMBLING AND REPAIRING THE PISTON PUMP
1) Remove the cotter pin and pump handle. With the pump facing towards you
laytheunitonitsback(Figure1).Loosenthehoseclampandremovethe
sprayer hose. Caution: There could be residual liquid in the hose and pressure
cylinder. Remove the nut and bolt from the protective cap and remove the cap
(ref:figure9).Rotatethepumpshaftinordertoreachtwoleverbolts(A).Using
an allen wrench, remove the lever bolts. Pull the piston assembly (B) out of the
piston cylinder (C).
2)Removethepistoncylinderassemblybyturningthepistoncylinder
counter-clockwise when viewing the sprayer from the bottom. Caution: The
piston cylinder may have sharp edges.
3)Checkforverticalscratchesontheinsideofthepiston
cylinderandthepiston.Ifoneorbotharescratchedreplace
them.
4)Toreplacethecollar,pushitoofthecrownofthe
pistonwithyourthumb.Youwillseeformfittedslots
to install the new collar on to the piston crown.
6)Greasethe2O-ringsonthepistoncylinder(donotgetanygreaseonthe
valve plate) and screw the piston assembly into the pressure cylinder base.
Screw the piston cylinder clockwise until tight and the bottom O-ring is no
longer visible. When properly placed, the tab on the piston cylinder will line up
with the rib on the pressure cylinder base.
5)Thereare2valveplatesonthepistoncylinder,oneontheinsideof
the cylinder and one on the outside top. The valve plates are held in
place with a screw and washer and can be removed and replaced using a
Phillipsheadscrewdriver.The2o-ringscanberemovedandreplacedas
well.Insurethattheo-ringsarepositionedintheo-ringgroovesinthe
piston cylinder.
Figure 1
Figure 6
Figure 2
Figure 3
Figure 4
Figure 5
C
B
A
Collar
Piston
Cylinder
Intake
Upper
Valve
Plate
Lower
Valve Plate Outlet
Passage
Pressure cylinder
base rib
Piston cylinder tab
7) Apply Petroleum jelly to the inside of the piston cylinder wall
and on the collar, and reinstall the piston assembly into the piston
cylinder.
8)Insertthepistonatananglewiththeleadingedgeofthe
collar placed over the slot in the piston cylinder. Bolt the piston
assembly to the pump shaft using the lever bolts.
9)Replacetheprotectivedustcap.Tightenthe
nut and bolt. Reinstall the pump handle. Replace the hose
andfirmlysecurethehoseclampinplace.
DISASSEMBLING AND REPAIRING THE PUMP ASSEMBLY
Figure 7
Figure 8
Figure 9
Protective
Dust Cap
9E
Figure 1
Figure 2a
Figure 2b Figure 3a Figure 3b
Pressure
Chamber o-ring
Clamp
In-Tank
Filter
1. Release the pressure from the sprayer and remove all liquid from both the pressure chamber and tank.
2.Removehose.
3.RemovetheIn-tankfilterfromthepressurechamber.
4.Remove2boltsattachingthepivotlevertothepumpshaftandremovepistonassembly(fig.2a&2b).
5.Removethelargeclampholdingthepressurechamberandtanktogether(fig1).
6.Rockthepressurechamberbackandforthandpushdowntofreeitfromthetank(fig1).
7. Once freed the entire pump assembly can be removed by maneuvering it through the base frame
(fig3a&3b).
Pump
Assembly
Indice
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