Backpack
Use and Care
Manual
Model MS-40BP
4.0G/15.1L
WARNING!
Carefully Read These Instructions Before Use
011289 R0211
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APPLICATIONS & USE FOR YOUR SPRAYER
Avoid using a sprayer for general cleaning purposes if plant protection or herbicide chemicals
have already been used in the sprayer. If a sprayer has been used for plant protection or as an
herbicide, clean the sprayer completely (see cleaning section) before using.
Plant Food: Use different spray patterns for optimum foliage feeding or for fungicide and
pesticide application.
Herbicides: Reduce weeds and unwanted plants but avoid using the same sprayer for plant
feeding or protection without thoroughly cleaning (see cleaning section) the sprayer first.
General Household Use: Apply detergents, vinegar, cleaning solutions, warm water (do not
exceed 120°F/49°C) or nontoxic household cleaning chemicals for carpets, floors, walls, glass,
counter tops and 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. Other applications include wood preservatives, waxes, water proofing, and
diluted household bleach (max. 1 part household bleach to 9 parts water solution).
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.
1. Poly
Nozzle Cap
1. Brass
Nozzle Cap
2. Retaining
Nut
2. Retaining
Nut
Retaining Nut
3. Nozzle
Body
3. Nozzle
Body
Fan Nozzle Tip
Nozzle
Gasket
4. Nozzle
Gasket
4. Nozzle
Gasket
Elbow
5. Elbow
5. Elbow
Figure 1
Figure 2
Figure 3
WAND ASSEMBLY
1. Make sure the o-ring is installed on the end of the wand.
Insert the wand into shut-off valve.
2. Turn and tighten the retaining nut clock-wise onto the shut-off valve.
Shut-off
Valve
Wand
O-ring
Retaining Nut
2E
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SPRAYER COMPONENTS & USE INFORMATION, Continued
INSTALLING THE PUMP HANDLE
A
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 hole and shaft hole. Push the straight side of the cotter pin (B)
through the aligned hole as shown in figure 1 thru 3. There are holes in the
pump handle to allow for either left(fig.4) or right (fig.5) hand mounting.
C
B
Figure 1
Cotter Pin
Figure 2
Line up holes
Figure 3
Slide pin through holes.
Pump Handle
Positioned For Use
(right hand shown)
Figure 4
Left Hand
Figure 5
Right Hand
STOWAWAY PUMP HANDLE
Set
into
slot
Pull
up
Rotate
180º
INSTALLING THE
SHOULDER STRAP
WAND CLIP
The wand can
be attached to
the pump
handle using
the wand clip.
The top of the shoulder straps are
attached to the tank. Attach the
lower end of the straps by
clipping the strap hooks to the
metal frame between where the
frame exits the tank and curves
around.
NOTE: If your straps become
contaminated with dirt or
chemicals, wash with mild soap
and water and let dry overnight.
If this does not remove the
contamination, replace with new
straps.
3E
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SPRAYER COMPONENTS & USE INFORMATION, Continued
Stage 1
(filter
4 STAGE FILTERING SYSTEM
Figure 1
basket)
This backpack sprayer is equipped with a 4 stage filtering system (see figure 1).
Stage 1 is a filter basket incorporated into the tank opening where fluid is
added. Stage 2 and 3 filters are located at the inlet of the pressure cylinder.
Stage 2 is a removable In-Tank filter. Stage 3 is a removable filter cartridge
integrated into the pressure cylinder. Stage 4 is a removable filter incorporated
into the shut-off assembly. Periodic cleaning of these filters is recommended to
insure consistent fluid flow through the sprayer. This will also reduce sprayer
component wear.
Stage 2
(removable
Pressure
Cylinder
In-Tank filter)
Stage 3 filter cartridge cleaning requires removal of the entire pressure cylinder
assembly (see section “disassembling and repairing the pressure cylinder”).
Once the pressure cylinder is removed the stage 3 filter can be removed for
cleaning (see figure 3). Periodic cleaning of the stage 2 filter is highly
recommended and will reduce the need to perform this disassembly. It is best
to have no or minimal fluid in the tank before removing and reinstalling the
stage 2 In-Tank filter. The In-Tank filter needs to be oriented in a specific way
when inserted into the pressure cylinder base (see figure 2).
Stage 3 (removable
filter cartridge)
Stage 4
emovable
t-off filter)
The stage 4 filter is a removable filter incorporated into the inlet side of the
shut-off valve (see section “disassembling and repairing the shut-off valve”) .
Make sure pressure is released before detaching the hose from the shut-off. It
is best to have no or minimal fluid in the pressure cylinder before removing
and reinstalling the stage 4 shut-off filter as fluid can leak from the hose.
Figure 2 Stage 2 (removable In-Tank filter)
Figure 3 Stage 3 (removable filter cartridge)
Guide edge facing away
from pressure cylinder
Guide edge on
pressure cylinder
Filter cartridge in
pressure cylinder base
Filter cartridge removed
FILLING THE SPRAYER
Make sure the filter basket is in place to keep debris from entering the tank.
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). Stir mixture in tank with a clean utensil (like a paint stirrer). The tank will hold the 4-gallon
(15.1L) capacity plus the chemical.
It is not necessary to completely fill the sprayer tank with each use. You can fill the tank with only the
amount needed for each application.
Always follow the manufacturer’s instructions included on their product label.
4E
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SPRAYER COMPONENTS & USE INFORMATION, Continued
HELPFUL SPRAYING INFORMATION
Use RAPID pump strokes to prime the pump. You will know the pressure chamber is filling with liquid
when you feel firm resistance from the pump. The air in the pressure chamber is compressed from
repeated strokes. By pressing the hand lever on the shut-off, the valve opens. For safety lock-off feature
(no-spraying), pull up on handle and move red locking mechanism into lock-off position as shown in fig.
1. To disengage, push down on handle and return red locking mechanism to neutral position as in fig. 3.
For lock-on feature (continuous spraying), push down on handle and move red locking mechanism into
lock-on position as shown in fig. 2. To disengage, push down on handle and return red locking
mechanism to neutral position as shown in fig. 3.
If the shut-off fails, place wand into tank until pressure is completely exhausted.
LOCK-OFF POSITION
LOCK-ON POSITION
NEUTRAL 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
depends on the rate of pump stroke. The fan nozzle tip is rated at .4 gpm at 40psi. This is the nominal
operating pressure of the sprayer.
Note: If you experience a rapid drop in pressure, drain the sprayer completely and pump the handle
with an empty tank. The pressure chamber will fill with the required volume of air to repressurize.
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
dissolved in the liquid solution. Thoroughly clean and flush the sprayer with water to extend the life of
the sprayers parts.
CLEANING
1) Always empty the sprayer and clean the tank thoroughly after each use.
2) Pump the sprayer handle until all of the contents and air exit through the nozzle (minimum of 30
strokes).
3) Fill tank half way with water and pump the water out as explained in step 2 (repeat several times as
necessary).
Other Cleaning Hints:
• Improper spray distribution usually means the nozzle is clogged, remove the nozzle and clean it.
• Soap can be added to the water to clean the tank.
• Do not use strong cleaning agents or abrasives.
• If you use a chemical agent to clean the tank follow the manufacturer’s recommendations for the
disposal of the waste water.
• Follow the chemical manufacturers instructions for clean up.
5E
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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-off valve, wand and nozzle, to avoid liquid expansion and cracking in the sprayer components
(See “Cleaning” section). Lock the shut-off valve in the “open” position.
•
•
When service is required call your nearest dealer and always insist on original manufactured
replacement parts.
Inspect the hose, wand, pump, tank and shut-off valve for wear, damage or leaks on a regular basis
and repair defects promptly.
TROUBLE SHOOTING YOUR SPRAYER
Symptom
Possible Reason
Correction
Difficulty actuating the pump handle and/or
pump handle moves itself back up.
Upper valve plate sticks
Piston cylinder outlet passage clogged
Clean or replace valve plate
Clean piston cylinder outlet passage
Little or no resistance during
Damaged/worn/dirty/upper valve plate
Clean or Replace Valve Plate
repeated pumping – no pressure.
Damaged /worn upper o-ring on piston cylinder Replace O-ring
Piston Collar or piston cylinder
assembly is worn
Replace Collar or Piston cylinder assembly
Too much resistance after just a few
pumping strokes but pressure only lasts
briefly.
Not enough air cushion in the pressure
chamber
Release pressure in pressure chamber
Remove the hose & drain pressure
chamber. Reconnect the hose.
Upper valve plate damaged/worn/dirty
Clean or replace upper valve plate
Upward pumping action is more difficult
and/orpump handle moves itself backdown.
Vent hole is clogged
Lower valve plate sticks
Clogged intake filter
Clear the vent hole in cap
Clean or replace the valve plate
Clean the In-Tank filter and or removable
cartridge filter
Piston cylinder intake clogged
Clean piston cylinder intake
Leaks at Piston Cylinder
Damaged/worn/Dirty Collar
Damaged Piston Cylinder
Damaged Piston
Clean or Replace Piston Collar
Replace Piston Cylinder
Replace Piston
Shut-off leaks
Connections loose
Tighten connection
Worn or damaged shut-off
Rebuild or replace the shut-off valve
Wand assembly leaks
Nozzle assembly leaks
Connections loose
Damaged or worn o-ring/gasket
Tighten connection
Replace o-ring/gasket
Connections loose
Tighten connection
Damaged or worn o-ring/gasket
Replace o-ring/gasket
Leak between pump assembly
and tank
Pump clamp loose
O-ring worn or damaged
Tighten clamp
Replace pressure chamber oring
Hose leaking at tank outlet
Hose leaking at shut-off
Hose clamp loose
Tighten clamp
Connection loose
Damaged or worn o-ring/gasket
Tighten retaining nut
Replace o-ring/gasket
6E
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DISASSEMBLING AND REPAIRING THE PISTON PUMP
1) Remove the cotter pin and pump handle. With the pump facing towards you,
C
B
lay the unit on its back (Figure 1). Loosen the hose clamp and remove the
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: figure 9). Rotate the pump shaft in order to reach two lever bolts (A).
Using an allen wrench, remove the lever bolts. Pull the piston assembly (B) out
of the piston cylinder (C).
A
Figure 1
2) Remove the piston cylinder assembly by turning the piston cylinder
counter-clockwise when viewing the sprayer from the bottom. Caution: The
piston cylinder may have sharp edges.
Figure 2
Figure 3
Figure 4
3) Check for vertical scratches on the inside of the piston
cylinder and the piston. If one or both are scratched, replace
them.
Collar
4) To replace the collar, push it off of the crown of the
piston with your thumb. You will see form fitted slots
to install the new collar on to the piston crown.
Piston
Cylinder
5) There are 2 valve plates on the piston cylinder, one on the inside of
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
Phillipshead screw driver. The 2 o-rings can be removed and replaced as
well. Insure that the o-rings are positioned in the o-ring grooves in the
piston cylinder.
Intake
Upper
Valve
plate
Outlet
Passage
Lower
Valve plate
Figure 5
Pressure cylinder
base rib
6) Grease the 2 O-rings on the piston cylinder (do not get any grease on the
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.
Piston cylinder tab
Figure 6
7E
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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.
Figure 7
8) Insert the piston at an angle with the leading edge of the
collar placed over the slot in the piston cylinder. Bolt the piston
assembly to the pump shaft using the lever bolts.
Figure 8
Protective
Dust Cap
9) Replace the protective dust cap. Tighten the
nut and bolt. Reinstall the pump handle. Replace the hose
and firmly secure the hose clamp in place.
Figure 9
DISASSEMBLING AND REPAIRING THE PUMP ASSEMBLY
Only remove the pump assembly if the cartridge filter is clogged or the sprayer is leaking
between the pressure chamber o-ring and tank.
1. Release the pressure from the sprayer and remove all liquid from both the pressure chamber and tank.
2. Remove hose.
3. Remove the In-tank filter from the pressure cylinder (located inside the tank - fig. 1).
4. Remove 2 bolts attaching the pivot lever to the pump shaft and remove piston assembly (fig. 2a & 2b).
5. Remove the large clamp holding the pressure chamber and tank together (fig 1).
6. Rock the pressure chamber back and forth and push down to free it from the tank (fig 1).
7. Once freed the entire pump assembly can be removed by maneuvering it through the base frame
(fig 3a & 3b).
Pressure
Chamber o-ring
Clamp
In-tank Filter
Figure 2a
Pump
Assembly
Figure 1
Figure 2b
Figure 3a
Figure 3b
8E
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8. At this point the filter cartridge in the pressure chamber base can be
removed with pliers and cleaned (fig 4).
9. The pressure chamber o-ring can also be replaced. DO NOT stretch the
o-ring over the bottom flange. Assemble the o-ring over the top of the
chamber. Apply petroleum jelly to the o-ring before reinstalling pump
asembly into the tank (fig. 3b).
Figure 4
10. Reassemble backwards from step 7 thru 2, performing each step in
reverse. Note: there is a notch/tab combination in the pump
assembly/tank to be used for alignment (fig. 5).
Tank tab
Pump Assembly
Notch
Figure 5
DISASSEMBLING AND REPAIRING THE SHUT OFF VALVE
1) Assembled shut-off valve (Figure 1).
Figure 1
2) Remove the retaining pin (A) (Figure 2) place the notched
end of the retaining pin on a hard surface and push down.
Remove the retaining pin and slide the handle off the valve
stem.
A
Figure 2
Valve
Stem
3) Remove the retaining nut (o-ring attached), spring, and valve
stem (B) (Figure 3). Replace worn parts. Lubricate the O-rings and
reassemble by reversing the steps above. Place the handle groove
in the slotted area of the valve stem and make sure the locking clip
is positioned in the neutral position (see “Helpful Spraying
Information” section). Insert the retaining pin. Push down on the
handle a few times to distribute the lubricant evenly. Check filter
(C) in end of shut-off valve for debris. Remove filter and flush
with water to clean out.
B
C
Figure 3
9E
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REPLACEMENT PARTS ORDER INFORMATION
NOZZLE ASSEMBLY
99944100483
Poly
Adjustable
Nozzle
99944100482
Brass
Adjustable
Nozzle
99944100484
Flat Fan
Nozzle
99944100481
Filter
Replacement Kit
99944100485
Nozzle Kit
O-ring
99944100480
Wand
Assembly
Wand
Screw
Cap
Hose Washer
99944100479
Hose
Assembly
Retaining Nut
Hose
99944100478
Shut-off
Assembly
99944100477
Shut-off Valve
Repair Kit
10E
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REPLACEMENT PARTS ORDER INFORMATION
Upper
ValvePlate
Upper O-ring
99944100471
Piston Pump Repair Kit
Lower O-ring
99944100474
Piston
Collar-
Pump Piston
O-ring-
Pressure Chamber
Cylinder
Assembly
Valve Plate -
Piston
Cylinder
Piston
Collar
99944100475
Pump Piston
Assembly
O-ring-
Piston Cylinder
99944100473
Filter Basket &
Cap
Elbow O-ring
Nozzle Gasket
Hose Gasket
99944100486
O-ring Kit
Wand O-ring
99944100489
Pump Handle
99944100472
Straps
99944100488
Wand Clips
ECHO, INCORPORATED
400 Oakwood Road, Lake Zurich, IL 60047
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ECHO LIMITED WARRANTY STATEMENT FOR
SPRAYERS SOLD IN USA AND CANADA BEGINNING 01/01/2010
ECHO'S RESPONSIBILITY
ECHO Incorporated’s Limited Warranty, provides to the original end user purchaser that this ECHO product is free from defects
in material and workmanship. Under normal use and maintenance from date of purchase, ECHO agrees to repair or replace
at ECHO’s discretion, any defective product free of charge at any authorized ECHO servicing dealer within listed below
application time periods, limitations and exclusions. THIS LIMITED WARRANTY IS ONLY APPLICABLE TO ECHO PRODUCTS
SOLD BY AUTHORIZED ECHO DEALERS. IT IS EXTENDED TO THE ORIGINAL END USER PURCHASER ONLY, AND
IS NOT TRANSFERABLE TO SUBSEQUENT OWNERS. Repair parts and accessories replaced under this warranty are
warranted only for the balance of the original unit or accessory warranty period. Any damage caused by improper use,
modifications, installation or maintenance is not covered by this warranty. All parts or products replaced under warranty become
the property of ECHO, Inc. For a list of Authorized ECHO Dealers refer to WWW.ECHO-USA.COM or call 1-800-432-Echo.
OWNER’S RESPONSIBILITY
To ensure trouble free warranty coverage it is important that you register your Echo equipment on-line at WWW.ECHO-
USA.COM or by filling out the warranty registration card supplied with your unit. Registering your product confirms your warranty
coverage and provides a direct link if we find it necessary to contact you. The owner shall demonstrate reasonable care and
use, and follow preventative maintenance and storage Instructions, as prescribed in the Use & Care Manual. Should a product
difficulty occur, you must, at your expense, deliver or ship your ECHO unit to an authorized ECHO servicing dealer for warranty
repairs (within the applicable warranty period), and arrange for pick-up or return of your unit after the repairs have been made.
For your nearest authorized ECHO servicing dealer, call ECHO’s Dealer Referral Center, at 1-800-432-ECHO or you can locate
an ECHO servicing dealer at WWW.ECHO-USA.COM. Should you require assistance or have questions concerning ECHO’s
Warranty Statement, you can contact our Consumer Product Support Department at 1-800-432-ECHO or contact us through
the web at WWW.ECHO-USA.COM.
PRODUCT WARRANTY PERIOD
RESIDENTIAL APPLICATION
• 5 YEAR WARRANTY - All units for residential, or non-income producing use will be covered by this limited warranty for five
(5) years from date of purchase.
EXCEPTIONS:
• Damage caused by:
Failure to follow Use & Care Manual
• Failure to follow all chemical manufacturers’ instructions included on their label or elsewhere
• Failure to follow Storing/Maintaining Your Sprayer section in Use & Care manual
Use of powder based chemicals with or in a piston pump sprayer
Wear items including but not limited to: seals, gaskets, pistons, hoses, diaphragms, straps or any wear item. These items are
covered for 90 days from date of purchase.
Any mis-use of product is not covered including but not limited to: using un-approved chemicals or parts, un-approved uses,
using damaged or missing units/parts during operation, or modifying your sprayer in any manner.
COMMERCIAL APPLICATION
• 2 YEAR WARRANTY - All units for commercial, institutional, agricultural, industrial, or income producing use will be covered
by this limited warranty for two (2) years from the date of purchase.
EXCEPTIONS:
• Failure to read and follow Use & Care Manual
• Failure to follow all chemical manufacturers’ instructions included on their label or elsewhere
• Failure to follow Storing/Maintaining Your Sprayer section in Use & Care Manual
Use of powder based chemicals with or in a piston pump sprayer
Wear items including but not limited to: seals, gaskets, pistons, hoses, diaphragms, straps or any wear item. These items are
covered for 30 days from date of purchase.
Any mis-use of product is not covered including but not limited to: using un-approved chemicals or parts, un-approved uses,
using damaged or missing units/parts during operation, or modifying your sprayer in any manner.
RENTAL APPLICATION - 90 DAYS WARRANTY
• Units for rental use will be covered against defects in material and workmanship for a period of 90 days from the date of
purchase except for any of the above listed EXCEPTIONS.
PURCHASED REPAIR PARTS AND ACCESSORIES
90-day residential or non-income producing warranty except for any one of the above listed EXCEPTIONS
• 30-day commercial, institutional, agricultural, industrial, income producing, or rental application warranty except for any one
of the above listed EXCEPTIONS
YOUR RECEIPT OF PURCHASE INCLUDING DATE, MODEL AND SERIAL NUMBER MUST BE MAINTAINED AND
PRESENTED TO AN AUTHORIZED ECHO SERVICING DEALER FOR WARRANTY SERVICE. PROOF OF PURCHASE
RESTS SOLELY WITH THE CUSTOMER. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU. SOME STATES DO NOT ALLOW THE
EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO YOU MAY ALSO HAVE OTHER
SPECIFIC LEGAL RIGHTS WHICH VARY FROM STATE TO STATE. THIS LIMITED WARRANTY IS GIVEN BY ECHO
INCORPORATED, 400 OAKWOOD RD., LAKE ZURICH, IL 60047.
DISCLAIMER OF IMPLIED WARRANTIES
THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER EXPRESSED OR IMPLIED WARRANTIES, INCLUDING ANY
WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE AND ANY IMPLIED WARRANTY OF MERCHANTABILITY
OTHERWISE APPLICABLE TO THIS PRODUCT. ECHO AND ITS AFFILIATED COMPANIES SHALL NOT BE LIABLE FOR
ANY SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGE, INCLUDING LOST PROFITS. THERE ARE NO WARRANTIES
EXTENDED OTHER THAN AS PROVIDED HEREIN. THIS LIMITED WARRANTY MAY BE MODIFIED ONLY BY ECHO.
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