Backpack Sprayer
Backpack Sprayer
Use and Care Manual
BACKPACK
SPRAYER
CAUTION: Read and follow all instructions
Do Not Return This Backpack To The Store
For Help, Information or Parts, Call : 1-800-311-9903
The Fountainhead Group, Inc.
23 Garden St., New York Mills, NY 13417
1-800-311-9903
www.TheFountainheadGroup.com
Manual No. 181702
Rev F. 02/02/12
ECN11-023
5 1/2” x 8 1/2” Booklet
SAFETY PRECAUTIONS
• Read owner’s manual completely before operating this sprayer.
• Always use goggles, gloves, and protective clothing when using sprayer.
• Read and follow all instructions and cautions on label of products used in this sprayer.
• Never use flammable liquids, caustics, acids, or hot water in this tank.
• Do not leave sprayer in the sun when not in use.
• Spray when air is calm to prevent drift of chemicals.
• Do not use sprayer near open flame or anything that could cause ignition of the spray.
• Always inspect hose and all hose connections before each use. A damaged hose, or loose hose
connection can result in unintended exposure to the pressurized chemical, resulting in serious injury or
property damage.
• Do not lift or carry sprayer by the hose, shut-off valve, or wand extension. Carry by the handle only.
• Do not pressurize with any mechanical device such as an air compressor, since this can create a
dangerous pressure level and bursting of parts resulting in serious injury. Only use original pump.
• Do not store chemicals in this tank.
• Always release pressure when sprayer is not in use and before performing any maintenance.
• Clean and rinse sprayer thoroughly after each use.
• Never attempt to alter sprayer from original condition.
• Always use replacement parts from original manufacturer.
• Keep the sprayer and all chemicals out of the reach of children.
CAUTION
Always empty, clean and dry tank, pump system, shut-off, hose, and extension after each use. FAILURE TO
DO SO MAY WEAKEN SPRAYER COMPONENTS, CAUSING COMPONENTS TO RUPTURE WHEN PRESSURIZED.
Additionally, FAILURE TO CLEAN AND PROPERLY MAINTAIN YOUR SPRAYER WILL VOID MANUFACTURER’S
WARRANTY.
WARNING
The sprayer is operated with liquid under pressure. Failure to observe caution and to follow instructions for
operating and cleaning can cause tank, hose and other parts to be weakened and rupture under pressure.
This can result in serious injury from high pressure discharge of liquids or forcible ejection of parts. Do not
use flammable materials in this sprayer. Material could ignite or explode, causing serious injury and/or
possible death. For safe use of this product, you must read and follow all instructions before use.
TEST SPRAYER WITH WATER BEFORE USING ANY CHEMICALS.
Do not return sprayer to store, if you experience problems or have questions contact
our toll free Customer Service Center, M-F 8AM - 5PM, EST, at 1-800-311-9903, or
e-mail: [email protected], or access online at: www.TheFountainheadGroup.com.
Page 1
ASSEMBLY INSTRUCTIONS
Assemble Extension, Shut-Off, Nozzle and Spray
Optimizer
1. Install the extension “wand” onto the shut-off
assembly and tighten the nut securely. (See Figure A)
2. (Optional) Install Spray Optimizer for low pressure (low
drift) applications. This will help prevent weed killer
formulas from drifting into undesired areas. (Do not
over tighten, actual position will vary. See Figure B)
3. Install selected nozzle onto the end of the extension
or optimizer (if installed) and tighten securely.
(See Figure C)
Figure B
(Optional)
Figure A
Figure C
SELECT USING NOZZLE CHART BELOW
(Nozzle selections vary by model)
A
C
D
ADJUSTABLE CONE USES:
F
B
E
G
Spot spraying in or around flower
beds, trees, and shrubs.
Edging along fences, driveways,
and walkways.
Killing brush such as poison ivy,
poison oak, kudzu and wild
blackberry.
Preparing garden beds for
planting of ornamentals and
vegetables.
FAN NOZZLE USES:
Lawn replacement. Kill lawn
and weeds before planting a
new lawn.
Preparing large areas for
planting of ornamental and
vegetable gardens.
FOAMING NOZZLE USES:
Spot spraying in flower beds,
walkways, driveways, and
patios, around trees and shrubs.
Edging along fences, driveways
and walkways.
Killing brush such as poison
ivy, poison oak, kudzu and wild
blackberry.
A. Cap Nut
B. Foaming Nozzle
C. Adjustable Cone Nozzle
D. Fan Nozzle
E. Flat Seal
F. Adapter
G. Extension
Assemble Pump Handle
Slide handle onto shaft and line up holes. Thread bolt through handle
and shaft and securely tighten. Thread on lock nut and tighten using
a 13mm (or adjustable) wrench. Handle can be mounted on left or
right depending on user preference. (See Figure D)
Figure D
Folding Handle (included on some models)
1. Thread bolt through handle
and shaft as stated above.
2. Snap strap around
handle.
3. Handle shown in
folded position.
Page 2
OPERATING INSTRUCTIONS
Always conduct a test using cool, clean water before mixing chemicals.
Filling
Always refer to chemical manufacturer for proper mixture.
1. Remove the cap from the tank.
2. Make sure the filter basket is in place in the neck of the tank. The
filter basket includes the seal and must be in place to prevent leaks.
3. Fill the tank with cool water and chemical to the desired level.
4. Reinstall the cap.
Pressurizing and Spraying
1. To begin pressurizing, be sure shut-off lever is not depressed. Pump handle
up and down in a smooth motion (See Figure E). Operating pressure is
reached when pumping becomes difficult, which is no more than
5-7 full pumps. (Do not over-pressurize)
2. Direct nozzle away from you and squeeze shut-off lever to begin spraying.
3. To maintain pressure while spraying, operate pump handle every 8 sec.
or as needed.
4. For continuous spraying, squeeze lever and rotate lock. (See Figure F)
5. Unlock if needed and release shut-off lever to stop spraying.
Figure E
LEVER
Figure F
Cleaning
1. Fill the tank with cool, clean tap water. Replace the cap and
tighten securely. (Never use hot water for cleaning)
2. Agitate the tank to rinse the chemical from the tank walls.
3. Remove the cap and empty the contents into gravel or bare soil.
4. Refill the tank with clean tap water. Replace the cap and tighten securely.
5. Pressurize the tank as described in the Pressurizing and Spraying section.
6. Direct the nozzle away from you and activate the shut-off for at least 30 seconds to clean the
pressure chamber, hose and shut-off.
7. Remove the cap and empty the contents into gravel or bare soil.
8. Repeat steps 4 - 7 until thoroughly cleaned. Remove nozzle when flushing pump system. Clean nozzle
before replacing.
Sprayer Storage
1. Never store sprayer with pressure in chamber or liquid in any part of sprayer.
2. Sprayer tank should be hung upside down, with the cap removed, to dry completely.
3. Do not store or leave any solution in the tank after use.
4. Store in a warm, dry location out of direct sunlight.
5. Keep the sprayer and all chemicals out of the reach of children.
page 3
MAINTENANCE
Tank Maintenance
1. After each use, rinse the tank with cool, clean water.
2. Check the check valve (See Figure G) and filter basket gasket. (See Figure H)
Make sure they do not show signs of wear and are operating properly.
Replace them as required.
3. Clean any dirt or debris from the filter basket.
4. Periodically check the straps for fraying.
Replace them as required.
Figure G
Figure H
Shut-off Maintenance (Smith Pro)
Always depressurize sprayer before maintenance
by activating shut-off and spraying contents out.
1. Unscrew the handle from the shut-off assembly.
2. Remove the filter from the shut-off assembly.
3. Clean any debris from inside the handle,
shut-off assembly, or the filter by rinsing with
cool, clean water.
4. Reassemble the components as shown and
tighten all connections securely.
C
C
AA
BB
A. Handle
B. Filter
C. Shut-off Assembly
Nozzle Maintenance
1. If nozzle clogs, remove and disassemble the nozzle assembly.
2. Clean the openings of any obstructions and reassemble.
Pressure Chamber Maintenance
WARNING: Always depressurize sprayer before
cleaning or replacing pressure chamber by activating
shut-off and spraying out all pressure.
1. Remove the tank cap and strainer (See Figure I).
2. Reach into the tank and turn the chamber 1/4 turn
counterclockwise (See Figure J) to unlock the chamber
from the pump then remove chamber from tank
(See Figure K).
3. Rinse out any debris that may have accumulated in
the chamber.
4. Reinstall the chamber into the pump by aligning the
tabs on the chamber with the slots in the pump, push
firmly into pump and turn clockwise until pump stops.
5. Reinstall the strainer and tank cap (See Figure L).
Figure I
Figure J
Figure K
Figure L
Included with some models:
Figure I2
Figure J2
Figure K2
Figure L2
Counter-Clockwise
Clockwise
High Capacity Pressure Chamber
(for longer spray duration)
6. Using figures I2 - L2 as a reference, follow steps 1 - 5 in
Pressure Chamber Maintenance section above.
Counter-Clockwise
Clockwise
Page 4
SERVICING INSTRUCTIONS
Prior to servicing and/or repairs.
1. Empty contents of tank.
2. While squeezing shut-off, pump sprayer until all liquid is expelled.
3. Continue squeezing shut-off without pumping to release all air pressure.
4. You will find all parts for servicing primary seals and gaskets to be included in KIT #24.
Tank Servicing Steps
1. Unscrew cap from tank. Remove and replace check valve. (See Figure 1)
2. Remove pressure chamber as outlined in Pressure Chamber Maintenance section of the manual.
Remove and replace o-ring. Lubricate o-ring with petroleum jelly. (See Figure 2)
3. Unsnap agitator from piston rod. Remove from tank. (See Figure 3)
Figure 1
Figure 2
Figure 3
4. Position pump handle to the furthest downward position.
Remove pump handle from sprayer. (See Figure 4)
5. Disassemble carry handle by removing the (6) screws. (See Figure 5)
6. Remove hitch pin and lift pivot clip off of the piston rod. (See Figure 6)
Figure 4
Figure 5
Figure 6
page 5
SERVICING INSTRUCTIONS CON’T
7. Pull upward to slide piston rod out of pump. (See Figure 7)
8. While holding onto the pump, use an adjustable wrench to unthread pump nut from pump.
Remove nut, hose and barb assembly. (See Figure 8)
9. Inspect (2) o-rings on barb assembly. If damaged, replace hose assembly. (See Figure 9)
Figure 7
Figure 8
Figure 9
10. Remove pump out of tank. Remove and replace gasket. (See Figure 10)
11. Slide piston rod assembly down and out of grommet and remove from tank. (See Figure 11)
12. Carefully remove and replace o-ring from piston. Lubricate o-ring with petroleum jelly. (See Figure 12)
Figure 10
Figure 11
Figure 12
13. Remove grommet from tank using pliers to grasp the head of the grommet while flexing the
grommet out of the hole in the tank. Press or tap new grommet into tank. Lubricate
hole in grommet with petroleum jelly. (See Figure 13)
14. Insert piston rod assembly into tank and through grommet. (See Figure 14)
15. Reassemble pump with gasket into tank. (See Figure 15) for correct orientation. Tighten pump nut
securely with adjustable wrench while holding pump to maintain correct orientation. Push
piston assembly into pump.
Figure 13
Figure 14
Figure 15
page 6
SERVICING INSTRUCTIONS CON’T
16. Attach pivot clip to piston rod and insert hitch pin. Note orientation of piston rod must match the pivot
clip. (See Figure 16)
17. Reassemble carry handle onto tank. Tighten all (6) screws. (See Figure 5)
18. To reinstall the agitator, line the notch up on the agitator with the swedge on piston rod and snap
into place. (See Figure 17)
19. Reinstall pressure chamber as outlined in the Pressure Chamber Maintenance section. (See Figure 18)
Figure 16
Figure 17
Figure 18
20. Replace tank cap, filter (See FIgure 19) and pump handle (See Figure 4).
Figure 19
Harness Installation
1. For each side, remove the small plastic clips
from the two shoulder strap loops and thread
each loop through the slots at the top of the
carry handle. Replace the clips through the
loops and pull strap securing the two shoulder
straps in place. (See Figure 20)
2. To install lower end of the straps, remove strap
from top portion of buckles and place around
the foot stand, starting from underneath.
(See Figure 21)
Figure 20
Figure 21
3. Loop strap through the first section of buckle.
(See Figure 22)
4. Next loop strap through other section of buckle
and tighten (See Figure 23). Adjust the
shoulder pads and strap length for a
comfortable fit.
Figure 22
Figure 23
page 7
TROUBLESHOOTING
TROUBLE
LOOK FOR
REMEDY
Sprayer starts to spray when
pumping or sprayer will not stop
spraying when shut-off lever is
released.
Shut-off lock is engaged.
Sprayer will not build pressure.
1. Install pressure chamber as
described in Pressure
1. Pressure chamber (#2 or #2A)
Chamber Maintenance section.
installed into pump (#3).
2. Clean and lubricate or
2. Dirty, damaged or worn pump
replace o-rings as described
or chamber o-ring (#24A).
in Servicing section.
3. Dirty poppet in pump.
3. Clean sprayer as described in
Cleaning section.
Squeeze shut-off lever and
disengage the lock. See
Pressurizing and Spraying section.
Sprayer will not spray.
1. Sprayer pressurization.
2. Shut-off clogged.
3. Nozzle clogged.
1. Pressurize sprayer as described
in Pressurizing and Spraying
section.
2. Clean shut-off as described in
Shut-off Maintenance section.
3. Clean nozzle as described in
Nozzle Maintenance section.
Sprayer leaks from the bottom of
the tank.
1. Loose pump nut.
2. Damaged or worn o-rings or
seals (#16 or kit #24).
1. Tighten pump nut as described
in Servicing section.
2. Replace o-rings and seals as
described in Servicing
section.
Sprayer leaks where piston rod
enters top of the tank.
Dirty, damaged, or worn
grommet (#24C).
Clean and lubricate hole in grommet or replace grommet as described in Servicing section.
Hose leaks at tank connection.
Cracked, swollen or faulty hose.
Replace shut-off assembly.
Hose leaks at shut-off.
Cracked, swollen or faulty hose.
Replace shut-off assembly.
1. Swollen or damaged pump
piston o-ring. (#24D)
Pump handle is difficult to operate.
2. Dirty, dry or damaged
grommet (#24C).
1. Clean and lubricate or replace
o-ring as described in
Servicing section.
2. Clean and lubricate hole in
grommet or replace grommet
as described in Servicing
section.
Nozzle drips when shut-off lever is
released.
1. Dirt or debris in shut-off valve
2. Damaged o-ring or seal in
shut-off (kit #23).
1. Clean shut-off as described in
Shut-off Maintenance section.
2. Service shut-off seals as
described in Maintenance
service kit #23.
Nozzle tip leaks, poor spray
pattern, partial spray or complete
stoppage.
1. Flat seal is missing or
damaged.
2. Spray extension or nozzle
clogged.
1. Replace flat seal at extension
tip (kit #23).
2. Remove nozzle and clean as
described in Nozzle
Maintenance section.
page 8
KITS, PARTS & ACCESSORIES
14
19A
13
19B
KIT #19
KIT #20
20A
2
20B
3
18I
2A
10
24A
21A
KIT #21
24C
11
18A
9
24B
1
21B
21D
8
7
21C
24D
18B
21E
KIT #22
18E
22B
22A
18D
12
23D
18C
5
22D
22F
4
18A
6
22C
23A
15
23B
27
23C
22E
17
KIT #23
23A
23B
24E
23D
18H
24D
18G
18F
16
23E
KIT #24
24A
24C
23F
KIT #25
23C
23E
25A
24B
25F
25B
25E 25C
25D
KIT #26
26B
26C
26E
26A
26F
26D
page 9
KEY# PART# DESCRIPTION
1
2
2A
3
4
5
6
7
8
9
10
11
181700
171443
181775
181117
181635
181653
181654
181954
181669
181665
181641
181648
TANK ASSEMBLY
RESERVOIR / CHAMBER
HIGH CAPACITY RESERVOIR / CHAMBER
PUMP
DRIVE SUPPORT SHROUD
LEFT BUSHING
RIGHT BUSHING
DRIVE LEVER ASSEMBLY
PUMP PISTON ASSEMBLY
STANDARD AGITATOR
PIVOT CLIP
BACK HANDLE
12
13
14
15
16
181826
181659
181889
181824
181925
17
181649
PRESSURE REGULATOR (25 PSI)
SHOULDER HARNESS (STANDARD)
SHOULDER HARNESS (DELUXE)
21” WAND ASSEMBLY
SHUT-OFF ASSEMBLY, SMITH PRO
(BACKPACK VER.)
SHROUD ROD
KIT #18 181955 HARDWARE KIT
18A
18B
18C
18D
18E
181529
181716
181905
181908
181906
SCREW, UPPER HANDLE (4) & SHROUD (2)
SCREW, LOWER HANDLE (2)
DRIVE LEVER BOLT (2)
DRIVE LEVER LOCK WASHER (2)
DRIVE LEVER FLAT WASHER (2)
18F
18G
18H
18I
181651
181684
181650
181673
SHROUD SCREW (2)
SHROUD WASHER (2)
SHROUD SPACER (2)
HITCH PIN
KIT #19 181446 CAP ASSEMBLY KIT
19A
19B
181444
171015
TANK CAP
CHECK VALVE
181445
181519
FILTER BASKET GASKET
FILTER BASKET
KIT #21 181788 BOLT-ON PUMP HANDLE KIT
(STANDARD)
21A
21B
21C
21D
21E
181761
181754
181753
181756
181757
22A
22B
22C
22D
22E
22F
181647
181755
181753
181756
181757
181772
GRIP
FOLDING PUMP HANDLE ASSEMBLY
BOLT-ON DRIVE SHAFT
BOLT
LOCK NUT
RETAINER STRAP
KIT #23 181910 SMITH PRO SHUT-OFF SERVICE
KIT
23A
23B
23C
23D
23E
23F
181840
181493
181468
181812
181810
181805
POPPET SEAL
VALVE BODY O-RING
FILTER
FLAT NOZZLE SEAL (2)
WAND O-RING
ADJUSTABLE NOZZLE O-RING
KIT #24 181909 BACKPACK SERVICE KIT
24A
24B
24C
24D
24E
171488V
171740
181668
171487V
171015
RESERVOIR / CHAMBER O-RING
PUMP GASKET
TANK GROMMET
PISTON O-RING
CHECK VALVE
KIT #25 181869 POLY NOZZLE KIT
25A
25B
25C
25D
25E
25F
181822
180168
180097
180266
181812
181804
POLY ADJUSTABLE NOZZLE
YELLOW FLAT FAN NOZZLE (LOW VOLUME)
RED FLAT FAN NOZZLE (HIGH VOLUME)
FOAMING NOZZLE
FLAT NOZZLE SEAL
NOZZLE CAP NUT
KIT #26 181870 BRASS NOZZLE KIT
KIT #20 181564 FILTER BASKET ASSEMBLY KIT
20A
20B
KIT #22 181789 BOLT-ON PUMP HANDLE KIT
(FOLDING)
GRIP
BOLT-ON PUMP HANDLE
BOLT-ON DRIVE SHAFT
BOLT
LOCK NUT
26A
26B
26C
26D
26E
26F
181823
180168
180097
180266
181812
181804
BRASS ADJUSTABLE NOZZLE
YELLOW FLAT FAN NOZZLE (LOW VOLUME)
RED FLAT FAN NOZZLE (HIGH VOLUME)
FOAMING NOZZLE
FLAT NOZZLE SEAL
NOZZLE CAP NUT
KIT #27 181825 14 PSI PRESSURE REGULATOR KIT
27
181825
14 PSI PRESSURE REGULATOR ASSEMBLY
NOTE: 19B and 24E reference same part.
23D, 25E and 26E reference same part.
page 10
SERVICE KITS, PARTS & ACCESSORIES ARE AVAILABLE BY CONTACTING
The Fountainhead Group, Inc. - Customer Service Center
Monday - Friday 8 a.m. - 5 p.m., EST
Toll Free: 1-800-311-9903
or
e-mail: [email protected]
or
Access online at: www.TheFountainheadGroup.com
page 11
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