Harbor Freight 4 Gal Backpack Sprayer Product Manual
2015-05-27
: Harbor-Freight Harbor-Freight-4-Gal-Backpack-Sprayer-Product-Manual-724171 harbor-freight-4-gal-backpack-sprayer-product-manual-724171 harbor-freight pdf
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Page Count: 12
Page 2 For technical questions, please call 1-800-444-3353. Item 61368
WARNING SYMBOLS AND DEFINITIONS
This is the safety alert symbol. It is used to alert you to potential
personal injury hazards. Obey all safety messages that
follow this symbol to avoid possible injury or death.
Indicates a hazardous situation which, if not avoided,
will result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate injury.
Addresses practices not related to personal injury.
IMPORTANT SAFETY INFORMATION
Read all safety warnings and instructions.
Failure to follow the warnings and instructions may result in serious injury.
Work Area
1. Keep your work area clean and well lit.
Cluttered dark areas invite accidents.
2. The work area should have adequate
drainage to reduce the possibility of
a fall due to slippery surfaces.
3. Keep bystanders, children, and visitors
away while operating the Sprayer.
Distractions can cause you to lose control.
Personal Safety
1. Follow all guidelines regarding
chemicals sprayed, including MSDS
instructions and EPA regulations.
2. If the amount of weight you can lift safely
is limited, do not fill the Tank completely
to prevent strain and injury.
3. Stay alert. Watch what you are doing and use
common sense when operating the Sprayer.
Do not use the Sprayer while tired or under
the influence of drugs, alcohol, or medication.
A moment of inattention while operating the
Sprayer may result in serious personal injury.
4. Dress properly. Do not wear loose
clothing or jewelry. Contain long hair.
5. Do not overreach. Keep proper
footing and balance at all times.
Proper footing and balance enable better
control of the tool in unexpected situations.
6. Always wear eye protection.
Wear ANSI-approved safety goggles.
Page 3For technical questions, please call 1-800-444-3353.Item 61368
Use
1. Use only for water or water-based fertilizers,
herbicides, pesticides and sealers. Do not use
to spray combustible or corrosive chemicals.
2. Do not point the Sprayer at yourself,
other people or animals.
3. Industrial applications must follow
OSHA requirements.
4. Make sure the liquid used in the
Sprayer is not dirty or sandy.
5. This product is not a toy. Do not allow
children to play with or near this item.
6. Use as intended only.
7. Inspect before every use; do not use
if parts are loose or damaged.
8. Maintain product labels and nameplates.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
9. The warnings and cautions discussed in this
manual cannot cover all possible conditions
and situations that may occur. The operator
must understand that common sense and
caution are factors that cannot be built into this
product, but must be supplied by the operator.
Service
1. Have your Sprayer serviced by a qualified repair
person using only identical replacement parts.
This will ensure that the safety of
the tool is maintained.
2. Store idle tools and equipment out of
reach of children and other untrained
people. Tools and equipment are dangerous
in the hands of untrained users.
3. Maintain the Sprayer with care. Keep
this product clean. A properly maintained
Sprayer is easier to control.
SAVE THESE INSTRUCTIONS.
Page 4 For technical questions, please call 1-800-444-3353. Item 61368
Specifications
Tank Capacity 4 Gallons
Empty Weight 6.4 lb
Full Weight 40.4 lb
Components and Controls
Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near
the end of this manual.
Shoulder
Strap
Trigger
Tank
Hose
Tank
Lid
Pump
Nozzle
Trigger
Lock
Pump
Handle
Lock
Pump
Handle
Figure A
Page 5For technical questions, please call 1-800-444-3353.Item 61368
Assembly Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this document
including all text under subheadings therein before set up or use of this product.
Assembling the Wand
1. Insert end of Wand into end of
Wand Handle Assembly.
2. Slide Hose Nut (27) over threaded end of
Handle, then tighten Hose Nut securely.
Wand
Handle
Assembly
Hose
Nut
Wand
Figure B
Changing the Nozzle
1. Loosen Hose Nut (27) and remove Single
Nozzle (53) from end of Wand.
2. Choose another Nozzle:
a. Double Nozzle (54)
b. Fan Nozzle (55)
c. Sprinkler Nozzle (56)
3. Slide Nozzle over end of Wand, slide Hose Nut over
threads of Nozzle, then tighten Hose Nut securely.
Single
Nozzle
Hose
Nut
Double
Nozzle
Fan
Nozzle
Sprinkler
Nozzle
Wand
Figure C
Pump Handle Orientation
To change the side that the Pump Handle is on:
1. Pass the end of the Strap through the
back of the Buckle, then around the bar
until it is free. (See Figure D.)
2. Route the Strap to the other side of the
Tank, then reattach the Strap.
3. Do this to both Straps.
Bar
Figure D
Page 6 For technical questions, please call 1-800-444-3353. Item 61368
Operating Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this document
including all text under subheadings therein before set up or use of this product.
WARNING! Follow all guidelines regarding
chemicals sprayed, including MSDS
instructions and EPA regulations.
CAUTION! If the amount of weight you
can lift safely is limited, do not fill the Tank
completely to prevent strain and injury.
1. Remove Tank Lid and fill Tank, through
a strainer (sold separately), no higher
than top fill line. Replace Tank Lid.
2. Disengage the Pump Handle from
the Pump Handle Lock.
Pump
Handle
Lock
Pump
Handle
Figure E
3. Strap the Sprayer to your back.
4. Raise and lower the Pump handle to
build up sufficient pressure.
5. Adjust Shoulder straps as needed.
6. Point the Nozzle toward the area to be sprayed,
then depress the Trigger to begin spraying.
7. For continuous spray, press the Trigger
down and push the Trigger Lock back, then
release the Trigger. To stop continuous spray,
press the Trigger down and push the Trigger
Lock forward, then release the Trigger.
Trigger
Trigger
Lock
Trigger Lock On
Trigger
Trigger
Lock
Trigger Lock Off
Figure F
8. As you spray, the Sprayer will depressurize.
When decreased pressure is affecting spray
pattern, pump the Pump Handle until proper
pressure is achieved, then resume spraying.
9. When finished spraying:
a. Point Wand is safe direction and depressurize
the Tank by pressing down on the Trigger.
b. Dispose of liquid according to
manufacturer guidelines.
c. Clean the Sprayer according to
Maintenance Instructions.
Page 7For technical questions, please call 1-800-444-3353.Item 61368
Inspection, Maintenance, and Cleaning
Procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM PRODUCT FAILURE:
Do not use damaged equipment. If abnormal noise, vibration, or
leaking air occurs, have the problem corrected before further use.
Follow all guidelines regarding chemicals sprayed, including MSDS instructions and EPA regulations.
1. BEFORE EACH USE, inspect the general
condition of the Sprayer. Check for:
• loose hardware,
• misalignment or binding of moving parts,
• cracked or broken parts, and
• any other condition that may
affect its safe operation.
2. AFTER EVERY USE, Clean the Sprayer:
a. Flush with water.
b. Clean Nozzle, Wand Handle Filter (33)
and Tank Filter (21).
c. Rinse with water and allow to
air-dry with the Tank open.
3. PERIODICALLY, lubricate all moving parts of
the pump assembly with petroleum jelly.
4. Store the Sprayer in a safe, dry, clean location
out of reach of children and out of sunlight.
™
Page 8 For technical questions, please call 1-800-444-3353. Item 61368
Troubleshooting
Problem Possible Causes Likely Solutions
Unit does not spray
1. Not enough liquid in tank.
2. Sprayer not pressurized.
3. Tank Lid loose.
4. Hose Nuts loose.
5. Pump Lid (12) loose.
6. Spray fluid contains particles or
sand.
7. Nozzle and/or Filter clogged
with mineral buildup.
1. Add liquid to tank.
2. Pump Handle to pressurize Sprayer.
3. Tighten Tank Lid.
4. Tighten Hose Nuts.
5. Tighten Pump Lid.
6. Disassemble, clean, then reassemble
Nozzle and/or Wand Handle and
Tank Filters. Empty, clean, then refill
Tank with properly strained fluid.
7. Disassemble, clean, then reassemble Nozzle
and/or Wand Handle and Tank Filters.
Spray pattern is undesirable
1. Spray fluid contains particles or
sand.
2. Nozzle and/or Filter clogged
with mineral buildup.
1. Disassemble, clean, then reassemble
Nozzle and/or Wand Handle and
Tank Filters. Empty, clean, then refill
Tank with properly strained fluid.
2. Disassemble, clean, then reassemble Nozzle
and/or Wand Handle and Tank Filters.
Follow all safety precautions whenever diagnosing or servicing the Sprayer.
™
Page 9For technical questions, please call 1-800-444-3353.Item 61368
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
Record Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and
are not available individually as replacement parts.
™
Page 10 For technical questions, please call 1-800-444-3353. Item 61368
Parts List and Diagram
Parts List
Part Description Qty
1 Pump Handle Clip 1
2 Pump Handle Lock 1
3 Pump 1
4 Bowl 1
5 Sealing Ball 1
6 O-Ring (15.5 x 2.5) 1
7 Sealing Ball Seat 1
8 Pump Handle Cover 1
9 Split Pin 1
10 Connecting Rod 1
11 Pump Handle 1
12 Pump Lid 1
13 Pump Sealing Washer 1
14 Pump Cylinder 1
15 O-Ring (57 x 3.1) 1
16 Tank 1
17 E Clip 1
18 Lock Pin 2
19 Tank Base 1
20 Shoulder Strap Buckle 2
21 Tank Filter 1
22 Gasket 1
23 Tank Lid 1
25 Air Intake Plug 1
26 Hose 1
27 Hose Nut 4
28 Hose Cover 2
29 Hose Insert 2
30 Wand Handle 1
Part Description Qty
31 Trigger Lock 1
32 Trigger Pin 1
33 Wand Handle Filter 1
34 Sealing Ring 1
35 Trigger Body 1
36 Trigger Sealing Pad 1
37 Valve Core O-Ring 1
38 Valve Core 1
39 Spring 1
40 Trigger Nut 1
41 Trigger 1
42 Shoulder Pad 2
43 Shoulder Strap 2
44 Wand 1
45 Shoulder Strap Buckle 2
46 Shoulder Strap Hook 1
47 Split Sleeve 2
48 O-Ring 2
49 Joint 1
50 Nozzle Sealing Ring 2
51 Divider Plate 1
52 Nozzle Plate 1
53 Single Nozzle 1
54 Double Nozzle 1
55 Fan Nozzle 1
56 Sprinkler Nozzle 1
57 Spare Parts Kit (Includes Parts
2, 17, 27, 47x2, not shown) 1
58 Seal Kit (not shown) 1
1
53 Spray Head Nut 1
54 Double Spray Head 1
55 Fan Style Spray Head 1
56 Adjustable Spray Head 1
57 Extension Arm 1
58 Conical Spray Head 1
Page 11For technical questions, please call 1-800-444-3353.Item 61368
Assembly Diagram
55
56
53
51
50
49
52
47
31
40
41 30
19
18
29
29
28
28
27
27
27
47
48
27 26
18 17
11
10
7
6
5
4
46
45
43
42
20
3
2
1
8
16
9
12
13
15
14
32
38
36
37
35
33
34
39
23
25
22
21
44
54
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards,
and warrants to the original purchaser that this product is free from defects in materials and workmanship for the
period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly,
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper
installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries
to persons or property, or for incidental, contingent, special or consequential damages arising from the use of
our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the
above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with transportation charges
prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise.
If our inspection verifies the defect, we will either repair or replace the product at our election or we may
elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
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