Harbor Freight Tools 94573 User Manual
BACKPACK SPRAYER
12 VOLT - 4.8 GAL. CAPACITY
Model
94573
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2006 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Manual Revised 10d
SAVE THIS MANUAL
Keep this manual for the safety warnings
and precautions, assembly, operating,
inspection, maintenance and cleaning
procedures. Write the product’s serial number
in the back of the manual near the assembly
diagram (or month and year of purchase if
product has no number). Keep this manual
and the receipt in a safe and dry place for
future reference.
IMPORTANT SAFETY
INFORMATION
In this manual, on the labeling, and
all other information provided with
this product:
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.
DANGER indicates a
hazardous situation
which, if not avoided, will result
in death or serious injury.
WARNING indicates a
hazardous situation
which, if not avoided, could
result in death or serious injury.
CAUTION, used with
the safety alert
symbol, indicates a hazardous
situation which, if not avoided,
could result in minor or moderate
injury.
NOTICE is used to
address practices not
related to personal injury.
CAUTION, without the
safety alert symbol, is
used to address practices not
related to personal injury.
GENERAL SAFETY RULES
WARNING Read all safety warnings
and instructions. Failure to follow the
warnings and instructions may result
in electric shock, re and/or serious
injury.
Save all warnings and instructions
for future reference.
WORK AREA
Keep your work area clean and well 1.
lit. Cluttered and dark work areas invite
accidents.
Keep bystanders, children, and 2.
visitors away while operating the
Sprayer. Distractions can cause you to
lose control.
PERSONAL SAFETY
Stay alert. 1. Watch what you are doing,
and use common sense when operating
a power tool. Do not use the Sprayer
while tired or under the inuence of
drugs, alcohol, or medication. A moment
of inattention while operating power tools
may result in serious personal injury.
Dress properly. 2. Do not wear loose
clothing or jewelry. Contain long hair.
Keep your hair, clothing, and gloves
away from moving parts. Loose clothes,
jewelry, or long hair can be caught in
moving parts.
Page 2 For technical questions, please call 1-800-444-3353. SKU 94573
Do not overreach. 3. Keep proper footing
and balance at all times. Proper footing
and balance enables better control of the
Sprayer in unexpected situations.
Wear eye, breathing, and skin 4.
protection. Wear ANSI approved safety
impact goggles, a NIOSH-approved
respirator, latex gloves, and proper
safety clothing when using this product.
TOOL USE AND CARE
Do not force the Sprayer. 1. Use the
correct product for your application. The
correct product will do the job better and
safer at the rate for which it is designed.
SERVICE
Product service must be performed 1.
only by qualied service technician.
Service or maintenance performed by
unqualied personnel could result in a
risk of injury.
When servicing the Sprayer, use 2.
only identical replacement parts.
Follow instructions in the “Inspection,
Maintenance, And Cleaning” section
of this manual. Use of unauthorized
parts or failure to follow maintenance
instructions may create a risk of electric
shock or injury.
Store idle tools and equipment out of 2.
reach of children and other untrained
people. Tools and equipment are
dangerous in the hands of untrained
users.
Maintain the Sprayer with care. 3.
Keep this product clean. A properly
maintained tool is easier to control. Do
not use damaged tools and equipment.
Tag damaged tools and equipment “Do
not use” until repaired.
Check for misalignment or binding 4.
of moving parts, loose or broken
parts, and any other condition that
may affect the Sprayer’s operation.
If damaged, have the Sprayer serviced
before using. Many accidents are
caused by poorly maintained tools and
equipment.
Use only accessories that are 5.
recommended by the manufacturer
for your model. Accessories that may
be suitable for one product may become
hazardous when used on another
product.
SPECIFIC SAFETY RULES
Maintain labels and nameplates on 1.
the Sprayer. These carry important
information. If unreadable or missing,
contact Harbor Freight Tools for a
replacement.
Use the right product for the job. 2.
There are certain applications for which
this product was designed. Do not use
small tools, equipment, or attachments
to do the work of larger industrial tools,
equipment, or attachments. Do not use
this product for a purpose for which it
was not intended.
Industrial applications must follow 3.
OSHA requirements.
Store idle tools. 4. When not in use, store
the Sprayer in a clean, dry, safe location
out of reach of children.
This Sprayer is intended to be used 5.
only with water, liquid fertilizers,
liquid herbicides, and liquid
pesticides. Never attempt to spray
ammable, combustible, or corrosive
liquids with the Sprayer.
Page 3For technical questions, please call 1-800-444-3353.SKU 94573
Always follow all chemical label 6.
precautions and local EPA regulations
when using liquid chemicals. Do
not touch harmful chemicals. After
use, clean the Sprayer thoroughly with
agents recommended by the chemical
manufacturer.
the tool to make sure ice has not
formed. Do not store the Sprayer
where the temperature will fall below 32°
Fahrenheit.
Do not keep water or any liquid 16.
chemicals in the Sprayer after use.
Never point the nozzle of the Spray 7.
Gun Assembly at yourself, other
people, pets and animals, or property.
A note on Chemicals disposal: 8. Never
attempt to burn unused fertilizers,
herbicides, pesticides, or any other types
of chemicals. Make sure to check with
your local solid waste authorities for
proper disposal procedures.
Always make sure children and 9.
animals do not have access to
chemically treated areas.
Dry running will cause damage to 10.
the inner seals. Make sure the water
or liquid chemical supply used for the
Sprayer is not dirty or sandy.
Do not pull or carry the Sprayer by its 11.
Spray Gun Assembly. Use the Handle
on the Sprayer to move the tool from one
location to another.
The work area should have adequate 12.
drainage to reduce the possibility of a
fall due to slippery surfaces.
Make sure to clean the Filter of the 17.
Sprayer before each use.
Never leave the Sprayer unattended.18.
When nished using the Sprayer, empty
the unit. Thoroughly clean the unit and
store it in a clean, dry, safe location out
of reach of children.
The warnings and cautions discussed 19.
in this manual cannot cover all possible
conditions and situations that may occur.
It must be understood by the operator
that common sense and caution are
factors which cannot be built into this
product, but must be supplied by the
operator.
People with pacemakers should consult 20.
their physician(s) before using this
product. Electromagnetic elds in close
proximity to a heart pacemaker could
cause interference to or failure of the
pacemaker.
SAVE THESE INSTRUCTIONS
GROUNDING
This product is designed for outdoor 13.
use only.
Keep the Cap and Spray Gun 14.
Assembly of the Sprayer connected
to the tool while the system is
pressurized. Prior to relling or
emptying the Tank, squeeze the
Trigger on the Spray Gun Assembly to
completely depressurize the system.
Prior to starting the Sprayer in cold 15.
weather, check all of the parts of
Page 4 For technical questions, please call 1-800-444-3353. SKU 94573
TO PREVENT
ELECTRIC SHOCK
AND DEATH FROM INCORRECT
GROUNDING WIRE
CONNECTION:
Check with a qualied electrician
if you are in doubt as to whether
the outlet is properly grounded.
Do not modify the power cord
plug provided with the tool.
Never remove the grounding
prong from the plug. Do not use
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