Harbor Freight Tools 66839 Owner's Manual
Table of Contents
Safety ......................................................... 2
Specifications ............................................. 5
Setup .......................................................... 6
SAFETY OPERATION MAINTENANCESETUP
Operation .................................................... 8
This is the safety alert symbol. It is used to alert you to potential personal injury hazards.
Maintenance .............................................. 10
Parts List and Diagram .............................. 11
Warranty .................................................... 12
WARNING SYMBOLS AND DEFINITIONS
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.
Symbol Property or statement
PSI
CFM
SCFM
NPT
NPS
Pounds per square inch of pressure
Cubic Feet per Minute flow
Cubic Feet per Minute flow
at standard conditions
National pipe thread, tapered
National pipe thread, straight
Symbol Property or statement
WARNING marking
concerning Risk of Eye Injury.
Wear ANSI-approved eye protection.
WARNING marking concerning
Risk of Respiratory Injury. Wear
NIOSH-approved dust mask/respirator.
WARNING marking concerning
Risk of Explosion.
IMPORTANT SAFETY INSTRUCTIONS
INSTRUCTIONS PERTAINING TO A RISK OF FIRE,
ELECTRIC SHOCK, OR INJURY TO PERSONS
WARNING – When using tools, basic precautions should always be followed, including the following:
General
To reduce the risks of electric shock,
fire, and injury to persons, read all the
instructions before using the tool.
Work Area
1. Keep the work area clean and well lighted.
Cluttered benches and dark areas increase the
risks of electric shock, fire, and injury to persons.
Page 2 For technical questions, please call 1-800-444-3353. Item 66839
2. Keep bystanders, children, and visitors away
while operating the tool. Distractions are able
to result in the loss of control of the tool.
Personal Safety
1. Stay alert. Watch what you are doing and
use common sense when operating the tool.
Do not use the tool while tired or under the
influence of drugs, alcohol, or medication.
A moment of inattention while operating the
tool increases the risk of injury to persons.
2. Dress properly. Do not wear loose
clothing or jewelry. Contain long hair.
Keep hair, clothing, and gloves away from
moving parts. Loose clothes, jewelry, or long
hair increases the risk of injury to persons as
a result of being caught in moving parts.
3. Avoid unintentional starting. Be sure the switch
is off before connecting to the air supply.
Do not carry the tool with your finger on the switch or
connect the tool to the air supply with the switch on.
Tool Use and Care
1. Do not force the tool. Use the correct tool for the
application. The correct tool will do the job better
and safer at the rate for which the tool is designed.
2. Disconnect the tool from the air source
before making any adjustments, changing
accessories, or storing the tool. Such preventive
safety measures reduce the risk of starting the
tool unintentionally. Turn off and detach the air
supply, safely discharge any residual air pressure,
and release the throttle and/or turn the switch to
its off position before leaving the work area.
3. Store the tool when it is idle out of reach
of children and other untrained persons.
A tool is dangerous in the hands of untrained users.
4. Do not overreach.
Keep proper footing and balance at all times.
Proper footing and balance enables better
control of the tool in unexpected situations.
5. Use safety equipment.
A dust mask, non-skid safety shoes and
a hard hat must be used for the
applicable conditions.
6. Always wear eye protection.
Wear ANSI-approved safety goggles.
7. Always wear hearing protection when using
the tool. Prolonged exposure to high intensity
noise is able to cause hearing loss.
4. Maintain the tool with care. A properly
maintained tool is easier to control.
5. Check for misalignment or binding of moving
parts, breakage of parts, and any other condition
that affects the tool's operation. If damaged,
have the tool serviced before using. Many accidents
are caused by poorly maintained tools.
There is a risk of bursting if the tool is damaged.
6. Use only accessories that are identified by the
manufacturer for the specific tool model. Use of
an accessory not intended for use with the specific
tool model, increases the risk of injury to persons.
SAFETYOPERATIONMAINTENANCE SETUP
Service
1. Tool service must be performed only
by qualified repair personnel.
Air Source
1. Never connect to an air source that is
capable of exceeding 200 psi.
Over pressurizing the tool may cause
bursting, abnormal operation, breakage
of the tool or serious injury to persons.
Use only clean, dry, regulated compressed air at the
rated pressure or within the rated pressure range as
marked on the tool. Always verify prior to using the
tool that the air source has been adjusted to the rated
air pressure or within the rated air-pressure range.
SAVE THESE INSTRUCTIONS.
2. When servicing a tool, use only identical
replacement parts. Use only authorized parts.
2. Never use oxygen, carbon dioxide, combustible
gases or any bottled gas as an air source
for the tool. Such gases are capable of
explosion and serious injury to persons.
Page 3For technical questions, please call 1-800-444-3353.Item 66839
Specific Safety Instructions
1. The warnings and precautions discussed in this
manual cannot cover all possible conditions and
situations that may occur. It must be understood
SAFETY OPERATION MAINTENANCESETUP
by the operator that common sense and caution
are factors which cannot be built into this
product, but must be supplied by the operator.
2. WARNING: Some dust created by power
sanding, sawing, grinding, drilling, and other
construction activities, contains chemicals
known [to the State of California] to cause
cancer, birth defects or other reproductive harm.
Some examples of these chemicals are:
• Lead from lead-based paints
• Crystalline silica from bricks and cement or
other masonry products
• Arsenic and chromium from
chemically treated lumber
Your risk from these exposures varies, depending
on how often you do this type of work. To reduce
your exposure to these chemicals: work in a well
ventilated area, and work with approved safety
equipment, such as those dust masks that are
specially designed to filter out microscopic particles.
(California Health & Safety Code § 25249.5, et seq.)
8. Air hose fittings may get hot during use.
Allow fittings to cool before disconnecting.
9. Coatings can produce eye irritation.
When cleaning tools exercise caution
when using solvents. They can be forcefully
ejected from the tool’s nozzle and air passages.
Wear an ANSI-approved dust mask or respirator
when working around chemical mist.
10. Do not exceed the maximum pressure.
Exceeding the maximum pressure will cause
the safety valve to release air to prevent the
tank from exceeding its maximum pressure.
Exceeding the Tank’s maximum pressure can
cause the pressure tank to rupture or explode.
11. During each use, pull the ring on the
safety valve to check that it operates freely
and relieves air pressure. If the safety valve
is stuck, does not operate freely, or does not
relieve air pressure, replace the valve.
12. Do not discard or make any alterations to
the safety valve. Tampering with, welding
or drilling the tank can weaken it.
3. WARNING: The brass components of
this product contain lead, a chemical
known to the State of California to cause
birth defects (or other reproductive harm).
(California Health & Safety Code § 25249.5, et seq.)
4. Do not spray near open flames, pilot lights, stoves,
heaters, the air compressor, or any other heat source.
Most solvents and coatings are highly flammable,
particularly when sprayed. Maintain a distance of
at least 25 feet from the air compressor. If possible,
locate the air compressor in a separate room.
5. Paints and solvents may be harmful or fatal if
swallowed or inhaled. Avoid prolonged skin contact
with solvents or paints as they will irritate skin.
After any contact, immediately wash off
exposed area with hot, soapy water.
6. Attach all accessories properly to the tool before
connecting the air supply. A loose accessory
may detach or break during operation.
7. Install an in-line shutoff valve to allow immediate
control over the air supply in an emergency,
even if a hose is ruptured.
13. Do not use abrasive or corrosive materials or
materials that can cause rust with this tank.
It is not designed for those materials.
To use them can damage the tank’s internal parts.
14. Industrial applications must
follow OSHA requirements.
15. Read all information concerning coating
products and cleaning solvents.
Chlorinated solvents, such as 1-1-1 Trichloroethane
and Methylene Chloride (also known as methyl
chloride) can chemically react with aluminum and
explode. Many paint sprayers contain aluminum.
If you are in doubt about potential chemical reactions,
contact the coating or solvent manufacturer.
16. Check all seals before connecting
the spray tool to the air supply.
17. Make sure that the lid is fully attached
to the tank before pressurizing.
Do not release the lid while the tank is pressurized.
18. Do not use wrenches, pliers or other tools to
tighten Paint Tank clamps. Use your hands only.
If gasket leaks, clean it or replace it.
SAVE THESE INSTRUCTIONS.
Page 4 For technical questions, please call 1-800-444-3353. Item 66839
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