Harbor Freight Tools 66222 User Manual
HVLP GRAVITY FEED
SPRAY GUN
66222
SET UP AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
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© 2008 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.
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.
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.
Safety Alert Symbol and Signal
Words
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, without
the safety alert
symbol, is used to
address practices not related
to personal injury.
IMPORTANT SAFETY
INSTRUCTIONS
INSTRUCTIONS PERTAINING
TO A RISK OF FIRE,
ELECTRIC SHOCK, OR
INJURY TO PERSONS
WARNING – When using tools, basic pre-
cautions should always be followed,
including the following:
General
To reduce the risks of electric shock,
re, and injury to persons, read all the
instructions before using the tool.
Work area
Keep the work area clean and well a.
lighted. Cluttered benches and dark
areas increase the risks of electric
shock, re, and injury to persons.
SKU 66222 For technical questions, please call 1-800-444-3353. Page 2
Remove or cover objects from the b.
area that you want to protect from
overspray or paint dust.
Operate only in a well-ventilated c.
area. Paint thinners and solvents
may be harmful if breathed. Always
wear an ANSI approved ventilator
when painting.
trigger or connect the tool to the air
supply with the trigger on.
Do not overreach. Keep proper d.
footing and balance at all times.
Proper footing and balance enables
better control of the tool in unexpected situations.
Do not operate the tool in explo-d.
sive atmospheres, such as in the
presence of ammable liquids,
gases, or dust. The tool is able to
create sparks resulting in the ignition
of the dust or fumes.
Keep bystanders, children, and e.
visitors away while operating the
tool. Distractions are able to result in
the loss of control of the tool.
Personal safety
Stay alert. Watch what you are do-a.
ing and use common sense when
operating the tool. Do not use the
tool while tired or under the inuence of drugs, alcohol, or medication. A moment of inattention while
operating the tool increases the risk
of injury to persons.
Dress properly. Do not wear loose b.
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.
Avoid unintentional starting. Be c.
sure the trigger is off before connecting to the air supply. Do not
carry the tool with your nger on the
e. Use safety equipment. A
dust mask, non-skid safety
shoes and a hard hat must
be used for the applicable
conditions. Wear protec-
tive work gloves during use.
f. Always wear eye protec-
tion. Wear ANSI-approved safety goggles.
g. Always wear hearing
protection when using
the tool. Prolonged expo-
sure to high intensity noise
is able to cause hearing
loss.
Tool use and care
Use clamps or another practical a.
way to secure and support the
work piece to a stable platform.
Holding the work by hand or against
the body is unstable and is able to
lead to loss of control.
Do not force the tool. b. 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.
Do not use the tool if the trigger c.
does not turn the tool on or off.
Any tool that cannot be controlled
SKU 66222 For technical questions, please call 1-800-444-3353. Page 3
with the trigger is dangerous and
must be repaired.
Disconnect the tool from the air d.
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 trigger to its off position before
leaving the work area.
Store the tool when it is idle out of e.
reach of children and other untrained persons. A tool is dangerous
in the hands of untrained users.
Maintain the tool with care. f. Keep a
cutting tool sharp and clean. A properly maintained tool, with sharp cutting edges reduces the risk of binding
and is easier to control.
Check for misalignment or bind-g.
ing of moving parts, breakage of
parts, and any other condition that
affects the tool’s operation. If dam-
aged, 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.
When servicing a tool, use only b.
identical replacement parts. Use
only authorized parts.
Use only the lubricants supplied c.
with the tool or specied by the
manufacturer.
Air source
a. Never connect to an air
source that is capable of
exceeding 100 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.
Never use oxygen, carbon dioxide, b.
combustible gases or any bottled
gas as an air source for the tool.
Such gases are capable of explosion
and serious injury to persons.
SAVE THESE
INSTRUCTIONS.
Use only accessories that are h.
identied by the manufacturer for
the specic tool model. Use of an
accessory not intended for use with
the specic tool model, increases the
risk of injury to persons.
Service
Tool service must be performed a.
only by qualied repair personnel.
SKU 66222 For technical questions, please call 1-800-444-3353. Page 4
SYMBOLS AND
SPECIFIC SAFETY
INSTRUCTIONS
Symbol Denitions
Symbol Property or statement
n
o
.../min
PSI
ft-lb
BPM
No-load speed
Revolutions or reciprocation per
minute
Pounds per square inch of pressure
Foot-pounds of torque
Blows per minute
cannot be built into this product, but
must be supplied by the operator.
WARNING: The brass components 2.
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.)
Only use with accessories rated to 3.
handle the forces exerted by this tool
during operation.
Attach all accessories properly to the 4.
tool before connecting the air supply. A loose accessory may detach or
break during operation.
CFM
SCFM
NPT
NPS
Cubic Feet per Minute ow
Cubic Feet per Minute ow at
standard conditions
National pipe thread, tapered
National pipe thread, straight
WARNING marking concerning Risk
of Eye Injury. Wear ANSI-approved
eye protection.
WARNING marking concerning Risk
of Hearing Loss. Wear hearing
protection.
WARNING marking concerning Risk
of Respiratory Injury. Wear NIOSH-
approved dust mask/respirator.
WARNING marking concerning Risk
of Explosion.
Specic Safety Instructions
Obey the manual for the air compres-5.
sor used to power this tool.
Install an in-line shutoff valve to allow 6.
immediate control over the air supply
in an emergency, even if a hose is
ruptured.
SAVE THESE
INSTRUCTIONS.
The warnings and precautions dis-1.
cussed 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
SKU 66222 For technical questions, please call 1-800-444-3353. Page 5
FUNCTIONAL DESCRIPTION
subheadings therein before set
up or use of this product.
Specications
Air Pressure Range 15-45 PSI
Maximum Air Pressure 45 PSI
Air Inlet 1/4” -18 NPS
Air Consumption 12 SCFM @ 45 PSI
Paint Cup Capacity 20 FL. OZ.
Components and Controls
Please refer to the photo on this page for
important components and controls.
INITIAL TOOL SET UP/
ASSEMBLY
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
section at the beginning of this
manual including all text under
Note: For additional information regarding
the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.
Unpacking
When unpacking, check to make sure
that the item is intact and undamaged. If
any parts are missing or broken, please
call Harbor Freight Tools at the number
shown throughout the manual as soon as
possible.
This air tool may be shipped with a •
protective plug covering the air inlet.
Remove this plug before set up.
Cup (28)
Air Cap (1)
Trigger (36)
Spray Regulator (20)
Air Adjustment Valve (31)
Lid (29)
Fluid Control
Knob (12)
Gun Body (8)
Air Regulator (37)
Air Pressure
Gauge (38)
SKU 66222 For technical questions, please call 1-800-444-3353. Page 6
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