Save This ManualKeep 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. 19a
The warnings and precautions discussed 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.
W=G>?>F – When using tools, basic precautions should always be followed, including the following:
W&(\%=(*,
a. Y**/%$.*%)&(\%,(*,%47*,8%,89%)*77%7"3.$*91%%
Cluttered benches and dark areas increase the
risks of electric shock, fire, and injury to persons.
b. Y**/%+E#$,89*(#L%4."79(*8L%,89%]"#"$&(#%,),E%
)."7*%&/*(,$"83%$.*%$&&71%%Distractions are
able to result in the loss of control of the tool.
Loose clothes, jewelry, or long hair increases
the risk of injury to persons as a result
of being caught in moving parts.
B&&7%V#*%,89%;,(*
a. A&%8&$%2&(4*%$.*%$&&71 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.
b. A"#4&88*4$%$.*%$&&7%2(&5%$.*%,"(%#&'(4*%+*2&(*%
5,\"83%,8E%,9^'#$5*8$#L%4.,83"83%,44*##&("*#L%
&(%#$&("83%$.*%$&&71 Such preventive safety
measures reduce the risk of starting the tool
unintentionally. Turn off and detach the air supply,
safely discharge any residual air pressure, and
release the throttle and/or turn the switch to its
off position before leaving the work area.
c. A&%8&$%&]*((*,4.1%%Y**/%/(&/*(%
2&&$"83%,89%+,7,84*%,$%,77%$"5*#1%%
Proper footing and balance enables better
control of the tool in unexpected situations.
d. V#*%#,2*$E%*J'"/5*8$1
Wear protective paint spraying
gloves and a NIOSH-approved
respirator during use. Non-skid safety
shoes and a hard hat must be used for
the applicable conditions.
e. =7),E#%)*,(%*E*%/(&$*4$"&81
Wear ANSI-approved safety goggles.
c. D$&(*%$.*%$&&7%).*8%"$%"#%"97*%&'$%&2%(*,4.%
&2%4."79(*8%,89%&$.*(%'8$(,"8*9%/*(#&8#1%%
A tool is dangerous in the hands of untrained users.
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.
e. V#*%&87E%,44*##&("*#%$.,$%,(*%"9*8$"2"*9%+E%$.*%
5,8'2,4$'(*(%2&(%$.*%#/*4"2"4%$&&7%5&9*71 Use of
an accessory not intended for use with the specific
tool model, increases the risk of injury to persons.
Clean the Spray Gun and Cup IMMEDIATELY after EVERY use and when it will be idle for more
than 30 minutes. Delayed or inadequate cleaning will permanently clog the Spray Gun.
DO NOT USE LATEX PAINT IN THIS SPRAY GUN.
a. >*]*(%4&88*4$%$&%,8%,"(%#&'(4*%$.,$%
"#%4,/,+7*%&2%*a4**9"83%bII%/#"1
Over pressurizing the tool may cause
bursting, abnormal operation, breakage
of the tool or serious injury to persons.
Use only clean, dry, regulated compressed air at the
rated pressure or within the rated pressure range as
marked on the tool. Always verify prior to using the
tool that the air source has been adjusted to
the rated air pressure or within
the rated air-pressure range.
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DE5+&7%A*2"8"$"&8#
DE5+&7U(&/*($E%&(%D$,$*5*8$
UD?
;K@
D;K@
Pounds per square inch of pressure
Cubic Feet per Minute flow
Cubic Feet per Minute flow
at standard conditions
b. >*]*(%'#*%&aE3*8L%4,(+&8%9"&a"9*L%4&5+'#$"+7*%
3,#*#%&(%,8E%+&$$7*9%3,#%,#%,8%,"(%#&'(4*%
2&(%$.*%$&&71%%Such gases are capable of
Clean the Spray Gun and Cup IMMEDIATELY after EVERY use and when it will be idle for more
than 30 minutes. Delayed or inadequate cleaning will permanently clog the Spray Gun.
DO NOT USE LATEX PAINT IN THIS SPRAY GUN.
D/*4"2"4%D,2*$E%?8#$('4$"&8#
NOTICE
1. Do not direct spray at people or animals.
2. Do not exceed maximum air pressure.
3. 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.
4. Read all of the information concerning
coating products and cleaning solvents.
Contact the solvent or coating manufacturer as
needed regarding potential chemical reactions.
5. RISK OF INJECTION - Do not point spray gun at
any person or any part of the body. In case of skin
injection, seek medical attention immediately.
6. Industrial applications must follow
OSHA requirements.
7. Spraying hazardous materials may result in serious
injury or death. Do not spray pesticide, acid,
corrosive material, fertilizer, or toxic chemicals.
8. 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.
9. Attach all accessories properly to the tool before
connecting the air supply. A loose accessory
may detach or break during operation.
10. Install an in-line shutoff valve to allow immediate
control over the air supply in an emergency,
even if a hose is ruptured.
11. Air hose fittings may get hot during use.
Allow fittings to cool before disconnecting.
D=K6BCTU6G=B?T>@=?>B6>=>;6D6BVU
D/*4"2"4,$"&8#
Working Air Pressure
(with Trigger fully depressed)
Air Inlet1/4″ - 18 NPS1/4″ - 18 NPS
Air Consumption11.3 CFM @ 28 PSI10.8 CFM @ 35 PSI
Cup Capacity20 oz.20 oz.
Tip Size1.7mm1.3mm
1. Incorporate a filter, regulator with pressure gauge,
in-line shutoff ball valve, and quick coupler
for best service, as shown on Figure A on
page 7 . %=8%"8N7"8*%#.'$&22%+,77%],7]*%
1. Designate a work area that is clean and well lit.
The work area must not allow access by children
or pets to prevent distraction and injury.
2. Route the air hose along a safe path to reach
the work area without creating a tripping hazard
or exposing the air hose to possible damage.
The air hose must be long enough to reach
the work area with enough extra length to
allow free movement while working.
3. Before spraying, mask nearby objects not being
sprayed and lay cloths (not included) on the floors.
2. Remove Cup’s Lid and add 2 - 4 ounces of
solvent-based cleaner (sold separately).
3. Replace Lid and pull out Air Vent to open.
>&$*- When Spray Gun is idle, push in Air Vent to close.
4. Open Fluid Control Knob and Fluid
Lock Nut (counterclockwise) until four threads
are showing. Turn Fluid Lock Nut clockwise
until it stops against the Spray Gun body.
5. Open Air Control Knob fully.
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8. After disconnecting, point the Spray Gun into
the spent solvent container and depress the
Trigger again to make sure no air remains.
9. Remove Regulator.
10. Remove Cup and Lid and allow to dry.
11. Turn Lock Ring counterclockwise by hand
to remove Air Cap and allow to dry.
12. Depress Trigger to open passageway, then blow
clean compressed air into the Fluid Inlet.
;&5/(*##*9%
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Bar
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6. Point Spray Gun at interior side of spent solvent
container. Depress Trigger and slightly shake
Spray Gun while spraying solvent into the container.
Clean the Spray Gun and Cup IMMEDIATELY after EVERY use and when it will be idle for more
than 30 minutes. Delayed or inadequate cleaning will permanently clog the Spray Gun.
DO NOT USE LATEX PAINT IN THIS SPRAY GUN.
U,$$*(8%=9^'#$5*8$
Turn Pattern Control Knob
counterclockwise (all the way open) for flat
spray pattern.
Turn Pattern Knob clockwise (all the way closed)
for a round spray pattern.
>&$*- When reducing pattern size for specific areas,
close the Air Control Knob a small amount at a
time. until proper pattern size is achieved.
D=K6BCTU6G=B?T>@=?>B6>=>;6D6BVU
U,$$*(8%
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1. Attach spray gun regulator to Air Inlet.
2. Attach air hose to regulator.
3. Turn on air compressor according to the
manufacturer’s directions and allow it to
build up pressure until it cycles off.
4. Adjust the air compressor’s regulator
so that the air output is:
a. 60 PSI for 64823
b. 70 PSI for 64824
5. Open Air Control Knob fully (counterclockwise).
6. Fully depress Trigger, then set
Spray Gun’s regulator to:
a. 28 PSI (maximum) for 64823
b. 35 PSI (maximum) for 64824
>&$*- If Spray Gun’s regulator cannot
reach maximum pressure, slowly adjust
compressor’s regulator until maximum pressure
is achieved at the Spray Gun’s regulator
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;&8$(&7%
Y8&+
10. If necessary, slowly close Fluid Control Knob
and/or Air Control Knob (clockwise), then spray on
scrap material until desired consistency is achieved.
11. To lock fluid adjustment Turn Fluid Lock Nut
clockwise until it stops against the Spray Gun.
12. If paint is too thick, thin paint according
to manufacturer’s instructions and
repeat instructions above.
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7. Open Fluid Control Knob (counterclockwise)
until Trigger can be fully depressed.
8. Turn Fluid Lock Nut clockwise until it
stops against the Spray Gun body.
9. Spray on piece of scrap material in short
bursts, then check consistency.
2. Keep the Spray Gun upright and
at a right angle to the workpiece -
D**%K"3'(*%X%,89%K"3'(*%;1
;&((*4$%F'8%=837*
Move your arm, not just your wrist.
Point gun directly towards the surface and
maintain an even, steady distance and speed.
3. Depress Trigger fully and move Spray Gun
in parallel strokes to the workpiece.
4. Keep the distance from the workpiece:
a. 6" for 64823
b. 7" for 64824
5. To avoid paint build up:
a. Apply two thin coats rather than one thick
coat. Overlap 1/3 to 1/2 on second coat.
b. Start moving the Spray Gun before
fully depressing Trigger.
c. Fully depress Trigger before
contacting the workpiece.
d. When finished with the stroke, release the
Trigger while still moving the Spray Gun and
after passing the workpiece - see Figure D.
>&$*- Doing this will produce a smoother finish.
Do not stop moving the Spray Gun while spraying.
If the Spray Gun stops even briefly while spraying
the paint will build up and run down the workpiece.
%
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=837*
K"3'(*%X-%%D/(,E%F'8%=837*%N%$&/%]"*)
;&((*4$%F'8%=837*?84&((*4$%F'8%=837*
K"3'(*%;-%%D/(,E%F'8%=837*%N%#"9*%]"*).
>TB?;6-%%AT%>TB%DBTU%WZ6>%DUG=C?>F1%%
Spraying materials will start to set and dry as
soon as they come in contact with the air.
Do not pivot your wrist
or wave the gun like a
fan towards the wall.
X*3"8%
D$(&\*
>&$*- The stroke speed and Fluid Control
Knob adjustment, will determine how
much paint is being applied.
;=VB?T>h%%="(%.&#*%2"$$"83#%5,E%3*$%.&$1%%%
Allow fittings to cool before disconnecting,
or wear gloves to prevent burns.
6. To prevent accidents, after use, release Trigger,
7. ;7*,8%$.*%D/(,E%F'8%,89%;'/%?@@6A?=B6<C%
A*/(*##
B("33*(
K"3'(*%A-%%U,"8$%D$(&\*%B("33*("83%N%$&/%]"*)
detach air supply, safely discharge any residual
air pressure, and release Trigger again.
3. Remove Cup’s Lid. Carefully scrape paint out
of Cup and dispose of excess paint properly.
4. Add 1/4 cup of solvent (sold separately) to
Cup. Replace Lid and Close Air Vent, then
shake Spray Gun for several seconds.
5. Remove Lid, pour solvent into spent solvent
container and wipe away any paint residue
from Cup and Lid with clean cloth.
6. Add 1/4 cup of solvent to Cup. Replace
Lid and pull out Air Vent to open.
7. Open Fluid Control Knob and Fluid Lock Nut
(counterclockwise) until four threads are
showing. Turn Fluid Control Knob Lock clockwise
until it stops against the Spray Gun body.
8. Open Air Control Knob fully.
9. Point Spray Gun at interior side of spent solvent
container. Depress Trigger and slightly shake
Spray Gun while spraying solvent into the
container. Once the Cup is empty, repeat the
process until the solvent comes out clean.
10. Disconnect Spray Gun from the air source.
11. After disconnecting, point the Spray Gun into
the spent solvent container and depress the
Trigger again to make sure no air remains.
12. Remove Regulator and Cup.
D/*8$%D&7]*8$%A"#/&#,7
13. Remove Air Cap. Depress Trigger
to retract Fluid Needle, then remove
Fluid Nozzle with included wrench.
14. Remove Air Valve.
15. Remove Fluid Control Knob, Fluid
Need Spring, and Fluid Needle.
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR
MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS
QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE
ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY
STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND
LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY
ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS
THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
G*4&(9%U(&9'4$_#%D*(",7%>'5+*(%Z*(*-%
>&$*- If product has no serial number, record month and year of purchase instead.
>&$*- Some parts are listed and shown for illustration purposes only, and are not available individually
as replacement parts. Parts may not be interchangeable. Specify item number when ordering.
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.