Harbor Freight Tools Paint Sprayer 97855 User Manual

HEAVY DUTY AIR PAINT  
SPRAY GUN  
97855  
SET UP AND OPERATING INSTRUCTIONS  
®
Distributed exclusively by Harbor Freight Tools .  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
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  
FreightTools. Diagramswithinthismanualmaynotbedrawnproportionally. Duetocontinuingimprovements,  
actual product may differ slightly from the product described herein.  
For technical questions or replacement parts, please call 1-800-444-3353.  
 
NOTICE is used to  
address practices  
not related to personal injury.  
SAVE THIS MANUAL  
Keep this manual for the safety warn-  
ings and precautions, assembly, operat-  
ing, 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, without  
the safety alert  
symbol, is used to address  
practices not related to  
personal injury.  
IMPORTANT SAFETY  
Safety Alert Symbol and Signal  
Words  
INSTRUCTIONS  
INSTRUCTIONS PERTAINING  
TO A RISK OF FIRE,  
In this manual, on the labeling,  
and all other information provid-  
ed with this product:  
ELECTRIC SHOCK, OR  
INJURY TO PERSONS  
This is the safety alert  
symbol. It is used to alert  
you to potential personal  
injury hazards. Obey all  
safety messages that  
WARNING – When using tools, basic pre-  
cautions should always be followed,  
including the following:  
General  
follow this symbol to avoid  
possible injury or death.  
a. To reduce the risks of fire and inju-  
ry to persons, read all the instruc-  
tions before using this tool.  
DANGER indicates  
a hazardous  
b. Before using the spray gun for the  
first time, be sure to clean it out  
with a solvent based thinner. The  
manufacturer often uses a red oil to  
test the units. This oil may contami-  
nate the paint.  
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.  
c. It is important to clean the spray  
gun thoroughly after every use.  
CAUTION, used  
with the safety  
alert symbol, indicates a  
hazardous situation which, if  
not avoided, could result in  
minor or moderate injury.  
Work area  
a. Keep the work area clean and well  
lighted. Cluttered benches and dark  
areas increase the risks of electric  
shock, fire, and injury to persons.  
SKU 97855  
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Page 3  
 
b. Do not operate the tool in explo-  
sive atmospheres, such as in the  
presence of flammable liquids,  
gases, or dust. The tool is able to  
create sparks resulting in the ignition  
of the dust or fumes.  
Tool use and care  
a. Use clamps or another practical  
way to secure and support the  
workpiece to a stable platform.  
Holding the work by hand or against  
the body is unstable and is able to  
lead to loss of control.  
c. Keep bystanders, children, and  
visitors away while operating the  
tool. Distractions are able to result in  
the loss of control of the tool.  
b. 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.  
Personal safety  
a. Stay alert. Watch what you are do-  
ing and use common sense when  
operating the tool. Do not use the  
tool while tired or under the influ-  
ence of drugs, alcohol, or medica-  
tion. A moment of inattention while  
operating the tool increases the risk  
of injury to persons.  
c. Do not use the tool if the switch  
does not turn the tool on or off.  
Any tool that cannot be controlled  
with the switch is dangerous and  
must be repaired.  
d. Disconnect the tool from the air  
source before making any adjust-  
ments, 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.  
b. Avoid unintentional starting. Be  
sure the switch is off before con-  
necting 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.  
c. Do not overreach. Keep proper  
footing and balance at all times.  
Proper footing and balance enables  
better control of the tool in unexpect-  
ed situations.  
e. Store the tool when it is idle out of  
reach of children and other un-  
trained persons. A tool is dangerous  
in the hands of untrained users.  
d.  
Use safety equipment. A  
dust mask, non-skid safety  
shoes and a hard hat must  
be used for the applicable  
conditions. Wear heavy-duty work  
gloves during use.  
f.  
Check for misalignment or bind-  
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.  
e.  
Always wear eye protec-  
tion. Wear ANSI-ap-  
proved safety goggles.  
SKU 97855  
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Page 4  
 
g. 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.  
SYMBOLS AND  
SPECIFIC SAFETY  
INSTRUCTIONS  
Symbol Definitions  
Service  
Symbol  
Property or statement  
No-load speed  
a. Tool service must be performed  
n
o
only by qualified repair personnel.  
Revolutions or reciprocation per  
minute  
.../min  
PSI  
b. When servicing a tool, use only  
identical replacement parts. Use  
only authorized parts.  
Pounds per square inch of pressure  
Foot-pounds of torque  
ft-lb  
c. Use only the lubricants supplied  
with the tool or specified by the  
manufacturer.  
Blows per minute  
BPM  
CFM  
SCFM  
NPT  
Cubic Feet per Minute flow  
Air source  
Cubic Feet per Minute flow at  
standard conditions  
a.  
Never connect to an air  
source that is capable of  
National pipe thread, tapered  
National pipe thread, straight  
exceeding 115 psi. Over  
pressurizing the tool may  
NPS  
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.  
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.  
b. 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.  
SAVE THESE  
INSTRUCTIONS.  
SKU 97855  
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Page 5  
 
ply. A loose accessory may detach or  
break during operation.  
Specific Safety Instructions  
1. The warnings and precautions dis-  
cussed in this manual cannot cover  
all possible conditions and situations  
that may occur. It must be under-  
stood by the operator that common  
sense and caution are factors which  
cannot be built into this product, but  
must be supplied by the operator.  
5. Obey the manual for the air compres-  
sor used to power this tool.  
6. Install an in-line shutoff valve to allow  
immediate control over the air supply  
in an emergency, even if a hose is  
ruptured.  
SAVE THESE  
INSTRUCTIONS.  
2. WARNING: Some airborne dust  
created by a spray gun may contain  
chemicals known [to the State of  
California] to cause cancer, birth de-  
fects or other reproductive harm. An  
example of this is:  
• Lead from lead-based paints  
Your risk from these exposures var-  
ies, 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 or respirators  
that are specially designed to filter  
out microscopic particles. (California  
Health & Safety Code § 25249.5, et  
seq.)  
WARNING: The brass components of  
this product contain lead, a chemical  
known to the State of California to  
cause birth defects (or other repro-  
ductive harm). (California Health &  
Safety code § 25249.5, et seq.)  
3. Only use with accessories rated to  
handle the forces exerted by this tool  
during operation. Other accessories  
not designed for the forces gener-  
ated may break and forcefully launch  
pieces.  
4. Attach all accessories properly to the  
tool before connecting the air sup-  
SKU 97855  
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Page 6  
 
FUNCTIONAL DESCRIPTION  
INITIAL TOOL SET UP/  
ASSEMBLY  
Specifications  
Read the ENTIRE IMPORTANT  
SAFETY INFORMATION  
Cup Capacity  
1 Quart  
Operating Air Pressure 60 PSI  
Maximum Air Pressure 115 PSI  
section at the beginning of this  
manual including all text under  
subheadings therein before set  
up or use of this product.  
Air Consumption  
Air Inlet  
10 SCFM @ 60 PSI  
1/4" -18 NPS  
0.07"  
Nozzle Size  
Needle Size  
Draw Type  
Note: For additional information regarding  
the parts listed in the following pages,  
refer to the Assembly Diagram near  
the end of this manual.  
1/8" dia.  
Siphon Feed  
Horizontal, vertical,  
round, diagonal  
Spray Pattern  
Unpacking  
Components and Controls  
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.  
Pattern Control Knob (10)  
Air Cap (1)  
This air tool may be shipped with a  
protective plug covering the air inlet.  
Remove this plug before set up.  
Fluid Control  
Knob (16)  
Air Supply  
Trigger (7)  
TO PREVENT  
EXPLOSION:  
Cup  
Locking  
Lever (32)  
Use only clean, dry, regulated,  
compressed air to power this  
tool. Do not use oxygen,  
carbon dioxide, combustible  
gases, or any other bottled  
gas as a power source for this  
tool.  
Air Inlet (20)  
Cup Mounting  
Yoke (33)  
Cup (31)  
Fig. 1  
SKU 97855  
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Page 7  
 
3. The air hose must be long enough  
to reach the work area with enough  
extra length to allow free movement  
while working.  
4. Make sure the tool’s throttle or trigger  
switch is in the off position; refer to  
Operation section for description of  
controls.  
5. Close the in-line safety valve be-  
tween the compressor and the tool.  
6. Turn on the air compressor according  
to the manufacturer’s directions and  
allow it to build up pressure until it  
cycles off.  
Fig. 2  
7. Adjust the air compressor’s output  
regulator so that the air output is  
enough to properly power the tool,  
but the output will not exceed the  
tool’s maximum air pressure at any  
time. Adjust the pressure gradually,  
while checking the air output gauge  
to set the correct pressure range.  
1. Incorporate a shut-off valve, regula-  
tor with pressure gauge, and filter  
for best service, as shown in the  
diagram above. An in-line shutoff  
valve is an important safety device  
because it controls the air supply  
even if the air hose is ruptured.  
8. Attach the air supply hose to the tool.  
Inspect the air connections for leaks.  
Repair any leaks found.  
2. Attach an air hose to the compres-  
sor’s air outlet. Connect the air hose  
to the air inlet of the tool. Other com-  
ponents, such as a connector and  
quick coupler, will make operation  
more efficient, but are not required.  
9. If the tool will not be used at this  
time, turn off and detach the air sup-  
ply, safely discharge any residual air  
pressure, and release the throttle  
and/or turn the switch to its off posi-  
tion to prevent accidental operation.  
WARNING! TO PREVENT SERIOUS  
INJURY FROM ACCIDENTAL  
OPERATION:  
Do not install a female quick  
coupler on the tool. Such a coupler  
contains an air valve that will allow  
the air tool to retain pressure and  
operate accidentally after the air  
supply is disconnected.  
Note: Residual air pressure should not be  
present after the tool is disconnected  
from the air supply. However, it is a  
good safety measure to attempt to  
discharge the tool in a safe fashion  
after disconnecting to ensure that the  
tool is disconnected and not under  
pressure.  
Note: Air flow, and therefore tool perfor-  
mance, can be hindered by under-  
sized air supply components.  
SKU 97855  
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Page 8  
 
testing and corrosion protection may  
contaminate the paint.  
OPERATING INSTRUCTIONS  
Read the ENTIRE IMPORTANT  
SAFETY INFORMATION  
section at the beginning of this  
manual including all text under  
subheadings therein before set  
up or use of this product.  
2. This spray gun must be thoroughly  
cleaned after every use. If a solvent  
based paint was used, clean with  
a solvent based thinner. If a water  
based latex type paint was used then  
clean with water. If this is not done,  
it is likely that the spray gun will stop  
working properly.  
Inspect tool before use, looking  
for damaged, loose, and  
missing parts. If any problems  
are found, do not use tool until  
repaired.  
3. Run the water or solvent through the  
Spray Gun under pressure for sev-  
eral minutes to clean out any residual  
paint material.  
Tool Set Up  
TO PREVENT  
SERIOUS INJURY  
FROM ACCIDENTAL  
Work Piece and Work Area Set Up  
1. Designate a work area that is clean  
and well-lit if possible. The work area  
must not allow access by children or  
pets to prevent injury and distraction.  
OPERATION:  
Turn off the tool, detach the  
air supply, safely discharge  
any residual air pressure in  
the tool, and release the  
throttle and/or turn the switch  
to its off position before  
performing any inspection,  
maintenance, or cleaning  
procedures.  
2. Route the air hose along a safe route  
to reach the work area without creat-  
ing 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.  
TO PREVENT SERIOUS  
INJURY:  
3. Secure loose workpieces when nec-  
essary using a vise or clamps (not  
included) to prevent movement while  
working.  
Do not adjust or tamper with  
any control or component in a  
way not specifically explained  
within this manual. Improper  
adjustment can result in  
tool failure or other serious  
hazards.  
4. Spraying should be done away from  
objects and structures which are not  
intended to be painted.  
1. The spray gun must be cleaned with  
a solvent based thinner before being  
used for the first time. If not done, the  
red oil used by the manufacturer for  
SKU 97855  
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Page 9  
 
8. Change Fan Direction.  
General Operating Instructions  
a. Loosen the Air Ring (2) and turn the  
Air Cap (1) to change spray pattern  
between horizontal and vertical.  
1. Start the compressor, allowing it to  
come up to the proper pressure for  
the tool.  
9. Pattern Adjustment. (Never exceed  
2. Wipe off any lubricant that may have  
been applied from prior use. The  
Spray Gun can now be tested.  
maximum inlet pressure of 115 PSI.)  
a. To reduce air pressure when neces-  
sary, adjust the air compressor’s  
pressure regulator.  
3. Fill the Cup (31) with the appropriate  
amount of paint (up to 3/4 full) of  
properly prepared material (see  
section on “Preparation”.  
b. To change between patterns, adjust  
the Pattern Control Knob (10). Turn  
counterclockwise (all the way open),  
to flatten the pattern. Turn clockwise  
for a round pattern.  
4. After the compressor cycles off at the  
proper pressure level, connect the air  
hose to the Air Inlet Coupling (20).  
10. For best service you should incorpo-  
rate a regulator and in-line filter, as  
shown in the diagram above. Hoses,  
couplers, regulators, and filters are all  
available at Harbor Freight Tools.  
5. Attach the Cup (31) to the tool using  
the Cup Mounting Yoke (33) and  
secure with the Cup Locking Lever  
(32).  
Note: Compressor pumps discharge  
condensed water, oil, or other con-  
taminants along with the compressed  
air. Condensation causes “fish eyes”  
to appear in paint patterns. To avoid  
this problem, install water/oil removal  
filters and controls (not included) as  
close to the Spray Gun as possible.  
If run through the Spray Gun, water  
or oil will cause damage.  
6. If the tool requires more force to  
accomplish the task, verify that the  
tool receives sufficient, unobstructed  
airflow (CFM) and increase the  
pressure (PSI) output of the regulator  
up to but not beyond, the maximum  
air pressure rating of this tool.  
CAUTION! TO PREVENT TOOL  
AND ACCESSORY FAILURE,  
RESULTING IN INJURY:  
Do not exceed the tool’s maximum  
air pressure rating.  
11. You will need to prepare a 1/4" air  
connector (sold separately) to con-  
nect to the air inlet on the Spray Gun.  
First, wrap the 1/4" air connector (not  
included) with pipe thread seal tape  
before threading it into the Air Inlet  
(20). Connect the 3/8" ID air source  
hose to the Spray Gun.  
If the tool still does not have sufficient  
force at maximum pressure but the  
material being sprayed has proper  
viscosity, then a larger tool may be  
required.  
7. To prevent accidents, turn off the  
tool, detach the air supply, safely  
discharge any residual air pressure in  
the tool, and/or turn the switch to its  
off position after use. Clean external  
surfaces of the tool with clean, dry  
cloth. Then store the tool indoors out  
of children’s reach.  
12. Set the air pressure on your com-  
pressor to 60 PSI. Do not exceed the  
maximum operating air pressure of  
115 PSI.  
13. Check the air connections for leaks.  
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Page 10  
 
sistency. If it appears too thick, add a  
very small amount of thinner or water  
(not included). BE CAREFUL when  
thinning. Proceed slowly, adding very  
minimal amounts. NEVER exceed  
the paint manufacturer’s thinning rec-  
ommendations.  
PREPARATION  
Note: Proper paint/material mixture helps  
to ensure less problems. Be sure to  
follow the manufacturer’s directions.  
General tips for Preparation:  
1. Mix and thin the paint/materials  
thoroughly according to the manufac-  
turer’s directions.  
Fan Direction  
To change the direction of the fan,  
loosen the Lock Ring (2) and turn the Air  
Cap (1) 90°. After the adjustment, tighten  
the Lock Ring (2) by hand. (See FIG. 3  
below.)  
2. Carefully strain the paint/material  
through a paint strainer or piece of  
cheese cloth.  
3. Swing the Cup Locking Lever (32) out  
of the locked position to remove the  
Cup (31) from the Unit. Fill the Cup  
to approximately 3/4 full. Place the  
Cup back in the Cup Mounting Yoke  
(33), rotate the Cup to lock it onto  
the yoke, and swing the Cup Locking  
Lever (32) to the locked position.  
4. Start the air compressor.  
5. To adjust the spray pattern, set up a  
piece of scrap material to practice on.  
While practicing on the scrap mate-  
rial, check to see that the liquid you  
are spraying has the appropriate con-  
Horizontal Fan  
Lock Ring (2)  
FIGURE 3  
Air Cap  
Vertical Fan  
Fig. 3  
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Page 11  
 
2. To set the pattern size specific to the  
job, use the Pattern Control Knob  
(10) (see FIG. 1). By turning it coun-  
terclockwise (all the way open), the  
pattern will flatten. Turn the Pattern  
Control Knob (10) clockwise for a  
round pattern. (See FIG. 4 below.)  
Pattern Adjustment  
Warning!! Never exceed the Maxi-  
mum Inlet PSI of 115 PSI.  
1. If you need to reduce the air pressure  
for specific areas, adjust the pressure  
regulator of the air compressor.  
Flat/Open  
Round/Closed  
FIG. 4  
1. Turn the Needle Adjusting Screw (16)  
clockwise until it is fully closed. (See  
FIG. 1.)  
2. After setting up a piece of scrap ma-  
terial, squeeze the Trigger (7) in short  
bursts while turning the Needle Ad-  
justing Screw (16) counterclockwise  
and observe the spray patterns until  
you see the pattern you want. Also,  
look at the pattern for consistency.  
Too much air may cause the spray  
to come out too fine. Reduce the  
air pressure or allow more material  
to come out by opening the Needle  
Adjusting Screw (16). If the spray  
appears too thick (you see globs of  
paint), close down the Needle Adjust-  
ing Screw (16) slowly, checking the  
mixture after each adjustment. (See  
FIG. 5 below.)  
Too Coarse  
(Tighten)  
Correct  
Too Fine  
(Loosen)  
FIG. 5  
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Page 12  
 
spirits on latex paints or the mixture  
will congeal making it very difficult  
to remove.  
USER-MAINTENANCE  
INSTRUCTIONS  
Procedures not specifically  
explained in this manual  
must be performed only by a  
qualified technician.  
Oil Based Paints: Use mineral spirits.  
After each use:  
1. Empty the paint Cup (31) and clean it  
with solvent, or water for latex paint.  
TO PREVENT  
SERIOUS INJURY  
2. Fill the paint Cup (31) with solvent  
and spray it through the Gun into  
a container, while shaking the gun.  
Once the paint Cup (31) is empty,  
repeat the process until the solvent  
comes out clean.  
FROM ACCIDENTAL  
OPERATION:  
Turn off the tool, detach the  
air supply, safely discharge  
any residual air pressure in  
the tool, and release the  
throttle and/or turn the switch  
to its off position before  
performing any inspection,  
maintenance, or cleaning  
procedures.  
3. Disconnect from the air source.  
After disconnecting, be aware that air  
pressure may still remain in the Spray  
Gun. Point the Gun into the spent  
solvent container and squeeze the  
Trigger (7) again to make sure no air  
remains.  
TO PREVENT SERIOUS  
INJURY FROM TOOL  
FAILURE:  
4. Remove the Air Cap (1) and soak  
it in solvent until it is clean. Use an  
old toothbrush and/or toothpicks to  
remove any material. Do not use  
metal objects to clean the Air Cap  
(1) or you may damage the drilled  
passages. Inspect the needle and  
make sure it is not bent. If it is bent,  
have it replaced by a certified service  
technician.  
Do not use damaged  
equipment. If abnormal  
noise, vibration, or leaking  
air occurs, have the problem  
corrected before further use.  
Cleaning, Maintenance, and  
Servicing  
Solvent Selection  
Warning!! Do not immerse the Spray Gun  
Always follow the paint manufactur-  
er’s recommendations for cleaning, sol-  
vent type, and disposing of used solvent.  
Run the water or solvent, depending on  
the type of paint used, under pressure for  
several minutes at least to clean out the  
inner channels and the spray orifice.  
Body in solvent!  
5. Use the appropriate solvent (depend-  
ing on the material sprayed) to wipe  
down the Gun body.  
6. Always lubricate the Spray Gun after  
cleaning. You may use a non-silicon  
oil or a light lubricant on all threaded  
connections prior to storing the unit.  
Latex Paints: Use warm, soapy water.  
IMPORTANT: Do not use mineral  
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Page 13  
 
7. Disposal: After cleaning your Spray  
Gun, properly dispose of your clean-  
ing solutions according to the solution  
manufacturer’s direction and local  
hazardous waste standards.  
2. The material is too thick. (Thin mate-  
rial according to the manufacturer’s  
instructions.)  
3. The air pressure is too low. (Increase  
air pressure within the Maximum PSI  
(115).  
Note: These procedures are in addition to  
the regular checks and maintenance  
explained as part of the regular op-  
eration of the air-operated tool.  
Problem 2:  
8. Daily - Air Supply Maintenance:  
Every day, perform maintenance on  
the air supply according to the manu-  
facturers’ instructions. Performing  
routine maintenance on the air sup-  
ply will allow the tool to operate more  
safely and will also reduce wear on  
the tool.  
1. High air pressure. (Reduce air pres-  
sure.)  
2. Not enough fluid. (Increase fluid.)  
3. Pattern Control Knob (10) open too  
much. (Partially close Pattern Control  
Knob (10).)  
9. Quarterly (every 3 months) - Tool  
Disassembly, Cleaning, and In-  
spection:  
Problem 3:  
1. Air Cap (1) plugged. (Clean the Air  
Cap (1).)  
Have the internal mechanism cleaned  
and inspected by a qualified techni-  
cian.  
2. Air cap (1) loose or dirty seat. (Clean  
Air Cap and threads with a stiff bristle  
brush such as an old toothbrush,  
wipe, reinstall and tighten.)  
TROUBLESHOOTING  
Spray Pattern Diagnosis  
3. Dried material on Fluid Nozzle (4).  
(Use a nonmetallic point to clean the  
Fluid Nozzle (1).  
The Patterns below resemble  
symptoms of spray pattern problems.  
Please refer to the accompanying  
possible problems if you are  
experiencing similar difficulties. The  
solution to each problem follows the  
problem in parentheses.  
Problem 4:  
1. Dirt on one side of the fluid nozzle.  
(Clean the fluid nozzle.)  
Problem 1:  
2. Holes on one side of the Air Cap (1)  
are plugged. (Clean the Air Cap (1)  
with a nonmetallic point.) Some of  
the holes in the Air Cap (1) are very  
small. You may want to consider an  
ultrasonic cleaner for this job.  
1. The Pattern Control Knob (10) is par-  
tially closed. (Open Pattern Control  
Knob (10).)  
SKU 97855  
For technical questions, please call 1-800-444-3353.  
Page 14  
 
Troubleshooting (continued)  
Problem  
Cause  
1. Low material level  
Solution  
1. Refill  
2. Cup tipped too far  
2. Hold upright  
3. Clogged Air Vent  
3. Clean vent hole  
4. Tighten  
Sputtering Spray  
4. Loose fluid inlet connections  
5. Dry or loose fluid needle Packing  
5. Lubricate and/or tighten  
Nut  
6. Loose/damaged fluid tip/seat  
6. Adjust or replace  
1. No pressure at gun  
1. Check air hoses  
2. Fluid control not open enough  
3. Fluid too thick  
2. Open fluid control  
Will Not Spray  
Overspray  
3. Thin fluid or increase pressure  
(within Maximum range)  
1. Move moderately and parallel  
1. Improper application speed  
2. Improper distance from workpiece 2. Adjust distance  
3. Too much pressure  
1. Dirty tip  
3. Reduce air pressure  
1. Clean  
2. Tight Packing Nut  
2. Loosen Packing Nut  
3. Replace  
Fluid Tip Leakage  
3. Broken fluid needle spring  
4. Worn or damaged tip  
1. Dirty air valve/seat  
4. Replace tip and/or needle  
1. Clean  
2. Sticking air valve  
2. Lubricate  
3. Replace  
4. Replace  
Air Leaking from Air  
Cap  
3. Damaged air valve spring  
4. Worn/damaged air valve/seat  
5. Bent valve stem  
5. Replace  
1. Packing Nut loose  
1. Tighten without restricting  
Fluid Leaking from  
Packing Nut  
2. Packing worn or dry  
2. Replace or lubricate (non-silicone)  
SKU 97855  
For technical questions, please call 1-800-444-3353.  
Page 15  
 
PLEASE READ THE FOLLOWING CAREFULLY  
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.  
SKU 97855  
For technical questions, please call 1-800-444-3353.  
Page 16  
 
PARTS LIST  
Part  
1
2
3
4
5
6
7
8
Description  
Air Cap  
Qty  
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Lock Ring  
Brass Ring  
Fluid Nozzle  
Trigger Bolt  
Gasket  
Trigger  
Gun Body  
9
Pattern Valve Seat  
Pattern Control Knob  
Pattern Needle  
Gasket  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
O-Ring  
Needle Spring  
Needle Holder  
Fluid Control Knob  
Needle  
Needle Screw  
Needle Seat  
Air Inlet Coupling  
Air Valve Spacer  
O-Ring  
Air Valve  
Air Spring  
Air Valve Seat  
Air Valve Cap  
Air Valve Screw  
Fluid Inlet Coupling  
Needle Guide  
Needle Packing Screw  
Cup (See Fig.1)  
Cup Locking Lever (See Fig.1)  
Cup Mounting Yoke (See Fig.1)  
SKU 97855  
For technical questions, please call 1-800-444-3353.  
Page 17  
 
ASSEMBLY DIAGRAM  
Record Product’s 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 avail-  
able individually as replacement parts.  
SKU 97855  
For technical questions, please call 1-800-444-3353.  
Page 18  
 
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.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
SKU 97855  
For technical questions, please call 1-800-444-3353.  
Page 19  
 

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