Harbor Freight Tools 93312 Product manual
Professional Spray Gun Kit
93312
ASSEMBLY and OPERATING INSTRUCTIONS
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
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© 2005 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.
For technical questions or replacement parts, please call 1-800-444-3353.
Contents
Specifications ..................................................................................................................2
Safety Warnings and Precautions ..................................................................................3
Unpacking ........................................................................................................................5
Air Connection ................................................................................................................. 6
Control Layout .................................................................................................................6
A Comparison: Conventional versus HVLP Spray Guns .............................................. 7
Preparation ......................................................................................................................8
Fan Direction and Pattern Adjustment .......................................................................... 8
Techniques ...................................................................................................................... 10
Maintenance ...................................................................................................................11
Parts List ........................................................................................................................12
Assembly Diagram .........................................................................................................13
Troubleshooting ..............................................................................................................14
Specifications
Inlet PSI Range: 50 to 70 PSI
Max. Operating Pressure: 70 PSI
Average Air Consumption for gun: 12.5 SCFM
Average Air Consumption for cup: 7.5 SCFM
Working Range: 3.5 to 14.5 SCFM
Air Pressure at Spray Gun: 10 to 30 PSI
Hose length: 6-1/2 feet
Paint Capacity: 2 Quart
Air Inlet: 1/4” - 18 NPS
Nozzle Size: .071”
Save This Manual
You will need the manual for the safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with this manual. Write the invoice number on the inside of the front cover. Keep
the manual and invoice in a safe and dry place for future reference.
REV 03/07; 06/07
SKU 93312 Page 2
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
Safety Warnings and Precautions
WARNING: When using tool, basic safety precautions should always be followed to
reduce the risk of personal injury and damage to equipment. Read all instructions before using this tool!
1. Keep work area clean. Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or power tools in damp or
wet locations. Don’t expose to rain. Keep work area well lit. Do not use air tools
in the presence of flammable gases or liquids.
3. Keep children away. Children must never be allowed in the work area. Do not let
them handle machines, tools, extension cords, or air hoses.
4. Store idle equipment. When not in use, tools must be stored in a dry location to
inhibit rust. Always lock up tools and keep out of reach of children.
5. Use the right tool for the job. Do not attempt to force a small tool or attachment
to do the work of a larger industrial tool. There are certain applications for which
this tool was designed. It will do the job better and more safely at the rate for which
it was intended. Do not modify this tool and do not use this tool for a purpose for
which it was not intended.
6. Dress properly. Do not wear loose clothing or jewelry as they can be caught in
moving parts. Protective, electrically nonconductive clothes and nonskid footwear
are recommended when working. Wear restrictive hair covering to contain long
hair.
7. Use eye and ear protection. Always wear ANSI approved impact safety goggles.
Always wear an ANSI approved dust mask or respirator when using this Spray
Gun.
8. Do not overreach. Keep proper footing and balance at all times. Do not reach over
or across running machines or air hoses.
9. Maintain tools with care. Keep tools clean for better and safer performance. Follow
instructions for lubricating and changing accessories. Inspect tool cords and air
hoses periodically and, if damaged, have them repaired by an authorized technician.
The handle must be kept clean, dry, and free from oil and grease at all times.
10. Disconnect air supply. Disconnect air hose when not in use, when changing
accessories, and during maintenance.
11. Remove adjusting wrenches. Check that adjusting wrenches are removed from
the tool before attaching to the air source.
12. Avoid unintentional starting. Be sure the trigger is in the Off position when not in
use and before attaching to the air source. Do not carry any tool with your finger
on the trigger, whether it is attached to the air compressor or not.
13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool
when you are tired.
SKU 93312 Page 3
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
14. Check for damaged parts. Before using any tool, any part that appears damaged
should be carefully checked to determine that it will operate properly and perform
its intended function. Check for alignment and binding of moving parts; any broken
parts or mounting fixtures; and any other condition that may affect proper operation.
Any part that is damaged should be properly repaired or replaced by a qualified
technician. Do not use the tool if the trigger does not operate properly.
15. Replacement parts and accessories. When servicing, use only identical replacement
parts. Use of any other parts will void the warranty. Only use accessories intended
for use with this tool. Approved accessories are available from Harbor Freight Tools.
16. Do not operate tool if under the influence of alcohol or drugs. Read warning
labels if taking prescription medicine to determine if your judgement or reflexes are
impaired while taking drugs. If there is any doubt, do not operate the tool.
17. Use proper size and type extension cord. If an extension cord is required for the
compressor, it must be of the proper size and type to supply the correct current to
the compressor without heating up. Otherwise, the extension cord could melt and
catch fire, or cause electrical damage to the compressor. Check your compressor’s
manual for the appropriate size cord.
18. Maintenance. For your safety, maintenance should be performed regularly by a
qualified technician and the unit must be thoroughly cleaned out after every use.
Improper cleaning of the Spray Gun is a common reason for the Spray Gun to
jam or not perform properly.
19. Compressed air only. Never use combustible gas as a power source. Never exceed
the recommended operating pressure of the any of the parts (i.e. hoses, fittings,
gun) of the Sprayer system.
20. 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. Do not
smoke while spraying.
21. Read all of the information concerning coating products and cleaning solvents.
Chlorinated solvents (e.g. 1-1-1 Trichlorethylene and Methylene Chloride, also known
as methyl chloride) can chemically react with aluminum and may explode. Many
paint sprayers contain aluminum. If you have any doubt about potential chemical
reactions, contact the solvent or coating manufacturer.
22. Materials used when painting or cleaning may be harmful or fatal if inhaled or
swallowed. Only use in an area with adequate ventilation. Use a respirator or mask
when painting or using cleaning solvents.
23. Never release the sprayer lid while the cup is pressurized.
24. Industrial applications must follow OSHA requirements.
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For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
25. Never point a spray gun at a person or animal. Serious injury could occur.
26. Spraying hazardous materials may result in serious injury or death. Do not spray
pesticides, acids, corrosive materials, fertilizers, and toxic chemicals.
27. 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.)
Note: Performance of the compressor (if powered by line voltage) may vary depending on
variations in local line voltage. Extension cord usage may also affect tool performance.
WARNING: The warnings, cautions, and instructions discussed in this instruction
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.
Unpacking
When unpacking, check to make sure the product is intact and undamaged. If any parts
are missing or broken, please call Harbor Freight Tools at the number on the cover of
this manual as soon as possible.
SKU 93312 Page 5
For technical questions, please call 1-800-444-3353;
Troubleshooting section at end of manual.
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