ELECTRIC PAINT
SPRAY GUN
Model 47274
ASSEMBLY and OPERATING
INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Copyright © 2002 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 and replacement parts, please call 1-800-444-3353
8. Use eye and ear protection. Always wear ANSI approved impact safety goggles.
Wear an ANSI approved respirator when working around metal, wood, and chemical
dusts, mists, paints, oils, sealers, and stains.
9. Do not overreach. Keep proper footing and balance at all times. Do not reach over or
across running machines.
10. Maintain tools with care. Keep tools clean for better and safer performance. Follow
instructions for lubricating and changing accessories. Inspect tool cords periodically
and, if damaged, have them repaired by an authorized technician. The handles must
be kept clean, dry, and free from oil and grease at all times.
11. Avoid unintentional starting. Be sure the switch is in the Off position when not in
use and before plugging in. Do not carry any tool with your finger on the trigger,
whether it is plugged in or not.
12. Stay alert. Watch what you are doing, use common sense. Do not operate any tool
when you are tired.
13. 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 any switch does not turn On and Off properly.
14. Guard against electric shock. Prevent body contact with grounded surfaces such as
pipes, radiators, ranges, and refrigerator enclosures.
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 on prescriptions to determine if your judgment 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, it must
be of the proper size and type to supply the correct current to the tool without heating
up. Otherwise, the extension cord could melt and catch fire, or cause electrical
damage to the tool. This tool requires use of an extension cord of 0 to 10 amps
capability (up to 50 feet), with wire size rated at 18 AWG. Longer extension cords
require larger size wire. If you are using the tool outdoors, use an extension cord
rated for outdoor use (signified by “WA” on the jacket).
18. Maintenance. For your safety, maintenance should be performed regularly by a
qualified technician.
19. WARNING: This product contains or, when used, produces a chemical known to the
State of California to cause cancer and birth defects or other reproductive harm.
- An example of these chemicals is lead from lead-based paints.
SKU 47274
For technical questions, please call 1-800-444-3353.
Page 3
- Stains, oil-based paints, thinners, sealers, and water-proofers.
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 respirators that are specially designed
to filter out microscopic particles. (California Health & Safety Code § 25249.5, et seq. )
Note: Performance of this tool (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 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.
Additional Paint Gun Warnings
1. Although this paint gun is airless, it still puts out paint at a very high pressure. Through
improper use, paint can be injected through a persons skin, leading to serious injury,
possibly amputation. If paint is accidentally injected into someone’s skin, contact a
doctor immediately.
2. Never point your sprayer at anyone, including yourself. Gloves and clothing don’t offer
adequate protection from toxic paints, sealers, water-proofers, or stains.
3. Keep the trigger and the electrical cord plug clean and paint-free.
4. Never run your sprayer empty. Damage to the unit may occur.
5. Do not spray asbestos, metallic paints, glazes, red lead, cement, ground chalk,
abrasive grainy paints containing lime, or bleach through your spray gun. These will
severely damage the spray gun.
6. When storing, always coat the unit with a light household oil.
7. The Sprayer must be plugged into an outlet that is grounded in accordance with all
local codes and ordinances.
8. Use caution while spraying on windy days.
Unpacking
When unpacking, check to make sure the parts listed on page 8 are included. 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.
REV 10/04
SKU 47274
For technical questions, please call 1-800-444-3353.
Page 4
Operation
Regulator Knob
Pump
Locknut
Round
Jet Tip
Trigger
Power Cord
Pump
Housing
Container
1. Before loading the Container (17) with material, check the viscosity of the material.
2. Dip the Viscosity Cup into the material, and time how long it takes for the material to
completely run out of the cup (See FIGURE 1). The longer it takes, the higher the viscosity.
3. In general, most materials work adequately if the viscosity is
FIGURE 1
between 15 and 30 seconds.
4. If the viscosity is too high, you will have to thin the material to
use it. Follow the material manufacturer’s instructions for
thinning each material.
5. If you thinned materials, retest the viscosity.
Note: When using a material for the first time, it is
recommended that you experiment on newspaper attached
to a vertical surface, testing your spray patterns.
SKU 47274
For technical questions, please call 1-800-444-3353.
Page 5
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