Central Pneumatic 2471 User manual

PAINT/TEXTURE

AIR GUN

ASSEMBLY and OPERATING

INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

For technical questions and replacement parts, please call 1-800-444-3353

Model 02471

manual or any artwork contained herein may be reproduced in any shape or form

without the express written consent of Harbor Freight Tools.

Page 2SKU 02471

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.

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 lighted. Do not use electrically

powered 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, or extension cords.

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. Do not force tool. It will do the job better and more safely at the rate for which it was

intended. Do not use inappropriate attachments in an attempt to exceed the tool

capacity.

6. 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. Do not modify this tool and do not use this tool for a purpose for which

it was not intended.

7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in

moving parts. Protective, electrically non-conductive clothes and non-skid footwear

are recommended when working. Wear restrictive hair covering to contain long hair.

8. Use eye and breathing protection. Always wear ANSI approved impact safety

goggles. Wear an ANSI approved respirator when spraying.

Capacity 1.45 Gallons

Air Inlet 1/4” NPS (Male)

Recommended PSI 50 - 70 PSI

Cup Dimensions 10” H x 9-7/8” x 9”

Nozzle Sizes 4.5 mm (.177”), 6mm (.236”), 8mm (.314”)

Top Opening 7-7/8” L x 4-3/16”

CFM Required 4-6 CFM

Funnel Opening 1-5/8”

Specifications

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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 and hoses

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. Disconnect power. When not in use disconnect from compressor.

12. Remove adjusting keys and wrenches. Check that keys and adjusting wrenches

are removed from the tool or machine work surface before plugging it in.

13. Avoid unintentional starting. Do not carry any tool with your finger on the trigger,

whether it is plugged in or not.

14. Stay alert. Watch what you are doing, use common sense. Do not operate any tool

when you are tired.

15. 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.

16. Guard against electric shock. Prevent body contact with grounded surfaces such as

pipes, radiators, ranges, and refrigerator enclosures.

17. Replacement parts and accessories. When servicing, use only identical

replacement parts. Use of any other parts will void the warranty.

18. 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.

19. 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 air compressor

without heating up. Otherwise, the extension cord could melt and catch fire, or cause

electrical damage to the air compressor. Check air compressor manual.

20. Maintenance. For your safety, maintenance should be performed regularly by a

qualified technician.

21. Keep aware of air hoses. Be careful not to trip over air hoses while working. Check

air connections periodically.

22. Do not operate Spray Gun near open flames, pilot lights, heaters, or any other

heat source. Make sure you have adequate ventilation. Most solvents and paints

are extremely flammable, especially when sprayed. Never smoke cigarettes in the

same room you are working in.

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23. Read labels on cleaning solvents and paint coatings. Chlorinated solvents such

as 111-Trichloroethane and Methylene Chloride (also known as methyl-chloride) can

chemically react with aluminum and may explode. Many paint sprayers contain

aluminum. Contact solvent manufacturer or paint supplier if your are in doubt.

24. Paints and solvents may be harmful or fatal if swallowed or inhaled. Always use a

respirator that is appropriate for type of paint/solvent being used when spraying. Avoid

prolonged skin contact with solvents or paints as they will irritate skin. After contact,

immediately wash off exposed area with hot, soapy water.

25. Check all Spray Gun Seals and Air Connection. Before use, make sure the

Cup (#17) is fully tightened to the Body (#3). Make sure the air hose is securely

fastened to the Air Inlet (#13).

26. Read and understand all warnings and instructions provided in the instruction manual

of the air compressor being used.

27. Never point Paint/Texture Air Gun at people or animals.

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. Additionally, read all of the warnings

and instructions provided in the instruction manual of the air compressor you will be

using.

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.

(California Health & Safety Code 25249.5,

et seq.

)

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.

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Assembly

Refer to Assembly Drawing on page 9.

1. To attach the Cup (#17), use the Clamp (#18) to connect it to the Body (#3).

Operation

Warning! Never allow the Spray Gun and Cup (#17) to lay on it’s side when the Cup (#17) is

full of material.

Spray

Gun

For best service, you should incorporate an air dryer, a regulator, and an inline air filter, as

shown above. We recommend an air dryer to send moisture-free air to the Spray Gun. All are

available at Harbor Freight Tools.

1/4” NPS (Male)

1. You will need to prepare a 1/4” air connector (sold separately) to connect to the Air

Inlet (#13). First, wrap the 1/4” air connector (not included) with pipe thread seal tape before

connecting to a Air Source Hose (not included).

2. Attach air hose to the Air Inlet (#13) on the Spray Gun.

3. Set the air pressure on your compressor to 50-70 PSI. Do not exceed the recommended air

pressure of 70 PSI.

4. Check the air connection for leaks.

5. Turn off the compressor and disconnect the air source hose in preparation to load material.

Note: It is recommended that you test the Spray Gun on scrap material, to become familiar

with the available adjustments, prior to use.

1. Remove the Cup (#17) by loosening the Clamp (#18). Place the flat end of the cup down on

a flat surface. Using a funnel (not included) add no more than 1.45 Gallons of material through

the small opening of the Cup (#17). Insert the opening on the top of the Body (#3) down into

the open end of the Cup. Secure the Body (#3) and Cup (#17) together using Clamp (#18).

2. Connect the air hose to the Air Inlet (#13) and set the pressure to 50-70 PSI. Do not exceed

70 PSI.

3. Squeeze the Trigger (#14) to test the pattern.

4. Spray from a distance of approximately four to eight inches while keeping the Spray Gun

perpendicular to the ground.

5. Maintain your distance as you evenly move from side to side. Do not fan or arc the Spray

Gun or the paint will apply unevenly.

6. When you finish spraying, release the Trigger (#14), and disconnect the air hose.

7. Empty the Cup (#17). Never store the Cup (#17) with paint in it.

Warning! Even after the compressor is shut down, the Cup (#17) may still be pressurized.

Open it slowly and carefully.

Air

Dryer Compressor

Air

REV 06/05

Page 6SKU 02471

Adjustments

1. You can regulate the fluid flow with the Regulator Guide (#8). Slowly turn it to fine tune the

air pressure to meet your needs. You may also adjust the pressure with the air compressor.

Make sure you do not exceed the recommended 70 PSI.

2. You can change Nozzles (#2a, #2b, #2c) for different shaped sprays. First, disconnect

from the air source. Next, unscrew the Retaining Ring (#1). Unscrew the nozzle that is on

the unit and screw on the one you want to use. Screw on the Retaining Ring (#1).

It is recommended that you test all three nozzles by spraying on scrap material, to see the

spray patterns before using them.

Problem 1: Heavy top/bottom, or right/left pattern.

Cause: Material buildup on Nozzles (#2a, #2b, #2c).

Partially plugged Nozzles (#2a, #2b, #2c) center holes.

Solution: Remove Nozzles (#2a, #2b, #2c), soak in solvent, and wipe clean.

Cause: Material partially plugging Tip of Gun.

Solution: Remove Nozzles (#2a, #2b, #2c) and clean.

Cause: Damaged Needle Shaft (#9).

Solution: Have a qualified technician replace the Needle Shaft (#9)

Problem 2: Heavy Center Pattern

Cause: Too much paint.

Solution: Reduce fluid flow with the Regulator Guide (#8).

Cause: Coating too thick.

Solution: Thin out coating.

Problem 3: Split spray pattern.

Cause: Pressure too high.

Solution: Reduce air pressure at the regulator.

Cause: Not enough paint.

Solution: Increase fluid flow with the Regulator Guide (#8).

Problem 4: Jerky or fluttering spray.

Cause: Insufficient paint.

Solution: Fill Cup (#17).

Cause: Gun and Cup (#17) tipped at excessive angle.

Solution: Correct angle.

Problem 5: Air mixes with paint.

Cause: Worn Assembly Set (#11).

Solution:

Have a qualified technician replace the

Assembly Set (#11)

TroubleShooting

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Maintenance

Cleaning (Gun should be attached to compressor to complete the cleaning process.)

Warning!! Do not use paint strippers on this unit as they will damage the aluminum. Never

allow the unit to lay on it’s side while paint is in the Cup (#17).

1. Empty paint from Cup (#17) and add small amount of clean solvent. Replace Cup (#17)

and shake vigorously. At the lowest possible pressure, spray out the solvent into a waste

bucket (make sure you are wearing respirator and eye protection).

2. Empty Cup (#17) of remaining solvent and repeat the process until the Cup (#17) appears

clean and free of the paint.

3. Disconnect air supply. Remove surplus solvent and wipe the Cup (#17) clean with a lint

free cloth.

Note: The Cup (#17) may be fully immersed in solvent for no more than 24 hours if needed.

4. Loosen the Regulator Guide (#8) to expose the right side of the Needle Shaft (#9). Use

the toothbrush to clean the Needle Shaft (#9) with solvent. Replace and tighten the

Regulator Guide (#8) and the Needle Shaft (#9). Do not force any parts or they will break.

Wipe the entire Body (#3) clean with a lint free cloth.

Note: Always dispose of paints and solvents properly. Consult the local hazardous

waste authority for proper disposal procedures and sites.

Page 8SKU 02471

NOTE: Some parts are listed and shown for illustration purposes only and are not available

individually as replacement parts.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS

MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBU-

TOR 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.

Parts List

Part No. Description Qty.

1 Retaining Ring 1

2a Nozzle (.177”) 1

2b Nozzle (.236”) 1

2c Nozzle (.314”) 1

3 Body 1

4 0-ring 1

5 Fitting 1

6 0-ring 1

7 0-ring 1

8 Regulator Guide 1

8a O-ring 1

9 Needle Shaft 1

10 0-ring 2

11 Assembly Set 1

11a O-ring 1

12 Clip Ring 1

13 Air Inlet 1

14 Trigger 1

15 Pin 1

16 E-ring 1

17 Cup 1

18 Clamp 1

REV 06/05

Page 9SKU 02471

Assembly Drawing

11a

REV 06/05

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