Central Pneumatic 4041 User manual

FRAMING NAILER

21 DEGREE ANGLED / 10 GAUGE

Model 04041

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

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

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, please call 1-800-444-3353.

TO PREVENT SERIOUS INJURY,

READ AND UNDERSTAND ALL WARNINGS

AND INSTRUCTIONS BEFORE USE.

Revised Manual 01/04, 05/04, 09/04

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 2

PRODUCT SPECIFICATIONS

Save This 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. Do not expose to rain. Keep work area well lit. 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, 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 non-conductive clothes and non-skid footwear

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

7. Do not overreach. Keep proper footing and balance at all times. Do not reach over

or across running machines or air hoses.

REV 01/04 REV 08/05 REV 01/06 REV 11/06

Nail Size (.113” to .131”Thick), 10 Gauge (Round Head), 2-3/16” to

3-1/2” Long; 21o Full Head Nails

Magazine Capacity 60 Nails

Operating PSI 70 to 125 PSI*

Required Air CFM Intake 3 - 3.5 CFM at 90 PSI

Accessories Carrying Case, Safety Goggles, Machine Oil, 180 Nails

Features Single Sequential Safety Trip Mechanism, 360o Exhaust

Flow Adjustment, Soft Rubber Grip, 1/4” NPT (18 TPI) Air

Inlet with Screen, Adjustable Depth Drive

Weight 9.9 Lbs.

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.

* The air pressure setting must not exceed job site regulations/restrictions. The air

pressure setting must not exceed 90 PSI when being used with work pieces that

have a thickness of less than 1-3/4”.

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 3

REV 01/04

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

goggles and appropriate hearing protection. Wear a full face shield if you are

producing metal filings or wood chips. Wear an ANSI approved dust mask or

respirator when working around metal, wood, and chemical dusts and mists.

Other people in the work area must also wear ANSI approved impact safety

goggles.

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. Do not

operate a tool if any portion of the tool’s operating controls are inoperable, discon-

nected, altered or not working properly.

10. Disconnect Air Hose and release any built-up air pressure. Never service the

Nailer, clear jams, or disassemble with the air hose attached. Always release any

built-up air even after disconnecting hose. Disconnect the Nailer when not in use.

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

are removed from the tool or machine work surface before attaching to an air source.

12. Avoid unintentional starting. Be sure the trigger 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 attached to an air source or not. Do not point the tool towards yourself or anyone

whether it contains fasteners or not.

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

when you are tired.

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

as pipes, radiators, ranges, and refrigerator enclosures.

16. Replacement parts and accessories. This product is to be repaired and serviced

only by a qualified technician. When this product is serviced, only identical

replacement parts should be used. 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.

17. 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.

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 4

18. 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 compressor without

heating up. Otherwise, the extension cord could melt and catch fire, or cause electri-

cal damage to the tool. Check your air compressor’s manual for the appropriate size

cord. It is also possible that the use of an extension cord may cause your circuit

breaker to trip or your

panel fuse to break. If this happens, either use the compres-

sor without an extension cord or find a larger amperage circuit to use.

19. Maintenance. The maintenance outlined in the maintenance section should be

performed regularly. For your safety, this product should be serviced or repaired

regularly only by a qualified technician.

20. Compressed air only. Never use combustible gas as a power source.

21. Do not load nails with the trigger or safety depressed. Unintentional

firing may occur. Do not load nails when the air hose is connected to the tool.

Always assume that the tool contains fasteners.

22. Disconnect air supply before loading Nailer. Before reloading (or making any

adjustments to) the Nailer make sure that the compressed air is disconnected.

23. Fire nails into an appropriate work surface only. Do not attempt to fire nails into

surfaces too hard to penetrate. Do not drive nails on top of other nails, or at too steep

of an angle. Nails can ricochet causing personal injury. Never fire the Nailer into the

air, or point it toward yourself or another person. Always wear ANSI approved safety

goggles during use, maintenance, and reloading.

24. Do not fire nails too close to the edge of a workpiece. They may split the workpiece

and fly free, causing personal injury.

25. Take caution as some woods contain preservatives such as copper chromium

arsenate (CCA) which can be toxic. When or nailing these materials extra care

should be taken to avoid inhalation and minimize skin contact.

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other

construction activities, contain chemicals known [to the State of California] to

cause cancer, birth defects or other reproductive harm.

Some examples of these chemicals are:

• Lead from lead-based paints

• Crystalline silica from bricks and cement or other masonry products

• Arsenic and chromium from chemically treated lumber

(California Health & Safety Code 25249.5,

et seq.

)

26. Stay within air pressure capacity.Never operate the Nailer above 120 PSI.

27. Hold tool away from head and body. During operation the Nailer may kick back

causing injury.

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 5

UNPACKING

When unpacking, check to make sure all the parts shown on the Parts List on page 11

are included. If any parts are missing or broken, please call Harbor Freight Tools at the

number shown on the cover of this manual as soon as possible.

OPERATION

Nailer/

1/4”-18 NPT

For best service you should incorporate an oiler, regulator, and inline filter, as shown

in the Figure A above. Hoses, couplers, oilers, regulators, and filters are all available

at Harbor Freight Tools.

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

inlet on the Nailer. First, wrap the 1/4” air connector (not included) with pipe thread

seal tape before connecting to a 3/8” ID Air Source Hose (not included). Connect the

Air Source Hose to the Air Plug (79).

Note: If you are not using an automatic oiler system, before operation, add a few drops of

Pneumatic Tool Oil to the airline connection. Add a few drops more after each hour of

continual use.

2. Set the air pressure on your compressor to 70 - 125 PSI. Do not exceed the maximum

air pressure of 125 PSI.

3. Check the air connection for leaks.

Note: The amount of air pressure effects how deep the nails will be driven. It is

suggested that you experiment on scrap material.

4. Check the air connection for leaks and disconnect the Nailer.

FIGURE A

28. Transport Nailer safely. Always disconnect air supply when moving the tool in the

workplace. Carry the tool by the handle and avoid contact with the trigger.

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.

REV 11/06

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 6

TestingThe Single Sequential SafetyTrip Mechanism

Warning: Even though the nailer should be empty during this procedure, ALWAYS

point the Nailer at a piece of scrap wood when testing.

1. The Nailer should not fire if the nose is not depressed against the workpiece. This

tool has a single sequential safety trip mechanism, which is designed to prevent

inadvertent firing. The tool will only fire if the Safety (38) is resting on the workpiece

prior to pulling the Trigger (44).

2. Make sure the tool is disconnected from the air supply.

3. Empty the magazine of nails or staples.

4. Check that the Trigger (44) and the Safety (38) on the nose of the tool, move freely,

without sticking.

5. Connect the air supply to the tool at the Air Plug (79) and set at the recommended 70-

125 PSI, and not over the maximum 125 PSI.

6. Test the tool by depressing the Safety (38) on the nose of the tool against the workpiece

without pulling the Trigger (44). The tool must not cycle (fire). If it cycles (fires), stop

immediately and take the tool to a qualified service technician for repair.

7. Hold the tool away, or off of the workpiece. The Safety (38) or nose of the tool should

return to its original position. Squeeze the Trigger (44). The tool should not cycle

(fire). If it cycles (fires), stop immediately and take the tool to a qualified service

technician.

8. Depress the Safety (38) against the workpiece and squeeze the Trigger (44). The

tool must cycle (fire) once only. Release the trigger and squeeze it again. The tool

must cycle (fire) again only once. With the Trigger held, carefully lift the nailer and

press it against the workpiece again. The tool must not cycle (fire). If it fails to act in

the manner explained in bold, have it repaired by a qualified service technician.

Loading Nails

ALWAYS WEAR ANSI APPROVED IMPACT SAFETY GOGGLES WHEN

RELOADING OR DOING ANY OTHER MAINTENANCE ONTHISTOOL. Other

people in the work area must also wear ANSI approved impact safety goggles.

Warning! Make sure the Nailer is not attached to the air hose whenever loading the

tool.

1. CAUTION: Make sure to keep the Framing Nailer pointed away from you

and others at all times. Always disconnect the Framing Nailer from its air

supply

before

loading nails. Do not load nails with the Trigger (part #44), or

Bracket B (part #35), or Safety (part #38) depressed. (See Figure B)

2. Pull the Feeder Shoe (part #52) all the way to the rear, until it latches.

(See Figure B.)

REV 11/06

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 7

OPERATION

NOTE: For additional references to the parts listed below, refer to the Assembly

Diagram on page 11.

REV 01/04

3. Orient a strip of nails with the points down, and drop the strip of nails into the

Magazine (part #71). (See Figure C.)

4. Slide the strip of nails forward in the Magazine (part #71). NOTE: The Magazine

will hold 60, 10 gauge nails.

(See Figure C.)

5. Unlatch the Feeder Shoe (part #52), and allow the Feeder Shoe to slide forward

against the strip of nails. (See Figure C.)

1. Adjust the Exhaust Cover (4) to direct exhaust as desired.

2. To fire a nail, place the nose of the Nailer on the workpiece. The Nailer should not

fire if the Safety (38) is not depressed. Once the Safety is depressed, gently

and briefly squeeze the Trigger once to fire one nail. Release the Trigger. Do

not fire repeatedly; nails could bounce off on one another, damaging the

workpeice or causing personal injury.

3. With the nose of the Nailer on the workpiece, squeeze the Trigger again to

fire another nail. Continue firing nails as needed.

4. When the work is completed, disconnect the air supply and remove the nails from

the nailer.

Loading Nails (continued)

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 8

EXHAUST COVER (#4)

NAILS

(10 GAUGE)

(2-3/16”TO 3-1/2” LONG)

FEEDER SHOE

(#52)

NOSE (#29)

BRACKET A

(#35)

SAFETY (38)

TRIGGER

(#44)

FIGURE B

NOSE (#29)

REV 01/04

To Adjust The Depth To Which A Nail Is Driven

1. The depth to which a nail is driven is controlled by the Safety (part #38). (See

Figures B and C).

2. To adjust the depth of drive, loosen the Screw (part #37). Slide Safety (part #38)

up or down to the desired position. Then, re-tighten the Screw. Note: Sliding

Safety (38) upward increases the depth of drive. Sliding Safety downward de-

creases the depth of drive. (See Figure C).

3. Test fire a nail, and check its depth of drive. Repeat Step #2 as necessary to

achieve the desired depth of drive. (See Figure C).

QUICK COUPLER &

AIR SUPPLY HOSE

(NOT INCLUDED)

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 9

SAFETY

(#38)

RUBBER COVER (39)

SCREW (#37)

FIGURE C

REV 01/04

Anytime

any

maintenance or repairs are done (including clearing jams), FIRST:

1. Disconnect the Nailer from the air hose.

2. Empty the Magazine (71) completely.

3. Attempt to fire the Nailer into a piece of scrap wood to ensure that it is disconnected and is

incapable of firing any brads.

4. Always leave the Magazine (71) open during maintenance. The Magazine is spring-

loaded and may cause parts or a nail to fly out of the Nailer.

Clearing Jams

1. Disconnect tool from air hose. Always fire the trigger repeatedly to make sure all of

the air is expended from the Nailer.

2. If a nail is jammed in the discharge area, simply remove it with pliers.

3. If a nail is jammed in the magazine, pull the Feeder Shoe (#52) all the way back to

the engaged position. Using a screwdriver, attempt to release the jammed nail by

probing either or all of the openings in the magazine (see Figure D ) to release the

nail. Pull out the jammed nail and the remainder of the nail strip that is still in the

magazine. Dispose of the remaining nail strip; it may be bent or damaged in some

other way. Reload the magazine with a new nail strip. Pull back on the Feeder

Shoe (#52) and with your other hand, pull the tab down on the Lock (#67), and

guide the Feeder Shoe (#52) back into position. If you are unable to clear the nail

jam using the method prescribed above, the tool should be taken to a qualified

service technician for proper servicing.

SKU 04041 For Technical Questions, Please Call 1-800-444-3353 Page 10

INSPECTION, MAINTENANCE, AND CLEANING

1. CAUTION: Always disconnect the Framing Nailer from its compressed air supply

source before performing any inspection, maintenance, or cleaning.

2. BEFORE EACH USE, inspect the general condition of the Framing Nailer.

Check for loose screws, misalignment or binding of moving parts, jammed nails,

cracked or broken parts, damaged air supply hose, and any other condition that

may affect the safe operation of this tool. If abnormal noise or vibration occurs,

immediately disconnect the Framing Nailer from its compressed air supply

source and have the problem corrected before further use.

Do not use damaged equipment.

3. PERIODICALLY, use a premium quality, lightweight oil to lubricate all moving

parts.

4. When necessary, wipe with a damp cloth, using a mild detergent or mild solvent.

5. When storing, keep the Framing Nailer in its Carrying Case (part #80) or covered

with a clean cloth.

REV 01/04

FIGURE D

Probe in these areas with a

screwdriver to release jammed nails.

Anytime

any

maintenance or repairs are done (including clearing jams), FIRST:

1. Disconnect the Nailer from the air hose.

2. Empty the Magazine (71) completely.

3. Attempt to fire the Nailer into a piece of scrap wood to ensure that it is disconnected and is

incapable of firing any brads.

4. Always leave the Magazine (71) open during maintenance. The Magazine is spring-

loaded and may cause parts or a nail to fly out of the Nailer.

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