Central Pneumatic 93680 Manuale utente

AIR BRAD NAILER OIL FREE

18 GAUGE

Model 93680

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit ourWeb 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.

(Due to continuing improvements, actual product may differ slightly from the product described herein.)

PRODUCT SPECIFICATIONS

SAVE THIS MANUAL

You will need this manual for the safety warnings and precautions, assembly, operating,

inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep

your invoice with this manual. Write the invoice number on the inside of the front cover.

Keep this 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. 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.

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 2

Item Description

Brad Capacity 5/8” to 2”

Brad Gauge 18 Gauge

Magazine Capacity Up to 110 Brads

Operating PSI 50 to 110 PSI

Maximum PSI 110 PSI

Required CFM 4 to 6 SCFM @ 90 PSI

Air Inlet Size ¼”-18 NPT

Inlet Screen 20-Mesh

Accessories 3mm Hex Wrench (Qty. 1) / 4mm Wrench (Qty. 1)

1” Brads (Qty. 1000) / 2” Brads (Qty. 1000)

Additional Features Oil Free Lubrication / 360 Degree Adjustable Exhaust

Single Sequential Trigger Mechanism

Unit Weight 3.15 Pounds

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

foot-wear 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.

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, disconnected, 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 wrenches. Check that adjusting wrenches are removed

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

12. Avoid unintential 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 staples 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.

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 3

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 4

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.

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 electrical 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 compressor 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. Use clean, dry, regulated, compressed air at between 50

and 110 PSI. Never use oxygen, carbon dioxide, combustible gases, or any

other bottled gases a power source for this tool.

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

may occur. Do not load brads when the air hose is connected to the tool. Always

assume the tool contains brads.

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

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

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

brads into surfaces too hard to penetrate. Do not double-fire on the same

spot. Do not drive brads on top of other brads, or at too steep an angle. Brads

can ricochet, causing personal injury. Never fire the Nailer into the air, or point it

toward yourself or another person. Always wear ANSI approved impact safety

goggles during use, maintenance, and reloading.

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

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

chromium arsenate (CCA) which can be toxic. When 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, cement, and 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 110 PSI.

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

back, causing injury.

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

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

29. Avoid working alone. If an accident happens, an assistant can bring help.

30. 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 the tool performance.

31. 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 that all accessories listed on page 11 are

included, and the product is intact and undamaged. 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.

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 5

workpiece and fly free, causing personal injury.

TESTING THE SINGLE SEQUENTIAL SAFETY TRIP 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. Make sure the tool is disconnected from its air supply.

2. Completely empty the Magazine Assembly (82) of Brads.

3. Make sure the Trigger (42) and Driver Guide (54) move freely, without sticking.

4. The Nailer should not fire if the Driver Guide (54) is not depressed against the

workpiece.

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 6

OPERATION

For best service, you should incorporate a regulator and in-line filter as shown in

the diagram below. Hoses, couplers, regulators, and filters are all available at

Harbor Freight Tools.

FILTER

REGULATOR

QUICK

COUPLER

QUICK

CONNECTOR

QUICK

COUPLER

QUICK

CONNECTOR

DRIVER GUIDE (54)

TRIGGER

(42)

MAGAZINE ASSY. (82)

QUICK CONNECTOR (48)

5. Connect the air supply to the tool at the Quick Connector (48). Set the regulator

at the recommended 50 to 110 operating PSI. Do not exceed the maximum

110 PSI.

6. Test the tool by depressing the Driver Guide (54) against the workpiece without

pulling the Trigger (42). The tool must not cycle (fire). If it cycles (fires), stop

immediately and have it repaired by a qualified service technician.

7. Hold the tool away or off the workpiece. The Driver Guide (54) of the tool should

return to its original position. Squeeze the Trigger (42). The tool should not

cycle (fire). If the tool cycles (fires), stop immediately and have it repaired by a

qualified service technician.

8. Depress the Driver Guide (54) against the workpiece and squeeze the Trigger

(42). The tool must cycle (fire) only once. Release the Trigger and squeeze it

again. The tool must cycle (fire) 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 perform in the manner explained in bold, have it repaired by a

qualified service technician.

LOADING BRADS

WARNING: Always wear ANSI approved impact safety goggles when

reloading or performing any other maintenance on this tool. Other people in

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

1. Depress the Lock Lever (63) to release the Magazine Assembly (82) and pull the

Magazine out fully.

2. Place a full clip of the desired size Brads (5/8” to 2”) in the Magazine Assembly

(82). Up to 110 Brads may be loaded in the Magazine.

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 7

MAGAZINE ASSY.

(82)

LOCK LEVER

(63)

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 8

3. Push the Magazine Assembly (82) back into the Nailer and secure it with the

Lock Lever (63).

OPERATING THE NAILER

1. Attach the Nailer to the air supply at the Quick Connector (48). Start your

compressor and check the pressure, making sure it is set at the recommended 50-

110 PSI. Do not exceed the maximum 110 PSI.

2. Rotate the Exhaust Valve Collar (1) so that the exhaust air blast will be directed

away from the operator.

WARNING: Always keep hands away from the workpiece when firing.

3. To fire, place the Driver Guide (54) of the Nailer on the workpiece. The Nailer

should not fire if the Driver Guide is not depressed. Once depressed, gently and

briefly squeeze the Trigger (42) once; one Brad will be fired.

4. Do not press the Driver Guide (54) against the workpiece with extra force. Allow

the tool to do the work. Always allow the tool to recoil off the work surface.

5. When finished using the Nailer, always disconnect the tool from its air supply.

Empty the Magazine Assembly (82) completely of Brads. Attempt to fire the

Nailer into a piece of scrap wood to ensure it is disconnected and is incapable of

firing any Brads.

6. Make sure to store the Nailer in a clean, dry, safe location out of reach of children.

DRIVER GUIDE (54)

MAGAZINE ASSY. (82)

TRIGGER

(42)

QUICK CONNECTOR (48)

EXHAUST VALVE COLLAR (1)

LOCK LEVER

(63)

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 9

Note: Always wear ANSI approved impact safety goggles.

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

1. Disconnect the Nailer from its air supply.

2. Empty the Magazine Assembly (82) 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 Assembly (82) open during maintenance. The

Magazine is spring loaded, and may cause parts or a Brad to fly out of the Nailer.

CLEARING JAMS

1. Occasionally, a Brad may become jammed in the firing mechanism of the

Nailer, making the tool inoperable. While wearing ANSI approved impact safety

goggles, remove the jammed Brad, disconnect the Nailer from its air supply.

Empty the Magazine Assembly (82) completely of Brads. Attempt to fire the Nailer

into a piece of scrap wood to ensure it is disconnected and is incapable of firing

any Brads.

2. Unscrew and remove the three Screws (60) that hold the Driver Guide Cover

(57) in place. Then, remove the Driver Guide Cover. This allows access to the

Driver Guide (54) where a Brad will usually jam.

3. Use a pair of needle nose pliers to remove the jammed Brad. Then replace the

Driver Guide Cover (57), making sure to tighten the three Screws (60). Also,

make sure the Driver Guide (54) moves freely.

4. Reload the Nailer with Brads. Then, reconnect the air supply hose to the tool.

5. Press the Driver Guide (54) against a piece of scrap wood, and test fire the

Nailer several times while checking for proper operation. If the Nailer is properly

firing, you may continue using the tool. If the tool fails to perform properly,

immediately discontinue use and have the tool repaired by a qualified service

technician.

6. When finished working, disconnect the air supply. Remove the Brads. Then,

store the Nailer in a clean, dry, safe location out of reach of children.

Note: Always wear ANSI approved impact safety goggles.

Anytime any maintenance or repairs are done, FIRST:

1. Disconnect the Nailer from its air supply.

2. Empty the Magazine Assembly (82) 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 Assembly (82) open during maintenance. The

Magazine is spring loaded, and may cause parts or a Brad to fly out of the Nailer.

SKU 93680 For technical questions, please call 1-800-444-3353 PAGE 10

INSPECTION, MAINTENANCE, AND CLEANING

1. Inspect the air supply Screen that is located in the Inlet Plug (47) before each

use, and clean or replace as necessary. Dirt and water in the air supply Screen

are major causes of pneumatic tool wear. Use a filter in the compressed air

system for better performance and longer tool life. The filter must have adequate

flow capacity for the specific application.

2. Clean the external parts of the Nailer with a clean cloth and mild detergent or

non-flammable solvent. Then, dry.

3. Store the tool in a clean, dry, safe location out of reach of children.

4. CAUTION: All maintenance, service, or repairs not listed in this manual

are only to be attempted by a qualified service technician.

TROUBLESHOOTING

Problem Possible Solution

Air leak near top of tool. 1. Tighten all screws on the cylinder cap.

2. Have a qualified service technician install a head valve

piston set.

Tool does not work. 1. Make sure compressor regulator is set between 50 to

110 PSI.

2. Check all air connections for leaks.

3. Make sure to fully depress the Driver Guide on the

workpiece when attempting to fire a nail.

4. Check for nail jams. Clear the jam if necessary.

5. Have a qualified service technician check out the tool.

Sluggish operation. 1. Make sure compressor regulator is set between 50 to

110 PSI.

2. Check all air connections for leaks.

3. Have a qualified service technician install a head valve

piston set.

Air leak near bottom of tool. 1. Tighten all screws.

2. Have a qualified service technician replace the bumper or

head valve piston set.

Poor return after firing tool. 1. Have a qualified service technician clean the interior of

the tool and/or replace the bumper or head valve piston

set.

Weak driving force. 1. Make sure compressor regulator is set between 50 to

110 PSI.

2. Check all air connections for leaks.

3. Have a qualified service technician clean the interior of

the tool and/or install a head valve piston set.

Poor feed. 1. Have a qualified service technician clean the interior of

the tool and/or lubricate the magazine and install a new

magazine spring.

Tool jamming too often. 1. Have a qualified service technician clean the interior of

the tool and/or lubricate the magazine and install a new

magazine spring.

Other problems. 1. Have a qualified service technician check out the tool.

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