Central Pneumatic 68068 Montageanleitung

framing nailer

ITEM 68028

ITEM 68068

Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

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.

Diagrams within this manual may not be drawn proportionally. Due to continuing

improvements, actual product may differ slightly from the product described herein.

Tools required for assembly and service may not be included.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-800-444-3353 as soon as possible.

Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating,

inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual

near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and

the receipt in a safe and dry place for future reference.

Owner’s Manual & Safety Instructions

REV 12a

28° angle

21° angle

Page 2 For technical questions, please call 1-800-444-3353. Item 68028

68068

Table of Contents

Safety ......................................................... 2

Specifications ............................................. 6

Setup .......................................................... 7

Operation................................................... 10

Maintenance.............................................. 12

Parts List and Diagram.............................. 14

Warranty .................................................... 16

WARNING SYMBOLS AND DEFINITIONS

This is the safety alert symbol. It is used to alert you to potential personal injury hazards.

Obey all safety messages that follow this symbol to avoid possible injury or death.

Indicates a hazardous situation which, if not avoided,

will result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in death or serious injury.

Indicates a hazardous situation which, if not avoided,

could result in minor or moderate injury.

Addresses practices not related to personal injury.

Symbol Property or statement

PSI Pounds per square inch of pressure

CFM Cubic Feet per Minute flow

SCFM Cubic Feet per Minute flow

at standard conditions

NPT National pipe thread, tapered

NPS National pipe thread, straight

WARNING marking concerning

Risk of Eye Injury. Wear ANSI-approved

safety goggles with side shields.

Symbol Property or statement

Warning marking concerning

Risk of Puncture Injury.

Wear heavy-duty work gloves.

Read the manual before

set-up and/or use.

WARNING marking concerning

Risk of Hearing Loss.

Wear hearing protection.

WARNING marking concerning

Risk of Respiratory Injury. Wear

NIOSH-approved dust mask/respirator.

WARNING marking concerning

Risk of Explosion.

Table A: Symbol Definitions

SAFETY OPERATION MAINTENANCESETUP

Page 3For technical questions, please call 1-800-444-3353.Item 68028

68068

IMPORTANT SAFETY INSTRUCTIONS

INSTRUCTIONS PERTAINING TO A RISK OF FIRE,

ELECTRIC SHOCK, OR INJURY TO PERSONS

WARNING – When using tools, basic precautions should always be followed, including the following:

General

a. To reduce the risks of electric shock,

fire, and injury to persons, read all the

instructions before using the tool.

Work area

a. Keep the work area clean and well lighted.

Cluttered benches and dark areas increase the

risks of electric shock, fire, and injury to persons.

b. Do not operate the tool in explosive atmospheres,

such as in the presence of flammable liquids,

gases, or dust. The tool is able to create sparks

resulting in the ignition of the dust or fumes.

c. Keep bystanders, children, and visitors away

while operating the tool. Distractions are able

to result in the loss of control of the tool.

Personal safety

a. Stay alert. Watch what you are doing and

use common sense when operating the tool.

Do not use the tool while tired or under the

influence of drugs, alcohol, or medication.

A moment of inattention while operating the

tool increases the risk of injury to persons.

b. Dress properly. Do not wear loose clothing or

jewelry. Contain long hair. Keep hair, clothing, and

gloves away from moving parts. Loose clothes,

jewelry, or long hair increases the risk of injury to

persons as a result of being caught in moving parts.

c. Avoid unintentional starting. Be sure the

trigger is released before connecting to

the air supply. Do not carry the tool with

your finger on the trigger or connect the tool

to the air supply with the trigger pressed.

d. Do not overreach. Keep proper

footing and balance at all times.

Proper footing and balance enables better

control of the tool in unexpected situations.

e. Use safety equipment.

A dust mask, non-skid safety shoes and

a hard hat must be used for the

applicable conditions. Wear heavy-duty

work gloves during use.

f. Always wear eye protection.

Wear ANSI-approved safety goggles

with side shields.

g. Always wear hearing protection when

using the tool. Prolonged exposure to

high intensity noise is able to

cause hearing loss.

h. Do not attach the hose or tool to your body.

Attach the hose to the structure to reduce the

risk of loss of balance if the hose shifts.

i. Always assume that the tool contains fasteners.

Do not point the tool toward yourself or anyone

whether it contains fasteners or not.

j. WARNING – Do not fire fastener on top of another

fastener. This is able to cause the fastener to be

deflected and hit someone, or cause the tool to

react and result in a risk of injury to persons.

k. WARNING – Remove finger from the trigger when

not driving fasteners. Never carry the tool with

finger on trigger, the tool is able to fire a fastener.

SAFETYOPERATIONMAINTENANCE SETUP

Page 4 For technical questions, please call 1-800-444-3353. Item 68028

68068

Tool use and care

a. Use clamps or another practical way to secure

and support the workpiece to a stable platform.

Holding the work by hand or against the body

is unstable and can lead to loss of control.

b. Do not force the tool. Use the correct tool for the

application. The correct tool will do the job better

and safer at the rate for which the tool is designed.

c. Do not use the tool if the trigger does not

turn the tool on or off. Any tool that cannot

be controlled with the trigger is dangerous

and must not be used until repaired.

d. Disconnect the tool from the air source

before making adjustments, doing tool

maintenance, clearing jams, touching the

safety nosepiece, leaving work area, loading,

or unloading the tool. Such precautionary

measures reduce the risk of injury to persons.

e. Store the tool when it is idle out of reach

of children and other untrained persons.

A tool is dangerous in the hands of untrained users.

f. Maintain the tool with care.

A properly maintained tool reduces the risk

of binding and is easier to control.

g. Check for misalignment or binding of moving

parts, breakage of parts, and any other condition

that affects the tool’s operation. If damaged, have

the tool serviced before using. Many accidents

are caused by poorly maintained tools.

There is a risk of bursting if the tool is damaged.

h. Use only accessories that are identified by the

manufacturer for the specific tool model. Use of

an accessory not intended for use with the specific

tool model, increases the risk of injury to persons.

i. Use only those fasteners listed in the

Specifications chart of this manual.

Fasteners not identified for use with this tool by the

tool manufacturer are able to result in a risk of injury

to persons or tool damage when used in this tool.

Service

a. Tool service must be performed only

by qualified repair personnel.

b. When servicing a tool, use only identical

replacement parts. Use only authorized parts.

c. Use only the lubricants supplied with the

tool or specified by the manufacturer.

Air source

a. Never connect to an air source that is

capable of exceeding 200 PSI.

Over pressurizing the tool may cause

bursting, abnormal operation, breakage

of the tool or serious injury to persons.

Use only clean, dry, regulated compressed air at the

rated pressure or within the rated pressure range as

marked on the tool. Always verify prior to using the

tool that the air source has been adjusted to the rated

air pressure or within the rated air-pressure range.

b. Never use oxygen, carbon dioxide, combustible

gases or any bottled gas as an air source

for the tool. Such gases are capable of

explosion and serious injury to persons.

SAVE THESE INSTRUCTIONS.

SAFETY OPERATION MAINTENANCESETUP

Page 5For technical questions, please call 1-800-444-3353.Item 68028

68068

Specific Safety Instructions

1. Operators and others in work area MUST

wear ANSI-approved safety goggles with

side shields during use. The employer is

responsible to enforce the use of eye protection

by the operator and others in the work area.

2. Keep fingers away from trigger when not

driving fasteners to avoid accidental firing.

3. Choice of triggering method is important.

Check manual for triggering options.

4. Always assume the tool contains fasteners.

5. Do not point the tool toward yourself or anyone

whether it contains fasteners or not.

6. Do not actuate the tool unless the tool is

placed firmly against the workpiece.

7. Respect the tool as a working implement.

8. No horseplay. This tool is not a toy

and can be deadly if misused.

9. Do not load the tool with fasteners when any

one of the operating controls, such as the

Trigger or Safety Nosepiece, is activated.

10. Do not remove, tamper with, or otherwise cause

the tool operating controls to become inoperable.

11. Do not operate the tool if any portion of

the tool operating controls is inoperable,

disconnected, altered, or not working properly.

12. Disconnect the tool from the air supply when:

a. Unattended.

b. Performing any maintenance or repair.

c. Clearing a jam.

d. Moving the tool to a new location.

13. Do not make any modifications to this tool.

14. Refer to the tool maintenance instructions for detailed

information on the proper maintenance of the tool.

15. Fire fasteners into an appropriate work surface only.

Do not attempt to fire fasteners into surfaces too

hard to penetrate. Do not drive fasteners on top

of other fasteners, or at too steep of an angle.

Fasteners can ricochet causing personal injury.

16. Do not fire fasteners too close to the edge of

a workpiece. They may split the workpiece

and fly free, causing personal injury.

17. Keep clear of the workpiece near the area being

fastened. Fasteners may bend sideways during

firing, causing them to exit the workpiece at an

unexpected point, causing personal injury.

18. Transport tool safely. Always disconnect air

supply when moving the tool. Carry the tool by

the handle and avoid contact with the trigger.

19. Hold tool away from head and body. During operation

the tool may kick back causing injury.

20. Do not fire fasteners into a workpiece that has people,

utility lines, or other objects behind or inside it.

21. Keep balance while using this tool.

Keep area below clear if working in an elevated

location, and secure air hose to prevent falls

from bystanders accidentally pulling on it.

22. Obey the manual for the air compressor

used to power this tool.

23. Install an in-line shutoff valve to allow

immediate control over the air supply in an

emergency, even if a hose is ruptured.

24. Do not engrave or stamp anything into

the housing to avoid weakening it.

25. WARNING: Some dust created by power

sanding, sawing, grinding, drilling, and other

construction activities, contains 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

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 those dust masks that are

specially designed to filter out microscopic particles.

(California Health & Safety Code § 25249.5, et seq.)

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.)

26. The warnings and precautions discussed in this

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.

SAFETYOPERATIONMAINTENANCE SETUP

Page 6 For technical questions, please call 1-800-444-3353. Item 68028

68068

Vibration Precautions

This tool vibrates during use.

Repeated or long-term exposure to vibration may

cause temporary or permanent physical injury,

particularly to the hands, arms and shoulders.

To reduce the risk of vibration-related injury:

1. Anyone using vibrating tools regularly or for an

extended period should first be examined by a

doctor and then have regular medical check-ups to

ensure medical problems are not being caused or

worsened from use. Pregnant women or people who

have impaired blood circulation to the hand, past

hand injuries, nervous system disorders, diabetes,

or Raynaud’s Disease should not use this tool.

If you feel any symptoms related to vibration (such

as tingling, numbness, and white or blue fingers),

seek medical advice as soon as possible.

2. Do not smoke during use. Nicotine reduces

the blood supply to the hands and fingers,

increasing the risk of vibration-related injury.

3. Wear suitable gloves to reduce the

vibration effects on the user.

4. Use tools with the lowest vibration when there

is a choice between different processes.

5. Include vibration-free periods each day of work.

6. Grip tool as lightly as possible (while still keeping

safe control of it). Let the tool do the work.

7. To reduce vibration, maintain tool as explained

in this manual. If abnormal vibration occurs,

stop immediately.

SAVE THESE INSTRUCTIONS.

Functional Description

Specifications

Max. Air Pressure 120 PSI

Air Inlet 1/4″ -18 NPT

Air Consumption

@ 90 PSI

ITEM 68028: 3.5 CFM

ITEM 68068: 2 CFM

Safety Mechanism Single Sequential

Magazine Capacity 40

Fastener Type

ITEM 68028:

21º Full Head Nails

2″ to 3-1/2″ Long

ITEM 68068:

28º Full or Clipped Head Nails,

2-3/16″ to 3-9/16″ Long

Components and Controls

Trigger

Safety Nosepiece

Air Inlet Plug

Magazine

Air Deflector

Feeder Shoe

Depth

Knob

Safety Nosepiece: Also called the workpiece contact,

the Safety Nosepiece helps prevent the tool from

firing unless it is pressed against an object.

Depth Knob: This controls the depth that fasteners

penetrate. Most applications call for the fastener heads

to be flush with the surface or slightly sunken.

Turn the knob left to fire nails deeper.

Turn the knob right to fire nails shallower.

REV 12a

SAFETY OPERATION MAINTENANCESETUP

Page 7For technical questions, please call 1-800-444-3353.Item 68028

68068

Initial Tool Set Up/Assembly

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this

manual including all text under subheadings therein before set up or use of this product.

Note: For additional information regarding the parts listed in the following pages,

refer to the Assembly Diagram near the end of this manual.

Air Supply

TO PREVENT EXPLOSION:

Use only clean, dry, regulated, compressed air to power this tool. Do not use oxygen,

carbon dioxide, combustible gases, or any other bottled gas as a power source for this tool.

1. Incorporate a filter, regulator with pressure gauge,

oiler, in-line shutoff valve, and quick coupler for

best service, as shown on Figure A on page 8

and Figure B on page 9. An in-line shutoff

ball valve is an important safety device because

it controls the air supply even if the air hose

is ruptured. The shutoff valve should be a

ball valve because it can be closed quickly.

Note: If an automatic oiler system is not used,

add a few drops of Pneumatic Tool Oil into

the airline connection before operation.

Add a few more drops after each hour of continual use.

Note: This air tool may be shipped with a protective plug

covering the air inlet. Remove this plug before set up.

2. Attach an air hose to the compressor’s air outlet.

Connect the air hose to the air inlet of the tool.

Other components, such as a coupler plug

and quick coupler, will make operation

more efficient, but are not required.

WARNING! TO PREVENT SERIOUS INJURY

FROM ACCIDENTAL OPERATION:

Do not install a female quick coupler on the tool.

Such a coupler contains an air valve that will

allow the air tool to retain pressure and operate

accidentally after the air supply is disconnected.

Note: Air flow, and therefore tool performance,

can be hindered by undersized air supply components.

3. The air hose must be long enough to reach

the work area with enough extra length to

allow free movement while working.

4. Release the tool’s trigger.

5. Close the in-line safety valve between

the compressor and the tool.

6. Turn on the air compressor according to

the manufacturer’s directions and allow it

to build up pressure until it cycles off.

7. Adjust the air compressor’s output regulator

so that the air output is enough to properly

power the tool, but the output will not exceed

the tool’s maximum air pressure at any time.

Adjust the pressure gradually, while checking the

air output gauge to set the right pressure range.

8. 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″.

9. Inspect the air connections for leaks.

Repair any leaks found.

10. If the tool will not be used at this time, turn off

and detach the air supply, safely discharge

any residual air pressure, and release the

trigger to prevent accidental operation.

Note: Residual air pressure should not be present

after the tool is disconnected from the air supply.

However, it is a good safety measure to attempt to

discharge the tool in a safe fashion after disconnecting

to ensure that the tool is disconnected and unpowered.

SAFETYOPERATIONMAINTENANCE SETUP

Page 8 For technical questions, please call 1-800-444-3353. Item 68028

68068

Figure A: Portable Air Supply Setup

E H

Non-lubricated

Tools

Lubricated

Tools

Description Function

A Air Hose Connects air to tool

B Filter Prevents dirt and condensation from damaging tool or work piece

C Regulator Adjusts air pressure to tool

D Lubricator (optional) For air tool lubrication

E Coupler and Plug Provides quick connection and release

F Leader Hose (optional) Increases coupler life

G Air Cleaner / Dryer (optional) Prevents water vapor from damaging work piece

H Air Adjusting Valve (optional) For fine tuning airflow at tool

SAFETY OPERATION MAINTENANCESETUP

Page 9For technical questions, please call 1-800-444-3353.Item 68028

68068

Figure B: Stationary Air Supply Setup

L O

Non-lubricated

Tools

Lubricated

Tools

JKH

Slope

B B

A A

Description Function

A Vibration Pads For noise and vibration reduction

B Anchor Bolts Secures air compressor in place

C Ball Valve Isolates sections of system for maintenance

D Isolation Hose For vibration reduction

EMain Air Line - 3/4″ minimum recommended Distributes air to branch lines

F Ball Valve To drain moisture from system

GBranch Air Line -1/2″ minimum recommended Brings air to point of use

H Air Hose Connects air to tool

I Filter Prevents dirt and condensation from damaging tool or work piece

J Regulator Adjusts air pressure to tool

K Lubricator (optional) For air tool lubrication

L Coupler and Plug Provides quick connection and release

M Leader Hose (optional) Increases coupler life

N Air Cleaner / Dryer (optional) Prevents water vapor from damaging work piece

O Air Adjusting Valve (optional) For fine tuning airflow at tool

SAFETYOPERATIONMAINTENANCE SETUP

Page 10 For technical questions, please call 1-800-444-3353. Item 68028

68068

Operating Instructions

Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this

manual including all text under subheadings therein before set up or use of this product.

Inspect tool before use, looking for damaged, loose, and missing parts.

If any problems are found, do not use tool until repaired.

Work Piece and Work Area Set Up

1. Designate a work area that is clean and well-lit.

The work area must not allow access by children

or pets to prevent distraction and injury.

2. Route the air hose along a safe route to reach

the work area without creating a tripping hazard

or exposing the air hose to possible damage.

The air hose must be long enough to reach

the work area with enough extra length to

allow free movement while working.

3. Secure loose workpieces using a vise or clamps

(not included) to prevent movement while working.

4. There must not be hazardous objects

(such as utility lines or foreign objects) nearby

that will present a hazard while working.

Single Sequential Safety Trip Mechanism Definition

This tool has a single sequential safety trip mechanism, which is designed to prevent inadvertent firing.

The tool should only fire if the Safety Nosepiece is pressed against the workpiece prior to

pulling the Trigger. It should only fire again if the trigger is released and squeezed again.

The Tool should not fire if the Safety Nosepiece is not pressed against an object.

Single Sequential Safety Trip Mechanism Testing Procedure

TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION:

Empty the tool before this procedure. Point the tool at a piece of scrap wood when testing.

1. Disconnect the tool from the air supply.

2. Empty the magazine of fasteners.

3. Check that the Trigger and the Safety Nosepiece

move freely, without sticking.

4. Connect the air supply to the tool and

set within the Operating Air Pressure

indicated on the Specification chart.

5. Test the tool by pressing the Safety Nosepiece

against the workpiece without pulling the Trigger.

The tool must not cycle (fire). If it cycles (fires),

stop immediately and have it repaired

by a qualified service technician.

6. Hold the tool away, or off of the workpiece.

The Safety Nosepiece should return to its original

position. Squeeze the Trigger. The tool must not

cycle (fire). If it cycles (fires), stop immediately

and take the tool to a qualified service technician.

7. Press the Safety Nosepiece against the workpiece

and squeeze the Trigger. The tool must

cycle (fire) only once. Release the trigger and

squeeze it again. The tool must cycle (fire)

again only once. With the Trigger held, carefully

lift the tool 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.

SAFETY OPERATION MAINTENANCESETUP

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