Page 1
16 GAUGE AIR FINISH NAILER
Model
68023
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read and understand tool labels and
manual. Failure to follow warnings could
result in DEATH or SERIOUS INJURY.
SAVE THIS MANUAL.
Copyright© 2010 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. 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.
For technical questions or replacement parts, please call 1‑800‑444‑3353.
Page 2
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.
CAUTION, without the
safety alert symbol, is
used to address practices not
related to personal injury.
Symbol Denitions
Symbol Property or statement
PSI
CFM
Pounds per square inch of pressure
Cubic Feet per Minute ow
Safety Alert Symbol and Signal
Words
In this manual, on the labeling, and
all other information provided with
this product:
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.
DANGER indicates a
hazardous situation
which, if not avoided, will result
in death or serious injury.
WARNING indicates a
hazardous situation
which, if not avoided, could
result in death or serious injury.
SCFM
NPT
NPS
Cubic Feet per Minute ow at standard
conditions
National pipe thread, tapered
National pipe thread, straight
WARNING marking concerning Risk of
Eye Injury. Wear ANSI-approved safety
goggles with side shields.
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 NIOSHapproved dust mask/respirator.
WARNING marking concerning Risk of
Explosion.
CAUTION, used with
the safety alert
symbol, indicates a hazardous
situation which, if not avoided,
could result in minor or moderate
injury.
NOTICE is used to
address practices not
related to personal injury.
Page 2 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Important Safety Instructions
IMPORTANT INSUCTIONS
INSTRUCTIONS PERTAINING
TO A RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY
TO PERSONS
Page 3
WARNING – When using tools, basic
precautions should always be followed,
including the following:
General
a. To reduce the risks of electric shock,
re, 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, re, and injury to persons.
b. Do not operate the tool in explosive
atmospheres, such as in the presence
of ammable 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
c. Avoid unintentional starting. Be
sure the trigger is released before
connecting to the air supply. Do not
carry the tool with your nger 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.
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 inuence
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.
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 re fastener on
top of another fastener. This is able to
cause the fastener to be deected and
hit someone, or cause the tool to react
and result in a risk of injury to persons.
k. WARNING – Remove nger from the
trigger when not driving fasteners.
Page 3For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 4
Never carry the tool with nger on
trigger, the tool is able to re a fastener.
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.
h. Use only accessories that are
identied by the manufacturer for
the specic tool model. Use of an
accessory not intended for use with the
specic tool model, increases the risk of
injury to persons.
i. Use only those fasteners listed in the
Specications chart of this manual.
Fasteners not identied 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
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.
a. Tool service must be performed only
by qualied 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 specied 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.
Page 4 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 5
SAVE THESE
INSTRUCTIONS.
c. Clearing a jam.
d. Moving the tool to a new location.
13. Do not make any modications to tool.
Specic Safety Instructions
SPECIFIC 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 ngers away from Trigger (38)
when not driving fasteners to avoid
accidental ring.
3. Choice of triggering method is
important. Check manual for
triggering options.
4. Always assume tool contains fasteners.
5. Do not point toward yourself or anyone
whether it contains fasteners or not.
6. Do not actuate tool unless the tool is
placed rmly against the workpiece.
7. Respect the tool as a working implement.
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
re 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 re fasteners too close to edge of
a workpiece. They may split workpiece
and y free, causing personal injury.
17. Keep clear of workpiece near the area
being fastened. Fasteners may bend
sideways during ring, causing them
to exit the workpiece at an unexpected
point, causing personal injury.
18. Transport Tool safely. Always disconnect
air supply when moving tool. Carry tool
by handle and avoid contact with trigger.
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, is activated.
10. Do not remove, tamper with, or otherwise
cause the tool operating controls to
become inoperable.
11. Do not operate if any portion operating
controls is inoperable, disconnected,
altered, or not working properly.
12. Disconnect tool from air supply when:
a. Unattended.
b. Performing any maintenance or repair.
19. Hold tool away from head and body.
During operation the Tool may kick back
causing injury.
20. Do not re 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.
Page 5For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 6
23. Install in-line shutoff valve to allow
immediate control over 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 lter 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 manual cannot cover all possible
conditions and situations that may occur.
It must be understood by operator that
common sense and caution are factors
which cannot be built into this product,
but must be supplied by the operator.
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 rst
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
ngers), seek medical advice as soon as
possible.
2. Do not smoke during use. Nicotine
reduces the blood supply to the hands
and ngers, 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
Vibration Precautions
INSTRUCTIONS.
This tool vibrates during use. Repeated
or long-term exposure to vibration may cause
temporary or permanent physical injury,
Page 6 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 7
FUNCTIONAL DESCRIPTION
Functional Description
to the Assembly Diagram near the end of
this manual.
Specications
Maximum Air
Pressure
Air Consumption 1 CFM @ 90 PSI
Air Inlet 1/4” -18 NPT
Fastener Sizes 1-1/4”, 1-1/2”, 1-3/4”, 2”, 2-1/2”
Magazine Capacity 100
120 PSI
Components and Controls
Air Deector (2)
Trigger
(38)
Safety (51)
Safety Nosepiece - Also called the workpiece
contact, the Safety Nosepiece helps
prevent the tool from ring unless it is
pressed against an object.
Initial Tool Setup/Assembly
INITIAL 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.
Air Inlet
Plug (83)
Latch (73)
Unpacking
When unpacking, make sure that the
item is intact and undamaged. If any parts
are missing or broken, please call Harbor
Freight Tools at 1-800-444-3353 as soon as
possible.
• This air tool may be shipped with a
protective plug covering the air inlet.
Remove this plug before set up.
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. Connect a regulator valve, an in-line shut
off valve and 1/4” NPT air hose (all sold
separately) to the Quick Coupler. Use
thread tape on all threaded connections.
The air hose must be long enough to
reach the work area with enough extra
length to allow free movement while
working. An in‑line shutoff ball valve
is an important safety device because
it controls air supply even if air hose
is ruptured. The shutoff valve should
be a ball valve because it can be
closed quickly. See pages 8 and 9 for
Air Tool Setup procedures.
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: For additional information regarding the
parts listed in the following pages, refer
Page 7For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 8
Air Tool & Spray Gun Portable Setup
F
E
A
E H
A
C
D
C
B
Lubricated
Tools
A
G
B
Non-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
F Leader Hose (optional) Increases coupler life
E Coupler and Plug Provides each connections
D Lubricator (optional) For air tool lubrication
H Air Adjusting Valve (optional) For ne tuning airow at tool
G Air Cleaner / Dryer (optional) Prevents water vapor from damaging work piece
Page 8 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 9
Air Tool & Spray Gun Stationary Setup
F
O
M
M N
L
Slope
L
K
J
C
Lubricated
Tools
G
E
D
C
H
C
J
F
I
H
Non-lubricated
Tools
F
Increases coupler life
Description Function
B B
A A
I Air Cleaner / Dryer (optional) Prevents water vapor from damaging work piece
J Regulator Adjusts air pressure to tool
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
F Ball Valve To drain moisture from system
E Main Air Line - 3/4” minimum recommended Distributes air to branch lines
D Isolation Hose For vibration reduction
H Filter Prevents dirt and condensation from damaging tool or work piece
G Branch Air Line -1/2” minimum recommended Brings air to point of use
L Air Hose Connects air to tool
K Lubricator For air tool lubrication
N Air Adjusting Valve For ne tuning airow at tool
O Leader Hose
M Coupler and Plug Provides each connections
Page 9For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 10
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 efcient, but are
not required.
WARNING! TO PREVENT SERIOUS
INJURY FROM ACCIDENTAL
OPERATION:
Do not install a quick coupler on the
tool. 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 ow, 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.
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.
4. Release the 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”.
Page 10 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 11
OPERATING INSTRUCTIONS
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.
Safety are released rst, and then both are
depressed again. The Tool should not re if
the Safety is not pressed against an object.
Full 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 tool from the air supply.
2. Empty the Magazine (66) of fasteners.
3. Check that the Trigger and the Safety
move freely, without sticking.
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.
Full Sequential Safety Trip
Mechanism Denition
This tool has a full sequential safety
trip mechanism which is designed to prevent
inadvertent ring. The tool should only re
if the Safety (51) is pressed against the
workpiece prior to pulling the Trigger. It
should only re again if both Trigger and
4. Connect the air supply to the tool and
set within the Operating Air Pressure
indicated on the Specication chart.
5. Test the tool by pressing the Safety
against the workpiece without pulling the
Trigger. The Tool must not cycle (re).
If it cycles (res), stop immediately and
have it repaired by a qualied service
technician.
6. Hold the tool away or off of the
workpiece. The Safety should return
to its original position. Squeeze the
Trigger. The tool must not cycle (re).
If the tool res, stop immediately and
have it repaired by a qualied service
technician.
7. Press the Safety against the workpiece
and squeeze the Trigger. The tool must
cycle (re) only once. Release the
Trigger and squeeze it again. The tool
must not cycle (re). With the Trigger
held, carefully lift the tool and press
it against the workpiece again. The
Page 11For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 12
tool must not cycle (re). If it fails to
perform in the manner explained in bold,
have it repaired by a qualied service
technician.
Loading the Tool
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL OPERATION,
BEFORE LOADING:
• Wear ANSI‑approved safety
goggles with side shields. Other
people in the work area must also
wear ANSI-approved impact safety
goggles with side shields.
• Release the Trigger.
• Detach the air supply.
• Attempt to re the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of ring any fasteners.
1. Pull the Pusher (71) down until it locks
into place at the back of the Magazine.
2. Insert the fasteners into the top of the
Magazine. NOTE: Load fasteners with
the pointed ends facing downward.
3. Hold the Pusher in place while pressing
the Latch, unlocking the Pusher.
WARNING! The Pusher is spring-loaded
and will forcefully move forward when
released. Once the Position Latch is
pressed, make sure to hold the Pusher
in place, and then guide it up the back of
the Magazine.
General Operating Instructions
1. Test the Tool, as directed in the prior
section, before each use.
2. If an automatic oiler is not used, add a
few drops of Pneumatic Tool Oil to the
airline connection before use. Add a few
drops more after each hour of continual
use.
3. Set the working air pressure on the
regulator to between 60 and 120 PSI.
Do not exceed 120 Max. PSI.
4. Test before rst use by driving nails into
a sample piece of wood. If the fasteners
do not achieve the desired penetration,
adjust the air pressure to a higher setting
until desired penetration is achieved.
5. Always make sure the Drive Guide (54)
is ush against the workpiece during
use. Always release the Trigger once the
fastener is driven into the workpiece.
6. If the tool requires more force to
accomplish the task, verify that the
tool receives sufcient, unobstructed
airow (CFM) and increase the pressure
(PSI) output of the regulator up to the
maximum air pressure rating of this tool.
CAUTION! TO PREVENT TOOL AND
ACCESSORY FAILURE, RESULTING
IN INJURY: Do not exceed the tool’s
maximum air pressure rating.
If the tool still does not have sufcient
force at maximum pressure and
sufcient airow, then a larger tool may
be required.
7. After use, to prevent accidents:
a. Release the Trigger.
b. Detach the air supply.
c. Attempt to re the Tool into a piece
of scrap wood to ensure that it is
disconnected and is incapable of
ring any fasteners.
d. Release the Trigger.
e. Clean external surfaces with clean,
dry cloth.
f. Store indoors out of children’s reach.
Page 12 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 13
User‑Maintenance Instructions
USER‑INSTRUCTIONS
Procedures not specically
explained in this manual must
be performed only by a qualied
technician.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL OPERATION,
BEFORE ANY MAINTENANCE OR
REPAIRS ARE DONE (including
clearing jams):
• Wear ANSI‑approved safety
goggles with side shields. Other
people in the work area must also
wear ANSI-approved impact safety
goggles with side shields.
• Release the Trigger.
• Detach the air supply.
• Attempt to re the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of ring any fasteners.
• Empty the magazine and leave
Pusher pulled back during
service. The Pusher is spring‑
loaded and may cause parts or a
fastener to y out of the Tool.
TO PREVENT SERIOUS INJURY
FROM TOOL FAILURE: Do not
use damaged equipment. If
abnormal noise, vibration, or
leaking air is detected, correct
problem before further use.
TO PREVENT EXPLOSION:
Lubricate only with specied
lubricants. Lubricate the air inlet
using only pneumatic tool oil.
Lubricate the internal mechanism
using only white lithium grease.
Other lubricants may damage the
mechanism and may be highly
ammable, causing an explosion.
Note: These procedures are in addition to
the regular checks and maintenance
explained as part of the regular operation
of the air-operated tool.
Daily ‑ Air Supply Maintenance:
Every day, perform maintenance on the
air supply according to the component
manufacturers’ instructions. The
lubricator’s oil level needs to be
maintained and the moisture lter must
be regularly drained. Performing routine
maintenance on the air supply will allow
the tool to operate more safely and will
also reduce wear on the tool.
Clearing Jams
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL OPERATION,
BEFORE ANY MAINTENANCE OR
REPAIRS ARE DONE (including
clearing jams):
• Wear ANSI‑approved safety
goggles with side shields. Other
people in the work area must also
wear ANSI-approved impact safety
goggles with side shields.
• Release the Trigger.
• Detach the air supply.
• Attempt to re the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of ring any fasteners.
• Empty the magazine and leave
Pusher pulled back during
service. The Pusher is spring‑
loaded and may cause parts or a
fastener to y out of the Tool.
1. Disconnect tool from air hose, pull
the Pusher back, empty Magazine
of fasteners, release any built-up air
pressure, and leave Pusher pulled back.
Page 13For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 14
2. WARNING! Hold the Nailer pointed
away from you and any other
people or fragile objects. HOLD
THE PUSHER BACK DURING THIS
OPERATION AND BE CAREFUL NOT
TO BUMP THE LATCH.
3. Press down on the two Guide Drive
Latches (59) at the top of the Magazine.
4. Carefully lift the Cover Plate (58) off
the Drive Guide (54) and use pliers to
remove any stuck fasteners from the
jammed Nailer.
14. Once the jam is cleared, insert new
fasteners into the Magazine. NOTE:
Make sure the fasteners are loaded with
the pointed ends facing downward.
15. Hold the Pusher in place while pressing
the Latch, unlocking the Pusher.
WARNING! The Pusher is spring-loaded
and will forcefully move forward when
released. Once the Position Latch is
pressed, make sure to hold the Pusher
in place, and then guide it up the back of
the Magazine.
5. Inspect the Driver Guide for any bends
or breakage. If it is damaged, do not
use the Nailer until it is repaired by a
qualied technician.
6. Lightly oil the Driver Guide and replace
the Cover Plate. Release the Drive
Guide Latches, locking the Cover Plate
in place.
7. Reload the Nailer.
8. Reconnect the Nailer to the air hose.
9. Press the Safety against an appropriate
piece of scrap wood and test re the
Nailer several times, checking for proper
operation.
10. Disconnect the Nailer, remove the
fasteners, and store the Nailer in a
location out of children’s reach
11. If a fastener is jammed in the Magazine,
pull the Pusher back until it locks into
place at the back of the Magazine.
16. If you are unable to clear the fastener
jam using the method prescribed above,
the tool should be taken to a qualied
service technician for proper servicing.
12. Use a screwdriver to release the jammed
fastener by probing the openings in the
Magazine.
13. Pull out the jammed fastener and the
remainder of the fastener strip that is
still in the magazine. Dispose of the
remaining fastener strip; it may be bent
or damaged in some other way.
Page 14 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 15
Troubleshooting
Problem Possible Causes Likely Solutions
Insufcient
fastener depth.
Fasteners drive
too deeply.
Tool cycles
without ring
fastener.
Frequent
jamming.
Severe air
leakage.
(Slight air leakage
is normal,
especially on
older tools.)
1. Incorrect tool depth setting.
2. Not enough air pressure.
3. Incorrect lubrication or not
enough lubrication.
4. Blocked air inlet screen (if
equipped).
5. Mechanism contaminated.
1. Incorrect tool depth setting.
2. Too much air pressure.
1. Jammed fastener.
2. Tool empty.
3. Incorrect fasteners used.
4. Magazine dirty or not
lubricated properly.
5. Insufcient air ow.
Incorrect fastener type. Conrm fastener diameter, type, length, angle, and
1. Cross-threaded housing
components.
2. Loose housing.
3. Damaged valve or housing.
4. Dirty, worn or damaged valve.
1. Adjust depth setting, if available.
2. Check for loose connections and make sure that air
supply is providing enough air pressure (PSI) to the
tool’s air inlet. Do not exceed 120 PSI maximum
air pressure.
3. Lubricate using air tool oil and grease according to
directions.
4. Clean air inlet screen of buildup.
5. Have qualied technician clean and lubricate
mechanism. Install in-line lter in air supply as
stated in Initial Set Up: Air Supply.
1. Adjust depth setting, if available.
2. Reduce air supply pressure (PSI).
1. Clear jammed fastener according to Clearing Jams
instructions.
2. Fill with correct fasteners.
3. Empty, then ll with correct fasteners.
4. Clean and lubricate magazine and pusher.
5. Check for loose connections and make sure that
air supply is providing enough air ow (CFM) and
pressure (PSI) to the tool’s air inlet. Do not exceed
120 PSI maximum air pressure.
collation type. Correct as needed.
1. Check for incorrect alignment and uneven gaps. If
cross-threaded, disassemble and replace damaged
parts before use.
2. Tighten housing assembly. If housing cannot tighten
properly, internal parts may be misaligned.
3. Replace damaged components.
4. Clean or replace valve assembly.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available individually as
replacement parts.
Page 15For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 16
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN
THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR 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 Description Qty
1 Screw 1
2 Air Deector 1
3 O-Ring 9x1.8 1
4 Deector Washer 1
5 Hex Bolt (M5x25) 9
6 Spring Washer 11
7 Cylinder Cap 1
8 O-Ring (18x2.65) 1
9 Head Valve Spring 1
10 O-Ring (25x3.5) 1
11 O-Ring (38x3.5) 1
12 O-Ring (48.7x2.65) 1
13 Head Valve 1
14 O-Ring (60x2.5) 1
15 Collar 1
16 O-Ring (42x2.5) 1
17 O-Ring (42x3.55) 1
18 Cylinder 1
19 O-Ring (31x3.55) 1
20 Piston Assembly 1
21 Bumper 1
22 Guide Washer 1
23 Cylinder Cap Gasket 1
24 Housing 1
25 O-Ring (11.7x2.4) 1
26 O-Ring (13x1.5) 1
27 Valve Seat 1
28 O-Ring (6x2) 1
29 O-Ring (3.75x1.8) 1
30 O-Ring (7.2x1.9) 1
31 Valve Sleeve 1
32 Air Valve Spring 1
33 O-Ring (2.5x1.5) 2
34 Valve Stem 1
35 O-Ring (15.7x2.4) 1
36 Valve Seat 1
37 Pin (3x16) 2
38 Trigger 1
39 Safety Plate 1
40 Trigger Pin 1
41 O-Ring (1.7x2) 1
42 Pin (3x22) 3
Part Description Qty
43 Guide Frame Assembly 1
44 Lock Nut (M4) 5
45 Adjusting Nut 1
46 Thrust Spring 1
47 Steel Ball 1
48 Retainer 1
49 Safety Spring 1
50 Safety Frame 1
51 Safety 1
52 Safety Cover 1
53 Quick Release Spring 1
54 Drive Guide 1
55 Isolation Plate 1
56 Isolation Plate Pin 1
57 Retainer 1
58 Cover Plate 1
59 Drive Guide Latch 2
60 Latch Bolt 2
61 Drive Guide Bolt 2
62 Retainer 1
63 Nail Guide Plate 2
64 Latch Spring 2
65 Cross Head Bolt (M4x10) 1
66 Magazine 1
67 Pin 1
68 Flat Hollow Rivet 2
69 Position Seat 1
70 Coiling Spring 1
71 Pusher 1
72 Magazine Gasket 1
73 Latch 1
74 Support 1
75 Bracket 1
76 Hex Bolt (M4x20) 2
77 Hex Bolt (M5x20) 1
78 Flat Washer 2
79 Lock Nut 1
80 Rubber Grip 1
81 End Cap Gasket 1
82 End Cap 1
83 Air inlet Plug 1
84 Air Inlet Plug Cover 1
Page 16 For technical questions, please call 1‑800‑444‑3353. SKU 68023
Page 17
Assembly Diagram
84
73
70
63
71
72
69
37
44
63
66
83
79
78
65
64
5
54
64
35
55
62
6
61
59
60
57
51
56
58
52
6
36
5
53
6
80
82
81
37
38
75
39
78
25
77
26
76
27
74
44
282930
6
31
67
33
50
34
44
32
33
49
3
23
14
46
48
45
47
20
9
10
21
11
12
22
13
43
24
16
15
2
1
3
17
5
4
6
42
18
7
44
19
8
Page 17For technical questions, please call 1‑800‑444‑3353.SKU 68023
Page 18
Limited 1‑Year Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality
and durability standards, and warrants to the original purchaser that this product is free from
defects in materials and workmanship for the period of one year from the date of purchase
(90 days if used by a professional contractor or if used as rental equipment). This warranty
does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents,
repairs or alterations outside our facilities, normal wear and tear, or to lack of maintenance.
We shall in no event be liable for death, injuries to persons or property, or for incidental,
contingent, special or consequential damages arising from the use of our product. Some states
do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF
ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF
MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the complaint
must accompany the merchandise. If our inspection veries the defect, we will either repair or
replace the product at our election or we may elect to refund the purchase price if we cannot
readily and quickly provide you with a replacement. We will return repaired products at our
expense, but if we determine there is no defect, or that the defect resulted from causes not
within the scope of our warranty, then you must bear the cost of returning the product.
This warranty gives you specic legal rights and you may also have other rights which
vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
Page 18 For technical questions, please call 1‑800‑444‑3353. SKU 68023
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