COIL ROOFING NAILER
Model 68024
SET UP AND OPERATING INSTRUCTIONS
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.
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WARNING – When using tools, basic
precautions should always be followed,
including the following:
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.
General
a. To reduce the risks of electric shock,
fire, and injury to persons, read all the
instructions before using the tool.
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.
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.
e.
Use safety equipment. A
dust mask, non-skid safety
shoes and a hard hat must be
used for the applicable
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.
conditions. Wear heavy-duty work
gloves during use.
f.
Always wear eye protection.
Wear ANSI-approved safety
goggles with side shields.
c. Keep bystanders, children, and
visitors away while operating the tool.
Distractions are able to result in the loss
of control of the tool.
g.
Always wear hearing
protection when using the
tool. Prolonged exposure to
high intensity noise is able to
cause hearing loss.
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.
h. Do not attach hose or tool to your
body. Attach hose to structure to reduce
risk of loss of balance if 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.
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.
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.
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specific tool model, increases the risk of
injury to persons.
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.
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.
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.
Service
a. Tool service must be performed only
c. Do not use tool if trigger does not turn
tool on or off. Any tool that cannot be
controlled with the trigger is dangerous
and must not be used until repaired.
by qualified repair personnel.
b. When servicing a tool, use only
identical replacement parts. Use only
authorized parts.
d. Disconnect tool from air source
before making adjustments, doing
tool maintenance, clearing jams,
touching safety nosepiece, leaving
work area, loading, or unloading the
tool. Such precautionary measures
reduce the risk of injury to persons.
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
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.
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.
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.
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.
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
SAVE THESE
INSTRUCTIONS.
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d. Moving the tool to a new location.
Specific Safety Instructions
13. Do not make any modifications to tool.
14. Refer to the tool maintenance
instructions for detailed information on
the proper maintenance of the tool.
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.
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.
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.
16. Do not fire fasteners too close to edge of
a workpiece. They may split workpiece
and fly free, causing personal injury.
4. Always assume tool contains fasteners.
17. Keep clear of 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.
5. Do not point 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.
18. Transport tool safely. Always disconnect
air supply when moving tool. Carry tool
by handle and avoid contact with trigger.
7. Respect the tool as a working implement.
8. No horseplay. This tool is not a toy and
can be deadly if misused.
19. Hold tool away from head and body.
During operation the tool may kick back
causing injury.
9. Do not load tool with fasteners when any
one of the operating controls, such as
20. Do not fire fasteners into a workpiece
that has people, utility lines, or other
objects behind or inside it.
Trigger or Safety Nosepiece, is activated.
10. Do not remove, tamper with, or otherwise
cause the tool operating controls to
become inoperable.
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.
11. Do not operate if any portion of operating
controls is inoperable, disconnected,
altered, or not working properly.
12. Disconnect the tool from the air
supply when:
22. Obey the manual for the air compressor
used to power this tool.
a. Unattended.
23. Install in-line shutoff valve to allow
immediate control over air supply in an
emergency, even if a hose is ruptured.
b. Performing any maintenance or repair.
c. Clearing a jam.
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24. Do not engrave or stamp anything into
the housing to avoid weakening it.
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
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
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.
• 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 2. Do not smoke during use. Nicotine
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.)
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.
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.
7. To reduce vibration, maintain tool as
explained in this manual. If abnormal
vibration occurs, stop immediately.
SAVE THESE
INSTRUCTIONS.
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:
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Initial Tool Setup/Assembly
Functional Description
Specifications
Read the ENTIRE IMPORTANT
SAFETY INFORMATION
Max. Air Pressure 120 PSI
section at the beginning of this
manual including all text under
subheadings therein before set up
or use of this product.
Air Inlet
1/4” -18 NPT
Air Consumption 1 CFM @ 90 PSI
Fastener
Capacity
11 Gauge, 3/4” to 1-3/4” Wire-
Collated Roofing Nails
Magazine
Capacity
Note: For additional information regarding the
parts listed in the following pages, refer
to the Assembly Diagram near the end of
this manual.
120
Components and Controls
Unpacking
Mode Switch (41)
Trigger (44)
Air
Inlet
(100)
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.
Depth Knob
(52)
• 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:
Roofing
Gauge (82)
Safety (37)
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.
Safety Nosepiece - Also called the workpiece
contact, the Safety Nosepiece helps
prevent the tool from firing unless it is
pressed against an object.
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 for 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 the air supply even if the
Depth Knob - This controls the nail depth.
Push the Knob to the left for shorter nails
(or to fire nails less deep). Push the
Knob to the right for longer nails (or for
deeper depths).
Roofing Gauge - This can be adjusted to
guide the shingle spacing. Loosen the
Cap Screw, adjust Gauge as needed,
then retighten the Cap Screw.
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Air Tool & Spray Gun Portable Setup
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Air Tool & Spray Gun Stationary Setup
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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.
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”.
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.
9. Inspect the air connections for leaks.
Repair any leaks found.
2. Attach an air hose to the compressor’s
air outlet. Connect the air hose to the
air inlet of the tool. Please note: a
quick coupler will be needed for
proper connection.
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.
WARNING! TO PREVENT SERIOUS
INJURY FROM ACCIDENTAL
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.
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 flow, and therefore tool
performance, can be hindered by
undersized air supply components.
Nail Penetration Depth Adjustment
1. With the tool connected to its air supply
and with the nails loaded, test fire on a
scrap material (similar to the workpiece)
and note the depth of nail’s penetration.
3. The air hose must be long enough
to reach the work area with enough
extra length to allow free movement
while working.
2. To adjust nail depth penetration, rotate
the Depth Knob (52). Turn the Depth
Knob to the left (+) for deeper nail
penetration and to the right (-) for more
shallow penetration.
4. Release the tool’s Trigger (44).
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.
3. CAUTION! When working with asphalt
shingles in particular, the nail head
should not sink below the top face of
the shingle.
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
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The tool should only fire if the Safety
Nosepiece is pressed against the workpiece
and the trigger is pulled. It should fire again
if the trigger is released and pulled OR
if the safety is lifted and pressed against
the workpiece again. The Tool should not
fire if the Safety Nosepiece is not pressed
against an object. Contact safety trip /
bump fire should only be enabled and
used by skilled operators who are aware
of the hazards and use proper, safe
work practices.
OperatingInstructions
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.
Contact Safety Trip (Bump Fire)
Mechanism Testing Procedure
Work Piece and Work Area Set Up
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. 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 path 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.
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.
3. Secure loose workpieces using a vise
or clamps (not included) to prevent
movement while working.
4. Connect the air supply to the tool and
set within the Operating Air Pressure
indicated on the Specification chart.
4. There must not be hazardous objects
(such as utility lines or foreign objects)
nearby that will present a hazard
while working.
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 take the tool to a
qualified service technician for repair.
Contact Safety Trip (Bump Fire)
Mechanism Definition
When selected, the Bump Fire
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),
mechanism allows for rapid firing. To set the
Nailer in Bump Fire mode, turn the Mode
Switch (41) to the Bump Fire Position (as
indicated by the two bump fire symbols).
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stop immediately and take the tool to a
qualified service technician.
3. Check that the Trigger and the Safety
Nosepiece move freely, without sticking.
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 cycle (fire) again only once. If
it fails to act in the manner explained
in bold, have it repaired by a qualified
service technician.
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 take the tool to a
qualified service technician for repair.
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.
Single Sequential Safety Trip
Mechanism Definition
The Single Sequential safety trip
mechanism is designed to prevent inadvertent
firing. To set the Nailer in the Single
Sequential mode, turn the Mode Switch to the
Single Sequential position (as indicated by the
single bump fire symbol).
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.
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.
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5. Swing the Magazine Cover closed.
Then, close the Cover Plate, making
sure the Latch snaps shut. If the Latch
does not engage, the nail head is not in
the slot in the upper portion of the Feed
Drive Guide.
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.
Roofing Gauge Adjustment
1. The Roofing Gauge (82) controls roof
shingle spacing. To adjust the Roofing
Gauge to work with a particular width of
shingles, use the accessory Hex Wrench
to loosen the Hex Bolt (83) on the
Roofing Gauge.
• Release the trigger.
• Detach the air supply.
• Attempt to fire the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of firing any fasteners.
2. Slide the Bracket forward or backward to
the desired shingle spacing.
3. Then, retighten the Hex Bolt.
1. To open the Magazine Cover (85), pull
up on the Latch (81) and pull back the
Moveable Cover Plate (80).
General Operating Instructions
1. Test the Tool, as directed on page 10 or
11, before each use.
2. Once the Cover Plate is lifted, lift up the
Magazine Cover.
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. Check the Nail Support (92) inside the
Magazine. Twist the Support and pull
it up (or down) to adjust to use various
lengths of nails from 3/4” to 1-3/4”:
A.3/4” Long Nails
(Use top setting marked on inside of
Magazine).
3. Attach the air hose to the Nailer. Start
your compressor and check the pressure
making sure it is not set to go over the
maximum 120 PSI.
B.Between 3/4” and 1‑3/4” Long Nails
(Use middle setting marked on inside
of Magazine).
4. To fire, place the nose of the Nailer
on the workpiece. The Nailer should
not fire if the nose is not depressed.
Once depressed, gently and briefly
squeeze the Trigger once. Do not fire
repeatedly. Nails could bounce off of
one another, damaging the workpiece or
causing PERSONAL INJURY.
C.1‑3/4” Long Nails
(Use bottom setting marked on inside
of Magazine).
3. Place a coil of nails around the Nail
Support in the Magazine.
4. Uncoil enough nails to reach the Drive
Guide (29). Place the second nail on the
coil between the tabs of the Drive Guide,
making sure the nail head fits in the slot
in the top end of the Drive Guide.
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5. If the tool requires more force to
accomplish the task, verify that the
tool receives sufficient, unobstructed
airflow (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 sufficient
force at maximum pressure and
sufficient airflow, then a larger tool may
be required.
Note: While working on roofs, tar and
dirt may build up on the Nose of the
Roofing Nailer. This can prevent normal
operation. Remove buildup with a
nonflammable solvent. NEVER use
gasoline or other flammable solvents.
Do not immerse the Roofing Nailer in
an approved solvent beyond the height
of the nail heads, to avoid getting the
solvent into the drive cylinder of the
tool. Dry off the Roofing Nailer before
use; any oil film left after cleanup will
accelerate tar buildup.
6. After use, to prevent accidents:
a. Release the trigger.
b. Detach the air supply.
c. Attempt to fire the Tool into a piece
of scrap wood to ensure that it is
incapable of firing any fasteners.
d. Release the trigger again.
e. Clean external surfaces with clean,
dry cloth.
f. Store indoors out of children’s reach.
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mechanism and may be highly
flammable, causing an explosion.
User‑Maintenance Instructions
Note: These procedures are in addition to
the regular checks and maintenance
explained as part of the regular operation
of the air-operated tool.
Procedures not specifically
explained in this manual must
be performed only by a qualified
technician.
Daily ‑ Air Supply Maintenance:
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL OPERATION,
BEFORE ANY MAINTENANCE OR
REPAIRS ARE DONE (including
clearing jams):
Every day, perform maintenance on the
air supply according to the component
manufacturers’ instructions. If equipped.
the lubricator’s oil level needs to be
maintained and the moisture filter must
be regularly drained. Performing routine
maintenance on the air supply will allow
the tool to operate more efficiently and
will also reduce wear on the tool.
• 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.
Clearing Jams
• Release the Trigger.
• Detach the air supply.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL OPERATION,
BEFORE ANY MAINTENANCE OR
REPAIRS ARE DONE (including
clearing jams):
• Attempt to fire the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of firing any fasteners.
• Empty the magazine and leave
it open during service. The
Magazine is spring‑loaded and
may cause parts or a fastener to
fly out of the Tool.
• 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.
TO PREVENT SERIOUS INJURY
FROM TOOL FAILURE:
• Release the trigger.
• Detach the air supply.
Do not use damaged equipment.
If abnormal noise, vibration,
or leaking air is detected, have
the problem corrected before
further use.
• Attempt to fire the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of firing any fasteners.
• Empty the magazine and leave
it open during service. The
Magazine is spring‑loaded and
may cause parts or a fastener to
fly out of the Tool.
TO PREVENT EXPLOSION:
Lubricate only with specified
lubricants. Lubricate the air inlet
using only pneumatic tool oil.
Lubricate the internal mechanism
using only white lithium grease.
Other lubricants may damage the
1. If a fastener is jammed in the discharge
area, pull up on the Latch and lift up the
Moveable Cover Plate.
SKU 68024
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Page 15
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2. Remove the jammed fasteners
with pliers.
3. If a fastener is jammed in the Magazine,
lift open the Latch, and then swing back
the moveable Cover Plate and then the
Magazine Cover.
4. Uncoil the fasteners and, if necessary,
use a screwdriver to release the
jammed fastener.
5. Pull out the jammed fastener.
6. If you are unable to clear the fastener
jam using the method prescribed above,
the tool should be taken to a qualified
service technician for proper servicing.
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.
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.
Page 16
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Troubleshooting
Problem
Insufficient
fastener depth.
Possible Causes
1. Incorrect tool depth setting.
2. Not enough air pressure.
Likely Solutions
1. Adjust depth setting.
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. Incorrect lubrication or not
enough lubrication.
3. Lubricate using air tool oil and grease according to
directions.
4. Blocked air inlet screen
(if equipped).
4. Clean air inlet screen of buildup.
5. Mechanism contaminated.
5. Have qualified technician clean and lubricate
mechanism. Install in-line filter to the air supply as
stated in Initial Set Up: Air Supply.
Fasteners drive
too deeply.
1. Incorrect tool depth setting.
2. Too much air pressure.
1. Jammed fastener.
1. Adjust depth setting, if available.
2. Reduce air supply pressure (PSI).
Tool cycles
without firing
fastener.
1. Clear jammed fastener according to Clearing
Jams instructions.
2. Tool empty.
2. Fill with correct fasteners.
3. Incorrect fasteners used.
3. Empty, then fill with correct fasteners.
4. Clean and lubricate magazine and pusher.
4. Magazine dirty or not
lubricated properly.
5. Insufficient air flow.
5. Check for loose connections and make sure that
air supply is providing enough air flow (CFM) and
pressure (PSI) to the tool’s air inlet. Do not exceed
120 PSI maximum air pressure.
Frequent
jamming.
Incorrect fastener type.
Confirm fastener diameter, type, length, angle, and
collation type. Correct as needed.
Severe air
leakage.
(Slight air leakage
is normal,
especially on
older tools.)
1. Cross-threaded housing
components.
1. Check for incorrect alignment and uneven gaps. If
cross-threaded, disassemble and replace damaged
parts before use.
2. Loose housing.
2. Tighten housing assembly. If housing cannot tighten
properly, internal parts may be misaligned.
3. Damaged valve or housing.
3. Replace damaged components.
4. Dirty, worn or damaged valve. 4. Clean or replace valve assembly.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
SKU 68024
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Page 17
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Parts List
Part
Description
Hex bolt M5x10
Flat Washer 6
Q’ty
1
2
1
1
1
4
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
Part
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Description
Q’ty
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
5
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
Depth Knob
2
3
Retaining Ring 3
Air valve seat sealing ring
O-ring 16x1.6
Sleeve seat
O-ring 6.1x1.8
O-ring 6.4x2
Air deflector
Deflector cover
Cylinder cap sleeve
Hex bolt M5x25
Spring Washer 5
Hex flat end bolt M5x8
Cylinder cap
4
5
6
7
8
9
Valve sleeve
O-ring 9x1.8
Cylinder cap O-ring 17x1.8
Cylinder cap bumper
Head valve spring
O-ring 36.5x2.65
Head valve
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
O-ring 2.5x1.5
Air valve spring
Air valve stem
O-ring 18x2.65
Air valve seat
Trigger spring
O-ring 8.75x1.8
Nail claw pin
Nailing piston
Pin sleeve
O-ring 17x2.65
Nailing spring
Piston spring seat
Snap ring
Cover plate pin
Latch spring
Nail stopping piece
Nail stopping piece spring
Axis pin
Movable cover plate
Latch
Roofing Gauge
Hex bolt M6x20
Elastic piece
O-ring 21x3
O-ring 33.3x3.5
O-ring 26.5x3.55
Piston assembly
Cylinder
O-ring 33.6x2
O-ring 37.5x3.55
Collar
Collar O-ring 46x2
Cylinder cap gasket
Housing
Bumper
Drive guide O-ring 10.6x1.8
O-ring 2.8x1.8
Drive guide
Magnet assembly
Spring Washer 6
Hex bolt M6x25
Nail claw spring
Nail claw
Hex bolt M4x10
Drive guide cover
Safety Nosepiece
Retaining Ring 5
Steel ball 3
Magazine cover
Hook seat
Hook spring
Magazine
Hex bolt M5x18
Flat Washer
Magazine cover pin
Nail Support
Support spring cap
Bracket
Hex bolt M5x16
Hex flange nut M5
Rubber grip
Position spring
41 Mode Switch
Pin 2.5x18
Trigger Lever
Trigger
Pin 3x30
Adjusting seat
Pin 2.5x22
Safety Nosepiece spring
Flat Washer
Push stem
42
43
44
45
46
47
48
49
50
51
O-ring 36.3x3.55
End cap
100 Air inlet plug
101 Air inlet plug cover
Depth screw
Page 18
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SKU 68024
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SKU 68024
For technical questions, please call 1‑800‑444‑3353.
Page 19
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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 verifies 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 specific 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 20
For technical questions, please call 1‑800‑444‑3353.
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