11 gauge industrial
roofing nailer
Model 67450
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 2009 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.
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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.
iMportant safetY
instructions
instructions pertaining
to a risk of fire, electric
sHock, or inJurY to
persons
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.
Warning – When using tools, basic
precautions should always be followed,
including the following:
general
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.
a. to reduce the risks of electric shock,
fire, and injury to persons, read all the
instructions before using the tool.
Work area
e.
use safety equipment. A
dust mask, non-skid safety
shoes and a hard hat must be
used for the applicable
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.
conditions. Wear heavy-duty work
gloves during use.
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.
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 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.
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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.
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.
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.
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.
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
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.
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.
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.
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
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.
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
f.
Maintain the tool with care. A properly
maintained tool reduces the risk of
binding and is easier to control.
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using the tool that the air source has
been adjusted to the rated air pressure
or within the rated air-pressure range.
as the Trigger or Safety Nosepiece, is
activated.
10. Do not remove, tamper with, or otherwise
cause the tool operating controls to
become inoperable.
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.
11. Do not operate the tool if any portion of
the tool operating controls is inoperable,
disconnected, altered, or not working
properly.
saVe tHese
instructions.
12. Disconnect the tool from the air supply
when:
a. Unattended.
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.
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.
2. Keep fingers away from trigger
when not driving fasteners to avoid
accidental firing.
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.
3. choice of triggering method is
important. check manual for
triggering options.
4. Always assume the tool contains
fasteners.
16. Do not fire fasteners too close to the
edge of a workpiece. They may split the
workpiece and fly free, causing personal
injury.
5. Do not point the tool toward yourself or
anyone whether it contains fasteners or
not.
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.
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.
18. Transport tool safely. Always disconnect
air supply when moving the tool. Carry
9. Do not load the tool with fasteners when
any one of the operating controls, such
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the tool by the handle and avoid contact
with the trigger.
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.)
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.
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.
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.
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:
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.
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
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.)
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.
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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.
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70-120 PSI
functional description
initial tool set up/
asseMBlY
Specifications
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.
Operating Air
Pressure
65-90 PSI Maximum
1/4” -18 NPT
Air Inlet
Fastener
Capacity
.120” Dia. Shank, 3/4” ~ 1-3/4”,
(120 capacity)
Air
2 SCFM @ 90 PSI
Consumption 7 SCFM (For Continuous Use)
note: For additional information regarding the
parts listed in the following pages, refer
to the Assembly Diagram near the end of
this manual.
Safety
Full Sequential Safety
Air Tool Oil
Accessories
Hex Wrenches (3mm, 4mm, 5mm)
Nail Coil (7/8” Nails)
unpacking
safety nosepiece - Also called the workpiece
contact, the Safety Nosepiece helps
prevent the tool from firing unless it is
pressed against an object.
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.
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note: If an automatic oiler system is not
used, add a few drops of Pneumatic Tool
Oil into the tool at the airline connection
before operation. Add a few more drops
after each hour of continual use.
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.
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. Attachment of a coiled air
hose (sold separately) will add versatility
to this tool.
coupler
plug
coupler
plug
tool
Warning! to preVent serious
inJurY froM accidental
Quick
coupler
air Hose
on reel
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.
Valve
oiler
filter
air
compressor
regulator with
pressure gauge
note: Air flow, and therefore tool
performance, can be hindered by
undersized air supply components.
recommended air line components
3. The air hose must be long enough to
reach the work area with enough extra
length to allow free movement while
working.
1. Incorporate a filter, regulator with
pressure gauge, oiler, in-line shutoff ball
valve, and quick coupler for best service,
as shown in the diagram above. 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.
4. Release the tool’s trigger.
5. Close the in-line safety valve between
the compressor and the tool.
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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 for 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.
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trigger installation
note: This tool includes an additional trigger
spring
to allow another triggering option.
Full
• The Black Trigger enables single-
sequential operation.
trigger
This operation is safer and should be
used whenever practical.
• The red Trigger enables contact trip /
bump fire operation.
4. Place Spring into desired Trigger.
Valve stem
This operation is more dangerous.
only a skilled operator who is aware
of the hazards and uses proper, safe
work practices should use contact
trip / bump fire operation.
trigger
spring
1. Warning! to prevent serious injury
from accidental firing, disconnect air
supply, point nailer in a safe direction,
and release pressure before changing
trigger.
lever
5. Hold down Spring and Lever while
placing Trigger over valve stem.
rubber
ring
spring
pin
pin
lever
trigger
2. Remove Pin and Rubber Ring from
current Trigger.
rubber
ring
6. Insert Pin, and place Rubber Ring over
end of Pin.
3. Remove current Trigger. Remove Spring
and store unused Trigger in secure dry
place.
7. Check Trigger for proper operation and
test safety operation according to the
instructions that follow.
reV 10g
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used by skilled operators who are aware
of the hazards and use proper, safe work
practices.
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.
contact safety trip (Bump fire)
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.
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.
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.
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.
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.
3. There must not be hazardous objects
(such as utility lines or foreign objects)
nearby that will present a hazard while
working.
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.
contact safety trip (Bump fire)
Mechanism Definition
The red trigger enables a contact
safety trip (or bump fire) mechanism, which
allows rapid fire. 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
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
reV 10g
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the workpiece again. the tool must
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
cycle (fire) again y once. If it fails
Full
to act in the manner explained in bold,
have it repaired by a qualified service
technician.
Full
not cycle (fire). If it cycles (fires),
stop immediately and take the tool to a
qualified service technician.
single sequential safety trip
Mechanism Definition
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 Black trigger enables 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 firgain if the
Full
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
loading the tool
to preVent
serious inJurY
froM accidental
operation:
empty the tool before this
procedure. point the tool at a
piece of scrap wood when
testing.
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 safety goggles
with side shields.
1. Disconnect the tool from the air supply.
2. Empty the canister of fasteners.
• release the trigger.
• detach the air supply.
3. Check that the Trigger and the Safety
Nosepiece move freely, without sticking.
• Attempt to fire the Tool into a
piece of scrap wood to ensure
that it is disconnected and is
incapable of firing any fasteners.
4. Connect the air supply to the tool and
set within the Operating Air Pressure
indicated on the Specification chart.
1. To open the Canister (82), push down on
the Latch (68) and swing the Catch (64)
and the Canister Cover (89) open. See
photos above right.
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.
2. Check the Adjuster Plate (86) inside the
Canister (82). The Platform height is
adjustable by rotating the Adjuster Nut
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(88). The Platform can be adjusted up
and down to use various lengths of nails
5. Swing the Canister Cover (89) closed.
Then, close the Catch (64). Make sure
the Latch closes securely. If it does not
engage, the nail head is not in the slot in
the upper portion of the Feed Hook (50)
and nail shank is not in the feeder.
3
3
from / ” to 1- / ”:
4
4
a. Between 3/4” and 1” long
nails
(use top setting).
B. Between 1” and 1-1/4” long
nails
(use middle setting).
c. Between 1-1/4” and 1-3/4”
long nails
(use bottom setting).
Bracket
(79)
SHINGLE SPACING
Screw
(80)
Latch (68)
Canister
Cover
(89)
Catch
(64)
BOTTOM VIEW
6. To adjust the Shingle Bracket: The
Bracket (79) controls roof shingle
spacing. To adjust the Bracket to work
with a particular width of shingles, use
the accessory Hex Wrench to loosen the
Screw (80) on the Bracket. Slide the
Bracket to the desired spacing. Then,
retighten the Screw.
Canister
(82)
Canister
Cover
(89)
general operating instructions
Nails
Feed
Hook
(50)
1. Before each use, test the Tool as
directed in the earlier section.
2. If an automatic oiler is not used, add
a few drops of Pneumatic Tool Oil into
the tool’s airline connection before use.
Add a few drops more after each hour of
continual use.
Adjuster Plate
(86)
Canister
(82)
3. Turn the Adjuster Nut (88) clockwise
to raise the Adjuster Plate (86) until its
edge aligns with the embossed nail
size markings on the inside wall of the
Canister.
3. Keep all moving parts free from dirt, tar,
and debris. Clean and oil all moving
parts before each use.
4. Attach the Nailer to the air supply at the
Air Inlet (93). Start your compressor and
check the pressure, making sure it is set
4. Place a coil of Nails around the Adjuster
Plate (86) in the Nail Canister (82). See
photo, above.
reV 10d
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at the recommended 65-90 PSI and do
not exceed 90 PSI.
solvent into the drive cylinder of the tool.
Make sure to dry off the Roofing Nailer
before use. Any oil film left after cleanup
will accelerate tar buildup.
Air Supply Hose
(Not Included)
8. When finished using the Roofing Nailer,
always disconnect the tool from its
compressed air supply. Attempt to fire
the Roofing Nailer into a piece of scrap
wood to ensure it is disconnected and
is incapable of firing any nails. Remove
the nails from the Nail Canister (82).
Trigger
(47)
Nose
9. Make sure to store Roofing Nailer in a
clean, dry, safe location out of reach of
children.
Roofing Shingle
10. 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:
5. To fire, place the nose of the Nailer on
the workpiece and push down until it
stops. Pull the Trigger to fire one nail.
note: The Nailer should not fire if the Nose is
not fully depressed.
6. To fire another nail, lift the Nose of the
Nailer off the workpiece and release the
trigger. Repeat previous step to fire.
Avoid forcing the nose in an angle. do
not fire nails on top of each another
or into any hard object. nails could
bounce off, damaging the workpiece
or causing personal inJurY.
do not exceed the tool’s maximum air
pressure rating.
11. Clean external surfaces with clean, dry
cloth. Then store the tool indoors out of
children’s reach.
7. Do not press the Nose of the Roofing
Nailer against the work surface with
excess force. Allow the tool to do the
work. Always allow the tool to recoil off
the workpiece.
keep tHe nailer clean!
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 Roofing Nailer in an
approved solvent beyond the height
of the nail heads, to avoid getting the
SKU 67450
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note: These procedures are in addition to
the regular checks and maintenance
explained as part of the regular operation
of the air-operated tool.
user-Maintenance
instructions
Procedures not specifically
explained in this manual must
be performed only by a qualified
technician.
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 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.
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.
clearing Jams
to preVent
serious inJurY
• release the trigger.
froM accidental operation,
Before anY Maintenance or
repairs are done (including
clearing jams):
• detach the air supply.
• Attempt to fire the Tool into a
piece of scrap wood to ensure
that it is incapable of firing any
fasteners.
• 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.
• empty canister and leave it open
during service.
to preVent serious inJurY
froM tool failure: do not
use damaged equipment. if
abnormal noise, vibration, or
air leaks is detected, have the
problem corrected before further
use.
• release the trigger.
• detach the air supply.
• Attempt to fire Tool into piece of
scrap wood to ensure that it is
incapable of firing any fasteners.
• empty canister and leave it open
during service.
to preVent explosion:
1. Occasionally a nail may become jammed
in the firing mechanism of Nailer, making
the tool inoperable.
Lubricate only with specified
lubricants. lubricate air inlet
using only pneumatic tool oil.
lubricate internal mechanism
using only white lithium grease.
other lubricants may damage the
mechanism and may be highly
flammable, causing an explosion.
2. Remove and discard all jammed/
damaged nails from the nailer. Detach
and discard all damaged or improperly
collated nails from the coil. Examine the
nailer for any broken, worn or damaged
parts. If any part appears damaged
Page 16
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or worn, have the tool repaired by a
qualified service technician.
4. Test fire nailer into a piece of scrap wood
repeatedly to test for proper operation.
If nailer does not function properly, have
tool serviced by a qualified technician.
3. Replace the coil of nails into the Roofing
Nailer. Close Canister Cover (89) and
Catch (64) securely. Then reconnect air
hose to the tool.
troubleshooting
problem
Insufficient
fastener depth.
possible causes
1. Incorrect tool depth setting.
2. Not enough air pressure.
likely solutions
1. Adjust depth setting, if available.
2. Check for loose connections and make sure that air
supply is providing adequate air pressure (PSI) to the
tool’s air inlet. do not exceed 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 in air supply as stated in
Initial Set Up: Air Supply.
Fasteners drive 1. Incorrect tool depth setting.
1. Adjust depth setting, if available.
2. Reduce air supply pressure (PSI).
too deeply.
2. Too much air pressure.
Tool cycles
without firing
fastener.
1. Jammed 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 load 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 maximum air
pressure.
Frequent
jamming.
1. Incorrect fastener type.
2. Safety is stuck.
1. Confirm fastener diameter, type, length, angle, and
collation type. Correct as needed.
2. Clean and lubricate with oil so safety moves freely
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. Replace damaged components.
4. Clean or replace valve assembly.
3. Damaged valve or housing.
4. Dirty, worn or damaged valve.
follow all safety precautions whenever diagnosing or servicing the tool.
disconnect air supply before service.
reV 10d
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please read tHe folloWing carefullY
THEMANuFACTuRERAND/oRDISTRIbuToRHASPRoVIDEDTHEPARTSLISTANDASSEMbLyDIAGRAMINTHISMANuAL
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
1
description
Screw
part
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
description
Screw
part
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
description
Washer
2
Spring Washer
Bushing
Bracket
Catch
3
Spring
Pin
4
Exhaust Cover
Washer
Adjuster
Protector
Spring
5
Safety
6
Screw
Spring Pin
Latch
7
Spring Washer
Cylinder Cap
Gasket
Safe Bracket Guide
Trigger Valve Guide
O-Ring 12.8x1.9
O-Ring 14.3x1.9
O-Ring 6.4x1.5
Trigger Valve Stem
Trigger Valve Guide
O-Ring 12.3x1.9
Washer
Pin
8
Stopper
9
Taper Spring
Block Plate
Spring Washer
Screw
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
O-Ring 36.3x2.5
O-Ring 54.3x3
Spring
Valve
Nut
O-Ring 40.2x2.3
Valve Seal
Washer
Connecting Plate
Support
Valve Seal
Trigger
Stopper Washer
Washer
Trigger Spring
Spring Pin
Bracket
Screw
O-Ring 43.3x3.5
Piston Assembly
Cylinder
Feed Hook
Washer
Screw
Nail Canister
Pin
Feed Hook Pin
Torsion Spring
Piston
O-Ring 50.5x2.5
Cylinder Seal
Bumper
Adjuster Bushing
Adjuster Stem
Adjuster Plate
Spring Pin
Adjuster Nut
Canister Cover
Soft Grip Sleeve
O-Ring 48.5x2.5
End Cap
O-Ring 24.3x2.8
Piston Bumper
Spring
Protective Piece
Soft Spacer
Body
Cover
O-Ring 46x1.3
Restrictive Washer
O-Ring 8.3x1.8
Nose
Locking Washer
Screw
Spring Pin
Handle
Air Inlet
Page 18
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asseMBlY diagraM
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.
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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.
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
OFALLOTHER WARRANTIES, ExPRESS OR
IMPLIED, INCLUDING THE WARRANTIES OF
MERCHANTABILITY AND FITNESS.
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
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