2-in-1 finish nailer/stapler
Model 66902
set up and Operating instructiOns
Visit our website at: http://www.harborfreight.com
read this material before using this product.
failure to do so can result in 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 improve-
ments, actual product may differ slightly from the product described herein. Tools required for assembly
and service may not be included.
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Revised Manual 09l
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tool. Distractions are able to result in
the loss of control of the tool.
g.
always wear hearing
protection when using
the tool. Prolonged expo-
sure to high intensity noise
personal safety
is able to cause hearing loss.
a. Stay alert. Watch what you are do-
ing and use common sense when
operating the tool. Do not use the
tool while tired or under the influ-
ence of drugs, alcohol, or medica-
tion. 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 con-
tains fasteners. Do not point the tool
toward yourself or anyone whether it
contains fasteners or not.
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.
j.
WARNING – Do not fire fastener on
top of another fastener. This is able
to cause the fastener to be deflected
and hit someone, or cause the tool to
react and result in a risk of injury to
persons.
k. WARNING – Remove finger from
the trigger when not driving fas-
teners. Never carry the tool with
finger on trigger, the tool is able to fire
a fastener.
c. avoid unintentional starting. Be
sure the trigger (42) is off 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 on.
tool use and care
d. do not overreach. keep proper
footing and balance at all times.
Proper footing and balance enables
better control of the tool in unexpect-
ed situations.
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 is able to
lead to loss of control.
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.
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.
f.
always wear eye protec-
tion. Wear ANSI-ap-
proved safety goggles.
c. do not use the tool if the trigger
does not turn the tool on or off.
Any tool that cannot be controlled
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with the trigger is dangerous and
must be repaired.
service
a. Tool service must be performed
d. disconnect the tool from the air
source before making adjust-
ments, doing tool maintenance,
clearing jams, touching the safety,
leaving work area, loading, or un-
loading the tool. Such precautionary
measures reduce the risk of injury to
persons.
only by qualified repair personnel.
b. When servicing a tool, use only
identical replacement parts. use
only authorized parts.
c. use only the lubricants supplied
with the tool or specified by the
manufacturer.
e. Store the tool when it is idle out of
reach of children and other un-
trained persons. A tool is dangerous
in the hands of untrained users.
air source
a.
never connect to an air
source that is capable of
f.
Maintain the tool with care. A prop-
erly maintained tool is more efficient
and reduces the risk of binding and is
easier to control.
exceeding 90 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.
g. check for misalignment or bind-
ing of moving parts, breakage of
parts, and any other condition that
affects the tool’s operation. If dam-
aged, 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 specific tool model, increases the
risk of injury to persons.
saVe these
instructiOns.
i.
use only those fasteners listed
in the accessories section of this
manual. Fasteners not identified for
use with this tool by the tool manu-
facturer are able to result in a risk
of injury to persons or tool damage
when used in this tool.
SKU 66902
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2. Keep fingers away from Trigger
when not driving fasteners to
avoid accidental firing.
sYMBOls and
specific safetY
instructiOns
3. Always assume the tool contains
fasteners.
Symbol Definitions
4. Do not point the tool toward yourself
or anyone whether it contains fasten-
ers or not.
symbol
property or statement
Pounds per square inch of pressure
psi
cfM
scfM
npt
5. Do not actuate the tool unless the
tool is placed firmly against the work-
piece.
Cubic Feet per Minute flow
Cubic Feet per Minute flow at
standard conditions
6. Respect tool as a working implement.
National pipe thread, tapered
National pipe thread, straight
7. No horseplay. This tool is not a toy
and can be deadly if misused.
nps
WARNING marking concerning Risk
of Eye Injury. Wear ANSI-approved
eye protection.
8. Do not load the tool with fasteners
when any one of the operating con-
trols is activated.
Warning marking concerning Risk of
Puncture Injury. Wear heavy-duty
work gloves.
9. Do not remove, tamper with, or other-
wise cause the tool operating controls
to become inoperable.
Read the manual before set-up and/
or use.
10. Do not operate the tool if any portion
of the tool operating controls is inop-
erable, disconnected, altered, or not
working properly.
WARNING marking concerning Risk
of Hearing Loss. Wear hearing
protection.
WARNING marking concerning Risk
of Respiratory Injury. Wear NIOSH-
approved dust mask/respirator.
11. Disconnect the tool from the power
source when:
a. Unattended.
WARNING marking concerning Risk
of Explosion.
b. Performing any maintenance or
repair.
Specific Safety Instructions
c. Clearing a jam.
d. Moving the tool to a new location.
1. Operators and others in work area
Must wear ansi-approved safety
goggles with side shields during
use. The employer is responsible to
enforce use of eye protection by the
operator and others in the work area.
12. The written approval of the tool man-
ufacturer must be obtained prior to
making any modifications to the tool.
13. Refer to the tool maintenance instruc-
tions for detailed information on the
proper maintenance of the tool.
SKU 66902
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14. 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.
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 chemi-
cally treated lumber
Your risk from these exposures var-
ies, 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.)
15. Do not fire fasteners too close to the
edge of a workpiece. They may split
the workpiece and fly free, causing
personal injury.
16. Transport Tool safely. Always dis-
connect air supply when moving the
tool. Carry the tool by the handle and
avoid contact with the trigger.
17. Hold tool away from head and body.
During operation the Tool may kick
back causing injury.
24. WARNING: The brass components
of this product contain lead, a chemi-
cal known to the State of California
to cause birth defects (or other repro-
ductive harm). (California Health &
Safety code § 25249.5, et seq.)
18. Do not fire fasteners into a workpiece
that has people, utility lines, or other
objects behind or inside it.
19. Keep balance while using this tool.
Keep area below clear if working in a
high location, and secure air hose to
prevent falls from bystanders acci-
dentally pulling on it.
25. The warnings and precautions dis-
cussed in this manual cannot cover
all possible conditions and situations
that may occur. It must be under-
stood by the operator that common
sense and caution are factors which
cannot be built into this product, but
must be supplied by the operator.
20. Obey the manual for the air compres-
sor used to power this tool.
21. Install in-line shutoff valve to allow im-
mediate control over air supply in an
emergency, even if hose is ruptured.
Vibration precautions
This tool vibrates during use. Re-
peated or long-term exposure to vibra-
tion may cause temporary or permanent
physical injury, particularly to the hands,
arms and shoulders. To reduce the risk of
vibration-related injury:
22. Do not engrave or stamp anything
into the housing to prevent weaken-
ing of the housing.
23. WARNING: Some dust created by
power sanding, sawing, grinding, drill-
ing, and other construction activities,
contains chemicals known [to the
1. Anyone using vibrating tools regu-
larly or for an extended period should
State of California] to cause cancer,
SKU 66902
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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, ner-
vous system disorders, diabetes, or
Raynaud’s Disease should not use
this tool. If you feel any symptoms
related to vibration (such as tingling,
numbness, and white or blue fingers),
seek medical advice as soon as pos-
sible.
functiOnal descriptiOn
Specifications
Air Pressure
75-90 PSI
Range
Maximum Air
90 PSI
Pressure
Air Inlet
1/4” -18 NPT
6-8 SCFM
Average Air
Consumption
100 Nails/Staples:
Fastener
Capacity
T-Head 16-Gauge Brad Nails, 3/4” -
2” L; 1/4” 18-Gauge Crown Narrow
Gauge Staples, 1/2” - 1-1/2” L
2. Do not smoke during use. Nico-
tine reduces the blood supply to the
hands and fingers, increasing the risk
of vibration-related injury.
components and controls
Air Inlet
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 dif-
ferent processes.
Trigger
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.
Magazine
Safety
Safety - Also called the workpiece contact,
the safety helps prevent the tool from firing
unless it is pressed against an object.
7. To reduce vibration, maintain tool as
explained in this manual. If abnormal
vibration occurs, stop immediately.
saVe these
instructiOns.
initial tOOl set up/
asseMBlY
read the entire iMpOrtant
safetY infOrMatiOn
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
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note: For additional information regarding
the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.
the diagram above. an in-line shut-
off valve is an important safety
device because it controls the air
supply even if the air hose is rup-
tured.
unpacking
note: If an automatic oiler system is not
used, add a few drops of Pneumatic
Tool Oil to the airline connection be-
fore operation. Add a few more drops
after each hour of continual use.
When unpacking, make sure item is
intact and undamaged. If any parts are
missing or broken, call Harbor Freight
Tools at 1-800-444-3353.
• This air tool may be shipped with a
protective plug covering the air inlet.
Remove this plug before set up.
2. Attach an air hose to the compres-
sor’s air outlet. Connect the air hose
to the air inlet of the tool. Other
components, such as a connector,
air hose and quick coupler, will make
operation more efficient, but are not
required.
air supply
tO preVent
explOsiOn:
use only clean, dry, regulated,
compressed air to power tool.
do not use oxygen, carbon
dioxide, combustible gases,
or any other bottled gas as a
power source for this tool.
Warning! tO preVent seriOus
injurY frOM accidental
OperatiOn:
do not install a female quick
coupler on the tool. Such a coupler
contains an air valve that will allow
the air tool to retain pressure and
operate accidentally after the air
supply is disconnected.
note: Air flow, and therefore tool perfor-
mance, can be hindered by under-
sized air supply components.
3. The air hose must be long enough
to reach the work area with enough
extra length to allow free movement
while working.
4. Release the tool’s trigger.
5. Close the in-line safety valve be-
tween 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.
1. Incorporate an in-line oiler, shut-off
valve, regulator with pressure gauge,
and filter for best service, as shown in
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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.
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 injury and distraction.
8. The air pressure setting must not ex-
ceed 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”.
2. Route the air hose along a safe route
to reach the work area without creat-
ing 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.
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 sup-
ply, safely discharge any residual air
pressure, and release the trigger to
prevent accidental operation.
3. Secure loose workpieces using
clamps (not included) to prevent
movement while working.
4. There must not be hazardous ob-
jects (such as utility lines or foreign
objects) nearby that will present a
hazard while working.
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.
full sequential safety trip
Mechanism Definition
This tool has a full sequential safety
trip mechanism, which is designed to
prevent inadvertent firing. The tool should
only fire if the Safety Nosepiece is pressed
against the workpiece prior to pulling the
Trigger. It should only fire again if both
Trigger and Safety Nosepiece are re-
leased first. The Tool should not fire if the
Safety Nosepiece is not pressed against
the workpiece.
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
Rev 09d
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held, carefully lift the tool and press
it against the workpiece again. the
tool must not cycle (fire). If it fails
to perform in the manner explained in
bold, have it repaired by a qualified
service technician.
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.
loading the tool
tO preVent
seriOus injurY
frOM accidental
OperatiOn, BefOre
lOading:
1. Disconnect the tool from the air sup-
ply.
• Wear ansi-approved safety
goggles with side shields.
Other people in the work area
must also wear ANSI-approved
impact safety goggles.
2. Empty the Magazine of fasteners.
3. Check that the Trigger and the Safety
Nosepiece move freely, without stick-
ing.
• release the trigger.
4. Connect the air supply to the tool and
set within the Operating Air Pressure
indicated on the Specification chart.
• 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.
5. Test the tool by pressing the Safety
Nosepiece against the workpiece
without pulling the Trigger. the tool
must not cycle (fire). If it cycles
(fires), stop immediately and have it
repaired by a qualified service techni-
cian.
tO preVent
seriOus injurY
frOM accidental
OperatiOn:
6. Hold the tool away or off of the work-
piece. The Safety Nosepiece should
return to its original position. Squeeze
the Trigger. the tool must not cycle
(fire). If the tool fires, stop immedi-
ately and have it repaired by a quali-
fied service technician.
release the trigger, detach the
air supply, and safely
discharge any residual air
pressure in the tool before
loading. keep the tool
pointed away from yourself
and others at all times. do
not load fasteners with the
trigger or safety depressed.
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
not cycle (fire). With the Trigger
1. Depress the Click Lever (74) to
release the spring-loaded Magazine
(67) from the Magazine Cover (61).
2. Slide the Magazine out.
Rev 09d
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3. Insert the required size Fasteners
(3/4” - 2” L 16-gauge Brad Nails or
1/2” - 1-1/2” L18-gauge Crown Nar-
row Staples) into the Magazine.
use the supplied Plastic Cap (86) on
the Safety.
8. 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.
4. Slide the Magazine back into place
until it clicks.
general Operating instructions
1. Before each use, test the Tool, as
directed in the prior section.
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.
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. Grip the Body (24) of the Nailer with
both hands and press the nose piece
against the surface you wish to fas-
ten. Be sure to keep hands, fingers
and other body parts away from
Nozzle.
9. To prevent accidents, turn off the
tool, detach the air supply, safely
discharge any residual air pressure in
the tool, and release the trigger after
use. Clean external surfaces of the
tool with clean, dry cloth, and apply
a thin coat of tool oil. Then store the
tool indoors out of children’s reach.
4. Push the nose piece on a scrap
material, preferably the same thick-
ness and type of material as the
workpiece. Press the Trigger (42) to
activate the Nailer. Performing this
test-firing will help you to set the cor-
rect air pressure (not exceeding 90
PSI) to properly drive the fastener.
user-Maintenance
instructiOns
Procedures not specifically
explained in this manual
must be performed only by a
qualified technician.
5. Grip the Body (24) of the Nailer with
both hands and press the Nozzle
against the surface you wish to fas-
ten. Be sure to keep hands, fingers
and other body parts away from the
Nozzle.
tO preVent
seriOus injurY
frOM accidental
OperatiOn, BefOre anY
Maintenance Or repairs
are dOne (including clearing
jams):
6. Press the Trigger (42) to activate the
Nailer.
7. To avoid indenting or marring when
working on the face of fine surfaces,
Rev 09d, 09l
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• Wear ansi-approved safety
goggles with side shields.
Other people in the work area
must also wear ANSI-approved
impact safety goggles.
explained as part of the regular op-
eration of the air-operated tool.
1. daily - air supply Maintenance:
Every day, perform maintenance on
the air supply according to the com-
ponent manufacturers’ instructions.
The lubricator’s oil level needs to be
maintained and the moisture filter
must be regularly drained. Perform-
ing routine maintenance on the air
supply will allow the tool to operate
more safely and will also reduce wear
on the tool.
• 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.
• empty the magazine and leave
it open during service. the
Magazine is spring-loaded
and may cause parts or a
clearing jams
tO preVent
seriOus injurY
fastener to fly out of the Tool.
tO preVent seriOus
injurY frOM tOOl
failure:
frOM accidental
OperatiOn, BefOre anY
Maintenance Or repairs
are dOne (including clearing
jams):
do not use damaged
equipment. if abnormal
noise, vibration, or leaking
air occurs, have the problem
corrected before further use.
• Wear ansi-approved safety
goggles with side shields.
Other people in the work area
must also wear ANSI-approved
impact safety goggles.
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
mechanism and may be highly
flammable, causing an
• release the trigger.
• detach the air supply.
• Attempt to fire Tool into piece
of scrap wood to ensure
that it is disconnected and
incapable of firing fasteners.
• empty the magazine and leave
it open during service. the
Magazine is spring-loaded
and may cause parts or a
explosion.
cleaning, Maintenance, and
lubrication
fastener to fly out of the Tool.
1. If a fastener is jammed in the dis-
charge area, remove it with pliers.
note: These procedures are in addition to
the regular checks and maintenance
2. If a fastener is jammed in the maga-
zine, pull the Pusher all the way
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back to the engaged position. Use a
screwdriver to release the jammed
fastener by probing the openings in
the magazine.
remaining fastener strip; it may be
bent or damaged in some other way.
4. If unable to clear jam using the meth-
od prescribed above, the tool should
be repaired by a qualified service
technician.
3. Pull out the jammed fastener and the
remainder of the fastener strip that is
still in the magazine. Dispose of the
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 enough 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
too deeply.
1. Incorrect tool depth setting.
2. Too much air pressure.
1. Tool empty.
1. Adjust depth setting, if available.
2. Reduce air supply pressure (PSI).
1. Fill with correct fastener.
Tool cycles
without firing
fastener.
2. Incorrect fastener used.
2. Empty, then fill with correct fastener.
3. Clean and lubricate magazine and pusher.
3. Magazine dirty or not
lubricated properly.
4. Insufficient air flow.
4. 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
Incorrect fastener type.
Confirm fastener diameter, type, length, angle,
jamming.
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 66902
for technical questions, please call 1-800-444-3353.
Page 13
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parts list
part
description
Q’ty
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
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
part
description
Q’ty
2
2
1
3
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
2
1
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
3
1
1
1
1
1
2
3
4
5
6
7
8
Shoulder Screw
46 Spring Washer
Exhaust Deflector
O-Ring
Spring Washer
Hex Bolt
Head Cap
O-Ring
47 Head Screw
48 Head Cover
49 Hex Bolt
50 Safety
51 Depth Adjusting Knob
52 Adjusting Guide
53 E-Ring
54 Spring
55 Spacer A
56 Hex Bolt
57 Driver Guide Cover
58 Driver Guide
59 Hex Bolt
60 Spacer B
61 Magazine Cover
62 Steel Bar
63 Pusher Unit
64 Spring Holder
65 O-Ring
Gasket
10 Seal
11 Spring
12 Head Valve Piston
13 O-Ring
14 O-Ring
15 O-Ring
16 Collar
17 O-Ring
18 O-Ring
19 Driver Unit
20 O-Ring
21 Cylinder
22 O-Ring
23 Bumper
24 Body
25 Nozzle
26 Seal
27 Upper Trigger Valve
28 O-Ring
29 O-Ring
30 Trigger Valve Piston
31 O-Ring
32 O-Ring
33 Spring
34 Trigger Plunger
35 O-Ring
36 O-Ring
37 Lower Trigger Valve
38 Pin
39 Spring
40 Trigger Plate
41 O-Ring
42 Trigger
66 Spring
67 Magazine
68 Hex Bolt
69 Nail Positioner
70 Tail Hanger
71 Nut
72 Hex Bolt
73 Retainer Pin
74 Click Lever
75 Spring
76 O-Ring
77 Hex Bolt
78 Cylinder Pin
79 Tail Cover
80 Nut
81 Rubber Grip
82 Packing
83 End Cap
84 Hex Bolt
85 Air Plug
86 Plastic Cap
87 Nut
88 Hex Bolt
43 Retainer Pin
44 Safety Guide
45 Pin
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 avail-
able individually as replacement parts.
SKU 66902
for technical questions, please call 1-800-444-3353.
Page 14
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asseMBlY diagraM
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.
SKU 66902
for technical questions, please call 1-800-444-3353.
Page 15
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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 equip-
ment). 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 ap-
ply 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 com-
plaint must accompany the merchandise. If our inspection verifies the defect, we will ei-
ther 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 re-
paired 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
SKU 66902
for technical questions, please call 1-800-444-3353.
Page 16
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