Air Nailer
MODEL AG090
MODEL AG125
I N S T R U C T I O N M A N U A L
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
w w w. m a k i t a t o o l s . c o m
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READ ALL
INSTRUCTIONS.
For personal safety and proper operation and maintenance
of the tool, read this instruction manual carefully before using
the tool.
Always wear safety glasses to protect your eyes from dust or
nail injury. The safety glasses should conform with the
requirements of ANSI Z87.1 - 1979.
WARNING:
•
It is an employer’s responsibility to enforce the use of
safety eye protection equipment by the tool operators
and by other persons in the immediate working area.
Wear hearing protection to protect your ears against exhaust
noise and head protection. Also wear light but not loose
clothing. Sleeves should be buttoned or rolled up. No necktie
should be worn.
Rushing the job or forcing the tool is dangerous. Handle the
tool carefully. Do not operate when under the influence of
alcohol, drugs or the like.
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General Tool Handling Guidelines:
1. Always assume that the tool contains fasteners.
2. Do not point the tool toward yourself or anyone whether
it contains fasteners or not.
3. Do not actuate the tool unless the tool is placed firmly
against the workpiece.
4. Respect the tool as a working implement.
5. No horseplay.
6. Do not hold or carry the tool with a finger on the trigger.
7. Do not load the tool with fasteners when any one of the
operating controls is activated.
8. Do not operate the tool with any power source other than
that specified in the tool operating/safety instructions.
An improperly functioning tool must not be used.
Sparks sometimes fly when the tool is used. Do not use the
tool near volatile, flammable materials such as gasoline, thin-
ner, paint, gas, adhesives, etc.: they will ignite and explode,
causing serious injury.
The area should be sufficiently illuminated to assure safe
operations. The area should be clear and litter- free. Be
especially careful to maintain good footing and balance.
4
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Only those involved in the work should be in the vicinity. Chil-
dren especially must be kept away at all times.
There may be local regulations concerning noise which must
be complied with by keeping noise levels within prescribed
limits. In certain cases, shutters should be used to contain
noise.
Shutter
Bang !
Securing the trigger in the ON position is also very danger-
ous. Never attempt to fasten the trigger.
Do not operate a tool if any portion of the toot operating con-
trols is inoperable, disconnected, altered, or not working
properly.
Trigger
Operate the tool within the specified air pressure of 4.5 - 8.5
kgf/cm²G (65 - 120 PSIG) for safety and longer tool life. Do
not exceed the recommended max. operating pressure of 8.5
kgf/cm²G (120 PSIG). The toot should not be connected to a
source whose pressure potentially exceeds 14.0 kgf/cm²G
(200 PSIG).
Never use the tool with other than compressed air. If bottled
gas (carbon dioxide, oxgen, nitrogen, hydrogen, air, etc.) or
combustible gas (hydrogen, propane, acetylene, etc.) is used
as a power source for this toot, the tool will explode and
cause serious injury.
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Always check the tool for its overall condition and loose
screws before operation. Tighten as required.
Make sure the safety system is in working order before oper-
ation. The tool must not operate if only the nail guide is
pressed against the wood.
Nail guide
Test for possible faulty operation with nails unloaded and the
adjuster set to the number 1.
Trigger
Adjuster
Check walls, ceilings, floors, roofing and the like carefully to
avoid possible electrical shock, gas leakage, explosions, etc.
caused by striking live wires, conduits or gas pipes.
Gas pipe
Live wire
Use only nails specified in this manual. The use of any other
nails may cause malfunction of the tool.
Do not permit those uninstructed to use the tool.
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Make sure no one is nearby before nailing. Never attempt to
nail from both the inside and outside at the same time. Nails
may rip through and /or fly off, presenting a grave danger.
Watch your footing and maintain your balance with the tool.
Make sure there is no one below when working in high loca-
tions, and secure the air hose to prevent danger if there is
sudden jerking or catching.
On rooftops and other high locations, nail as you move for-
ward. It is easy to lose your footing if you nail while inching
backward. When nailing against perpendicular surface, nail
from the top to the bottom. You can perform nailing opera-
tions with less fatigue by doing so.
A nail will be bent or the tool can become jammed if you mis-
takenly nail on top of another nail or strike a knot in the wood.
The nail may be thrown and hit someone, or the tool itself
can react dangerously. Place the nails with care.
Nail
Do not leave the loaded tool or the air compressor under
pressure for a long time out in the sun. Be sure that dust,
sand, chips and foreign matter will not enter the tool in the
place where you leave it setting.
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DO not point the ejection port at anyone in the vicinity. Keep
hands and feet away from the ejection port area.
When the air hose is connected, do not carry the tool with
your finger on the trigger or hand it to someone in this condi-
tion. Accidental firing can be extremely dangerous.
Handle the tool carefully as there is high pressure inside the
tool that can be dangerous if a crack is caused by rough han-
dling (dropping or striking). Do not attempt to carve or
engrave on the tool.
Thump
Stop nailing operations immediately if you notice something
wrong or out of the ordinary with the tool.
Always disconnect the air hose and remove the nail:
1. When unattended.
2. Before performing any maintenance or repair.
3. Before cleaning a jam.
4. Before moving the tool to a new location.
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Perform cleaning and maintenance right after finishing the
job. Keep the tool in tip-top condition. Lubricate moving parts
to prevent rusting and minimize friction related wear. Wipe off
all dust from the parts.
Do not operate this tool if it does not contain a legible WARN-
ING LABEL.
Do not modify tool without authorization from Makita.
Ask Makita’s Factory or Authorized service center for periodi-
cal inspection of the tool.
To maintain product SAFETY and RELIABILITY, mainte-
nance and repairs should be performed by Makita Authorized
or Factory Service Centers, always using Makita replace-
ment parts.
SAVE THESE INSTRUCTIONS
9
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TOOL
INSTALLATION
INSTRUCTIONS
AND USE
Selecting compressor
The air compressor must comply with the requirements of
ANSI B19.3 - 1981.
Select a compressor that has ample pressure and air output
to assure cost-efficient operation. The graph shows the rela-
tion between nailing frequency and compressor air output at
a compression of 8.5 kgf/cm²G (120 PSIG). Thus, for exam-
ple, when you drive about 10 nails 3.75 mm x 90 mm (0.148”
x 3-1/2”) per minute, a compressor with an air output over 55
l/minute is required. Pressure regulators must be used to
limit air pressure to the rated pressure of the tool where air
supply pressure exceeds the tool’s rated pressure. Failure to
do so may result in serious injury to tool operator or persons
in the vicinity.
NOTE:
•
Nail size indicates diameter x length.
Selecting air hose
Use an air hose as large and as short as possible to assure
continuous, efficient nailing operation. With an air pressure of
5 kgf/cm²G (70 PSIG), an air hose with an internal diameter
of over 8.5 mm (5/16”) and a length of less than 20 m (6.6 ft.)
is recommended when the interval between each nailing is
0.5 seconds. Air supply hoses shall have a minimum working
pressure rating of 10.7 kgf/cm²G (150 PSIG) or 150 percent
of the maximum pressure produced in the system whichever
is higher.
CAUTION:
Low air output of the compressor, or a long or smaller
diameter air hose in relation to the nailing frequency may
cause a decrease in the driving capability of the tool.
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Lubrication
To insure maximum performance, install an air set (oiler, reg-
ulator, air filter) as close as possible to the tool. Adjust the
oiler so that one drop of oil will be provided for every 20 nails.
When an air set is not used, oil the tool with pneumatic tool
oil by placing 2 (two) or 3 (three) drops into the air fitting. This
should be done before and after use. For proper lubrication,
the tool must be fired a couple of times after pneumatic tool
oil is introduced.
Selecting nails
CAUTION:
Nail guide
D1
•
Do not drive hardened steel nails or stainless steel nails
into concrete or steel plate. If you do so, the nailer may
be adversely affected.
D2
Gauge
Always check the size of the nail head with the gauge on the
nail guide before loading the nailer. Different size nails may
be mixed up in the nails you purchase locally.
Do not use nails with a head size larger than D1 or smaller
than D2. Nails with a head size larger than D1 cannot be
inserted into the nail guide. Nails with a head size smaller
than D2 may move into the contact arm and cannot be
driven.
11
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Loading nailer
CAUTION:
•
•
Be careful not to touch the trigger when loading the nail.
Nail head
When loading nail into the nailer, grip the nail by the
shank, not the tip.
Nail shank
Nail tip
Hold the nail shank lightly and insert the nail head into the
nail guide until the nail is held firmly by the magnet.
Magnet
Nail
Contact arm
Nail guide
Adjusting depth of nailing
CAUTION:
•
Always disconnect the hose before adjusting the depth
of nailing.
To adjust the depth of nailing, turn the adjuster so that the
arrow above the adjuster will point to the number indicated
on the adjuster. The depth of nailing is the deepest when the
arrow points to the number 1. It will become shallower as the
arrow points to higher number. The depth can be changed in
approx. 1.5 mm (1/16”) increments per graduation. If nails
cannot be driven deep enough even when the arrow points to
the number 1, increase the air pressure.
Adjuster
Connecting air hose
Air fitting
Slip the air socket of the air hose onto the air fitting on the
nailer. Be sure that the air socket locks firmly into position
when installed onto the air fitting. A hose coupling must be
installed on or near the tool in such a way that the pressure
reservoir will discharge at the time the air supply coupling is
disconnected.
Air socket
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Operation
CAUTION:
Driving surface
•
Make sure the safety system is in working order before
operation.
To start driving, place the tip of the nail against the driving
surface and pull the trigger. At the start of driving, apply gen-
tle downward pressure on the nailer in the arrow direction to
hold the nail firmly. When the impact of the contact arm
stops, the driving operation is over. If the nail is not driven
deep enough, place the ejection port of the nailer over the
nail head. Press the nailer against the driving surface firmly
and pull the trigger to do additional driving of the nail.
Trigger
NOTE:
•
The nailer will not operate unless you apply sufficient
pressure to the contact arm. If this occurs, apply forward
pressure to the nailer again while pulling the trigger to
start operation.
Nailing with one or two impacts
1
Set the tip of the nail firmly
against driving surface.
When you need to position a nail or drive a shallow nail:
1. Set the tip of the nail firmly against the driving surface.
2. Pull the trigger.
2
Pull trigger.
3. Withdaw the nailer from the driving surface immediately
after one or two impacts.
3
Withdaw nailer from driving surface
immediately after one or two impacts.
NOTE:
•
The impacts will continue as long as you keep the nailer
pressed up against the driving surface, even if you
release the trigger.
Nailing in metal plate holes
CAUTION:
Metal plate
Hole
•
Always make sure that the tip of the nail is inserted in the
hole in the metal plate before you start nailing.
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Air exhaust
Exhaust cover
Air exhaust direction can be changed easily by rotating the
exhaust cover. Change it when necessary.
Jammed nailer
CAUTION:
•
Always disconnect the hose before cleaning a jam.
Pliers
Nail
When the nailer becomes jammed, do as follows:
Nail guide
Use pliers to bend the jammed nail so that the nail head
comes out of the nail guide. Then remove the jammed nail.
After removing the jammed nail, make sure that the nail
guide and the contact arm move smoothly.
Hook
Hook
The hook is convenient for hanging the tool temporarily. This
hook can be installed on either side of the tool.
Hex wrench 3
To remove the hex wrench 3 from the hook, press up on the
end of the hex wrench as shown in the figure.
Press up
CAUTION:
•
Always disconnect the hose when hanging the tool using
the hook.
•
•
Always tighten the hook securing bolt firmly.
Never hang the tool on a waist belt or the like.
Dangerous accidental firing may result.
Nails
Avoid storing nails in a very humid or hot place or place
exposed to direct sunlight.
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MAINTENANCE
CAUTION:
•
Always disconnect the hose before attempting to
perform inspection or maintenance.
Maintenance of nailer
Always check the tool for its overall condition and loose
screws before operation. Tighten as required.
With tool disconnected, make daily inspection to assure free
movement of the nail guide and trigger. Do not use tool if the
nail guide or trigger sticks or binds.
Trigger
Nail guide
When the tool is not to be used for an extended period of
time, lubricate the tool using pneumatic tool oil and store the
tool in a safe place. Avoid exposure to direct sunlight and/or
a humid or hot environment.
15
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Maintenance of compressor, air set and air hose
After operation, always drain the compressor tank and the air
filter. If moisture is allowed to enter the tool, it may result in
poor performance and possible tool failure.
Check regularly to see if there is sufficient pneumatic oil in
the oiler of the air set. Failure to maintain sufficient lubrica-
tion will cause O-rings to wear quickly.
Keep the air hose away from heat (over 60°C, over 140°F),
away from chemicals (thinner, strong acids or alkalis). Also,
route the hose away from obstacles which it may become
dangerously caught on during operation. Hoses must also be
directed away from sharp edges and areas which may lead
to damage or abrasion to the hose.
To maintain product SAFETY and RELIABILITY, mainte-
nance and repairs should be performed by Makita Authorized
or Factory Service Centers, always using Makita replace-
ment parts.
16
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First-Class
Postage
Required
Post Office will
not deliver
without proper
postage.
Makita U.S.A., Inc.
14930 Northam Street
La Mirada, CA 90638-5753
Fold
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MAIL THIS PORTION
Your answers to the following questions are appreciated.
1. This product was purchased from:
3. How did you learn about this product:
Home Center
Other (
)
Magazine
Radio
Hardware/Lumber Store
Tool Distributor
From Dealer
Newspaper
Store Display
Catalog
Exhibition
From Friend
Previous Usage
Other (
Industrial Supply
Construction Supply
)
2. Use of the product is intended for:
4. Most favored points are:
Construction Trade
Industrial Maintenance
Home Maintenance
Hobby
Design
Repair Service
Durability
Power
Features
Size
Price
Other (
)
Other (
)
Makita Brand
5. Any comments:
DATE PURCHASED
MONTH
MODEL NO.
DAY
YEAR
SERIAL NO.
STATUS
SEX
Married Single
M
F
INTL.
LAST NAME / COMPANY NAME
STREET ADRESS
CITY
AREA
CODE
STATE
ZIP CODE
PHONE
40-49
Under 19
20-29
30-39
50-60
Over 60
AGE:
BE SURE TO COMPLETE THE CUSTOMER’S PORTION OF THIS FORM AND RETAIN FOR YOUR RECORDS.
Please return this portion by facsimile or mail.
Facsimile No: (714) 522-8133
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FACTORY SERVICE CENTERS
1-800-4-MAKITA
RETAIN THIS PORTION FOR YOUR RECORDS
ALABAMA
COLORADO
KENTUCKY
NEW MEXICO
PUERTO RICO
2365 Pelham Parkway
Pelham, AL 35124
(205) 620-1791
11839 E. 51st Ave.
Denver, CO 80239-2709
(303) 371-2850
1215 S. Hurstbourne Parkway
Louisville, KY 40222
(502) 326-3740
5805 Menaul Blvd. NE
Albuquerque, NM 87110
(505) 881-4619
200 Guayama St.
Hato Rey, PR 00917
(787) 250-8776
ARIZONA
CONNECTICUT
508 Spring St.
Windsor Locks, CT 06096
(860) 292-6405
LOUSIANA
NEW YORK
TENNESSEE
3707 E. Broadway Rd., Ste. 6
Phoenix, AZ 85040
(602) 437-2850
5626 Jefferson Hwy.
Harahan, LA 70123
(504) 733-4138
4917 Genessee Street
Cheektowaga, NY 14225
(716) 685-9503
4655 Nolensville Rd.
Nashville, TN 37211
(615) 331-9922
131-35 31st Ave.
Flushing, NY 11354
(718) 886-0971
ARKANSAS
FLORIDA
MARYLAND
TEXAS
Shackleford Shopping Center
240 South Shackleford Rd.,
Ste. C
620 Douglas Ave. Suite 1302
Altamonte Springs, FL 32714
(407) 774-6000
7541 - 45 Ritchie Highway
Glen Burnie, MD 21061
(410) 590-0160
12801 Stemmons Fwy Ste. 809
Farmers Branch, TX 75234
(972) 243-1150
Little Rock, AR 72211
(501) 224-5733
NORTH CAROLINA
3501-G S. Tryon St.
Charlotte, NC 28217
(704) 527-0611
750 East Sample Road
Pompano Beach, FL 33064
(954) 781-6333
12701 Directors Dr.
Stafford, TX 77477-3701
(281) 565-8665
MASSACHUSETTS
232 Providence Hwy.
Westwood, MA 02090
(617) 461-9754
CALIFORNIA
41850 Christy St.
Fremont, CA 94538-5107
(510) 657-9881
Thompson Center Waters
5501 W. Waters Ave., Ste. 406
Tampa, FL 33634
3453 IH-35 North, Ste. 101
San Antonio, TX 78219
(210) 228-0676
OHIO
6253 E. Main St.
Columbus, OH 43213
(614) 860-0222
(813) 886-8292
MICHIGAN
1421 N. Clovis Ave., Ste. 112
Fresno, CA 93727
(559) 252-5166
37454 Ann Arbor Trail
Livonia, MI 48150
(313) 432-1012
UTAH
GEORGIA
6379 Pearl Road
Parma Heights, OH 44130
(440) 843-7555
145 E. 1300 S., Ste. 101
Salt Lake City, UT 84115
(801) 359-3410
4680 River Green Parkway
Duluth, GA 30096-2566
(770) 476-8911
14930 Northam St.
La Mirada, CA 90638-5753
(714) 522-8088
MINNESOTA
6427 Penn Ave. South
Richfield, MN 55423
(612) 869-5199
1617 E. Kemper Rd.
Sharonville, OH 45246
(513) 771-0788
VIRGINIA
5760 Northampton Blvd,. Ste.
102
Virginia Beach, VA 23455
(757) 460-0280
1970 Fulton Avenue
Sacramento, CA 95825
(916) 482-5197
HAWAII
4510 Salt Lake Blvd., Suite A7
Honolulu, HI 96818
(808) 847-0038
MISSOURI
OKLAHOMA
1440 South “E” Street
San Bernardino, CA 92408
(909) 885-1289
9876 Watson Road
St. Louis, MO 63126-2221
(314) 909-9889
552 E. Memorial Road
Oklahoma City, OK 73114
(405) 752-2655
ILLINOIS
WASHINGTON
1450 Feehanville Dr.
Mt. Prospect, IL 60056-6011
(847) 297-3100
22220 84th Ave. So., Bldg. A
Kent, WA 98032
(253) 395-8055
7674 Clairemont Mesa Blvd.
San Diego, CA 92111
(858) 278-4471
NEBRASKA
OREGON
4129 S. 84th St.
Omaha, NE 68127
(402) 597-2925
828 19th Avenue., N.W.
Portland, OR 97209
(503) 222-1823
1714 E.McFadden Ave., Unit M
Santa Ana, CA 92705
(714) 667-5066
INDIANA
WISCONSIN
8403 Michigan Road, Unit 1
Indianapolis, IN 46268
(317) 334-9980
Lincoln Plaza Shopping Ctr.
2245 S. 108th St. West Allis, WI
53227
NEVADA
3375 S. Decatur Blvd.
Suites. 22 - 24
Las Vegas, NV 89102
(702) 368-4277
PENNSYLVANIA
Springwater Plaza
364 Wilmington W. Chester
Pike
Glen Mills, PA 19342
(610) 459-4122
1565 Winchester B.
Campbell, CA 95008-0501
(408) 379-0377
(414) 541-4776
KANSAS
8819 W. 95th St.
Overland Park, KS 66212
(913) 642-1111
16735 Saticoy St., Ste. 105
Van Nuys, CA 91406
(818) 782-2440
NEW JERSEY
6200 Babcock Blvd
Pittsburgh, PA 15237
(412) 366-6363
251 Herrod Blvd.
Dayton, NJ 08810-1539
(609) 655-1212
CUSTOMER’S RECORD
Date Purchased
When you need service: Send
complete tool (prepaid) to one
of the Makita Factory Service
Centers listed, or to an Authorized
Makita Service Center. Be sure
to attach a letter to the outside of
the carton detailing the problem
with your tool.
Dealer’s Name & Address
Model No.
Serial No.
19
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MAKITA LIMITED ONE YEAR WARRANTY
Warranty Policy
Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of
defects from workmanship and materials for the period of ONE YEAR from the date of original purchase.
Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of
Makita's Factory or Authorized Service Centers. If inspection shows the trouble is caused by defective
workmanship or material, Makita will repair (or at our option, replace) without charge.
This Warranty does not apply where:
• repairs have been made or attempted by others:
• repairs are required because of normal wear and tear:
• the tool has been abused, misused or improperly maintained:
• alterations have been made to the tool.
IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES FROM THE SALE OR USE OF THE PRODUCT. THIS DISCLAIMER APPLIES BOTH DURING
AND AFTER THE TERM OF THIS WARRANTY.
MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES, INCLUDING IMPLIED WARRANTIES OF
"MERCHANTABILITY" AND "FITNESS FOR A SPECIFIC PURPOSE," AFTER THE ONE-YEAR TERM OF
THIS WARRANTY.
This Warranty gives you specific legal rights, and you may also have other rights which vary form state to state.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitation or exclusion may not apply to you. Some states do not allow limitation on how long an implied
warranty lasts, so the above limitation may not apply to you.
Makita Corporation
3-11-8, Sumiyoshi-cho,
Anjo, Aichi 446-8502 Japan
884277C065
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