Makita GN900 User manual

GB Cordless Clipped Head
Framing Nailer
Instruction manual
F Cloueuse à charpente clous à
tête tronquée sans fil
Manuel d’instructions
D Gas-Streifen-Nagler Betriebsanleitung
I Chiodatrice a batteria per
chiodi con testa a semiluna
Istruzioni per l’uso
NL Accunagelpistool voor
skeletbouw
Gebruiksaanwijzing
E Clavadora inalámbrica de
clavos de cabeza recortada
para estructuras
Manual de instrucciones
P Pistola de pregos de cabeça
cortada sem fio
Manual de instruções
DK Ledningsfri sømpistol til søm
m. reduceret hoved
Brugsanvisning
GR Καρφωτικό εργαλείο μπαταρίας
με πρόκα συντετμημένης κεφαλής
Οδηγίες χρήσης
GN900

2
12
34
56
1
2
3
4
5
6
8
7
10
9
11
12
13
14

3
78
910
11 12
13 14
15
16
17

4
15 16
17 18
19 20
21 22
7
5
16
18
19

5
ENGLISH (Original instructions)
Explanation of general view
SPECIFICATIONS
• Due to our continuing programme of research and development, the specifications herein are subject to change without
notice.
• Specifications and battery cartridge may differ from country to country.
• Weight, with battery cartridge, according to EPTA-Procedure 01/2003
Symbols END107-5
The following show the symbols used for the equipment.
Be sure that you understand their meaning before use.
... Read instruction manual.
............. Container under pressure, keep away
from temperatures over 50°C (for ex. sun
radiation) Keep container in a well
ventilated place.
............. Use only outside or well ventilated
rooms. Do not breathe gas.
............. Do not use near flames or sprays on
heated surfaces. In use, may form
flammable/explosive vapour-air mixture.
............. Do not damage, puncture or burn even
after use.
..... Wear safety glasses.
............. Keep fingers away from trigger when not
driving fasteners to avoid accidental
firing.
............. Use only in ventilated area to avoid
nausea and unconsciousness. Never use
tool in combustible atmospheres.
The tool exhaust may ignite flammable
materials.
............. Do not use on scaffoldings, ladders.
............. Warning: hot surface!
Do not touch around this symbol.
Touching the surface may cause burns or
injuries.
.......... Only for EU countries
Do not dispose of electric equipment or
battery pack together with household
waste material!
In observance of European Directive
2002/96/EC on waste electric and
electronic equipment, 2006/66/EC on
batteries and accumulators and waste
batteries and accumulators and their
implementation in accordance with
national laws, electric equipment and
battery pack that have reached the end
of their life must be collected separately
and returned to an environmentally
compatible recycling facility.
Intended use ENE059-1
The tool is intended for the preliminary interior work such
as fixing floor joists or common rafters and framing work
in 2” x 4” housing.
1. Safety glasses
2. Face shield
3. Battery cartridge
4. Fuel cover
5. Trigger
6. Indication lamp
7. Pusher button
8. Pusher lever
9. Magazine
10. Contact element
11. Hex wrench
12. Button
13. Metering valve
14. Cap
15. Jet nozzle
16. Screws
17. Hook
18. Filter cover
19. Filter
Model GN900
Nail length X Shank diameter Nail L: 50 mm - 90 mm d: 2.9 mm - 3.3 mm
Nail capacity 40 nails (1strip)
Nail collation angle (degree) 34
Figure of nail head Clipped
Dimensions (L X H X W) 321 mm X 108 mm X 368 mm
Net weight 3.3 kg
Rated voltage D.C. 7.2 V
Cd
Ni-MH
Li-ion

6
General Power Tool Safety
Warnings GEA010-1
WARNING Read all safety warnings and all
instructions. Failure to follow the warnings and
instructions may result in electric shock, fire and/or
serious injury.
Save all warnings and
instructions for future reference.
IMPORTANT SAFETY
INSTRUCTIONS ENB111-3
WARNING: WHEN USING THIS TOOL, BASIC SAFETY
PRECAUTIONS SHOULD ALWAYS BE FOLLOWED
TO REDUCE THE RISK OF PERSONAL INJURY,
INCLUDING THE FOLLOWING:
READ ALL INSTRUCTIONS.
• For personal safety and proper operation and
maintenance of the tool, read this instruction manual
before using the tool.
• Use the tool only with the Makita genuine fuel cell.
• Never use the tool in enclosed or poorly ventilated
spaces.
• Always wear safety glasses to protect your eyes from
dust or nail injury.
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.
• For Australia and New Zealand only
Always wear safety glasses and face shield to protect
your eyes from dust or nail injury. The safety glasses
and the face shield should conform with the
requirements of AS/NZS 1336.
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.
(Fig. 1)
• 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.
• General Tool Handling Guidelines:
- Always assume that the tool contains fasteners.
- Do not point the tool toward yourself or anyone
whether it contains fasteners or not.
- Do not activate the tool unless the tool is placed
firmly against the workpiece.
- Respect the tool as a working implement.
- No horseplay.
- Do not hold or carry the tool with a finger on the
trigger.
- Do not load the tool with fasteners when any one of
the operating controls is activated.
- 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, thinner, 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.
• Only those involved in the work should be in the
vicinity. Children 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.
• Do not play with the contact element: it prevents
accidental discharge, so it must be kept on and not
removed. Securing the trigger in the ON position is also
very dangerous. Never attempt to fasten the trigger. Do
not operate a tool if any portion of the tool operating
controls is inoperable, disconnected, altered, or not
working properly.
• Always check the tool for its overall condition and loose
screws before operation. Tighten as required.
• Make sure all safety systems are in working order
before operation. The tool must not operate if only the
trigger is pulled or if only the contact arm is pressed
against the wood. It must work only when both actions
are performed. Test for possible faulty operation with
nails unloaded and the pusher in fully pulled position.
• 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.
• Use only nails specified in this manual. The use of any
other nails may cause malfunction of the tool.
• Never use fastener driving tools marked with the
symbol “Do not use on scaffoldings, ladders” for
specific application for example:
- when changing one driving location to another
involves the use of scaffoldings, stairs, ladders, or
ladder alike constructions, e.g. roof laths;
- closing boxes or crates;
- fitting transportation safety systems e.g. on vehicles
and wagons.
• Do not permit those uninstructed to use the tool.
• 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 locations to prevent danger if there is sudden
jerking or catching.

7
• On rooftops and other high locations, nail as you move
forward. 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 operations with less fatigue by doing
so.
• A nail will be bent or the tool can become jammed if
you mistakenly 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.
• Do not point the ejection port at anyone in the vicinity.
Keep hands and feet away from the ejection port area.
• Never carry the tool with your finger on the trigger or
hand it to someone in this condition. 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 handling (dropping or striking). Do not
attempt to carve or engrave on the tool.
• Stop nailing operations immediately if you notice
something wrong or out of the ordinary with the tool.
• Always remove the fuel cell, the battery cartridge and
all of the nails:
- When unattended.
- Before performing any maintenance or repair.
- Before cleaning a jam.
- Before moving the tool to a new location.
• 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 modify tool without authorization from Makita.
• Ask Makita’s Authorized service centers for periodical
inspection of the tool.
• To maintain product SAFETY and RELIABILITY,
maintenance and repairs should be performed by
Makita Authorized Service Centers, always using
Makita replacement parts.
• Do not attempt to keep the trigger contact element
depressed with tape or wire. Death or serious injury
may occur.
• Always check contact element as instructed in this
manual. Nails may be driven accidentally if the safety
mechanism is not working correctly.
SAVE THESE INSTRUCTIONS.
IMPORTANT SAFETY
INSTRUCTIONS ENC007-6
FOR BATTERY CARTRIDGE
1. Before using battery cartridge, read all
instructions and cautionary markings on (1)
battery charger, (2) battery, and (3) product using
battery.
2. Do not disassemble battery cartridge.
3. If operating time has become excessively shorter,
stop operating immediately. It may result in a risk
of overheating, possible burns and even an
explosion.
4. If electrolyte gets into your eyes, rinse them out
with clear water and seek medical attention right
away. It may result in loss of your eyesight.
5. Do not short the battery cartridge:
(1) Do not touch the terminals with any
conductive material.
(2) Avoid storing battery cartridge in a container
with other metal objects such as nails, coins,
etc.
(3) Do not expose battery cartridge to water or
rain.
A battery short can cause a large current flow,
overheating, possible burns and even a
breakdown.
6. Do not store the tool and battery cartridge in
locations where the temperature may reach or
exceed 50°C (122°F).
7. Do not incinerate the battery cartridge even if it is
severely damaged or is completely worn out. The
battery cartridge can explode in a fire.
8. Be careful not to drop or strike battery.
9. Do not use a damaged battery.
SAVE THESE INSTRUCTIONS.
Tips for maintaining maximum battery life
1. Charge the battery cartridge before completely
discharged.
Always stop tool operation and charge the battery
cartridge when you notice less tool power.
2. Never recharge a fully charged battery cartridge.
Overcharging shortens the battery service life.
3. Charge the battery cartridge with room
temperature at 10°C - 40°C (50°F - 104°F). Let a hot
battery cartridge cool down before charging it.
Overview of the nailer (Fig. 2)
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure to remove the fuel cell, the battery
cartridge and nails before adjusting or checking
function on the tool.
Installing or removing battery cartridge
(Fig. 3)
• Always switch off the tool before insertion or removal of
the battery cartridge.
• To remove the battery cartridge, withdraw it from the
tool while pressing the button on the side of the
cartridge as shown in the figure. (Fig. 4)
• To insert the battery cartridge, hold it so that the battery
cartridge front shape fits to that of the battery
installment opening and slip it into place. Always insert
it all the way until it locks in place with a little click. If
not, it may accidentally fall out of the tool, causing
injury to you or someone around you.

8
• Do not use force when inserting the battery cartridge. If
the cartridge does not slide in easily, it is not being
inserted correctly.
Fuel cell
Attaching the metering valve to the fuel cell (Fig. 5)
Detach the cap (in case the metering valve is provided
with the cap). (Fig. 6)
Push in the front edge. (Fig. 7)
Push in the rear edge until it seats.
Inserting the fuel cell (Fig. 8)
Push up and pull the fuel cover to open. (Fig. 9)
Insert the fuel cell directing the jet nozzle of the metering
valve toward the adaptor. (Fig. 10)
Insert the jet nozzle into the small hole of the adapter
properly. (Fig. 11)
Put the fuel cover over the metering valve and push it
down to latch.
Adjusting the nailing depth
CAUTION:
• Remove the fuel cell, the battery cartridge and nails
before adjusting the depth of nailing. (Fig. 12)
With the hex wrench, loosen two screws and move the
contact element. Retighten screws firmly.
Indication lamp
Color of the indication lamp means the followings.
Blinking green: Normal status
Blinking red: Need to recharge the battery cartridge
Lighting-up-red: Recharge the battery cartridge. Nailing
cannot be performed due to no remaining battery
capacity.
Blinking orange after blinking green and red
alternately: Fault detection is running. Remove and
reinsert the battery cartridge to reset. If fault detection is
running again, it is malfunction condition.
Installing the hook (Fig. 13)
The hook is convenient for hanging the tool temporarily.
The hook can be set in two positions according to where
the tool will be hung.
To change the hook position, contract it at its foot by
pushing in from both sides and shift to another position.
ASSEMBLY
CAUTION:
• Always remove the fuel cell and the battery cartridge.
Loading the nailer (Fig. 14)
Insert a strip of nails into the slit in the rear of the
magazine. (Fig. 15)
Pull the Pusher Lever to the rear of the Magazine and
return it to the end of the strip gently. (Fig. 16)
Load nails so that they get parallel to the driver guide.
Removing nails (Fig. 17)
Pull the pusher lever and push the pusher button to
release the nail supporter, and then return the pusher
lever to the top pushing the pusher button.
Slide the nails toward the rear of the magazine and
remove them out.
OPERATION
WARNING:
•Do not touch around the exhaust vent. The surface
will be so hot during or after an operation. Touching
around the exhaust vent may cause burns or injuries.
CAUTION:
• Make sure all safety systems are in working order
before operation. (Fig. 18)
1. To drive a nail, place the contact element against the
workpiece.
The fan motor is activated, fuel gas is injected into
combustion chamber and mixed with air by the fan.
(Fig. 19)
2. Hold the contact element pressing firmly and pull the
trigger.
Fuel gas is combusted and the nail is driven.
3. Further driving can be initiated only after both the
contact element and the trigger are released.
Anti dry fire mechanism
This is the mechanism that the tool prevents to be fired
without nail.
Dry fire prevention automatically sets up when the rest of
nails get to last 4-7 pieces.
Jammed nailer
CAUTION:
• Always be sure to remove the fuel cell and the battery
cartridge before clearing a jam.
When the nailer gets jammed, do as follows.
1. Remove the fuel cell, the battery cartridge and nails.
(Fig. 20)
2. Loosen the (2) magazine mounting screws with the
hex wrench. (Fig. 21)
3. Pull the handle/magazine away from the nose of the
tool and clear jam.
4. Realign the handle/magazine to the nose and tighten
mounting screws.
5. Reload a strip of nails.
WARNING:
•Make sure that the magazine mounting screws are
tight and the magazine is tight to the nose.
Attempting to fire tool with a loose magazine will result
in loss of nail control, damage to the tool or nail
discharge toward operator.
MAINTENANCE
CAUTION:
• Always remove the fuel cell, the battery cartridge and
nails before attempting to perform inspection or
maintenance.

9
• Never use gasoline, benzine, thinner, alcohol or the
like. Discoloration, deformation or cracks may result.
Cleaning the air filter (Fig. 22)
Press slightly up the fuel cover and pivot it open. And then
remove the filter cover and simply lift out the filter. Tap the
filter lightly to remove any dust. Soap and water restores
the filter to an almost new condition.
Maintenance after daily work
At the end of daily work, conduct an end-of-workday
routine.
These simple steps are based on maintaining the safety
and performance of Makita Cordless Clipped Head
Framing Nailer.
Before leaving the work site:
1. Remove the battery cartridge and store in a tool-
carrying case. Always use the Cordless Clipped Head
Framing Nailer case for transporting and storing the
tool.
2. Dispose of all empty fuel cells. Remember to dispose
of these cells where they will not be found by children,
crushed, punctured or burned.
When you get home:
(1) Place the battery cartridge in its charger if it needs
charging as indicated by the red indication lamp
near the handle.
(2) Wipe your Cordless Clip Head Framing Nailer with
a clean, soft cloth.
(3) Check the filter and clean if it is dusty.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers, always
using Makita replacement parts.
OPTIONAL ACCESSORIES
CAUTION:
• These accessories or attachments are recommended
for use with your Makita tool specified in this manual.
The use of any other accessories or attachments might
present a risk of injury to persons. Only use accessory
or attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
• Nails
• Safety goggles
• Fuel cell
• Cleaning kit
• Various type of Makita genuine batteries and chargers
NOTE:
• Some items in the list may be included in the tool
package as standard accessories. They may differ
from country to country.
Noise ENG905-1
The typical A-weighted noise level determined according
to EN792:
Sound pressure level (LpA): 89 dB (A)
Sound power level (LWA): 102 dB (A)
Uncertainty (K): 3 dB (A)
Wear ear protection.
Vibration ENG904-1
The vibration emission value determined according to
EN792:
Vibration emission (ah): 2.5 m/s2or less
Uncertainty (K): 1.5 m/s2
ENG901-1
• The declared vibration emission value has been
measured in accordance with the standard test method
and may be used for comparing one tool with another.
• The declared vibration emission value may also be
used in a preliminary assessment of exposure.
WARNING:
• The vibration emission during actual use of the power
tool can differ from the declared emission value
depending on the ways in which the tool is used.
• Be sure to identify safety measures to protect the
operator that are based on an estimation of exposure in
the actual conditions of use (taking account of all parts
of the operating cycle such as the times when the tool
is switched off and when it is running idle in addition to
the trigger time).
For European countries only ENH003-13
EC Declaration of Conformity
We Makita Corporation as the responsible
manufacturer declare that the following Makita
machine(s):
Designation of Machine:
Cordless Clipped Head Framing Nailer
Model No./ Type: GN900
are of series production and
Conforms to the following European Directives:
2006/42/EC
And are manufactured in accordance with the following
standards or standardised documents:
EN792, EN60745
The technical documentation is kept by our authorised
representative in Europe who is:
Makita International Europe Ltd.
Michigan Drive, Tongwell,
Milton Keynes, Bucks MK15 8JD, England
30. 1. 2009
Tomoyasu Kato
Director
Makita Corporation
3-11-8, Sumiyoshi-cho
Anjo, Aichi, 446-8502, JAPAN

10
FRANÇAIS (Instructions d’origine)
Descriptif
SPÉCIFICATIONS
• Étant donné l’évolution constante de notre programme de recherche et de développement, les spécifications
contenues dans ce manuel sont sujettes à des modifications sans préavis.
• Les spécifications et la batterie peuvent varier d’un pays à l’autre.
• Poids, batterie incluse, selon la procédure EPTA 01/2003
Symboles END107-5
Les symboles utilisés pour l’outil sont indiqués ci-
dessous. Assurez-vous d’avoir bien compris leur
signification avant d’utiliser l’outil.
... Reportez-vous au manuel d’instructions.
............. Récipient sous pression, éloignez-le des
températures supérieures à 50°C (par
ex., les rayons du soleil). Conservez le
récipient dans un lieu bien ventilé.
............. Utilisez ce produit uniquement en
extérieur ou dans des pièces bien
ventilées. Ne respirez pas les gaz.
............. N’utilisez pas le produit près de flammes
ou d’aérosols sur des surfaces chaudes,
au risque de provoquer un mélange d’air
et de vapeurs inflammable/explosif.
............. N’endommagez pas, ne perforez pas et
ne brûlez pas l’outil, même après
utilisation.
..... Portez des lunettes de sécurité.
............. Pour éviter tout déclenchement
accidentel, éloignez les doigts de la
gâchette lorsque vous n’insérez pas de
clous.
............. Utilisez l’outil uniquement dans des
zones ventilées pour éviter tout risque de
nausées et de perte de connaissance.
N’utilisez jamais l’outil dans des
atmosphères combustibles.
L’échappement de l’outil peut entraîner la
combustion de matériaux inflammables.
............. N’utilisez pas l’outil sur un échafaudage
ou une échelle.
............. Avertissement : surface chaude !
Ne touchez pas les surfaces sur
lesquelles figure ce symbole. Vous
risqueriez de vous brûler ou de vous
blesser.
.......... Pour les pays européens uniquement
Ne pas jeter les appareils électriques et
les batteries dans les ordures
ménagères !
Conformément à la directive européenne
2002/96/CE relative aux déchets
d’équipements électriques ou
électroniques (DEEE) et à la directive
2006/66/CE relative aux batteries, aux
accumulateurs ainsi qu’aux batteries et
accumulateurs usagés et à leur
transposition dans la législation
nationale, les appareils électriques et les
batteries doivent être collectés à part et
être soumis à un recyclage respectueux
de l’environnement.
1. Lunettes de sécurité
2. Visière
3. Batterie
4. Capuchon du réservoir de
carburant
5. Gâchette
6. Voyant
7. Bouton-poussoir
8. Levier poussoir
9. Magasin
10. Dispositif de contact
11. Clé hexagonale
12. Bouton
13. Soupape de dosage
14. Coiffe
15. Tuyère d’éjection
16. Vis
17. Fermoir
18. Couvercle du filtre
19. Filtre
Modèle GN900
Longueur des clous x diamètre de la tige Longueur des clous: 50 mm à 90 mm d: 2,9 mm à 3,3 mm
Capacité de clouage 40 clous (1 bande)
Angle intermédiaire des clous (en degrés) 34
Style de la tête des clous À tête tronquée
Dimensions (L X H X P) 321 mm x 108 mm x 368 mm
Poids net 3,3 kg
Tension nominale 7,2 V C.C.
Cd
Ni-MH
Li-ion