Operation; Maintenance - Makita GN900 Betriebsanleitung

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 until the rear of the Magazine and
return it to the end of the strip gently.
Removing nails (Fig. 16)
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

CAUTION:
• Make sure all safety systems are in working order
before operation. (Fig. 17)
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. 18)
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 becomes jammed, do as follows.
1. Remove the fuel cell, the battery cartridge and nails.
(Fig. 19)
2. Loosen the (2) magazine mounting screws with the
hex wrench. (Fig. 20)
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.
8
WARNING:
• Make sure that the magazine mounting screws are
tight and the magazine is tight to 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.
Cleaning the air filter (Fig. 21)
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 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 or Factory Service
Centers, always using Makita replacement parts.
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