Driving Nails - Makita GN900 Manual De Instrucciones

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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. Ask your local
Makita service center to repair it.
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.
Checking proper action before operation
Before operation, always check following points.
– Make sure that the tool does not operate only by
installing the battery cartridge and fuel cell.
– Make sure that the tool does not operate only by pulling
the trigger.
– Make sure that the tool does not operate only by
placing the contact element against the workpiece
without pulling the trigger.
– Make sure that the tool does not operate when pulling
the trigger first and then placing the contact element
against the workpiece.

Driving nails

1. To drive a nail, place the contact element against the
workpiece. (Fig. 18)
The fan motor is activated, fuel gas is injected into
combustion chamber and mixed with air by the fan.
2. Hold the contact element pressing firmly and pull the
trigger. (Fig. 19)
10
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.
• Never use gasoline, benzine, thinner, alcohol or the
like. Discoloration, deformation or cracks may result.
Maintenance after daily work
Always check the tool for its overall condition and loose
screws before operation. Tighten as required.
At the end of daily work, conduct an end-of-workday
routine.
These simple steps are based on maintaining the safety
and performance of the tool.
Before leaving the work site:
• Remove the battery cartridge and store in a tool-
carrying case. Always use the tool-carrying case for
transporting and storing the tool.
• Dispose of all empty cells where they will not be found
by children, crushed, punctured or burned.
When you get home:
• Place the battery cartridge in its charger if it needs
charging as indicated by the red indication lamp.
• Wipe the tool with a clean, soft cloth.
• Check the filter and clean if it is dusty.

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