Driving Nails; Operation - Makita GN420C Instruction Manual

nails stop at the entrance of the magazine because of
the nail stopper. Unlock the magazine by pressing the
button of the nail stopper to remove the nails.
Changing the magazine (optional
accessory)
► 1. Bolt
A magazine with different length is available as optional
accessory.
To change the magazine, loosen the bolt and remove
the magazine. Then install the new magazine. And
fasten the bolt on the magazine.

OPERATION

WARNING:
• Do not touch around the exhaust vent. The
surface will be very hot during or after an oper-
ation. 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
1. To drive a nail, place the contact element against
the workpiece.
The fan motor is activated, fuel gas is injected into com-
bustion chamber and mixed with air by the fan.
1
► 1. Trigger
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.
10 ENGLISH