Electronic Function - Makita DUA300ZB Instruction Manual

Main power switch
WARNING:
Always turn off the main power
switch when not in use.
To turn on the tool, press the main power switch until
the main power lamp lights up in green. To turn off,
press the main power switch again.
► Fig.4: 1. Main power lamp 2. Mode indicator
3. Main power switch
NOTE: The main power lamp blinks in green when
you turn on the main power switch while holding down
the lock-off lever and pulling the switch trigger. In this
case, release the switch trigger and the lock-off lever,
and then turn on the main power switch.
NOTE: This tool employs the auto power-off function.
To avoid unintentional start up, the main power switch
will automatically shut down when the switch trigger
is not pulled for a certain period after the main power
switch is turned on.
You can use the tool in the Torque Boost mode for
cutting thick branches or hard branches. To use the tool
in the Torque Boost mode, when the tool is turned off,
press the main power switch for a few seconds until the
mode indicator lights up in green.
NOTE: You can use the tool in the Torque Boost
mode up to 60 seconds. Depending on the usage
conditions, this mode shifts to the normal mode in
less than 60 seconds.
NOTE: If the mode indicator blinks in green when
you press the main power switch for a few seconds,
the Torque Boost mode is not available. In this case,
follow the steps below.
• The Torque Boost mode is not available right
after the cutting operation. Wait for more than
10 seconds, and then press the main power
switch for a few seconds again.
• If you use the Torque Boost mode several times,
the use of the Torque Boost mode is restricted to
protect the battery. If the Torque Boost mode is
not available after waiting for more than 10 sec-
onds, replace the battery cartridge with a fully
charged one, or recharge the battery cartridge.
NOTE: If the main power lamp lights up in red or
blinks in red or green, refer to the instructions for tool/
battery protection system.
Switch action
WARNING:
equipped with lock-off lever which prevents the
tool from unintended starting. NEVER use the tool
if it runs when you simply pull the switch trigger
without pressing the lock-off lever. Return the tool
to our authorized service center for proper repairs
BEFORE further usage.
WARNING:
pose and function of lock-off lever.
CAUTION:
Before installing the battery car-
tridge into the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released.
NOTICE:
Do not pull the switch trigger hard with-
out pressing the lock-off lever. This can cause
switch breakage.
To prevent the switch trigger from being accidentally
pulled, a lock-off lever is provided. To start the tool,
depress the lock-off lever and pull the switch trigger.
The tool speed increases by increasing pressure on the
switch trigger. Release the switch trigger to stop.
► Fig.5: 1. Switch trigger 2. Lock-off lever

Electronic function

The tool is equipped with the electronic functions for
easy operation.
• Constant speed control
The speed control function provides the constant
rotation speed regardless of load conditions.
ASSEMBLY
CAUTION:
Always be sure that the tool is
switched off and the battery cartridge is removed
before carrying out any work on the tool.
CAUTION:
Do not touch the saw chain with
bare hands. Always wear gloves when handling
the saw chain.
Removing or installing saw chain
CAUTION:
The saw chain and the guide bar
are still hot just after the operation. Let them cool
down enough before carrying out any work on
the tool.
CAUTION:
Carry out the procedure of install-
ing or removing saw chain in a clean place free
from sawdust and the like.
To remove the saw chain, perform the following steps:
1.
Loosen the chain adjusting screw, then the retain-
ing nut.
► Fig.6: 1. Chain adjusting screw 2. Retaining nut
16 ENGLISH
For your safety, this tool is
NEVER tape down or defeat pur-