Adjusting The Chain Lubrication; Electronic Function - Makita DUC204 Instruction Manual

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
main power lamp lights up in yellow.
NOTE: You can use the tool in the Torque Boost
mode up to 30 seconds. Depending on the usage
conditions, this mode shifts to the normal mode in
less than 30 seconds.
NOTE: If the main power lamp blinks in yellow 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
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.
NOTE: The Torque Boost mode cannot be used when
the battery cartridge BL1815N, BL1820, or BL1820B
is installed.
Switch action
For your safety, this tool is
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.
NEVER tape down or defeat pur-
WARNING:
pose and function of lock-off lever.
Before installing the battery car-
CAUTION:
tridge into the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released.
Do not pull the switch trigger hard with-
NOTICE:
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.6: 1. Switch trigger 2. Lock-off lever
Checking the chain brake
Hold the chain saw with both
CAUTION:
hands when switching it on. Hold the top handle
with your right hand, the front handle with your
left. The bar and the chain must not be in contact
with any object.
Should the saw chain not stop
CAUTION:
immediately when this test is performed, the
saw may not be used under any circumstances.
Consult our authorized service center.
1.
Press the lock-off lever, then pull the switch trig-
ger. The saw chain starts immediately.
2.
Push the front hand guard forwards with the back
of your hand. Make sure that the chain saw comes to an
immediate standstill.
► Fig.7: 1. Front hand guard 2. Unlocked position
3. Locked position
Checking the run-down brake
If the saw chain does not stop
CAUTION:
within two seconds in this test, stop using the
chain saw and consult our authorized service
center.
Run the chain saw then release the switch trigger com-
pletely. The saw chain must come to a standstill within
two seconds.

Adjusting the chain lubrication

You can adjust the oil pump feed rate with the adjusting
screw using the universal wrench. The amount of oil
can be adjusted in 3 steps.
► Fig.8: 1. Adjusting screw
Carabiner (rope attachment point)
You can hang the tool by attaching the rope to the cara-
biner. Pull up the carabiner, and then tie it with the rope.

Electronic function

The tool is equipped with the electronic functions for
easy operation.
• Soft start
The soft-start function minimizes start-up shock,
and makes the tool start smoothly.
ASSEMBLY
Always be sure that the tool is
CAUTION:
switched off and the battery cartridge is removed
before carrying out any work on the tool.
Do not touch the saw chain with
CAUTION:
bare hands. Always wear gloves when handling
the saw chain.
14 ENGLISH