Makita DUA301 Manual De Instrucciones página 18

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:
For your safety, this tool is
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:
NEVER tape down or defeat pur-
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
Adjusting the pipe length
To extend or shorten the pipe, loosen the lock ring by turning the
lock ring counterclockwise, then adjust the length of the pipe,
and then tighten the ring by turning the lock ring clockwise.
► Fig.6: 1. Lock ring 2. Pipe
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.
Assembling the tool
1. Remove 2 caps from the pipe, and 1 cap from the
head of the tool.
► Fig.7: 1. Cap 2. Pipe 3. Head of tool
2.
Loosen 3 bolts, and then remove 1 bolt using the hex wrench.
► Fig.8: 1. Bolt
3. Insert the pipe into the tool body all the way, and then
align the hole on the pipe with the hole on the tool body.
► Fig.9: 1. Hole 2. Pipe
4. Tighten 3 bolts using the hex wrench.
► Fig.10: 1. Bolt
5.
Loosen 2 bolts, and then remove 1 bolt.
► Fig.11: 1. Bolt
6. Loosen the lock ring by turning the lock ring counter-
clockwise, then extend the pipe approximately 10 cm or more,
and then tighten the lock ring by turning the lock ring clockwise.
► Fig.12: 1. Lock ring 2. 10 cm or more 3. Pipe
7. Insert the pipe into the head of the tool all the way, and then
align the hole on the pipe with the hole on the head of the tool.
► Fig.13: 1. Hole 2. Pipe
8. Tighten 2 bolts using the hex wrench.
► Fig.14: 1. Bolt
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 retaining nut.
► Fig.15: 1. Chain adjusting screw 2. Retaining nut
2. Remove the sprocket cover, and then remove the
saw chain and guide bar from the tool body.
To install the saw chain, perform the following steps:
1. Check the direction of the saw chain. Match the
direction of the saw chain with that of the mark on the
tool body.
2.
Fit one end of the saw chain on the top of the
guide bar. Fit the other end of the saw chain around the
sprocket. Make sure that the saw chain is properly fitted
on the sprocket and properly fitted in the groove of the
guide bar.
18 ENGLISH