Functional Description - Makita BTW250 Instruction Manual

Tips for maintaining maximum battery life
1. Charge the
completely discharged.
Always stop tool operation and charge the
battery cartridge when you notice less tool
power.
2. Never recharge
cartridge.
Overcharging shortens the battery service life.
3. Charge the battery cartridge with room
temperature at 10 ﾟ C - 40 ﾟ C (50 ﾟ F - 104 ﾟ F).
Let a hot battery cartridge cool down before
charging it.
4. Charge the battery cartridge once in every six
months if you do not use it for a long period of
time.

FUNCTIONAL DESCRIPTION

CAUTION:
Always be sure that the tool is switched off and the
•
battery cartridge is removed before adjusting or
checking function on the tool.
Installing or removing battery cartridge
Fig.1
Always switch off the tool before installing or
•
removing of the battery cartridge.
To remove the battery cartridge, slide it from the tool
•
while sliding the button on the front of the cartridge.
To install the battery cartridge, align the tongue on
•
the battery cartridge with the groove in the housing
and slip it into place. Always insert it all the way
until it locks in place with a little click. If you can see
the red indicator on the upper side of the button, it is
not locked completely. Install it fully until the red
indicator cannot be seen. If not, it may accidentally
fall out of the tool, causing injury to you or someone
around you.
Do not use force when installing the battery
•
cartridge. If the cartridge does not slide in easily, it
is not being inserted correctly.
Battery protection system (Lithium-ion
battery with star marking)
Fig.2
Lithium-ion batteries with a star marking are equipped
with a protection system. This system automatically cuts
off power to the tool to extend battery life.
The tool will automatically stop during operation if the tool
and/or battery are placed under one of the following
conditions:
Overloaded:
•
The tool is operated in a manner that causes
it to draw an abnormally high current.
In this situation, release the trigger switch on
the tool and stop the application that caused
the tool to become overloaded. Then pull the
battery cartridge
a fully charged
before
Low battery voltage:
•
battery
Switch action
Fig.3
CAUTION:
Before inserting the battery cartridge into the tool,
•
always check to see that the switch trigger actuates
properly and returns to the "OFF" position when
released.
To start the tool, simply pull the switch trigger. Tool speed
is increased by increasing pressure on the switch trigger.
Release the switch trigger to stop.
Lighting up the front lamp
Fig.4
CAUTION:
Do not look in the light or see the source of light
•
directly.
Pull the switch trigger to light up the lamp. The lamp
keeps on lighting while the switch trigger is being pulled.
The light automatically goes out 10 - 15 seconds after the
switch trigger is released.
NOTE:
Use a dry cloth to wipe the dirt off the lens of lamp.
•
Be careful not to scratch the lens of lamp, or it may
lower the illumination.
Reversing switch action
Fig.5
This tool has a reversing switch to change the direction of
rotation. Depress the reversing switch lever from the A
side for clockwise rotation or from the B side for
counterclockwise rotation.
When the reversing switch lever is in the neutral position,
the switch trigger cannot be pulled.
CAUTION:
Always check the direction of rotation before
•
operation.
Use the reversing switch only after the tool comes
•
to a complete stop. Changing the direction of
rotation before the tool stops may damage the tool.
When not operating the tool, always set the
•
reversing switch lever to the neutral position.
5
trigger switch again to restart.
If the tool does not start, the battery is
overheated. In this situation, let the battery
cool before pulling the trigger switch again.
The remaining battery capacity is too low and
the tool will not operate. In this situation,
remove and recharge the battery.