6
7. Make sure cord is located so that it will not be
stepped on, tripped over, or otherwise subjected
to damage or stress.
8. Do not operate charger with damaged cord or
plug — replace them immediately.
9. Do not operate charger if it has received a sharp
blow, been dropped, or otherwise damaged in
any way; take it to a qualified serviceman.
10. Do not disassemble charger or battery cartridge;
take it to a qualified serviceman when service or
repair is required. Incorrect reassembly may
result in a risk of electric shock or fire.
11. To reduce risk of electric shock, unplug charger
from outlet before attempting any maintenance
or cleaning. Turning off controls will not reduce
this risk.
12. The battery charger is not intended for use by
young children or infirm persons without super-
vision.
13. Young children should be supervised to ensure
that they do not play with the battery charger.
14. If operating time has become excessively
shorter, stop operating immediately. It may result
in a risk of overheating, possible burns and even
an explosion.
15. If electrolyte gets into your eyes, rinse them out
with clear water and seek medical attention right
away. It may result in loss of your eyesight.
ADDITIONAL SAFETY RULES FOR CHARGER
& BATTERY CARTRIDGE
1. Do not charge battery cartridge when tempera-
ture is BELOW 10°C (50°F) or ABOVE 40°C
(104°F).
2. Do not attempt to use a step-up transformer, an
engine generator or DC power receptacle.
3. Do not allow anything to cover or clog the
charger vents.
4. Do not short the battery cartridge:
(1) Do not touch the terminals with any conduc-
tive material.
(2) Avoid storing battery cartridge in a container
with other metal objects such as nails, coins,
etc.
(3) Do not expose battery cartridge to water or
rain.
A battery short can cause a large current flow,
overheating, possible burns and even a break-
down.
5. Do not store the tool and battery cartridge in
locations where the temperature may reach or
exceed 50°C (122°F).
6. Do not incinerate the battery cartridge even if it
is severely damaged or is completely worn out.
The battery cartridge can explode in a fire.
7. Be careful not to drop, shake or strike battery.
8. Do not charge inside a box or container of any
kind. The battery must be placed in a well venti-
lated area during charging.
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and the bat-
tery cartridge is removed before adjusting or checking
function on the tool.
• Always switch off the tool before insertion or removal of
the battery cartridge.
For Models BFT020F, BFT021F, BFT040F, BFT080F
and BFT122F (Fig. 1)
• To remove the battery cartridge, withdraw it from the
tool while pressing the buttons on both sides of the car-
tridge.
• To insert 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 not, it may accidentally fall out
of the tool, causing injury to you or someone around
you.
For Models BFT081F and BFT123F (Fig. 2)
• To remove the battery cartridge, withdraw it from the
tool while sliding the button on the front of the cartridge.
• To insert 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 part on
the upper side of the button, it is not locked completely.
Insert it fully until the red part 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 inserting the battery cartridge. If
the cartridge does not slide in easily, it is not being
inserted correctly.
Charging
Before using battery charger, read all instructions and
cautionary markings on the battery charger.
Tips for maintaining maximum battery life
1. Charge the battery cartridge before completely dis-
charged.
Always stop tool operation and charge the battery car-
tridge when you notice less tool power.
2. Never recharge a fully charged battery cartridge.
Overcharging shortens the battery service life.
3. Charge the battery cartridge with room temperature at
10°C – 40°C (50°F – 104°F).
Let a hot battery cartridge cool down before charging it.
4. Charge the Nickel Metal Hydride battery cartridge
when you do not use it for more than six months.
5. Always stop tool operation and charge the battery car-
tridge when you notice that the warning lamp light-
ened up.
6. Remove the battery cartridge from the tool when it
remains unused for a long time in the future.
