Installingor removing battery cartridge 
0 
Always switch off the tool before insertion or removal of the battery cartridge 
*To remove the battery cartridge, pull out 
the 
set 
plate on the tool and grasp both 
sides of the cartridgewhile withdrawing 
it 
from the tool. 
To insert the battery cartridge, align the 
tongue on the battery cartridge with the 
groove in the housing and slip 
it 
into 
place. Snap the 
set 
plate back into place. 
Be sure to close the 
set 
plate fully before 
usingthe tool. 
Ifthe cartridge does not slide in easily, 
it 
is 
not beinginsertedcorrectly. 
Battery cartridge 
0 
Do 
not use force when insertingthe battery cartridge. 
Charging 
Plug the fast charger into your power 
source. Insert the battery cartridge 
so
that 
the plus and minus terminals on the bat- 
tery cartridge are on the same sides
as 
their 
respective markings on the fast charger. 
Insert the cartridge fully into the port 
so
that 
it 
rests on the charger portfloor. 
Press the start button (red). The charging 
light will come on and chargingwill begin. 
Chargin 
Start 
bu 
If the charginglight does not come on, press the 
reset 
button (yellow)first, then the start 
button (red). If the charging light goes out within 
10 
seconds even after pressing the 
reset button and start button 
a 
couple of times, the battery cartridge 
is 
dead. (CAU- 
TION: 
Wait 
for more than 
5 
seconds after the charging light goes out to press the reset 
button again.) Replace 
it 
with 
a 
new one. When the charginglight goes out after about 
one hour, you may removethe fully charged battery cartridge. 
After charging, unplugthe charger from the power source. 
CAUTION 
: 
Your new battery cartridge 
is 
not charged. You will need tocharge
it 
before use.
*Do 
not keep the button pressed in with tape, etc. or the circuit will not function pro- 
perly. 
Also, 
a 
malfunction of the charger may result possibly causing overheating, 
etc. 
If you try to charge
a 
cartridge from 
a 
just-operated tool, sometimesthe charginglight 
will not come on. If this occurs, let the cartridge cool off for 
a 
while. Then re-insert it 
and try to charge
it 
once more. 
When you charge
a 
new battery cartridge or 
a 
battery cartridgewhich has not been used
for 
a 
long period, 
it 
may not accept 
a 
full charge. This 
is 
a 
normal condition and does
not indicate 
a 
problem. You can recharge the battery cartridge fully after discharging 
it 
almost completely 
a 
couple of times. 
If you wish tocharge two battery cartridges, allow 
15 
minutes between chargings on the 
fast charger. 
7