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When charging is completed, an internal
electronic switch will automatically be trig-
gered to prevent overcharging.
• Charging will not start if the battery
pack is warm (for example, immediately
after heavy-duty operation).
The orange standby lamp will be
flashing until the battery cools down.
Charging will then begin automatically.
4.
When charging is completed, the charging
lamp will start flashing quickly in green color.
5.
If the charging lamp does not light imme-
diately after the charger is plugged in, or if
after the standard charging time the charg-
ing lamp does not flash quickly in green,
consult an authorized dealer.
6. If a fully charged battery pack is inserted
into the charger again, the charging lamp
lights up. After several minutes, the charg-
ing lamp may flash quickly to indicate the
charging is completed.
LAMP INDICATIONS
Green Lit
Charger is plugged into the AC outlet.
Ready to charge.
Green Flashing Quickly
Charging is completed. (Full charge.)
Green Flashing
Battery is approximately 80% charged (Usable charge. Li-ion
only).
Green Lit
Now charging
Orange Lit
Battery pack is cool.
The battery pack is being charged slowly to reduce the load on
the battery. (Li-ion only)
Orange Flashing
Battery pack is warm. Charging will begin when temperature of
battery pack drops.
If the temperature of the battery pack is −10°C or less, the
charging status lamp (orange) will also start ashing. Charg-
ing will begin when the temperature of the battery pack goes
up (Li-ion only).
Charging Status Lamp
Left: green Right: orange will be displayed.
Both Orange and Green Flashing Quickly
Charging is not possible. Clogged with dust or malfunction of
the battery pack.
VI
. MAINTENANCE
Use only a dry, soft cloth for wiping the unit. Do not use a damp cloth, thinner, benzine, or other
volatile solvents for cleaning.
VII
. TIGHTENING TORQUE
The power required for tightening a bolt will vary, according to bolt material and size, as well as
the material being bolted. Choose the length of tightening time accordingly.
Reference values are provided below.
(They may vary according to tightening conditions.)
EY7541(UL).indb 11 2007/01/16 9:32:03