IMPORTANT SAFETY INSTRUCTIONS
FOR USE OF THE BATTERY AND
BATTERY CHARGER
You must charge the battery before you can use the power
tool. Before using the model UC18YSL3 battery charger,
be sure to read all instructions and cautionary statements
on it, the battery and in this manual.
CAUTION
USE ONLY HITACHI BATTERY TYPES BSL18
SERIES. OTHER TYPES OF BATTERIES MAY
BURST AND CAUSE INJURY!
Follow these instructions to avoid the risk of injury:
WARNING:
1. NEVER disassemble the battery.
2. NEVER incinerate the battery, even if it is damaged
or is completely worn out. The battery can explode in
a fi re.
3. NEVER short-circuit the battery.
4. NEVER insert any objects into the battery charger's
air vents. Electric shock or damage to the battery
charger may result.
5. NEVER charge outdoors. Keep the battery away
from direct sunlight and use only where there is low
humidity and good ventilation.
6. NEVER charge when the temperature is below 14°F
(-10°C) or above 104°F (40°C).
7. NEVER connect two battery chargers together.
8. NEVER insert foreign objects into the hole for the
battery or the battery charger.
9. NEVER use a booster transformer when charging.
10. NEVER use DC power to charge.
11. NEVER store the battery or battery charger in places
where the temperature may reach or exceed 104°F
(40°C).
12. ALWAYS operate charger on standard household
electrical power (120 volts). Using the charger on any
other voltage may overheat and damage the charger.
13. ALWAYS wait at least 15 minutes between charges to
avoid overheating the charger.
14. ALWAYS disconnect the power cord from its
receptacle when the charger is not in use.
Improper use of the battery
or battery charger can lead to
serious injury. To avoid these
injuries:
CAUTION ON LITHIUM-ION BATTERY
To extend the lifetime, the lithium-ion battery equips with
the protection function to stop the output.
In the cases of 1 to 3 described below, when using this
product, even if you are pulling the switch, the motor may
stop. This is not the trouble but the result of protection
function.
1. When the battery power remaining runs out, the
motor stops.
In such case, charge it up immediately.
2. If the tool is overloaded, the motor may stop. In this
case, release the switch of tool and eliminate causes
of overloading. After that, you can use it again.
3. If the battery is overheated under overload work, the
battery power may stop.
In this case, stop using the battery and let the battery
cool. After that, you can use it again.
Furthermore, please heed the following warning and
caution.
WARNING
In order to prevent any battery leakage, heat generation,
smoke emission, explosion and ignition beforehand,
please be sure to heed the following precautions.
1. Make sure that swarf and dust do not collect on the
battery.
○ During work make sure that swarf and dust do not fall
on the battery.
○ Make sure that any swarf and dust falling on the
power tool during work do not collect on the battery.
○ Do not store an unused battery in a location exposed
to swarf and dust.
○ Before storing a battery, remove any swarf and dust
that may adhere to it and do not store it together with
metal parts (screws, nails, etc.).
2. Do not pierce battery with a sharp object such as a
nail, strike with a hammer, step on, throw or subject
the battery to severe physical shock.
3. Do not use an apparently damaged or deformed
battery.
4. Do not use the battery in reverse polarity.
5. Do not connect directly to an electrical outlets or car
cigarette lighter sockets.
6. Do not use the battery for a purpose other than those
specifi ed.
7. If the battery charging fails to complete even when a
specifi ed recharging time has elapsed, immediately
stop further recharging.
8. Do not put or subject the battery to high temperatures
or high pressure such as into a microwave oven,
dryer, or high pressure container.
9. Keep away from fi re immediately when leakage or
foul odor are detected.
10. Do not use in a location where strong static electricity
generates.
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