Ifthe input ratingof abatterychargerisgiven in
watts ratherthan in amperes,the corresponding
ampereratingisto bedetermined bydividing the
wattage rating bythevoltage rating-for example:
1,250watts = 10amperes
125volts
9. Donotoperatebatterychargerwith damagedcord
or plug-replacethem immediately.
10. Donot operatebattery chargerif it hasreceiveda
sharpblow,beendropped,or otherwisedamaged
in anyway;take itto a qualifiedserviceman.
11. Do not disassemble batterycharger;take it to a
qualified serviceman when service or repair is
required.Incorrectreassemblymayresultina risk
ofelectric shockor fire.
12. To reduce riskof electric shock,unplug charger
from receptacle before attempting any
maintenanceor cleaning. Removing the battery
will not reducethis risk.
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
UC18YRSL battery charger, be sure to read all
instructions and cautionary statements on it, the battery
and in this manual.
/k CAUTION:
USEONLYHITACHIBATTERYTYPEBSL18
SERIES.OTHERTYPESOFBATTERIESMAY
BURSTANDCAUSEINJURY!
Followtheseinstructionsto avoidthe riskof injury:
Ak WARNING:
Improperuseofthebatteryorbatterychargercan
leadtoseriousinjury.Toavoidtheseinjuries:
1. NEVERdisassemblethe battery.
2. NEVERincinerate the battery, even if it is
damagedor is completely worn out.The battery
canexplode inafire.
3. NEVERshort-circuitthe battery.
4. NEVERinsert any objects into the battery
charger'sair vents.Electric shockor damageto
the batterycharger may result.
5. NEVERcharge outdoors.Keepthe battery away
from directsunlight and useonly where there is
low humidity andgood ventilation.
6. NEVERcharge when the temperature is below
32°F(0°C)or above104°F(40°C).
Chargingthe battery attemperatures outsidethe
rangeof 32°F- 104°F(0°C- 40°C)may prevent
properchargingand reducebattery life.
English
7. NEVERconnecttwo batterychargerstogether.
8. NEVERinsertforeign objectsintothe holefor the
batteryor the batterycharger.
9. NEVERuseaboostertransformerwhencharging.
10. NEVERusean enginegenerator or DCpowerto
charge.
11. NEVERstore the battery or battery charger in
placeswherethetemperaturemayreachor exceed
104°F(40°C).
12. ALWAYSoperate charger on standard household
electricalpower (120volts).Using thecharger on
any othervoltage may overheatand damagethe
charger.
13. ALWAYSwaitatleast15minutesbetweencharges
to avoid overheatingthe charger.
14. ALWAYSdisconnectthe power cord from its
receptaclewhen thecharger isnot in use.
CAUTION ON LITHIUM-ION BATTERY
To extendthe lifetime, the lithium-ion battery equips
with the protectionfunction to stop theoutput.
Inthe casesof 1to 3describedbelow,when usingthis
product, evenif you arepulling the switch,the motor
may stop. This is not the trouble but the result of
protection function.
1. Whenthe batterypower remaining runsout,the
motor stops.
In suchcase,chargeit upimmediately.
2. If the tool is overloaded,the motor may stop. In
this case,releasethe switchof tool andeliminate
causesof overloading. After that, you canuse it
again.
3. Ifthe batteryis overheatedunderoverloadwork,
the battery power maystop.
In this case,stop using the battery and let the
batterycool.After that,you can useit again.
Furthermore, pleaseheedthe following warning and
caution.
Ak WARNING
Inorderto preventanybatteryleakage,heatgeneration,
smoke emission, explosion and ignition beforehand,
pleasebe sureto heedthe following precautions.
1. Makesurethat swarf anddust do not collect on
the battery.
© Duringwork makesurethat swarfand dustdo not
fall onthe battery.
© Makesurethat any swarfanddust falling on the
power tool during work do not collect on the
battery.
0 Do not store an unused battery in a location
exposedto swarf and dust.
0 Before storing a battery, remove any swarf and
dust that may adhere to it and do not store it
togetherwith metalparts(screws,nails,etc.).
iml-i
/
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01Eng WH18DSDL US.p65 7 10/2/12, 2:38 PM