Use and Care Manual

7 ENGLISH
Overheat protection
Whenthetoolorbatteryisoverheated,thetoolstops
automaticallyandthelampblinks.Inthiscase,letthe
toolandbatterycoolbeforeturningthetoolonagain.
Overdischarge protection
Whenthebatterycapacityisnotenough,thetoolstopsautomatically.
Inthiscase,removethebatteryfromthetoolandchargethebattery.
Switch action
WARNING: Before installing the battery cartridge into
the tool, always check to see that the switch trigger actuates
properly and returns to the "OFF" position when released.
CAUTION: When not operating the tool,
depress the trigger-lock button from side to
lock the switch trigger in the OFF position.
BA
2
1
►1. Switch trigger 2. Trigger-lock button
Topreventtheswitchtriggerfromaccidentallypulled,
the trigger-lock button is provided. To start the tool,
depress the trigger-lock button from A side and pull the
switch trigger. Release the switch trigger to stop. After
use, press in the trigger-lock button from B side.
Speed change
Therevolutionsandblowsperminutecanbeadjustedbyturningthe
adjustingdial.Thedialismarked1(lowestspeed)to5(fullspeed).
1
►1.Adjustingdial
Refer to the table below for the relationship between the
numberontheadjustingdialandtherevolutionsand
blows per minute.
Number Revolutions per
minute
Blows per minute
5 500 2,900
4 470 2,700
3 380 2,150
2 290 1,650
1 250 1,450
CAUTION: Do not turn the adjusting dial when
the tool is running. Failure to do so may result in
the loss of control of the tool and cause an injury.
NOTICE: If the tool is operated continuously at
low speed for a long time, the motor will get over-
loaded, resulting in tool malfunction.
NOTICE: The speed adjusting dial can be turned
only as far as 5 and back to 1. Do not force it past
5 or 1, or the speed adjusting function may no
longer work.
NOTE: Soft no-load rotation function
Whenthespeedadjustingdialissetto"3"orhigher,
thetoolautomaticallyreducesthespeedatno-loadto
reduce the vibration under no-load. Once operation
starts with a bit against concrete, blows per minute
increase and reach the numbers as shown in the
table. When temperature is low and there is less
uidityingrease,thetoolmaynothavethisfunction
even with the motor rotating.
Lighting up the front lamp
1
►1. Lamp
CAUTION: Do not look in the light or see the
source of light directly.
Pull the switch trigger to light up the lamp. The lamp
keeps on lighting while the switch trigger is being pulled.
Thelampgoesoutapproximately10secondsafter
releasing the switch trigger.