Use and Care Manual
7 ENGLISH
Overheat protection
When the tool or battery is overheated, the tool stops
automatically. In this case, let the tool and battery cool
before turning the tool on again.
NOTE: When the tool is overheated, the lamp blinks.
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 car-
tridge into the tool, always check to see that the
switch trigger actuates properly and returns to
the "OFF" position when released.
1
►1. Switch trigger
Tostartthetool,simplypulltheswitchtrigger.Tool
speed is increased by increasing pressure on the switch
trigger. Release the switch trigger to stop.
Speed change
Therevolutionsandblowsperminutecanbeadjusted
byturningtheadjustingdial.Thedialismarked1(low-
est speed) to 5 (full speed).
1
►1.Adjustingdial
Refer to the table below for the relationship between the
numberontheadjustingdialandtherevolutionsand
blows per minute.
Number Revolutions per
minute
Blows per minute
5 980 5,000
4 810 4,130
3 640 3,260
2 470 2,400
1 300 1,550
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 (For XRH10/
XRH11)
Whenthespeedadjustingdialissetto"3"orhigher,
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
uidityingrease,thetoolmaynothavethisfunction
even with the motor rotating.
Thisfunctionisnotavailablewhenthedustcollection
system is installed.
Lighting up the front lamp
1
►1. Lamp
CAUTION: Do not look in the light or see the
source of light directly.
Pulltheswitchtriggertolightupthelamp.Thelamp
keeps on lighting while the switch trigger is being pulled.
Thelampgoesoutapproximately10secondsafter
releasing the switch trigger.