
9ENGLISH
OPERATION
CAUTION: Always insert the battery cartridge 
all the way until it locks in place. If you can see 
theredpartontheuppersideofthebutton,itisnot
locked completely. Insert it fully until the red part can-
notbeseen.Ifnot,itmayaccidentallyfalloutofthe
tool,causinginjurytoyouorsomeonearoundyou.
CAUTION: When the speed comes down 
extremely, reduce the load or stop the tool to 
avoid the tool damage.
Holdthetoolrmlywithonehandonthegripandthe
otherhandonthebottomofthebatterycartridgeto
control the twisting action.
►Fig.12
Screwdriving operation
CAUTION: Adjust the adjusting ring to the 
proper torque level for your work.
CAUTION: Make sure that the driver bit is 
inserted straight in the screw head, or the screw 
and/or driver bit may be damaged.
Placethepointofthedriverbitinthescrewheadand
apply pressure to the tool. Start the tool slowly and then 
increase the speed gradually. Release the switch trigger 
as soon as the clutch cuts in.
NOTE: When driving wood screw, pre-drill a pilot hole 
2/3thediameterofthescrew.Itmakesdrivingeasier
and prevents splitting of the workpiece.
Drilling operation
First,turntheadjustingringsothatthepointerpointsto
the marking.Thenproceedasfollows.
Drilling in wood
Whendrillinginwood,thebestresultsareobtained
withwooddrillsequippedwithaguidescrew.Theguide
screwmakesdrillingeasierbypullingthedrillbitinto
the workpiece.
Drilling in metal
Topreventthedrillbitfromslippingwhenstartinga
hole, make an indentation with a center-punch and 
hammeratthepointtobedrilled.Placethepointofthe
drillbitintheindentationandstartdrilling.
Useacuttinglubricantwhendrillingmetals.Theexcep-
tionsareironandbrasswhichshouldbedrilleddry.
CAUTION: Pressing excessively on the tool 
will not speed up the drilling. In fact, this excessive 
pressure will only serve to damage the tip of your drill 
bit,decreasethetoolperformanceandshortenthe
service life of the tool.
CAUTION: Hold the tool rmly and exert care 
when the drill bit begins to break through the 
workpiece.Thereisatremendousforceexertedon
thetool/drillbitatthetimeofholebreakthrough.
CAUTION: A stuck drill bit can be removed 
simply by setting the reversing switch to reverse 
rotation in order to back out. However, the tool 
may back out abruptly if you do not hold it rmly.
CAUTION: Always secure small workpieces in 
a vise or similar hold-down device.
CAUTION: If the tool is operated continuously 
until the battery cartridge has discharged, allow 
the tool to rest for 15 minutes before proceeding 
with a fresh battery.
MAINTENANCE
CAUTION: Always be sure that the tool is 
switched off and the battery cartridge is removed 
before attempting to perform inspection or 
maintenance.
NOTICE: Never use gasoline, benzine, thinner, 
alcohol or the like. Discoloration, deformation or 
cracks may result.
Replacing carbon brushes
►Fig.13: 1. Limit mark
Checkthecarbonbrushesregularly.
Replace them when they wear down to the limit mark. 
Keepthecarbonbrushescleanandfreetoslipinthe
holders.Bothcarbonbrushesshouldbereplacedatthe
sametime.Useonlyidenticalcarbonbrushes.
1. Use a screwdriver to remove two screws then 
remove the rear cover.
►Fig.14: 1. Rear cover 2. Screw
2. Raise the arm part of the spring and then place 
itintherecessedpartofthehousingwithaslottedbit
screwdriver of slender shaft or the like.
►Fig.15: 1.Recessedpart 2.Spring  3.Arm
3. Useplierstoremovethecarbonbrushcapsof
thecarbonbrushes.Takeouttheworncarbonbrushes,
insertthenewonesandreplacethecarbonbrushcaps
in reverse.
►Fig.16: 1.Carbonbrushcap
4. Make sure to place the lead wire in opposite side 
of the arm.
►Fig.17: 1.Leadwire  2.Carbonbrushcap
5. Makesurethatthecarbonbrushcapshavetinto
theholesinbrushholderssecurely.