Operation Manual

12
Thelockingisreleasedagainwhenthesleeveis
rotatedintheoppositedirection,inorderto
removethetool.
Caution! The drill chuck may be very hot:
Duringlongerworkingperiods,in
particularforimpactdrilling,thedrillchuck
canbecomeveryhot.Inthiscasewe
recommendtheuseofprotectivegloves.
Switching on and off
Presstheon/offswitch(11)toswitchonthe
machine.Releaseagaintoswitchoff.
Continuous use
Switchingon:PresstheON/OFFbutton(11),
holdandretainwiththelock‑onbutton(12).
Switchingoff:PressandreleaseON/OFF
switch(11).
Speed Control
LightlypressingtheON/OFFswitch(11)results
inalowrotationalspeed,allowingacontrolled
softstart.
Furtherpressureontheswitchresultsinan
increaseinspeed.
Electronic speed pre-selection
Therequiredspeedcanbepre‑selectedwiththe
speedselectorthumbwheel(10)(alsopossible
duringoperation).
Therequiredspeeddependsonthematerial
beingmachinedandcanbedeterminedbytrial.
Whenputtingahighloadonthemachine,always
setthespeedselectorthumbwheel(10)tothe
maximumspeed.
Afterlongperiodsatlowoperatingspeed,run
thedrillathighspeedandwithoutloadfor
approx.3minutes,inordertocoolthemachine
down.
Gear selection (Fig.)
Twospeedrangescanbepre‑selectedwiththe
gearselectorswitch(8):
1GearI:Lowerspeedrange
2GearII:Higherspeedrange
Thenalspeedcanbeelectronically
pre‑selectedwithinthesespeedranges.
Thegearscanbeswitchedwhenthemachine
isrunningdownoratastandstill,howevernot
underfullload.
Changing rotational direction
Settherotationaldirectionswitch(9)tothe
right(lefthandrotation)ortotheleft(right‑hand
rotation).Operationinleft‑handrotational
directionenablesapplicationssuchastappingor
looseningboltsornuts.
Therotationaldirectionswitchislockedwhen
theON/OFFswitch(11)isactivated.Changethe
rotationaldirectiononlywhenthemachineisnot
running.
CAUTION! When using the left run it is
especially important to rmly screw on the
chuck.
Normal and percussion drilling
Selectorswitch(4)canbefeltsnappinginto
place,andcanbeactuatedwhilethemachineis
operating.
Drilling
Pushselectorswitch(4)totheleft.
Percussion drilling
Pushselectorswitch(4)totheright.
Tungstencarbidedrillbitsarerequiredfordrilling
concrete,stoneandmasonry.Therotational
directionswitch(9)mustbeintheclockwise
position.
Replacing the key-type drill chuck
(Fig.)
Thedrillchuckissecuredwiththesecuring
screw(20)againstlooseningfromthedrill
spindle.Openthedrillchuckfullyandcompletely
unscrewthesecuringscrew(Caution: lefthand
thread!).
Setanopen‑endspanner(size17mm)ontothe
spannersurface(2)ofthedrillspindleandhold
tight.Insertthechuckkey(16)intooneofthe
threeholesofthedrillchuck.Usethechuckkey
asalevertounscrewthedrillchuckfromthe
spindle,byrotatingincounterclockwisedirection
againsttheopen‑endspanner.Asnugdrillchuck
canbeloosenedbyapplyingalighthammer
blowontothedrillchuckkey(16).
Replacing the keyless chuck (Fig.)
Thedrillchuckissecuredwiththesecuring
screw(20)againstlooseningfromthedrill
spindle.Openthedrillchuckfullyandcompletely
unscrewthesecuringscrew(Caution: lefthand
thread!).ClampanAllenkey(18)intothedrill
chuck.Setanopenendspanner(size17mm)