Instructions

8 ENGLISH
Reversing switch action
►Fig.6: 1. Reversing switch lever
CAUTION: Always check the direction of
rotation before operation.
CAUTION: Use the reversing switch only after
the tool comes to a complete stop. Changing the
directionofrotationbeforethetoolstopsmaydam-
age the tool.
CAUTION: When not operating the tool,
always set the reversing switch lever to the neu-
tral position.
Thistoolhasareversingswitchtochangethedirection
of rotation. Depress the reversing switch lever from the
AsideforclockwiserotationorfromtheBsideforcoun-
terclockwise rotation.
When the reversing switch lever is in the neutral posi-
tion,theswitchtriggercannotbepulled.
Speed change
►Fig.7: 1. Speed change lever
CAUTION: Always set the speed change lever
fully to the correct position. If you operate the
tool with the speed change lever positioned halfway
betweenthe"1"sideand"2"side,thetoolmaybe
damaged.
CAUTION: Do not use the speed change lever
while the tool is running.Thetoolmaybedamaged.
Position of
speed
change lever
Speed Torque Applicable
operation
1 Low High Heavy load-
ing operation
2 High Low Light loading
operation
Tochangethespeed,switchoffthetoolrst.Select
the"2"sideforhighspeedor"1"forlowspeedbuthigh
torque. Be sure that the speed change lever is set to the
correctpositionbeforeoperation.
If the tool speed is coming down extremely during the
operationwith"2",slidethelevertothe"1"andrestart
the operation.
Selecting the action mode
CAUTION: Always set the ring correctly to
your desired mode mark. If you operate the tool
with the ring positioned halfway between the
mode marks, the tool may be damaged.
CAUTION: When you change the position
from " " to other modes, it may be a little dif-
culty to slide the action mode changing ring. In
this case, switch on and run the tool for a second
at the " " position, then stop the tool and slide
the ring to your desired position.
►Fig.8: 1.Actionmodechangingring2.Adjusting
ring 3. Graduation 4.Arrow
Thistoolhasthreeactionmodes.
Drilling mode (rotation only)
Hammer drilling mode (rotation with
hammering)
Screwdriving mode (rotation with clutch)
Selectonemodesuitableforyourwork.Turnthe
action mode changing ring and align the mark that you
selectedwiththearrowonthetoolbody.
Adjusting the fastening torque
►Fig.9: 1.Actionmodechangingring2.Adjusting
ring 3. Graduation 4.Arrow
Thefasteningtorquecanbeadjustedin21stepsby
turningtheadjustingring.Alignthegraduationswith
thearrowonthetoolbody.Youcangettheminimum
fastening torque at 1 and maximum torque at 21.
Before actual operation, drive a trial screw into your
material or a piece of duplicate material to determine
which torque level is required for a particular applica-
tion.Thefollowingshowstheroughguideoftherela-
tionshipbetweenthescrewsizeandgraduation.
Graduation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
Machine screw M4 M5 M6
Wood
screw
Soft wood
(e.g. pine)
ɸ3.5 x 22 ɸ4.1x 38
Hard wood
(e.g. lauan)
ɸ3.5 x 22 ɸ4.1x 38