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9 ENGLISH
ASSEMBLY
CAUTION: Always be sure that the tool is
switched o and the battery cartridge is removed
before carrying out any work on the tool.
Selecting correct impact socket
Alwaysusethecorrectsizeimpactsocketforboltsand
nuts. An incorrect size impact socket will result in inac-
curate and inconsistent fastening torque and/or damage
to the bolt or nut.
Installing or removing impact socket
Optional accessory
1
2
►1. Impact socket 2. Square drive
To install the impact socket, push it onto the square
drive of the tool until it locks into place.
Toremovetheimpactsocket,simplypullito.
Installing hook
CAUTION: When installing the hook, always
secure it with the screw rmly. If not, the hook
maycomeofromthetoolandresultinthepersonal
injury.
1
2
3
►1. Groove 2. Hook 3. Screw
Thehookisconvenientfortemporarilyhangingthetool.
This can be installed on either side of the tool. To install
the hook, insert it into a groove in the tool housing on
either side and then secure it with a screw. To remove,
loosen the screw and then take it out.
OPERATION
CAUTION: Always insert the battery cartridge
all the way until it locks in place.Ifyoucanseethe
red indicator on the upper side of the button, it is not
lockedcompletely.Insertitfullyuntiltheredindicator
cannotbeseen.Ifnot,itmayaccidentallyfalloutof
thetool,causinginjurytoyouorsomeonearound
you.
Holdthetoolrmlyandplacetheimpactsocketover
the bolt or nut. Turn the tool on and fasten for the proper
fastening time.
Theproperfasteningtorquemaydierdependingupon
the kind or size of the bolt, the material of the workpiece
to be fastened, etc. The relation between fastening
torqueandfasteningtimeisshowninthegures.
Proper fastening torque for standard bolt
1
N•m
(kgf•cm)
2
20
(200)
40
(410)
60
(610)
80
(820)
100
(1020)
120
(1220)
140
(1430)
160
(1630)
180
(1840)
01
23
M16
M14
M12
M10
M8
M8
M10
M12
M14
M16
1.Fasteningtime(second)2. Fastening torque
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