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Selecting correct socket
Always use the correct size socket for bolts and nuts. An
incorrect size socket will result in inaccurate and inconsistent
fastening torque and/or damage to the bolt or nut.
Installing or removing socket
To install the socket, push it onto the anvil of the tool until it
locks into place.
To remove the socket, simply pull it off.
OPERATION
CAUTION:
• Always insert the battery cartridge all the way until it
locks in place. If you can see the red part on the upper
side of the button, it is not locked completely. Insert it
fully until the red part cannot be seen. If not, it may
accidentally fall out of the tool, causing injury to you or
someone around you.
The proper fastening torque may differ depending upon the
kind or size of the bolt, the material of the workpiece to be
fastened, etc. The relation between fastening torque and fas-
tening time is shown in the figures.
Hold the tool firmly and place the socket over the bolt or nut.
Turn the tool on and fasten for the proper fastening time.
NOTE:
• When fastening screw M8 (5/16”) or smaller, carefully
adjust pressure on the switch trigger so that the screw is
not damaged.
• Hold the tool pointed straight at the bolt or nut.
• Excessive fastening torque may damage the bolt/nut or
socket. Before starting your job, always perform a test
operation to determine the proper fastening time for your
bolt or nut. Especially for the bolt smaller than M8 (5/
16”), perform the above test operation to prevent the
trouble on socket or bolt, etc.
1. Socket
2. Anvil
1
2
002334
N.m
(ft.lbs)
80
(58)
100
(72)
120
(86)
140
(100)
60
(43)
40
(29)
20
(14)
012
345
(S)
M14 (9/16”)
M12 (1/2”)
M16 (5/8”)
M16 (5/8”)
M12 (1/2”)
M14 (9/16”)
Fastening torque
Fastening time
Proper fastening torque
Standard bolt
002365
N.m
(ft.lbs)
80
(58)
100
(72)
120
(86)
140
(100)
60
(43)
40
(29)
20
(14)
012
345
(S)
M8 (5/16”)
M12 (1/2”)
M10 (3/8”)
M8 (5/16”)
M12 (1/2”)
M10 (3/8”)
Fastening torque
Fastening time
Proper fastening torque
High tensile bolt
002366