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After inserting the bit, make sure that it is firmly
•
secured. If it comes out, do not use it.
Hook
1
012787
The hook is convenient for temporarily hanging the tool.
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
012788
CAUTION:
Do not cover vents, or it may cause overheating
•
and damage to the tool.
012912
The proper fastening torque may differ depending upon
the kind or size of the screw/bolt, the material of the
workpiece to be fastened, etc. The relation between
fastening torque and fastening time is shown in the
figures.
1. Groove
2. Hook
3. Screw
2
3
1. Vent
1
Standard bolt
N m
(kgf cm)
120
(1224)
100
(1020)
80
(816)
60
(612)
M10
40
(408)
M8
20
(204)
0
1.0
2.0
Fastening time (S)
006255
High tensile bolt
N m
(kgf cm)
120
M12
(1224)
100
(1020)
80
(816)
60
(612)
M8
40
(408)
20
(204)
0
1.0
Fastening time (S)
006257
Hold the tool firmly and place the point of the driver bit in
the screw head. Apply forward pressure to the tool to the
extent that the bit will not slip off the screw and turn the
tool on to start operation.
NOTE:
Use the proper bit for the head of the screw/bolt
•
that you wish to use.
When fastening M8 or smaller screw, choose a
•
proper impact force and carefully adjust pressure
on the switch trigger so that the screw is not
damaged.
Hold the tool pointed straight at the screw.
•
If the impact force is too strong you tighten the
•
screw for a time longer than shown in the figures,
the screw or the point of the driver bit may be
overstressed, stripped, damaged, etc. Before
starting your job, always perform a test operation to
determine the proper fastening time for your screw.
7
M14
M12
(M14)
(M12)
(M10)
(M8)
3.0
(M12)
M10
(M10)
(M8)
2.0
3.0
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