8
OPERATION 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. Start the tool slowly and
then increase the speed gradually. Release the switch trig-
ger just as the screw bottoms out.
The proper fastening torque differs depending upon the kind
or size of the screw/bolt, the material of the workpiece to be
fastened, etc. Refer to the figure for the relation between fas-
tening time and wood screw size. (Material to be fastened:
Lauan)
NOTE:
•Use the proper bit for the head of the screw/bolt that you
wish to use.
•When fastening tool screws in a steel plate, the proper
fastening torque can be obtained in an extremely short
time (approx. 0.1 - 0.2 seconds). Turn the tool off as
soon as the impact sound is heard.
•Hold the tool pointed straight at the screw or the screw
and/or bit may be damaged.
•When driving wood screws, predrill pilot holes to make
driving easier and to prevent splitting of the workpiece.
The pilot holes should be slightly smaller than the wood
screws in diameter.
•The size of wood screw which can be fastened with this
tool may differ depending upon the type of material to be
fastened. Always perform a test operation to determine
the size of wood screw.
•When fastening bolts or nuts, always perform a test
operation to verify the adequate fastening time for your
bolt or nut. Excessive fastening torque may damage the
bolt/nut or socket bit.
0
2
4
6
8
10
12
Fastening time
(S)
Screw size
4.2
X65 5.0
X90 4.9
X125 5.7
X150
mm
004356