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Hitachi C12LCH Manual

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16
English
(2) The screw holder can be raised or lowered according
to the height of the workpiece by loosening the 6 mm
wing bolt (B). After the adjustment, firmly tighten the
6 mm wing bolt (B) and fix the screw holder.
(3) Turn the upper knob and securely fix the workpiece
in position.
WARNING
⅜ Always firmly clamp or vise to secure the workpiece
to the fence; otherwise the workpiece might be thrust
from the table and cause bodily harm.
CAUTION
⅜ Always confirm that the motor head does not contact
the vise assembly when it is lowered for cutting. If
there is any danger that it may do so, loosen the 6
mm wing bolt and move the vise assembly to a
position where it will not contact the saw blade.
5. Confirmation for use of sub fence (Fig. 11)
This power tool is equipped with a sub fence. In the
case of direct angle cutting use the sub fence. Then,
you can realize stable cutting of the material with a
wide back face. In the case of left bavel cutting, raise
the sub fence up as illustrated in Fig. 11 and then turn
it counterclockwise.
WARNING
⅜ In the case of left bevel cutting, turn the sub fence
counterclockwise (Fig. 8). Unless it is turned
counterclockwise, the main body or saw blade may
contact the sub fence, resulting in an injury.
6. Using an ink line
Upon lowering the motor section, the lower guard is
raised and the saw blade appears.
Align the ink line with the saw blade.
CAUTION
Never lift the lower guard while the saw blade is
rotating.
The sub fence will not only make contact and
adversely affect cutting accuracy, this could also result
in damage to the guard.
7. Position adjustment of laser line (Only Model
C12LCH/C12FCH)
Ink lining can be easily made on this tool to the laser
marker. A switch lights up the laser marker (Fig. 12).
Turning on the laser marker switch while the digital
display switch is on, light up the laser marker. (On
the C12FCH, only the laser marker switch.)
Depending upon your cutting choice, the laser line
can be aligned with the left side of the cutting width
(saw blade) or the ink line on the right side.
The laser line is adjusted to the width of the saw blade
at the time of factory shipment. Adjust the positions
of the saw blade and the laser line taking the following
steps to suit the use of your choice.
(1) Light up the laser marker and make a groove of about 5
mm deep on the workpiece that is about 38 mm in height
and 89 mm in width. Hold the grooved workpiece by vise
as it is and do not move it.
(2) Then insert a 4 mm hex. bar wrench in the 12 diameter
hole on the side of the gear case, turn the hex. socket
set screw to move the laser line. (If you turn the Hex.
socket screw clockwise, the laser line will shift to the
right and if you turn it counterclockwise, the laser line
will shift to the left.) When you work with the ink line
aligned with the left side of the saw blade, align the
laser line with the left end of the groove (Fig. 13). When
you align it with the right side of the saw blade, align
the laser line with the right side of the groove.
(3) After adjusting the position of the laser line, draw a
right-angle ink line on the workpiece and align the
ink line with the laser line. When aligning the ink line,
slide the workpiece little by little and secure it by vise
at a position where the laser line overlaps with the
ink line. Work on the grooving again and check the
position of the laser line. If you wish to change the
laser line’s position, make adjustments again
following the steps from (1) to (3).
WARNING (Fig. 15 and Fig. 16)
⅜ Make sure before plugging the power plug into the
receptacle that the main body and the laser marker
are turned off.
⅜ Exercise utmost caution in handling a switch trigger
for the position adjustment of the laser line, as the
power plug is plugged into the receptacle during
operation.
If the switch trigger is pulled inadvertently, the saw
blade can rotate and result in unexpected accidents.
⅜ Do not remove the laser marker to be used for other
purposes.
CAUTION
⅜ Laser radiation - Do not stare into beam.
⅜ Laser radiation on work table. Do not stare into beam.
If your eye is exposed directly to the laser beam, it
can be hurt.
⅜ Do not dismantle it.
⅜ Do not give strong impact to the laser marker (main
body of tool); otherwise, the position of a laser line
can go out of order, resulting in the damage of the
laser marker as well as a shortened service life.
⅜ Keep the laser marker lit only during a cutting
operation. Prolonged lighting of the laser marker can
result in a shortened service life.
⅜ Use of controls or adjustments or performance of
procedures other than those specified herein may
result in hazardous radiation exposure.
NOTE
⅜ Perform cutting by overlapping the ink line with the
laser line.
⅜ When the ink line and the laser line are overlapped,
the strength and weakness of light will change,
resulting in a stable cutting operation because you
can easily discern the conformity of lines. This ensures
the minimum cutting errors.
⅜ In outdoor or near-the-window operations, it may
become difficult to observe the laser line due to the
sunlight. Under such circumstances, move to a place
that is not directly under the sunlight and engage in
the operation.
⅜ Do not tug on the cord behind the motor head or hook
your finger, wood and the like around it; otherwise,
the cord may come off and the laser marker may not
be lit up.
⅜ Check and make sure on a periodic basis if the position
of the laser line is in order. As regards the checking
method, draw a right-angle ink line on the workpiece
with the height of about 38 mm and the width of 89
mm, and check that the laser line is in line with the
ink line [The deviation between the ink line and the
laser line should be less than the ink line width (0.5
mm)] (Fig. 14).
8. Digital display panel (for C12LCH and C12LC) (Fig. 17
and Fig. 18)
(1) Turning on the digital display switch shows 0° for both
miter and bevel angle, regardless of main unit angle.
01Eng_C12LCH_WE 3/11/09, 18:4916
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