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Precautions Requiring Particular Attention During Sales Promotion - Hitachi C 8FSE Technical Data And Service Manual

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CAUTION: (1) Be sure to disconnect the power cord plug from the receptacle before removing the
laser marker for repair. If it is unavoidable to check the operation of the removed
laser marker with the power turned on, face the laser emitting aperture to the ground
to show the laser line on the ground.
(2) Laser radiation when open. DO NOT STARE INTO BEAM OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS.
The life span of the laser marker in the Model C 8FSHE is about 3,600 hours. (About 3 years: 5 hours of
use/day x 240 days/year)

2. Precautions requiring particular attention during sales promotion

A. Ambient illuminance and visibility of laser line (only the Model C 8FSHE)
The visibility of the laser line on the workpiece changes depending on the brightness of the working
environment. Instruct the customer to consider the brightness of the working environment when using the
laser marker referring to the following table.
Table 7 Ambient illuminance and visibility of laser line
Illuminance (lux)
3000 or more
Under direct
Outdoor
sunlight of fine
Ambient
conditions
(reference)
Indoor
Laser line
(The working environment where the illuminance is 200 luxes or less is dark and difficult to operate the
Model C 8FSHE.)
The laser line is invisible under direct sunlight of fine weather. Prepare a shaded area or relocate to a
shaded area to operate the Model C 8FSHE.
When a laser line is dazzling, please light up the laser line with a LED light. You can watch a laser line if you
do so.
B. Precautions concerning brake
The Models C 8FSE and C 8FSHE are equipped with a "brake" that stops running when the switch is
turned off. Normally the operation is stopped in 5 - 6 seconds when the switch is turned off. If it takes 10
seconds or more to stop, absolutely avoid further use of this machine. In this event, ensure that your
customers bring this machine in their local Hitachi power tools dealer or Hitachi power tools center for
servicing.
(1) Be sure to use the carbon brushes dedicated to the Models C 8FSE and C 8FSHE (110 V to 120 V:
Code No. 999021, 220 V to 240 V: Code No. 999001). Use of other carbon brushes will adversely affect
the brake performance.
(2) If the brake should fail to work, check the carbon brushes. Replace the carbon brushes with new ones if
their length is shorter than 6 mm. If the brake still does not work, replace the armature ass'y.
3000 or more
Shaded area
in fine weather
weather
Near the
-
window under
fine weather
Invisible
Visible
3000 - 2500
800 - 600
Shaded area
Cloudy
in cloudy
weather
weather
Near the
window
Indoor under
under
fine weather
cloudy
weather
Visible
Visible
-15-
300 - 200
150 - 80
Just before
the sunset in
-
cloudy
weather
Near the
window
Indoor under
under cloudy
cloudy
weather, just
weather
before the
sunset
Visible
Glaring
30 or less
Ink line is
invisible.
Glaring

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This manual is also suitable for:

C 8fsheC 8fshe