Hitachi C 10FCH Technical Data And Service Manual page 45

Item
Phenomenon
6 Laser marker does not
light.
(Only Model C 10FCH)
Laser light is poor or
7
strong.
(Only Model C 10FCH)
Laser line does not
8
match the ink line.
(Only Model C 10FCH)
Laser emitting
aperture
Squareness
Laser beam
0.2/100
Fig. 54
Laser emitting
aperture
Fence (B)
Fence (A)
Squareness
Squareness
0.2/100
0.2/100
Laser beam
Fig. 55
Laser line does not
9
match the cutting
position.
(Only Model C 10FCH)
Cause
a Improper wiring
b Switch (A) failure
c Switching power
supply failure
d Laser module ass'y
failure
a Switching power
supply failure
b Laser module ass'y
failure
a Iink line is not right
angle.
b Laser marker accuracy
is not adjusted
properly.
c Product accuracy is
not good.
a Laser marker is
horizontally deviated
from the saw blade.
b Laser marker accuracy
is not adjusted
properly.
--- 41 ---
Factory
standard
------ • Check the wiring.
------ • Check Switch (A) [145] for
conductivity.
• Replace Switch (A) [145].
------ • Check the Switching Power
Supply [142] for conductivity,
input and output referring to
"11-4. Wiring Diagram".
• Replace the Switching Power
Supply [142].
------ • Replace the Laser Module
Ass'y [11].
------ • Same as item 8-(c).
------ • Same as item 8-(d).
------ • Make a correct ink line again.
0.2/100 • Readjust the accuracy of the
(Figs. 54 and 55) laser marker. (Refer to "11-9.
Adjustment of Laser Marker
Accuracy".)
• Readjust the accuracy of the
product and the laser marker.
------ • Adjust the position of the laser
line. (Refer to "8-1. Position
Adjustement of Laser Line".)
------ • Same as item 10-(b).
Inspection, repair or
adjustment