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CONTROL CIRCUIT UNIT
NOTE: The sections enclosed by the broken line indicate where high voltage is applied. Handle these sections with
great care.
CAUTION:
1. In setting down the machine head or touching the needle, be sure to turn off the power switch and confirm the pilot
lamp "OFF".
2. Ground codes are provided for both single-phase and three-phase types. Do not fail to ground. (A ground code is not
Do not fail to ground. (A ground code is not provided for single-phase 110V type, however, ground the motor frame
if necessary.)
3. In adjusting the volume in the controi box, be sure to turn off the power switch, remove the front cover and confirm
the pilot lamp "OFF".
* It is dangerous to handle the control box inside because high voltage is applied. Handle with great care.
4. Keep away from such machines which make strong noise as high frequency welder for usage.
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