Duerkopp Adler 550-767 Installation Instructions Manual - Page 11
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3. Electrical connection
3.1 Nominal voltage
3.2 Checking the direction of rotation
CAUTION:
All work on the electrical equipment of the sewing unit may only be
carried out by qualified electricians or other appropriately trained
persons.
The mains plug must be removed.
CAUTION:
The nominal voltage given on the machine identification plate must
correspond to the mains voltage where it is to be operated.
CAUTION:
Before operating the sewing unit it is essential to check the direction of
rotation of the motor.
Switching it on can cause damage if the direction of rotation is
incorrect.
The belt pulley must rotate in the direction of the arrow.
–
The direction of rotation is set on the operating panel.
If the direction of rotation is incorrect, the setting must be corrected
on the operating panel.
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