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4.4 Checking the Direction of Turn of the Motor
12
ATTENTION !
Before commissioning of the sewing unit it is essential that the
direction of turn of the motor be checked.
Turning the machine on with an incorrect direction of turn can lead to
damage to the sewing unit.
The direction of turn of the ventilator wheel on the sewing drive must
agree with the direction of turn shown in the illustration (clockwise).
–
Insert the mains plug.
–
By briefly turning on the main switch check the direction of turn of
the ventilator wheel.
–
With an incorrect direction of turn check if the voltage supply
creates a right-hand rotary field.
If this is the case two phases in the mains plug must be
interchanged.
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