DURKOPP ADLER 669 ECO Operating Instructions Manual page 96

94
To check the rotational direction of the clutch motor:
1. Connect the clutch motor.
2. Establish equipotential bonding ( p. 90).
3. Connect the sewing drive to the mains supply
4. Switch on the machine.
5. Press the pedal or the motor's clutch lever until the belt pulley
starts to turn.
 The handwheel must rotate in the direction of the arrow.
Changing the rotational direction of the clutch motor
If the sewing drive is turning in the false direction, then you must
swap two phases at the mains terminals for the sewing drive.
To change the rotational direction of the clutch motor:
1. Switch off the machine.
2. Unplug the main plug.
3. Swap the positions of two of the three phase wires at the
sewing drive's mains connection
4. Plug in the mains plug.
5. Switch on the machine.
6. Re-check the rotational direction ( p. 93).
Operating Instructions 669 - 00.0 - 08/2019
Setup