DURKOPP ADLER 669 ECO - Function of the Main Thread Tension and the Additional Thread Tension Depending on the Sewing Foot Lift (Optional)

Operation
Operating Instructions 669 - 00.0 - 08/2019 29
4.6.2 Function of the main thread tension and the
additional thread tension depending on the
sewing foot lift (optional)
This option applies to the subclass 669-180312.
Button on the machine’s row of buttons can be used to activate
or deactivate the supplementary thread tension at any time. The
parameter F-299 must be set to 1 for this to work. .
If the supplementary thread tensioner is open, the state of the
sewing-foot lift does not change
If the machine is turned off, the supplementary thread tension
remains at its previously set state.
Sewing-foot lift in the seam
Sewing-foot lift lift after
the thread has been cut
Parameter
setting
Main thread
tension
Supplemen-
tary thread
tension
Main thread
tension
Supplemen-
tary thread
tension
F-196 = 0 0 0 0 0
F-196 = 1 1 1 0 0
F-196 = 2 0 0 1 1
F-196 = 3 1 1 1 1
1 = Thread tension opened mechanicall
0 = Thread tension closed mechanically