Function Of The Main Thread Tension And The Supplementary Thread Tension In Relation To The Sewing Foot Lifting For Subclass - Dürkopp Adler 869 Operating Instructions Manual

6.2.1 Function of the main thread tension and the supplementary thread tension in relation to the sewing
foot lifting for subclass 869- ...
Fig. A
Fig. B
Fig. C
The thread supplementary tension can, at any time, be switched on or
off by actuating key 1 (see chapter 6.15) of the key pad. The
parameter F-299 must be set on "1" for this to work.
Sewing foot lifting
during seam
Parameter Thread-
Setting main- supplement.-
tension
F-196=0 0
F-196=1 1
F-196=2 0
F-196=3 1
1 = Thread tension opened mechanically
0 = Thread tension closed mechanically
·
If the supplementary thread tensioner is open, this condition will
be maintained when lifting the sewing foot.
·
When switching the machine off, the last setting of the
supplementary thread tensioner will be maintained through the
mains connection.
Correct thread interlacing in the center of the
material
Needle-thread tension too weak
or
Hook-thread tension too strong
Needle-thread tension too strong
or
Hook-thread tension too weak
Sewing foot lifting
thread trimming
Thread- Thread-
main
tension tension
0 0
1 0
0 1
1 1
after
GB
Thread-
supplement.
tension
0
0
1
1
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