Thread Monitor For Needle And Bobbin Thread; Build-On Stacker By Primary Seams - Duerkopp Adler 744-122 Operating Instructions Manual

2.6 Thread monitor for needle and bob-
bin thread
The threads are monitored by proximity switches.
The needle thread by the b15 switch in conjunction
with the metal eye on the arm head.
The metal eye and switch b14 for the bobbin thread
are immediately in front of the hook.
By needle thread breakage the display shows -X-
By bobbin thread breakage the display shows -XX-
The sewing unit cannot be re-started.
When threading:
b15
Turn main switch off!
- Risk of Injury -
b14
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2.7 Build-on stacker by primary seams

In order that the pieces sewn can be stacked
centered on the stacker 1 according to their length,
a clamp-on moment in advance of the pull-out
moment can be selected.
(For this the b417.5 selector switch on the back of
the control unit front panel must be in the "open"
position.)
To choosing the clamp-on moment see the
operating card 744-122.
The stacker can be opened pneumatically via
pedal for removing the stacked pieces sewn.
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