UnionSpecial 307, Instructions And Illustrated Parts List

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617 (EST/RIV/STVD) Function of external key B,C 0
(input E3)
I single stitch (EST)
II backtack/stitch condensation inverted (RI
V)
618 (RDR) Inverse rotation after seam end B,C 0
I yes
II no
619 (SN/ANLSP/STOP) Control of thread trimming B,C 0
(safety switch no run)
I yes
II no
620 (FW) Thread monitor function B,C 0
I yes
II no
623 (RDR/VERZ) Delay in start-up time (ms) for B,C 0 - 2550 10
inverse rotation
633 (SN/PF) Trimming and presser foot B,C 0
I with treadle „-2“ only (<602> = II)
II corresponding to <602>
640 (LS/START) Start possible by obscuring the B,C 0
photo- cell (if existing, note parameter 113!)
I yes
II no
641 (LS/START/VERZ) Delay before start (ms) B,C 0 - 2550 150
after photocell (at <640> = I)
651 (PF) Presser foot with automatic descent on B,C 0
machine stop
I yes
II no
653 (PEIPO) Target stitch before sewing B,C 0
I yes
II no
668 (BLA/WI) Thread wiper/thread clearer B,C 0
I yes
II no
(00010101)
675 (NAPO) Automatic needle change-over into B,C 0
position@2 (up) after enabling
I yes
II no
676 (DRZ) Speed adjustment via potentiometer B,C 0
possible
I yes
II no
700 (NAPO) Needle position 0 B,C 0 - 239 0
(reference position of the needle)
701 (NAPO) Angular adjustment B,C 0
I with handwheel (teach-in)
II by keys (+/-)
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