Gritzner 1002 - Adjustment of the Feed Dog Standstill Point in a Buttonhole Bartack

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19. Adjustment of the feed dog standstill point in a buttonhole bartack
Requirement:
The bartack must be sewn on the spot with no feeding motion.
Check:
● Set the control knob to the “bartack” symbol No. 2 (fig. 19).
● Set stitch length to “4” (fig. 19b).
● Place a piece of fabric under the buttonhole foot.
● Operate the machine and check the feed standstill function.
Adjustment:
● Loosen upper nut 64 with a 5.5 mm socket wrench (fig. 19a).
● If the fabric is fed forward in direction “A”, (fig. 19a) bottom nut 55 must be turned slightly
in direction “A”.
● If the fabric is fed backward in direction “B”, bottom nut 55 must be turned slightly in direction “B”.
● If the fabric is not fed at all, tighten upper nut 64 without turning bottom nut 55.
Test:
● Operate the machine and check the feed standstill function again.