−10 −
Standard Adjustment
5 mm
(9) Longitudinal position of the presser and the feed shaft
™ Distance from the center of the needle hole in the throat plate to the end face of the presser is 2.5 ± 0.3
mm (when the feed origin is detected).
™ When the feed origin is detected, the distance from the top end of the feed shaft to the end face of the
feed shaft bushing is 5 mm.
(10) Knife drop position
Knife should drop in the center of the knife drop groove in the throat plate.
Knife drop groove
Feed shaft
Feed shaft bushing
Setscrews
Sensor installing
plate setscrews
Sensor installing
plate
Feed base
Throat plate
2.5 ± 0.3 mm
(2.2 to 2.8 mm)
Presser
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