Remove cover and slacken screw A.
The adjustment eccentric B can now be adjusted to the required stitch length by
turning it using the holes.
A zero mark is provided on the eccentric head C. This serves as a reference point.
The number appearing opposite the zero mark is the stitch length in millimetres.
Higher number – longer stitch length, lower number = shorter stitch length.
When changing the stitch length, bear in mind that the feed dog changes too, and on
class 220, the plunger (rib shaft) also changes. So you must recheck the feed dog
setting, see page 30 of the operating instructions.
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