Siruba C007KD Instruction Book

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2. After manual adjusting the rotary knob® ,
the moving distance
of current feed teen
can be known
by the indicated number on
the
scale plate@ .
3. Turning knob® clockwise can lengthen
the stitch length, turning it
counterclockwise can shorten the stitch
length.
4. The adjusted stitch length can affect the
differential ratio, so the differential ration
should be adjusted after adjusting the
stitch ~ l ength.
ADJUSTING DIFFERENTIAL RATIO
The differential ratio = rear feed dog stroke:
front feed dog stroke
1. The differential ratio can be adjusted from
1:1 to 1 :7.6.
2. Adjust the rotary knob® by hand to
adjust the front feed dog stroke. The
adjustable range is 1 mm~ 7.6mm. (Fig.28)
3. After manual adjusting the rotary knob® ,
the feed dog stroke can be known by the
indicated number on the scale plate@ .
4. Turning the knob® clockwise when
sewing the elastic fabric.
5. Turning the knob® counterclockwise
when sewing the shrink fabric.
From the library of: Superior Sewing Machine & Supply LLC

Siruba C007KD Specifications

General

Brand	Siruba
Model	C007KD
Category	Sewing Machine
Language	English