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,e tension for each of the thread tension dials should be
.fferent according to the pattern stitches as in the chart
'Dove.
3ince the figures in the chart are for average strength of
nread tension, it may be necessar y to adjust the thread
.ension slightly.
rhread tensions will differ according to the kind of fabric
.mnd the thread.
The differential feed ratio is normally 'N". (See P16)
THREAD
Left Needle Right Needle
Upper
Lower
TENSiON
Looper
Loope
'j3l
'f3l
I
3
STITCH
CUTTING STITCH
PTT;:NN
LENGTH WIDTH
FINGER
STITCHES
..
NORMAL
OVERLOOK
4
4
4
4
2.5-5 mm
5-6 mm
:
POSITION
PULL
LEVER
ROLLED EDGE
—
4
4
8
1-1.5 mm
5-6 mm
TOWARD
YOU
PULL
LEVER
NARROW EDGE
—
4
4
4
1-1.5 mm
5-6 mm
TOWARD
YOU
—12--
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