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Stitch and Thread Tension Chart
Standard to Heavy fabrics
When sewing standard to heavy fabrics, turn the fine mode switching lever to STD. and adjust the thread tension dials
referring to the chart below. Use Schmetz EL X 705 80/12 or 90/14 needles and #90 to #60 spun threads. For top
cover stitch, #30 and #8 spun thread can also be used (refer to pages 9, 12 - 18, 22 - 31).
Type of stitch
Triple top cover
stitch
Top
cover
Narrow 3 mm (Right)
stitch
Wide 6 mm
Triple cover stitch
Narrow 3 mm (Left)
Cover
stitch
Narrow 3 mm (Right)
Wide 6 mm
Left needle
Chain
Center needle
stitch
Right needle
* When having trouble in feeding fabrics, turn the dial to larger number to have longer stitch length and support sewing
by hands.
* When sewing heavy fabrics, it will cause skipped stitches, damage of needles or breakage of threads.
* Numbers in this chart are approximate figures. Please adjust dials for your preference.
z x c
q
Needle
Thread
Left
number
number
needle
thread
3-6
zxc
5
xc
4
–
3-6
z c
4
3-6
zxc
4
3-6
zx
xc
–
3
3-6
z c
3-6
z
x
2
–
c
–
q w e r
Thread tension dials
w
e
r
Center
Right
Top
needle
needle
cover
thread
thread
thread
3-6
3-6
1-5
3-6
3-6
2-6
3-6
1-5
–
3-6
3-6
–
3-6
–
–
3-6
3-6
–
3-6
–
–
–
–
–
3-6
–
–
3-6
–
–
32
t
y
y
Fine mode
t
switching
Looper
lever
thread
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
2-5
STD.
Stitch
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