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28
Triple Cover Stitch
The triple cover stitch is sewn with all three needles and
four threads.
This stitch forms three parallel rows of the straight stitch
on the right side, ideal for hemming, attaching elastics,
decorative stitches, etc.
q
Left needle
w
Center needle
e
Right needle
Balancing the thread tension
z
Set the tension dials as follows:
q
Left needle thread tension dial:
4
w
Center needle thread tension dial:
4
e
Right needle thread tension dial:
4
r
Top cover stitch thread tension dial:
-
t
Looper thread tension dial:
4
x
Check the tension balance by test stitching on the
same fabric and threads as actual garments.
Fine-tune the tension as necessary.
Adjusting the needle thread tension
(A) If the needle thread tension is too loose:
Tighten the needle thread tension, and/or loosen the
looper thread tension to correct it.
(B) If the needle thread tension is too tight:
Loosen the needle thread tension, and/or tighten the
looper thread tension to correct it.
Balanced tension
The rows of stitches on the right side of the fabric are
straight and even. The looper thread forms the dual rows
of squares with diagonals.
q
Wrong side of the fabric
w
Looper thread
e
Left needle thread
r
Center needle thread
t
Right needle thread
y
Right side of the fabric
4
4
4
4
q w e r
t
z x
(A)
(B)
q
w
t
e
y
r
(A)
(B)
Adjusting the looper thread tension
(A) If the looper thread tension is too loose:
Tighten the looper thread tension, and/or loosen the
needle thread
t
ension to correct it.
(B) If the looper thread tension is too tight:
Loosen the looper thread tension, and/or tighten the
needle thread tension to correct it.
Sewing direction
e
w
q
Содержание CoverPro 3000
Страница 2: ...Instruction Book...
Страница 25: ...22 Threading the Top Cover Stitch Guides and Spreader...
Страница 48: ......
Страница 49: ...778 800 055 EN...