30
Balancing the thread tension
z
Set the tension dials as follows:
【
1
】
For narrow 3 mm (left)
q
Left needle thread tension dial:
4
w
Center needle thread tension dial:
4
e
Right needle thread tension dial:
-
r
Top cover stitch thread tension dial:
-
t
Looper thread tension dial:
4
【
2
】
For narrow 3 mm (right)
q
Left needle thread tension dial:
-
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
【
3
】
For Wide 6 mm
q
Left needle thread tension dial:
4
w
Center needle thread tension dial:
-
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 garment.
Fine-tune the tension as necessary.
Balanced tension
The rows of stitches on the right side of the fabric are
straight and even. The looper thread forms a row of
squares with diagonals.
q
Wrong side of the fabric
w
Looper thread
e
Left needle thread
r
Right needle thread
t
Right side of the fabric
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.
q
w
r
e
4
4
4
q w e r
t
【
1
】
【
2
】
【
3
】
t
q w e r
t
q w e r
t
4
4
4
4
4
4
z x
(A)
(B)
(A)
(B)
Sewing direction
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.
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...