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q
w
q
w
4
4
q
w
(A)
e
3
e
r
(B)
STITCH TYPES
Cover Stitch
This stitch forms 5 mm wide two parallel rows of the
straight stitch on the right side, widely used on cuffs and
stretch welts of T-shirts etc.
q Left needle
w Right needle
Type of Fabric
Fine knits
Light to
Fine Jersey
medium weight
Jersey
Heavyweight
Fleece
NOTE: The machine is installed with the #80/12 needles.
Balancing the thread tension
z Set the tension dials as follows:
q Left needle thread tension dial:
w Right needle thread tension dial:
e Looper thread tension dial:
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
(A) If the needle thread tension is too loose:
– The stitches on the right side are irregular and loose.
– There is a gap between head and tail of the looper
thread crossing points.
Tighten the needle thread tension, and/or loosen the
looper thread tension to correct it.
(B) If the needle thread tension is too tight:
– The fabric puckers.
Loosen the needle thread tension, and/or tighten the
looper thread tension to correct it.
28
Needle Size Type of Thread
80/12 or
#60-90 Spun
90/14
90/14
#60 Spun
4
4
3
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