AAASewing.com
15
4
4
2
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
w
Balancing the thread tension
1 Set the tension dials as follows:
q
Left needle thread tension dial:
4
w
Right needle thread tension dial:
4
e
Looper thread tension dial:
2
2 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.
q
w
q
w
r
e
(A)
(B)
Light to
medium weight
Heavyweight
Fine knits
Fine Jersey
Jersey
Fleece
80/12 or
90/14
90/14
#60-90 Spun
#60 Spun
Type of Fabric
Needle Size Type of Thread
NOTE: The machine is installed with the #80/12 needles.
Janome 900CPX Instruction Manual
www.aaasewing.com
900cpx Owners Manual/ User Guide
