How to sew five-thread safety stitch – SINGER 14U285B User Manual
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The 5-thread safety stitch is sewn with two needles, two loopers and three loopers.
( 1 ) Thread right looper (orange path) (see page 19)
(2 ) Thread left looper (yellow path) (see page 15)
( 3 ) Thread chainstitch looper (purple path) (see page 12)
(4 ) Thread right overedge needle (green path)
( 5 ) Thread chainstitch needle (blue path)
( 6 ) Correct thread tensions for 5-thread safey stitch
12. How to sew five-thread safety stitch
o
(see page 16)
(see page 12)
Right looper thread
Left looper
thread
Overedge
needle thread
Chainstitch
needle thread
Topside
S i i i
Chainstitch
looper
thread
Underside
Be sure the threads are correctly threaded otherwise
proper tension cannot be obtained.
Set each tension dial to settings shown below and test sew on a sample of your fabric.
Fabric
Tension Dial
Blue
Green
Orange
Yellow Purple
Light weight
2.5
2.0
1.5
1.5
1.0
Medium weight
3.5
2.5
2.0
2.0
1.5
Heavy weight
6,0
4.0
4.0
1.5
1.5
Right hand
Left
Chainstitch needle thread tension dial (blue)
Overedge Right needle thread tension dial (green)
looper thread tension dial (orange)
hand looper thread tension dial (yellow)
jChainstitch looper thread tension
(
m
;//
I
/ r - /
dial (purple)
Adjust thread tensions to suit your fabric making reference to table below.
When right looper thread lies on the underside of
fabric.
Overedge needle
^
thread
Left looper thread
J
¿W/ \
Right looper thread
— ' '
Topside
^
Underside
Turn right looper thread tension dial (orange)
toward the (+) mark.
Or, turn left looper thread tension dial (yellow)
toward the (—) mark.
When left looper thread appears on the top.
-Left looper thread
Rightlooper thread
Overedge needle thread
Topside
J j f
Underside
Turn left looper thread tension dial (yellow)
toward the (+) mark.
Or, turn right looper thread tension dial (orange)
toward the (—) mark.
When overedge needle thread is too loose.
When chainstitch needle thread is too loose.
Right looper thread
Left looper thread
Topside
Overedge needle
thread
Chainstitch
needle thread
Chainstitch
looper thread
Underside
Turn overedge needle thread tension dial (green)
toward the (+) mark.
Topside
Underside
Turn chainstitch needle thread tension dial (blue)
toward the (+) mark.
Or, turn chainstitch looper thread tension dial
(purple) toward the (—) mark.
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