SINGER 14U285B - Manual (Page 26)

The 4-thread ultra-stretch is sewn with two needles, one looper and a spreader.
( 1 ) Thread right looper (orange path) (see page 19)
( 2 ) Thread left looper (yellow) (see page 15)
( 3 ) Thread right overedge needle (green path) |
(4 ) Thread left overedge needle (blue path) j ’ (see page 16)
( 5 ) Correct thread tensions for 4-thread ultra-stretch
10. How to sew four-thread ultra-stretch mock safety stitch
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.
Overedge Left needle thread tension dial (blue)
Overedge Right needle thread tension dial (green)
Fabric
Tension Dial
Light weight
Medium weight
Heavy weight
Blue Green Orange Yellow i Purple i
3.0 1.0 1.5 1.5 i
3.5 2.5 2.0 2.0 '
5.5 3.0 3.5 2.0 !
Right hand looper thread tension dial (orange)
Left hand looper thread tension dial
(yellow)
Adjust thread tensions to suit your fabric making reference to table below. Make adjustments in
increments of no greater than half a number at a time.
When right looper thread lies on the underside
of fabric. .Right looper thread
Right needle
thread
Left looper
thread
Topside Underside
Turn right looper thread tension dial (orange)
toward the (+) mark.
Or, turn left looper thread
(yellow) toward the (—) mark.
tension dial
When left looper thread appears on the top.
Rightlooper thread
Leftlooper Right needle
th read
Topside
Trun left looper thread tension dial (yellow)
toward the (+) mark.
Or, turn right looper thread tension dial
(orange) toward the (—) mark.
When left needle thread tension is too loose.
Right needle
thread
Left needle
thread
Topside
Rightlooper
thread
When right needle thread tension is too loose.
Rightlooper thread
Right needle
thread
Turn left needle thread
toward the (+) mark.
Left looper
thread
Underside
tension dial (blue)
Left needle
thread
Topside
Left looper
th read
Underside
Turn right needle thread tension dial (green)
toward the (+) mark.
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