4-Thread Ultra Stretch Mock Safety Stitch - Singer HD0400S Instructions

6) 4-thread Ultra Stretch Mock Safety Stitch

Note: * These are suggested tension settings only.
* Tension settings are effected by;
1) Type and thickness of fabric
2) Needle size
3) Size, type and fiber content of thread
Correct Balance
Set each tension dial to settings shown at right
and test sew on a sample of your fabric
How to Balance
When the upper looper thread lies on the underside
of the fabric;
- Turn the upper looper thread tension dial
(orange) to a higher number.
- Or, turn lower looper thread tension dial (yellow)
to a lower number
When the lower looper thread appears on the top
of the fabric;
- Turn lower looper thread tension dial (yellow)
toward a higher number
- Or, turn the upper looper thread tension dial
(orange) toward a lower number.
When the left needle thread tension is too loose;
- Turn the left needle thread tension dial (blue)
toward a higher number.
When the right needle thread tension is too loose;
- Turn the right needle thread tension dial (green)
toward a higher number.
36
NEEDLE POSITION
SEAM WIDTH FINGER KNOB
STITCH LENGTH
Upper looper thread
Right
needle
Left
thread
needle
thread
Topside
Fabric
Blue
Light weight
2.5
Medium weight
3.0
Heavy weight
3.5
Upper looper thread
Right
needle
Left
thread
needle
thread
Topside
Upper looper thread
Right
needle
Left
thread
needle
thread
Topside
Upper looper thread
Right
needle
Left
thread
needle
thread
Topside
Upper looper thread
Right
needle
Left
thread
needle
thread
Topside
S
2 - 4
Lower
looper
thread
Underside
(514)
Tension Dial
Green Orange Yellow
2.5 3.0 3.0
3.0 3.0 3.0
3.0 3.0
3.5
Lower
looper
thread
Underside
Lower
looper
thread
Underside
Lower
looper
thread
Underside
Lower
looper
thread
Underside