How to balance, 8) 4-thread safety stitch correct balance – SINGER 14T967DC QUANTUMLOCK User Manual

Page 48

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Tension is automatically set when seiecting the
desired stitch type with the Auto Tension Dial (ATD).
Tension may be fine tuned with the Fine Tuning Levers
according to the following variables
1) Type and thickness of fabric
2) Needle size
3) Size, type and fibre content of thread

:

47

How to Balance

Set auto tension dial to I shown at right and test
sew on a sample of your fabric.

8) 4-thread Safety Stitch

Correct Balance

When the lower looper thread appears on the top of
the fabric;
-Move the lower looper thread tension

lever

(red) to

fine tuning

a higher position.

- Or,

the upper looper thread tension

(green)

move

fine tuning

lever

toward a lower position.

When the right needle thread is too loose;
-

the right needle thread tension

(blue)

Move

fine tuning lever

toward a higher position.

When the chain stitch needle thread tension is too loose;
-

the chain stitch needle thread tension

Move

fine tuning

lever

position

(orange) toward a higher

.

- Or,

the chain stitch looper thread tension

move

fine tuning

lever

position

(brown) toward a lower

.

Overedge Needle thread

Chain stitch Needle thread

Lower looper thread

Topside

Chain stitch looper thread

Underside

Overedge Needle thread

Chain stitch Needle thread

Lower looper thread

Topside

Chain stitch looper thread

Underside

Overedge Needle thread

Chain stitch Needle thread

Lower looper thread

Topside

Chain stitch looper thread

Underside

NEEDLE POSITION

SEAM WIDTH FINGER KNOB

N

STITCH LENGTH

2~4

SPREADER

USE

Fabric

Tension Dial

Orange

Spreader

Blue

Green

Red

Brown

Medium weight

Overedge Needle thread

Chain stitch Needle thread

Lower looper thread

Topside

Chain stitch looper thread

Underside

ATD:I

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