SINGER 14T967DC QUANTUMLOCK User Manual
Page 52

looper thread
Underside
Cover stitch
Left needle thread
Topside
looper thread
Cover stitch
Underside
Underside
Cover stitch right needle thread
Cover stitch right needle thread
Underside
looper thread
Cover stitch
Cover stitch right needle thread
Cover stitch
Topside
Topside
Cover stitch
Left needle thread
Topside
Left needle thread
Cover stitch
Left needle thread
Cover stitch
N~4
STITCH LENGTH
C
Cover stitch right needle thread
Underside
looper thread
Cover stitch
looper thread
Cover stitch
Cover stitch right needle thread
Orange
Polyester
Woolly nylon
looper Thread
Cover stitch
Topside
Green
Tension Dial
Blue
Red
DRIVING CLUTCH POSITION
Left needle thread
Cover stitch
Brown
R
SEAM WIDTH FINGER KNOB
NEEDLE POSITION
Polyester
Woolly nylon
Cover stitch
looper Thread
Tension Dial
Orange
Blue
Red
Green
Brown
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
:
51
How to Balance
Set auto tension dial to K or H shown at right and test
sew on a sample of your fabric.
* Stitch length for cover stitch should be set at
over N (2.5 mm).
2-Thread Cover Stitch Suggested Tension Settings
Correct Balance
When the cover stitch looper thread is too loose;
-Move the cover stitch looper thread tension
lever
(brown)
fine tuning
toward a higher position.
When the cover stitch left needle thread tension is too
loose;
-
the cover stitch left needle thread tension
Move
fine tuning
lever
position
(orange) toward a higher
.
-Or,
cover stitch looper thread tension
(brown)
move
fine tuning lever
toward a lower position.
When the cover stitch right needle thread tension is too
loose;
-
the cover stitch right needle thread tension
Move
fine tuning
lever
position
(blue) or (orange) toward a higher
.
- Or,
the cover stitch looper thread tension
move
fine tuning
lever
position
(brown) toward a lower
.
When the top surface of fabric bulges between needle
threads and the seams on the underside of the fabric
becomes tight;
-
the cover stitch looper thread tension
move
fine tuning
lever
position
(brown) toward a lower
.
ATD:K
ATD:H