2) 3-thread flatlocìt, Correct balance, How to balance – SINGER 14SH644 User Manual
Page 31: 2) 3-thread flatlock
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[ 2) 3-thread FlatlocìT
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 lower looper thread tension is too loose:
- Turn the lower looper thread tension dial (yellow)
toward a higher number.
- Or, turn the needle thread tension dial (blue or
green) toward a lower number.
When the upper looper thread tension is too loose;
- Turn the upper looper thread tension dial
(orange) toward a higher number.
- Or, turn the needle thread tension dial (blue or
green) toward a lower number.
When the needle thread tension is too loose;
- Turn the needle thread tension dial (blue or
green) toward a higher number.
- Or, turn the upper looper thread tension dial
(orange) toward a lower number.
NEEDLE POSITION
• O
o m
SEAM WIDTH FINGER KNOB
S
STITCH LENGTH
2 ~ 4
Fabric
Tension Dial
Blue
Green
Orange
Yellow
Light weight
0.5
4.5
5.0
Medium weight
0.5
5.0
6.0
Heavy weight
0.5
5.5
7.0
Fabric
Tension Dial
Blue
Green
Orange
Yellow
Light weight
0
5.0
5.0
Medium weight
0.5
5.5
5.5
Heavy weight
0.5
5.5
6.0
Needle thread
Upper looper
thread
Topside
Needle thread
Upper looper
thread
Topside
Needle thread
Upper looper
thread
Topside
Needle thread
Lower looper
thread
Underside
Needle thread
Lower looper
thread
Underside
leedle thread
LoweKlooper
thread
Underside
30