4-thread ultra stretch mock safety stitch
A Right needle thread
B Left needle thread
C Upper looper thread
D Lower looper thread
Correct Balance
•
Set each tension dial to
settings shown below
and test sew on a
sample of your fabric
Fabric
Light
Medium
Heavy
Hot to balance
When the upper looper thread lies
on the underside of the fabric:
•
Turn the upper looper tension
dial (orange) to a higher
number
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
Turn the upper looper thread
•
tension dial (orange) toward a
lower number
EN
Blue
Green
2.5
3.0
3.5
Tension Dial
Orange
2.5
3.0
3.5
Yellow
3.0
3.0
3.0
3.0
3.0
3.0