Bernette b48 FUNLOCK - 2-Thread Flatlock; 2-Thread Flatlock narrow; 2-Thread Flatlock wide

 45
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2-Thread Flatlock
• Correct balance
– Set each tension dial to recommended setting
and test sew on a sample of your fabric.
• How to balance the thread tension
When the lower looper thread tension is too tight or
needle thread tension is too loose;
– Turn the lower looper thread tension dial (red)
toward a lower number.
PLEASE 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
Thread Color Code Refer page 21.
2-Thread Flatlock narrow
Medium weight
fabric
Thread tension dial
Yellow Green
Blue
Red Violet
0.0 4.5
2-Thread Flatlock wide
Medium weight
fabric
Thread tension dial
Yellow Green Blue Red Violet
0.0 4.0
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NP
/
Refer page 15
N/R
N
Refer page 14/15
SL
2.5-4
Refer page 33
CL/UL
UL
Refer page 42
ULC
Refer page 14
When the lower looper thread tension is too loose;
– Turn the lower looper thread tension dial (red)
toward a higher number.