3-Thread Overlock - Bernette b48 FUNLOCK Instruction Manual

NP
N/R
N
SL
2.5-4
CL/UL
UL
ULC
–
Thread Color Code Refer page 21.
4 3
1
4 3 1
4 3 1
5
5
5
4 3 1
4 3 1
4 3
1
5
5
5
4 3 1
4 3 1
4 3 1
5
5
5
46
Refer page 15
/
Refer page 14/15
Refer page 33
Refer page 42
Refer page 14
2
2
2
6
6
6
2
2
2
6
6
6
2
2
2
6
6
6

3-Thread Overlock

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
• Correct balance
– Set each tension dial to recommended setting
and test sew on a sample of your fabric.
3-Thread Overlock narrow
Medium weight
fabric
Yellow
3-Thread Overlock wide
Medium weight
fabric
Yellow
3.0
• How to balance the thread tension
When the upper looper thread lies on the underside of
the fabric;
– Turn the upper looper thread tension dial (blue)
to a higher number.
– Or, turn the lower looper thread tension dial
(red) to a lower number
When the lower looper thread appears on the top of
the fabric;
– Turn the lower looper thread tension dial (red)
toward a higher number.
– Or, turn the upper looper thread tension dial
(blue) to a lower number.
When the needle thread is too loose;
– Turn the needle tension dial (yellow or green) to
a higher number.
Thread tension dial
Green Blue Red Violet
4.5 4.5 4.0
Thread tension dial
Green Blue Red Violet
4.5 3.5