Bernette b48 FUNLOCK Instruction Manual page 51

NP
N/R
N
SL
2.5-4
CL/UL
UL
ULC
Thread Color Code Refer page 21.
5
5
5
6 6
6
5 5
5
6 6
6
5
5
5
6
6
6
50
Refer page 15
/
Refer page 14/15
Refer page 33
Refer page 42
Refer page 14
1 1
1
4
4
4
3
3
3
7 7
7
1
1
1
4
4
4
3 3
3
7 7
7
1
1
1
4 4
4
3
3
3
7
7
7
2-Thread Overlock & Chain
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.
2-Thread Overlock & Chain, narrrow
Medium weight
fabric
Yellow
2.0
2-Thread Overlock & Chain, wide
Medium weight
fabric
Yellow
2.0
• How to balance the thread tension
When the lower looper thread appears on the top of
the fabric;
– Turn the lower looper thread tension dial (red) to
a higher number.
– Or, turn the upper looper thread tension dial
(blue) toward a lower number.
When the right needle thread is too loose;
– Turn the right needle thread tension dial (green)
toward a higher number.
When the chain needle thread tension is too loose;
– Turn the chainstitch needle thread tension dial
(yellow) toward a higher number.
– Or, turn the chainstitch looper thread tension
dial (violet) toward a lower number.
Thread tension dial
Green Blue Red Violet
0.0 5.0 5.5
Thread tension dial
Green Blue Red Violet
0.0 4.5 5.5