27
(13/64")
7 mm
(17/64")
5 mm
3 mm
(1/8")
5 mm
(3/16")
(10/64")
(15/64")
6.0 mm
4.0 mm
1
2
●
3
b
a
b
a
(13/64")
7 mm
(17/64")
5 mm
3 mm
(1/8")
5 mm
(3/16")
(10/64")
(15/64")
6.0 mm
4.0 mm
1
2
●
3
b
a
b
a
(13/64")
7 mm
(17/64")
5 mm
3 mm
(1/8")
5 mm
(3/16")
(10/64")
(15/64")
6.0 mm
4.0 mm
1
2
●
3
b
a
b
a
HOW TO ADJUST
Seam Width
• Cutting width adjustment knob
Stitch lenght dial
– The stitch length dial should be set on the
• = 2.5 setting for most sewing conditions.
– Adjust the stitch length to 2.5 – 4 when sewing
heavy weight fabrics.
– Adjust the stitch length to 2.5 – 1 when sewing
light weight fabrics to obtain excellent seams
without puckering.
Overlock seam width can be achieved by repositioning
the needle position and also with the width adjustment
knob.
• Width adjustment by changing needle
position
Overlock seam width can be adjusted by changing the
needle position.
(a) When using left needle
6 mm (15/64")
(b) When only right needle is used
4 mm (10/64")
Use of width adjustment knob will permit further
adjustment within the width range shown below.
(a) When using left needle
5–7 mm (13/64"–17/64")
(b) When only right needle is used
3–5 mm (1/8"–17/64")
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