How To Adjust The Seam Width; Width Adjustment By Changing Needle Position; Width Adjustment With Adjustment Knob - Baby Lock Diana BL480A Instruction And Reference Manual

15. HOW TO ADJUST THE SEAM WIDTH

Overlock seam width can be adjusted from narrow (using right
needle) to wide (using left needle) and also with the width
adjustment dial.
Needle Position Width
Overedge seam width can be adjusted from narrow (using right
needle) to wide (using left needle).
a) When using left needle.................................6 mm (15/64 inch)
b) When only right needle is used....................4 mm (10/64 inch)
c) When using chain stitch needle.................8.8 mm (11/32 inch)
Width adjusting dial
As shown on the illustration, turn the dial counter clockwise to
increase width of cutting, and clockwise to decrease width of
cutting.
Use of width adjustment dial will permit further adjustment within
the width range shown below.
a) When using left needle..........5 ~ 7mm (13/64 ~ 17/64 inch)
b) When only right needle is used....3.0 ~ 5.0 mm (1/8 ~ 3/16 inch)
c) When using chain stitch needle....7.8 ~ 9.8 mm (5/16 ~ 3/8 inch)
6.0 mm
(15/64")
Left ne dle e
5.5
N
6.5
5 mm
(13/64")
7 mm
(17/64")
Left ne dle e
29
4.0 mm 8.8 mm
(10/64") (11/32")
Right ne dle e Chain stitch
needle
3 mm
7.8 mm
(1/8")
(5/16")
9.8 mm
5 mm
(3/8")
(3/16")
Right ne dle e Chain stitch
ne dle e