Alfa 8703 Manuel D'instructions page 66

64
Threading the Machine (3 threads)
Using the needle on the right only
(for regular three-thread serging)
When you use the right needle, the standard sewing
width is 3.5 mm.
The illustration on the left shows you how to thread
the needle.
Note:
Tighten the needle clamp screw on the side that is
not being used to prevent losing the screw.
Changeable thread guide
Using the needle on the left only
(for wide three-thread serging)
When you use the left needle, the standard sewing
width is 5.7 mm.
The illustration at left shows you how to thread the
needle.
Changeable thread guide