A
B
C
34 – SEWING
Gathering Using the Differential Feed
The differental feed can be used to gather lightweight fabrics.
Use it for sleeves, making ruffles, and more.
Set the differential feed between 1.5 and 2 to obtain the best
gathering effect for your project. Always test sew on a scrap
piece of your fabric first. See section “Differential Feed Adjust
-
ment”, page 25, to learn how to adjust the differential feed.
Rolled Edge Sewing
The rolled edge stitch is appropriate for light weight fabrics
such as lawn, voile, organdy, crepe, etc. The rolled edge is
achieved by adjusting the thread tension to make the fabric
edge roll under the fabric while overlocking. Adjust the thread
tension to change the degree of rolling. To sew rolled edge you
need to set the stitch finger lever to “R”.
Tip: For a beautiful rolled edge, thread the upper looper with a decorative
thread and the needle and lower looper with lightweight regular thread.
2-Thread Rolled Edge (A)
1.
Engage the 2-thread overlock converter (see page 11).
2. Use the right needle thread and lower looper thread.
3.
Move the stitch finger lever to “R”.
4.
Set the stitch length dial to “R” for a fine seam.
5.
Set the thread tension according to the stitch table on page
31.
6. Make a thread chain and test sew on a sample of your fab-
ric before sewing on your project. Hold the thread chain
while beginning to sew to keep it from curling into the
seam.
3-Thread Rolled Edge (B) / Narrow Edge (C)
A variant of the rolled edge stitch (B) is the narrow edge (C).
It can be obtained by adjusting the thread tension according to
the stitch table on page 29.
1. Use the right needle thread and the upper and lower loop-
er threads.
2.
Move the stitch finger lever to “R”.
3.
Set the stitch length dial to “3-2” for a fine seam.
4.
Set the thread tension according to the stitch table on pag
-
es 29.
5. Make a thread chain and test sew on a sample of your fab-
ric before sewing on your project. Hold the thread chain
while beginning to sew to keep it from curling into the
seam.
Summary of Contents for Viking Amber Air S 400
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