White 445 - Cloth Guide; Zigzag Sewing; Adjusting Thread Tension; Needle Position Control

Cloth Guide
Use cloth guide when sewing a
long seam of regular distance
from edge of material.
Set guide in hole on arm, at right
of needle plate, and adjust
distance.
Run machine with edge of fabric
touching guide.
Position cloth guide at an angle
то sew a curved seam.
Sew reverse stitches for rein-
forcement at end of seam.
Draw fabric to left when sewing
is finished
Cut threads with thread cutter
behind presser bar.
Adjusting Thread Tension
Test stitch. performance on a
scrap of material you are going
to use
With correct tension ((2), upper
and lower threads tension is
equal and strong enough to lock
both threads in center.
If upper tension is too tight
(loose), upper (lower) thread lies
straight along upper (lower)
surface of fabric (0).(©)). Correct
by turning tension dial
Straight
jag
inch
(width 2.5)
Left position:
button sewing,
etc.
Middle position:
straight stitch,
buttonholes, etc.
1
1
П
П
i
Right position:
blind hem,
overlock, etc.
©
upper tension too loose
—19-
back side
20
5. ZIGZAG SEWING
Set machine as shown.
To prevent seam ends unravell-
ing, set machine for straight
stitch and sew in reverse at
beginning and ending of seam.
Zigzag Width Control
Set control at required number.
Larger the number, wider the
stitch.
Set it at O for straight sewing.
Make sure needle is in upper
position when you set control.
Needle Position Control
Needle pi ion can be changed
by turning needle position
control.
When selecting position, make
sure needle is in upper position
to avoid tearing material or
bending needle.
Thread Tension for Zigzag
Stitch
Better-looking zigzag stitching
requires less upper tension than
straight stitching.
Loosen upper tension slightly.