White 1240 Sewing Machine User Manual


 
ADJUSTING
UPPER
TENSION
To
increase
upper
tension,
turn
upper
tension
regulator
to
a
hig
her
number.
To
decrease
upper
tension,
turn
upper
tension
regulator
to
a
lo
wer
number.
Turning
tension
regulator
from
“0”
to
“9”
will
increase
tension.
Nor
mal
sewing
is
performed
between
“4”
and
“5”
Note:
Normal
stitches
will
be
performed
on
the
red
zone
at
4,
5
and
6
for
regular
cotton
threads.
Wh
/F/////,
Y/I/,//’W,
/
/1%
Fig.
1.
///,
‘Zz//
//
./,
Proper
Tension
st\\\”
55
s\\5
Fip.
2
ois”
ss
Upper
Thread
Tension
Too
Loose
55\\\
555”.’
\\\
5
\\
‘55’
Fiq,
3
.,
5555’
\\‘.\‘
5*’.’:
‘5,55
\‘5
Upper
Thread
Tension
Too
Tight
A
perfect
straight
stitch
wilt
be
formed
with
both
threads
interlock-
Pg
in
fabric
as
shown
in
Fig.
1.
When
using
the
zig
zag
stitch
for
embroidery
(satin
stitching),
decrease
upper
tension
so
that
top
surface
will
look
smooth
at
the
expense
of
the
bottom
surface.
11