White SuperLock User Manual

ADJUSTING
THREAD
TENSIONS
Test
each
thread
tension
on
a
spare
piece
of
the
fabric
you
plan
to
use.
Upper
looper
thread
tension
control
42
Lower
looper
thread
tension
control
Turning
tension
dial
to
a
higher
number
gives
a
tighter
thread
tension.
Turning
tension
dial
to
a
lower
number
gives
a
looser
thread
tension.
The
higher
the
number,
the
tighter
the
tension.
Left
needle
thread
tension
control
4:3
Right
needle
thread
tension
control
J)
The
above
tension
settings
are
for
general
guidance.
A
little
fine
tuning
will
improve
your
stitching
in
many
cases.
Try
test-sewing
with
a
piece
of
fabric
you
are
going
to
use
and
find
the
best
tension
settings.
15

White SuperLock Specifications

General

Brand	White
Built-in Needle Threader	Yes
Model	SuperLock
Stitch Width	7mm
Stitch Length	4mm
Buttonhole Styles	4-step
Warranty	25-year limited