ELNA 3003 - Page 34

Problem
Cause
See
page
The
seam
puckers
1 ,
The
upper
tension
is
too
tight
A-14
2. The
machine
is
not threaded
correctly
A-]
2
3.
The
needle
is
too heavy
for the
fabric
being
sewn
A-9
4. The
stitches
are
too
long
for the
fabric
A-9
5. The
pressure
of
the presser
foot
is not
set
correctly
A-7
*
When
sewing
extremely
light
weight
fabrics
place
a
sheet
of
paper
underneath
the
fabric
The
stitches
form
loops
underneath
the
fabric
1 The
upper
tension
is
too
loose
A-14
2. The
needle
is either
too heavy
or to
fine
for
the thread
A-9
The
fabric
is not
fed
smoothty
I
. The
feed
dog
is packed
with
lint
A-31
2. The
pressure
of
the presser
foot
is too
weak
A-7
3. The
stitches
are
too short
A-
15
The
machine
does
not
work
1.
The machine
is
not
plugged
in
A-6
2. A
thread
is
caught
in the
hook
race
A-31
3
The
coupling
knob
is disengaged
A10,
1 1
4
The
bobbin
w;nder
spindle
is in
the winding
position
A-10,
1 1
The
buttonhole
is not
balanced
I] The
stitch
length
is not
suitable
for the
fabric
being
sewn
A-15
2.
The
work
is being
pulled
or
held
bock
Guide
the
fabric
gently
3.
No
interfacing
is
being
used
with
stretch
or
fine
fabrics
A-9