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HELPFUL
HINTS
PROBLEM
Upper
thread
breaks
Lower
thread
breaks
Machine
skips
stitches
Fabric
puckers
Machine
makes
loose
stitches
or
loops
Threader
does
not
thread
needle
eye
CAUSE
.
Machine
not
properly
threaded.
•Thread
entwined
around
bobbin.
•Needle
inserted
incorrectly.
•
Thread
tension
too
tight.
•
Thread
of
incorrect
size
or
poor
quality.
•Bobbin
threaded
incorrectly.
•
Bobbin
wound
unevenly
or
too
full.
•
Dirt
on
the
bobbin
holder.
•
Needle
inserted
incorrectly.
•
Bent
or
blunt
needle.
•
Incorrect
size
of
needle.
(on
stretch
fabric)
•Machine
not
properly
threaded.
•Bobbin
threaded
incorrectly.
•
Blunt
needle.
•
Thread
tension
too
tight.
.
Bobbin
threaded
incorrectly.
.
Machine
not
properly
threaded
•
Tension
not
adjusted
properly.
•
Needle
is
not
raised.
•
Needle
inserted
incorrectly.
.
Bent
needle.
CORRECTION
Re-thread
machine.
Remove
entwined
thread.
Re-insert
needle.
Readjust
thread
tension.
Choose
correct
thread.
Re-thread
the
bobbin.
Rewind
the
bobbin.
Clean
the
holder.
Re-insert
needle.
Insert
new
needle.
Choose
correct
size
needle
for
fabric.
(use
stretch
needle)
Re-thread
machine.
Re-thread
the
bobbin.
Insert
new
needle.
Readjust
thread
tension.
Re-thread
the
bobbin.
Re-thread
machine.
Readjust
thread
tension.
Raise
the
needle.
Re-insert
needle.
Insert
new
needle.
Machine
does
•
Feed
dogs
are
lowered.
Raise
the
feed
dogs.
8
not
feed
properly
•
Lint
and
dust
accumulated
around
Clean
the
feed
dogs
area.
30
feed
dogs.
•
Fabric
pulled
while
sewing.
Do
not
pull
fabric.
15
•
Needle
is
hitting
the
presser
foot.
Select
correct
foot
and
pattern.
19
Needle
breaks
•
Needle
inserted
incorrectly.
Re-insert
needle.
6
•
Incorrect
size
needle
orthread
for
Choose
correct
size
needle
18
fabric
being
sewn.
and
thread.
Machine
runs
•
Dirt
or
lint
accumulated
in
the
hook
Remove
the
needle
plate
30
with
difficulty
race
and
feed
dog.
and
bobbin
holder
and
clean
the
hook
race
and
feed
dog.
•
Cord
not
plugged
into
electrical
Insert
plug
fully
into
outlet.
7
outlet.
•
Power
switch
is
not
turned
on.
Turn
on
the
switch.
7
Machine
will
not
•
Bobbin
winder
spindle
is
pushed
to
Push
spindle
to
the
left.
11
run
the
right.
•
Presser
foot
is
not
lowered.
Lower
the
foot.
15
•
Buttonhole
Sewing
Mode;
Buttonhole
lever
is
not
lowered
Lower
the
buttonhole
lever.
23
completely.
Buttonhole
foot
is
not
attached.
Attach
the
buttonhole
foot.
23
PAGE
13
12
6
17
18
12
11
30
6
6
18
13
12
6
17
12
13
17
8
6
6
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