White 1066 - Case of Common Difficulties

28.
CASE
OF
COMMON
DIFFICULTIES
BREAKING
OF
THE
UPPER
THREAD:
1.
Incorrect
threading
2.
Upper
thread
tension
too
tight
3.
Faulty
needle
or
needle
set
incorrectly
4.
Needle
brushing
against
presser
foot
or
other
attachments
5.
Needle
eye
too
small
for
thread
used
6.
Starting
the
machine
suddenly
or
with
a
jerk
7.
Starting
the
machine
with the
take-up
lever
at
its
highest
position
BREAKING
OF
THE
LOWER
THREAD:
1.
Incorrect
threading
of
the
bobbin
case
2.
Lower
thread
tension
too
tight
3.
Bobbin
being
wound
too
fully
4.
Rough
edge
of
hole
in
needle
plate
caused
by
improper
needle
action
BREAKING
OF
THE
NEEDLE:
1.
Pulling
the
fabric
while
machine
is
running,
thus
causing,
the needle
to
strike
the
needle
plate
2.
Using
bent
needle
SKIPPING
STITCHES:
1.
Using
bent
or
blunt
needles
2.
Needle
inserted
incorrectly
3.
Needle
threaded
incorrectly
4..
Using
wrong
size
needle
5.
Pressure
on
presser
foot
insufficient,
especially
when
sewing
heavy
material
UNEVEN
STITCHES:
1.
Presser
foot
not
resting
evenly
on
material
2.
Feed
dog not
being
high
enough
3.
Using
too
short
a
stitch
4.
Pulling
the
cloth
while
the
machine
is
running
5.
Using
too
fine
a
needle
with
to
coarse
a
thread
—2$—