Singer 1422 - Page 40

TROUBLE
SHOOTING:
CAUSES
AND
REMEDIES
NEEDLE
THREAD
BREAKS
CAUSE
I
REMEDY
Needle
not
properly
threaded
Thread
properly
Thread
tension
too
tight
Loosen
tension
Something
wrong
with
the
needle
Replace
needle
Thread
it too
heavy
for
needle
Change
Thread
check
spring
is
broken
Have a new
spring
fitted
Needle
not
properly
inserted
Insert needle
properly
Needle
plate,
shuttle
or
sewing
foot
damaged
Peplace
BOBBIN
THREAD
BREAKS
Bobbin
thread
entangled
because
of
incorrectly
wound bobbin
Wind bobbin
correctly
Bobbin
thread not
under tension
spring
on
bobbin case
Thread
bobbin
correctly
STITCHES
ARE
LEFT OUT
Needle not
properly
fitted on
needle
bar
Fit
needle
properly
Needle
bent
or
blunt
RQIace
Needle
worn
Replace
NEEDLE
BREAKS
Needle bent
Replace
Needle
not
properly
fitted
Fit
needle
properly
Fabric too
heavy
or
too
hard
Use
needle of
correct
size
You
are
pulling on
the
fabric
Do
not
pull
—36—