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Performance - Kenmore 1791 Owner's Manual

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CARING FOR YOUR MACHINE
PERFORMANCE
PROBLEMS?
THIS CHART MAY SOLVE
THEM
Your Kenmore
sewing
machine
=sa precision
instrument,
designed
to give you
many
years
of troublefree
sewing
--
with
minimum
maintenance.
But it is a
complex
machine,
And you may sometimes
have difficulty
in mastering
a given
stitch,
. adjusting
for an unusual
fabric.,
, learning
when to replace
a needle
or
use a different
thread.
So if trouble
occurs,
don't
panic.
First, check
to see if machine
is plugged
into
the electrical
outlet,
(Remember,
for
safety's
sake, you
always
should
unplug
your
machine
when
not in use!)
Second,
check the list
below.
Often
you'll
be able
to solve the problem
yourself
without
a service
call.
Then if you still
need
help,
it's available..,
call your
nearest
Sears
Serv,ce
Center.
SUSPECTED PROBLEM
PROBABLE CAUSE
POSSIBLY EASY CORRECTION
IRREGULAR
STITCHES
BREAKING
"NEEDLE
i
i
BUNCHING
OF
THREAD
incorrect
size needle,
Improper
threading,
Loose
upper
thread
tension.
Pulling
fabric,
Light
pressure
on presser
foot,
Loose
presser
foot.
Unevenly
wound
bobbin.
Nicks
or burrs
at needleplate
opening.
Pulling
fabric.
Incorrect
size needle.
Incorrect
setting
of needle.
Loose
presser
foot.
Upper
and lower
threads
not drawn
back under
presser
foot before
starting
seam.
Choose
correct size needle
for thread
and fabric.
Rethread
machine;
check tension
spring
threading.
Tighten
upper
thread
tension.
Do not pull fabric;
guide it gently,
Increase
pressure
on presser
foot.
Reset presser
foot.
Rewind
bobbin,
Replace needleplate,
or polish
off burrs
completely,
Do not pull fabric;
guide
it gently.
Choose
correct
size needle
for thread
and fabric.
Reset
needle.
Reset
presser
foot.
When
starting
a seam
be sure to draw
both
threads
under
and back of presser
foot about
4" and hold
until
a few stitches
are formed.
40

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This manual is also suitable for:

Convertible 1791