Kenmore 1791 Sewing Machine User Manual


 
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