Kenmore 158.1813 - Troubleshooting Fabric Movement and Jamming

PROBLEM
PROBABLE CAUSE
CORRECTION
Incorrect size
needle . Choose correct size needle for thread and fabric
.
Bent or blunt needle .
Insert new needle .
Skipping
Stitches
Incorrect setting of needle . Reset needle .
Tight upper thread tension .
Loosen upper thread tension .
Light pressure on presser foot .
Increase pressure on presser foot .
Starting
to stitch too fast . Start to stitch at a medium speed .
Improper threading .
Rethread machine .
Breaking Upper
Thread
Tight
upper thread tension . Loosen
upper thread tension
Incorrect size needle . Choose correct size needle for thread
and fabric .
Sharp eye in
needle . Insert new needle .
Improper bobbin case threading . Check
bobbin case threading .
Breaking
Bobbin
Thread
Tight bobbin thread tension . Loosen bobbin thread tension .
Lint in bobbin case
or shuttle . Clean bobbin case and shuttle .
Feed dog down . Raise
feed dog .
Fabric not
Light pressure on presser foot .
Increase pressure on presser foot .
Moving
Thread knotted under er fabric .
Place both threads back under presser foot before
beginning to stitch .
Machine Jamming
Thread caught in shuttle .
Disassemble and clean shuttle .
Knocking Noise