Kenmore SWA/RS 14501 - Manual (Page 59)

Needle breaks.
"Fabric is being pulled or pushed against
machine feeding action. — Guide it gently.
"Needle size is not correct for thread and fabric.
— See page 14.
"Needle is not all the way up into the needle
clamp (see page 13).
"Presser foot holder is not fastened securely.
— Retighten presser foot thumb screw.
THREAD PROBLEMS
Thread bunches.
"Top and bobbin threads are not drawn back
under presser foot before starting seam.
— Draw both threads back under presser foot
about 4 inches and hold until a few stitches
are formed.
Needle thread breaks.
"Machine is started too fast. — Start to stitch at
a slow speed.
"Machine is not threaded correctly. — See
page 15. *
"Top thread tension is too tight. — Decrease
top thread tension.
"Needle size not correct for thread and fabric.
— See page 14.
"Eye of needle has sharp edges. — Replace
needle.
"There are nicks or burrs at needle plate
opening. — Replace needle plate or smooth
burrs with extra fine Emory cloth.
Bobbin thread breaks.
"Bobbin case is not threaded correctly. — See
page 1 2 .
"Lint accumulates in bobbin case or shuttle.
— Remove lint (see page 55).
Fabric puckers.
"Top and bobbin thread tensions are too tight.
— Adjust thread tensions (see page 17).
"Two different sizes or types of thread are used.
— Use same size and types of thread on top
and in bobbin.
"Needle is bent or blunt. — Replace needle.
"Stitch length is too long for sheer or soft fabric.
— Shorten stitch length or use underlay of
tissue paper.
"Presser foot holder is not fastened securely.
— Retighten presser foot thumb screw.