Kenmore 17881 Owner's Manual page 50

CO
PROBABLE CAUSE :
: n;orrect sizeneedle.
Bent or blunt needIei
of needlei
ight upper,thread tension: i _ :
_t pressure on presser foot,
: : s_a_ting to stitch toofast,
Improper threading: : ::
-Tight upper thread tension;;' : ....
: :: :lnc0rrect size needle:
:sharp eyein needle;
Nicks or burrs at:hole of needle
CORRECTION :
: Choose correct size needle for thread and fabriC.
Insert new needle.
: :Reset needle, i i
Loosen upper thread tension. :
Increase pressure on presser foOt. :
; Start tostitch at a medium speed. ; i: i
Rethread machine.
Loosen upper thread tension.
:
Choose correct size needle for thread and fabric.
Insert new needle,
: Replace needle plate, or polish off burrs comp etely,
! :
.v : :
:Improper bobbin
: Lint in bobbin or shuttle;::
plate in place_ :
Light pressure On presser footi
:::i'Thread knotted under fabric_: :
:::: Push-puli
ZZ
-Thread ca0ght in Shuttlel
Check bobbin threading.
Clean bobbin and shuttle.
Remove darning plate.
Increase pressure on presser foot.
Place both threads back under presser foot before
beginning to stitch.
Push in the clutch.
Disassemble and clean shuttle.
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