Problem probable cause correction – Kenmore 1660 User Manual
Page 44
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PROBLEM
PROBABLE CAUSE
CORRECTION
Sicipping
Stitchfts . .
Incorrect size needle.
Certain knits and synthetics.
Bent or blunt needle.^
Incorrect setting of needle.
Tight uppervthread tension.
Light pressure on presser foot.
Choose- correct size needle for thread and fabric.
Use “Q.NTKIH.E"..
InMitnewneedle.
Reset needle.
Loosen upper thread tension.
Increase pressure on {Messer foot.
Breaking Up^ ..
Thread
Starting to stitch too fast,
improper threading.
Tight upper thread tension,
incorrect size needle.
Sharp eye in needle.
Nicks or burrs on shuttle.
Nicks or burrs at hole of needle
plate. ■ : ■ ■ ■ . : ■ '
Start to stitch St a medium speed. ...........................................
Rethreed machine.
Loosen upper thread tension.
Choose ctKrect size needle for thread and fabric.
Insert new needle.
Replace shuttle; or (joiish off burrs com{>letely.
Replace needle plate, or polish off burrs comisietelv.
Breaking Bobbin
Thread
Improper bobbin case threading,
light bobbin thread tendon.
Lint in bobbin case or shuttle.
Check bobbin case threading.
Loosen bobbin thread tension.
Clean bobbin case and shuttle,. "
Fabric not
Moving
Feed dog down.
Light pressure on presser foot.
Thread knotted under fabric.
Raise feed dog. '
Increase pressure on presser foot.
Place both threads beck under presser foot before
beginning to stitch.
Madwia Jamnring
Knocking «Oise
Threadcaughtlin imtittle.
Oisasaeinble and clean shuttla. /
CO