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PROBLEM PROBABLE CAUSE CORRECTION
Skipping Stitches
Breaking Upper Thread
Breaking Bobbin Thread
Fabric not Mowng
Incorrect s_ze needle,
Bent or blunt needle,
tncorrec[ settmg of needle.
Tight upper thread tension.
Starting to stitch too fast.
lmproper threading.
Tight upper thread tension.
incorrect size needle.
Sharp eye in needle.
Nicks or burrs at hole oi needle plate.
Improper bobbin threading.
Lint m bobbin holder or hook race,
Darning plate m place.
Stitch Length set at 0.
Thread knotted under fabric.
Push-pull clutch ts disengaged.
Choose correct size needle for thread and fabnc.
Insert new needle.
Reset needle.
Loosen upper thread tension.
Start to stitch at a medium speed.
Rethread machine.
Loosen upper thread tension,
Choose correct size needle for thread and fabric.
insert new needle.
Replace needle plate, or polish off burrs completely.
Check bobbin threading,
Clean bobbin holder and hook race.
Remove darning plate.
Adjust Stitch Length Control.
Place both threads back under presser foot before beginning
to stitch.
Push in the clutch.
Thread caught _n hook race. Disassemble and clean hook race.
Machine Jamming Knocking No_se
Lint tn bobbin holder or hook race. Clean bobbin holder and hook race.
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