Loading ...
Loading ...
Loading ...
PROBLEM
Skipping Stitches
Breaking Upper Thread
PROBABLE CAUSE
Incorrect size needle.
Bent or blunt needle,
incorrect setting of needle,
Tight upper thread tension,
Starting to stitch too fast.
Improper threading.
Tight upper thread tension.
_ncorrect size needle.
Sharp eye in needle.
Nicks or burrs at ho_e of needle plate.
CORRECTION
Choose correct size needle for thread and fabric.
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,
Improper bobbin threading. Check bobbin threading.
Breaking 8obbin Thread Lint m bobbin hotder or hook race, Clean bobbin holder and hook race.
Darning plate in place, Remove darning plate.
Fabric not Moving Stitch Length set at 0. Adiust Stitch Length Control,
Thread knotted under fabric+ Place both threads back under presser foot before beginning
to stitch.
Push-pull clutch is disengaged. Push in the clutch.
Thread caught m hook race. Disassemble and clean hook race.
Machine Jamming Knocking Noise Lint in bobbin holder or hook race, Clean bobbin holder and hook race.
57
Loading ...
Loading ...
Loading ...