5. PERFORMANCE CHECKLIST
GENERAL PROBLEMS
-
Fabric does not move.
STITCHING PROBLEMS
action. -
Needle breaks.
action. -
23).
THREAD PROBLEMS
Thread bunches.
stitches are formed.
Needle thread breaks.
* Needle is bent. -
Bobbin thread breaks.
* Lint accumulates in bobbin case or hook.
-
Fabric puckers.
-
-
54
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