;:Whatto DO when
PROBLEM
Irregular Stitches
Breaking Needle
Bunching of Thread
Puckering
PROBABLE CAUSE
_ncorrect s_ze needle.
Improper threading,
Loose upper thread tension. Puiling fabric,
Loose presser foot, Unevenly wound bobbin.
Nicks or burrs at hole of needle plate,
Pulling fabric,
Incorrect size needle,
incorrect setting of needle, Loose presser foot.
Upper and lower threads not drawn back under presser foot before starting seam.
Incorrect thread tension.
Using two different s_zes or kinds of thread. Bent or blunt needle,
Loose presser foot.
Fabric too sheer or too soft,
CORRECTION
Choose correct size needle for thread and fabric, Rethread machine.
Tighten upper thread tension.
Do not pull fabric; guide it gently.
Reset presser foot.
Rewind bobbin,
Replace needie plate, or polish off burrs completely.
Do not putl fabric; guide _t gently.
Choose correct size needle for thread and fabric. Reset needle.
Reset presser foot.
When starting a seam be sure to draw both threads under and back of presser foot about 4" and hold untii a few stitches are formed,
Reset thread tension.
Upper thread and bobbin thread should be same size and kind. Insert new needle.
Reset presser foot,
Use underlay of tissue paper,
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