Kenmore 385. 17622 - Manual (Page 41)

What to Do When (Continued)
SECTION 4. PERFORMANCE PROBLEMS CHART
PROBLEM PROBABLE CAUSE CORRECTION
Irregular Stitches
Incorrect size needle,
improper threading.
Loose upper thread tension.
Pulling fabric.
Choose correct size needle for thread and fabric.
Rethread machine.
Tighten upper thread tension.
Do not pull fabric; guide it gently.
Reset presser fnnt
Unevenlv wound bobbin. Rewind bobbin.
Nicks or burrs at hole of needle pJate. Replace needle plate, or polish off burrs completely.
Breaking Needle
Pulling fabric.
Incorrect size needle.
Incorrect setting of needle.
Loose presser foot.
Do not pull fabric; guide it gently.
Choose correct size needle for thread and fabric.
Reset needle.
Reset presser foot.
Bunching of Thread
Upper and lower threads not drawn back
under presser foot before starting seam. When starting a seam be sure to draw both threads under and
back of presser foot about 4" and hold until a few stitchs are
formed.
Puckering
Incorrect thread tension(s).
Using two different sizes or kinds of thread.
Bent or blunt needle. -
Reset thread tension(s).
Upper thread and bobbin thread should be same size and kind,
insert new needle.
Loose presser foot.
Fabric very sheer or very soft. Reset presser foot. ,
Use underlay of tissue paper.
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