Sears 385 - Manual (Page 59)

SECTION 4. PERFORMANCE PROBLEMS CHART
What to Do When
PROBLEM PROBABLE CAUSE CORRECTION
Itregiildi SliTches
Incorrect size needle.
Improper threading.
Loose upper thread tension.
Pulling fabric.
Loose presses foot.
Unevenly wound bobbin.
Nicks or burrs at hole of needle plate.
Choose correct size needle for thread and fafrnc.
Rethread machine.
Tighten upper thread tension.
Do not pull fabric; guide tt gently.
Reset presser foot.
Rewind bobbin.
Replace needle plate, or polish off burrs compietRly.
Bipflking Needle
Pulling fabric.
Incorrect size needle.
Incorrect setting of needle.
Loose presses foot.
Do not pull fabric; guide it gently.
Choose correct size needle for thread and fabric.
Reset needle.
Reset presser foot.
Buncditig of Thread
Upper and lower threads not drawn back
under presses foot before starting seam. When starting a seam be sure to draw both threads unrler and
back of presser fool about 4" and hold until a few stitches are
formed.
Pockei ing
Incorrect thread tension.
-Using two different sizes or kinds of thread.
Bent or blunt needle. .
Loose presses foot.
Fabric too sheer or too soft.
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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