Sears 385. 17526 User Manual
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SECTION 4. PERFORMANCE PROBLEMS CHART
What to Do When
PROBLEM
PROBABLE CAUSE
CORRECTION
Irregular Stitches
incorrect size needle.
Improper threading.
Loose upper thread tension.
Pulling fabric.
Loose presser toot.
Unevenly wound bobbin.
Nicks or burrs at hole ol needle plate.
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 needle plate, or polish off burrs completely.
Breaking Needle
Pulling fabric.
Incorrect size needle.
Incorrect setting of needle.
Loose presser toot.
Do not pull fabric; guide it gently.
Choose correct size needle tor thread and fabric.
Reset needle.
Reset presser toot.
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 undei; and
back ot presser foot about 4" and hold until a tew stitches are
formed.
Puckering
Incorrect thread tension.
Using two different sizes or kinds of thread.
Bent or blunt needle.
Loose presser toot.
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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