Performance Problems; What To Do When - Sears Kenmore 385.17126 Manual De Instrucciones

PERFORMANCE PROBLEMS CHART
What to Do When
PROBLEM PROBABLE CAUSE CORRECTION
irregular Stitches
Breaking Needle
Incorrect size needle
Improper threading.
Loose upper thread tension.
Putling labnc.
Loose presser loot
Unevenly wound bobbin+
Nicks or burrs at hole of needle plate+
Pulling fabric.
Incorrect size needle.
Incorrect setting of needle.
Loose presser foot.
Choose correct size needle for thread and fabric.
Rethread machine.
Tighten upper thread tenmon.
Do not pull fabric; guide it gentty+
Reset presser foot.
Rewind bobbin+
Replace needle plate, or polish off burrs compIetely+
Do not pull labric; guide it gently.
Choose correct size needle for thread and labnc,
Reset needle.
Reset presser foot.
Upper and lower threads not drawn back When starting a seam be sure to draw both threads under and
Bunching of Thread under presser foot before starting seam. back of presser loot about 4- and hold until a few stilches are formed.
Puckering
Skipping Stitches
Breaking Upper Thread
Incorrect thread tension.
Using two different sizes or kinds of thread.
Bent or blunt needle.
Loose presser foot.
Fabnc too sheer or too soft.
Incorrect size needle.
Bent or blunt needle.
Incorrect setting oi needle.
Tight upper thread tension.
Starting to stitch too fast.
Improper threading.
Tight upper thread tension.
Incorrect size needle,
Sharp eye in needle.
Nicks or burrs at hole of needle prate.
Improper bobbin threading.
Lint in bobbin holder or hook race,
The feed dog +snot tn the upper position.
Stitch Length set at O+
Thread knotted under fabric.
Breaking Bobbnn Thread
Fabric not Moving
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.
Choose correct size needle tot thread and Iabnc
insert new needle.
Reset needle.
Loosen upper thread tension.
Start to stitch at a medium speed.
Rethread machine.
Loosen upper thread tension.
Choose correct size needle for thread and fabric.
Insert new needle.
Replace needle plate, or polish off burrs completely.
Check bobbin threading.
Clean bobbin holder and hook race.
Push-pull clutch is disengaged.
Machine Jamming Knocking Noise Thread caught in hook race. Disassemble and clean hook race.
Lint in bobbin holder or hook race. Clean bobbin holder and hook race.
Raise the leed dog with the drop lever.
Adjust Stitch Length Control.
Place both threads back under presser foot belore beginning
to stitch.
Push in the clutch.
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