Sears 11682, 12781, 12681, 12581 manual Performance Problems Chart

Models: 11682 12581 12781 12681

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SECTION 4. PERFORMANCE PROBLEMS CHART

What to Do When (Continued)

PROBLEM

Skipping Stitches

Breaking Upper Thread

Breaking Bobbin Thread

Fabric not Moving

PROBABLE CAUSE

Incorrect size needle.

Bent or blunt needle.

Incorrect setting of needle.

Tight upper thread tension.

Starting to stitch too fast,

Improper threading.

Tight upper thread tension_

Incorrect size needta.

_Sha_ eye in_.

Nicks or burrs on shuttle.

Nicks or burrs at hole of needle plate.

Improper bobbin case threading. Lint in bobbin case or shuttle.

Darning plate in place. Stitch Length set at O. Thread knotted under fabric.

SECTION 4. PERFORMANCE PROBLEMS CHART

CORRECTION

Choose correct size needle for thread and fabric•

Insert new needle.

Reset needle.

Loosen upper thread tension.

Start to stitch at a medium speed.

Rethread machine.

Loosen upper thread temion ....

correct size needle for thread and fabric. rnsert new neede_

Replace shuttle, or polish off burrs completely. Replace needle plate, or polish off burrs completely.

Check bobbin case threading.

Clean bobbin caseand shuttle.

Remove darning plate.

Adjust Stitch Length Control.

Place both threads back under presserfoot before beginning to stitch.

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Page 39
Image 39
Sears 11682, 12781, 12681, 12581 manual Performance Problems Chart