PERFORMANCEPROBLEMSCHART

What to Do When

PROBLEM

Skipping Stitches

Breaking Upper Thread

Breaking Bobbin Thread

Fabric not Moving

Machine Jamming; Knocking Noise

Irregular Stitches

Breaking Needle

Thread Bunching

Puckering

PROBABLE CAUSE

Incorrect size needle.

Bent or blunt needle.

Incorrect needle instalation.

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 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.

Thread caught in shuttle.

Lint in bobbin case or shuttle.

Incorrect size needle.

Improper threading,

Loose upper thread tension.

Pulling fabric.

Loose presser foot.

Unevenly wound bobbin.

Nicks or burrs at hole of needle plate,

Pulling fabric.

Incorrect size needle.

Incorrect needle instalation.

Loose presser foot.

Upper and lower threads net drawn back under presser foot before starting seam.

Incorrect thread tension (s).

Using two different sizes or kinds of thread. Bent or blunt needle.

Loose presser foot.

Fabric very sheer or very soft.

CORRECTION

Choose correct size needle for thread and fabric.

Insert new needle.

Reinstall 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 shuttle, or polish off bum completely.

Replace needle plate, or palish off burrs completely.

Check bobbin case threading.

Clean bobbin case and shuttle.

Remove darning plate. Adjust Stitch Length Control.

Place both threads back under presser foot before beginning to stitch.

Disassemble and clean shuttle.

Clean bobbin case and shuttle.

Use 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.

Do not pull fabric; guide itgently.

Choose correct size needle for thread and fabric.

Reinstall needle.

Tighten presser foot.

When starting a seam be sure to draw both threads under and

back of presser foot about 4" and hold until a few stitches are formed.

Reset thread tension(s).

Upper thread and bobbin thread should be same size and kind. Insert new needle.

Tighten presser foot.

Use underlay of tissue paper.

7O

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Kenmore Sewing Machine manual Performanceproblemschart, What to Do When

Sewing Machine specifications

The Kenmore sewing machine has long been a trusted name in the world of sewing, renowned for its reliability, performance, and user-friendly features. Ideal for beginners and seasoned seamstresses alike, Kenmore machines offer a range of models and functionalities that cater to various sewing needs.

One of the standout features of Kenmore sewing machines is their versatility. Many models come equipped with a variety of built-in stitches, allowing users to choose from basic, decorative, and stretch stitches. This flexibility ensures that sewers can tackle a wide array of projects, from simple repairs to intricate garment construction and quilting.

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