Sears 385.12514 SECTION 4. PERFORMANCE PROBLEMS CHART What to Do When (Continued)

SECTION 4. PERFORMANCE PROBLEMS CHARTWhat to Do When (Continued)

PROBLEM PROBABLE CAUSE CORRECTION

Irregular Stitches

Breaking Needle

Bunching ofThread

Puckering

Incorrect size needle,

Improper threading.

Loose upper thread tension,

Pulling fabric,

Loose presser foot.

Unevenly wound bobbin,

Nicks or burrs at hole ot needle plate,

Pulling labric,

Incorrect size needle.

Incorrect setting of needle.

Loose presser toot.

Upper and lower threads notdrawn back

under presser toot before starting seam.

Incorrect thread tension (s).

Using two different sizes or kinds ofthread,

Bent or blunt needle.

Loose presser loot.

Fabric very sheer or very soft.

Choose Correct size needle for thread and labfic.

Rethread machine.

Tighten upper thread tension.

Do not pull fabric; guide itgently.

Reset presser toot,

Rewind bobbin,

Replace needle plate, or polish offburrs completely.

Do not pull fabric; guide it gently.

Choose correct size needle for thread and fabric.

Reset needle.

Reset presser toot.

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

back of presser foot about 4"° and hold until a tew stitchs are

formed,

Reset thread tension (s),

Upper thread and bobbin thread should be same size and kind,

Insert new needle.

Reset presser foot.

Use undeday of tissue paper.