Sears 385. 19601 User Manual

Page 97

Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".

What to Do When

SECTION 6. PERFORMANCE PROBLEMS CHART

PROBLEM

PROBABLE CAUSE

CORRECTION

The machíne does not work.

A single digit number was programmed.
A number without pattern was selected.

Two digit number must be programmed.
A number m the stitch package chart must be selected.

The machine does not work and the
Pattern Indicator reads "Er"^

The area of feed dogs is fiUcd with dust

and lint.

Clean the area ot the teed dogs.

Irregular Stitches

Incorrect size needle.
Improper threading.
Loose upper thread tension.

Pulling tabnc.

Light pressure on presser toot.
Loose presser toot.

Unevenly wound bobbin.
Nicks or burrs at hole ot needle plate.

Choose correct size needle tor thread and fabric.

Reihread machine.

Tighten upper thread tension.
Do not puli fabric; guide it gently.

Increase pressure on presser tool.
Reset presser tool.
Rewind bobbin.
Replace needle plate, or polish off burrs completely.

Breaking Needle

Pulling fabric.

Incorrect size needle.
Iftcorrect setting ot needle.
Loose presser toot.

Oo not pull fabric; guide it gently.
Choose correct size needle tor thread and fabne.

Reset needle.
Reset presser toot.

Bunching

OÍ

Thread

Upper and lower threads not drawn back
under presser foot before starting seam.

When starling a seam be sure to draw both threads under and
back of presser toot about

4'’

and hold until a tew stitches are

formed.

Puckering

Incorrect thread tensionts).
Light pressure on presser tool.
Using two different sizes or kinds oi thread.
Bent or blunt needle.
Loose presser toot.
Fabric too sheer or too sott.

Reset thread tensionfsK
Increase pressure on presser toot.

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

Reset presser toot.

Use underlay ot tissue paper.

Monograms and buttonholes are
not idemscal durmg memory sewing.

Fabric feed is restricted in some way.

Check threads tor tangles.
Check feed dogs and clean, if necessary.

Be sure fabric does not pile up behind the presser fool.
See pages 69 to 74 lor buttonholing instructions.