Trouble shooting: causes and remedies – SINGER W1422 User Manual

Page 40

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TROUBLE SHOOTING: CAUSES AND REMEDIES

NEEDLE THREAD BREAKS

CAUSE

REMEDY

Needle not properly threaded

Thread tension too tight

Something wrong with the needle

Thread it too heavy for needle

Thread check spring is broken

Needle not properly inserted

Needle plate, shuttle or sewing foot damaged

Thread properly

Loosen tension

Replace needle

Change

Have a new spring fitted

Insert needle properly

Replace

BOBBIN THREAD BREAKS

Bobbin thread entangled because of incorrectly wound bobbin

Bobbin thread not under tension spring on bobbin case

Wind bobbin correctly

Thread bobbin correctly

stitches

: ARE LEFT OUT

Needle not properly fitted on needle bar

Needle bent or blunt

Needle worn

Fit needle properly

Replace

Replace

NEEDLE BREAKS

Needle bent

Needle not properly fitted

Fabric too heavy or too hard

You are pulling on the fabric

Replace

Fit needle properly

Use needle of correct size

Do not pull

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