Trouble chart – SINGER W1805 User Manual

Page 47

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

;3. TROUBLE CHART

Breaking lower
thread

PROBABLE CAUSE

Thread not wound evenly on the bobbin

or not drawn up correctly

Lower thread tension too tight

Lint stuck in the bobbin case and inside
the tension spring

CORRECTION

P.11, P.14

P.13

Remove lint
and fluff with a

cleaning brush

Skipping stitches

Irregular stitches

I The material not

fed correctly

Needle not fully inserted

Needle bent

Size or type of needle and thread not
suitable for the material

Incorrect upper threading

Too much oil on the hook

Incorrect size of needle for the material

Upper thread tension too loose

Incorrect lower tension

Pattern selection dial not set correctly

Lint stuck on the feed dog

P. 8

P.I6

P.14

P.41

-42-