SINGER W8931 User Manual

Page 25

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Trouble

Probable Cause

Correction

Skipping
Stitches

Bent needle

Discard and replace

Needle placed in
correctly in clamp

See instruction page No. 8

Too fine a needle
for thread being used

See needle and thread chart, page No. 7

Irregular
Stitches

Upper thread tension

too loose

Tighten upper tension

Improper threading

See threading instruction, page No. 7

Bobbin not wound

even

Rewind bobbin

Uneven
Stitches

: Pulling or holding

i material

Avoid pulling or holding material, just guide it.

Not enough tension ■

i on upper thread

Increase tension

Poor quality thread ■

Try different thread ■ '

j Needle too fine for :

; thread being used :

See needle and thread chart, page No. 7