SINGER W1166 User Manual

Page 32

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•í V

Trouble

Probable Cause

Correction

Skipping
Stitches

Bent needle

Discard and replace.

Needle place in
correctly in clamp

See instruction page No.

Too fine a needle
for thread being used

See needle and thread chart, page No.

Irregular
Stitches

Upper thread tension

too loose

Tighten upper tension.

Improper threading

See threading instruction, page No.

Bobbin not wound

even

Rewind bobbin.

Uneven
Stitches

Pulling or holding

material

Avoid pulling or holding material, just guide it.

Not enough tension
on upper thread

Increase tension.

Poor quality thread

Try different thread.

1 Needle too fine for

thread being used

See needle and thread chart, page No.