Hints on smooth sewing – SINGER W311 BBS User Manual

Page 30

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HINTS ON SMOOTH SEWING

Trouble

Probable Cause

Correction

If Machine

Binds

Thread or lint in

raceway

Remove bobbin cace, race cover and shuttle race.

Clean thread and lint from all parts.

Run a drop of oil along rim of hook.

Replace removed parts.

Skipping

Bent needle

Discard -and replace.

Stitches

Needle place in
correctly in clamp

See instruction page 5.

Too fine a needle
for thread being used

See needle and thread chart, page 30,

Irregular

Upper thread tension

too loose

Tighten upper tension.

Stitches

Improper threading

See threading instruction, page 8.

Bobbin not wound
even

Rewind bobbin.

Uneven

1 Pulling or holding

material

Avoid pulling or holding material, just guide it.

Stitches

Not enough tension
on upper thread

' ' Increase tension.

Poor quality thread

Try different thread.

Needle too fine^for
thread being used

See needle and thread chart, page 30.