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.
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