SINGER 514 - Manual (Page 67)

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Thread does not wind correctly
onto bobbin
Make sure . *,
Ф Bobbin w’m6er switch 1$ turned to
"WIND^^ position,
# Bobbin' 1$ pushed in all the way on
the spindle.
STITCHING DimcULTl^S
Irregular stitches occur
Make sure * ..
0flm-Stkch dial is set at 0 when
straight or ^\д-ге^д stitching.
0Fiexf-Stitch dial is balanced when
^mflng -fiaxhSmch patterns.
Needle thread breaks
Make sure . * .
# Machine is correctly threaded>
# Thread is free from slubs and knotSx
# Needle is correct size for thread.
m Needle is straight and sharp.
# Needle thread tension is not too
tight
# Bobbin thread is wound evenly.
# Bobbin case is correctly threaded
and properly inserted,
# Needle plate and presser foot are
undamageti
Ш Threads are correctly placed under
presser foot when you start to sew,
Ф Presser foot is securely fastened to
presser bar.
Bobbin thread breaks
Make sure . ..
# Bobbin has been correctly wound.
# Bobbin case is correctly threaded
and properly inserted.
# Bobbin or bobbin case has not been
damaged>
m Bobbin case area is free of lint>
Skipped stitches
Make sure . . .
m Needle is straight and sharp.
# Needle is correct class for machine
and size for thread.
0 Machine is correctly threaded.
# Fabric is held down firmly (particu­
larly whm you are doing free-
motion darning and embroidery),
loose stitches on underside of
fabric
Make sure « ..
0 Needle is straight and sharp.
0 Needle is correct class for machine
and;size for thread.
0 Sufficient tension is being exerted
on needle thread.
0 Bobbin case area is free of lint.
0 Presser bar has been lowered
(particularly when you are sewing
dense fabrics or doing free-motion
darning and embroidery).
Fabric does not Its flat after
stitching
Make sure . * .
0 Needle-thread tension is not too
tight.
0 There is sufficient presser foot
pressure to hold fabric.
0 Stitch length Is short enough for
fabric.
0 Correct presser foot is being used.
# Machine is correctly threaded.
PBESSURB DIAL DIFFICULT TO
ADJUST
Make sure . . *
0 Presser toot is c/own before rotating
dial.
SLUGGISH/NDISY MACHINE
Make sure * . .
# Bobbin case and feed area is free
of lint and loose thread ends.
0 Machine is lubricated periodically.
6b