SINGER W310 - Manual (Page 37)

PROBLEM AND REMEDIES
Trmible Prd^able Cause Remedies
The machine sticks Thread or lint in the shuttle
hook. Clean and oil the machine and the shuttle
area (see page 341.
Skipped stitches Bent needle Replace with new needle (see page 8).
Needle placed incorrectly
in the clamp. Fit the needle correctly (see page 8i.
Too fine a needle for the
thread being used. Replace the needle or thread so that they
are correctly matched (see page 7i.
Too stretchy fabric. Place a piece of paper beneath the fabric,
or use the Ball Point Needle.
Irregular stitches Upper thread tension too
loose. Tighten the upper tension
Incorrect threading See threading instructions, page 11.
Bobbin not wound evenly. Adjust the bobbin winder (see page 101.
Uneven stitches Material is being held back
or pulled.
Avoid pulling or holding the material just
guide it.
Upper thread tension not
tight enough.
Increase the tension.
Poor quality thread. Try a different thread.
Needle too fine for the
thread being used.
See the needle and thread chart, page 7.
Upper thread breaks Incorrect threading. Refer to the threading instructions on
page 11 and rethread the machine.
Tension too tight. Loosen the upper thread tension (see
page I5i.
Sewing is started with the
take-up lever in the wrong
position. Always start sewing with the take-up
lever in its highest position.
Needle fitted incorrectly. Refer to the needle fitting instructions
on page 8.
Eye of the needle bent or
too sharp.
Try a new needle.
Bent or blunt needle. Throw away all blunt or bent needles and
replace with new needles.
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Material puckers Tensions too tight. See tension adjustment recommendations
on page 15.
Dull needle. Change the needle.
Stitch length too long. Reduce the stitch length.
Machine is noisy
and material is not
fed when stretch
stitches are sewn.
Stitch length control is set
at other than the if; mark.
Set stitch length control at the jfc mark.
Incorrect feeding. Lint in the feed dog. Remove the needle plate and clean lint
from the feed dog.
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