SINGER 101-12 - Manual (Page 36)

34
HINTS
Machine Working Heavily.
If the machine runs
hard after standing idle for some time, use a little
kerosene in the oihng places, run the machine
rapidly, then wipe clean and oil.
To Avoid Breaking Needles.
See that the presser
foot or attachments are securely fastened by the
thumb screw. Do not sew heavy seams or very
thick goods with too fine a needle. A large needle
and thread to correspond should be used on heavy
work (see page 53).
See that the needle is not bent and avoid pulling
the material when stitching.
Breaking of Needle Thread.
If the needle
thread breaks it may be caused by:
Improper threading.
Tension being too tight.
The thread being too coarse for size of needle.
The needle being bent, having a blunt point,
or being set incorrectly.
Breaking of Bobbin Thread.
If the bobbin
thread breaks it may be caused by:
Improper threading of bobbin case.
Tension being too tight.
Skipping of Stitches.
The needle may not be
accurately set into the needle bar or the needle may
be blunt or bent. The needle may be too small for
the thread in use.