SINGER 631 User Manual
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TO CI.EAN THE MACHINE
Your sewing machine was built to exacting stand
ards of precision and workmanship. Its performance
depends on the care and treatment it rccc!vc.s when
in use and before storing it away.
When in regular use, the machine should bo
doaued periodically to remove the lint and fUiif
which may have accumulated round the working
parts. To clean the bobbin case area, see instruc
tions (or removing and replacing bobbin case on
page.s 95 and 90. Oil the machine after each clean
ing as instructed on pages 9?, 98 and 99.
If Uic machine is to be stored away for an inde-
, finite period of time, a thorough brush-cleaning
to remove all traces of lint and fluff, followed by
swabbing of all exposed parts with a lint-frcc brush
saturated with SINGER* Oil, is necessary to protect
the machine against rust damage. The areas that
should be cleaned and covered witli a protective
coat of oil arc shown in the iihisfration at tlte left.