Lubricating the machine – SINGER 7025 User Manual
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Approximately once a year, lubricate all
moving connections, as shown, to ensure
freedom of movement and to protect metal
parts from excessive wear.
To determine which connections move and
need lubrication, turn the handwheel slowly,
by hand, while face plate is removed.
When lubricating, apply only SINGER* oil at
the points shown. SINGER oil is specially
prepared and does not contain harmful
deposits that can interfere with the smooth
action of precision parts,