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4830 & 4832
Lubricating the machine
Approximately once a year, lubricate all mov-
ing connections, as shown, to ensure free-
dom 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.