－
14
－
4. OPERATION OF THE SEWING MACHINE
4-1. Lubrication
Be sure to perform the above 2) and
3) steps when the machine is rst
installed, or when it is run after a
long period of disuse.
3) Remove the top cover, and apply oil to
crank rod oil shield
❹
, front bushing
❺
and intermediate bushing
❻
.
Font bushing Intermediate bushing
2) Apply one drop of oil to hook race
❸
part to
spread on it.
1) Once a day, ll oil from oil hole
❶
on the ma-
chine head up to the red mark in the center of
oil gauge
❷
.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
❹
❺
❻
❸
❶
❷
❷
❶
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