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4-1. Method of lubrication
(1) Method of circulating lubrication (when the oil collected in the under cover is reused)
(2) Method of non-circulation type lubrication (when only the clean oil is always used)
Periodically (approximately oncein three months) clean theaforementioned lter
sections(fourplaces)inordertousethemachineforalongtime.Whenthelteris
clogged, lubrication trouble will occur and break-down will be caused.
In addition, when the oil becomes dirty, replace the oil gathered in the oil tank and
the under cover.
Put the cap to inlet port for circulation
1
in the
same state as that at the time of delivery, and
securely fix it to the position where it does not
come in contact with the moving section.
* Remove drain screw
2
and dump the oil
which has dropped to the under cover.
When inlet port for circulation
1
comes in contact with the oil
surface, oil is absorbed without
passing the filter. As a result,
break-down will be caused.
Oil tank
Filter for circulation
Urethanlter
Filter for plunger
Plunger
Filter for plunger 2
4. PREPARATION OF THE SEWING MACHINE
1
2
Circulation
Lubrication to hook side
Lubrication
Circulation
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