8.
Machine
Core
a. Cleaning
and
Oiling
Careful cleaning and regular oiling increase the service life of the machine
and
ensure smooth running.
When
the machine is delivered to the customer, all polished
parts
are
covered
with a rust-preventative grease. Remove this grease, together with the dust
which has
accumulated
in transit,
before
you put the machine in
operation.'
Also, squirt an ample amount of oil into all marked oiling points, unthread
the needle,
take
out the bobbin case,
and
run the machine to work the oil
into all the bearings. All important oiling points
are
marked by arrows in
Figs. 68 through 70,
and
by drops in Figs. 15 through 18. Wherever feasible,
these oiling points
are
marked
with red
paint
on the machine.
To get at the oiling points in the cylinder arm and the machine base, tip the
belt guard bock, loosen wing nut D
(Fig.
60), swing away catch E, tilt the
machine
over
to the left,
and
rest it on the
wooden
peg.
When the machine is in operation continuously, form the habit of removing
the lint which has
accumulated
in the vicinity of the shuttle,
and
putting a
drop of oil into the shuttle race. Repeat this procedure several times a day.
Run
the mochine with a scrap of material under the work clomp to absorb
all
excess
oil.
W
I
Fig. 68 Oiling points on the back side of the machine
75
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