SPEED
Maximum operating
speed
after a break-in period is 3000 stitches per minute
depending, of course, on the type of material being sewn, its thickness and
that of seams being crossed. (In case of the machine with reverse lever or
synchronized
binder
2800
r.p.m.)
To assure durability
and
trouble-free
operation,
it is
recommended
that
for
the
first several weeks of operation the maximum speed is held to not more
than 2400 RPM in order to allow the parts to become properly broken in.
in
operation
the
hand
wheel
of
the
machine always turn
toward
the
operator.
OILING
Do not
operate
the machine, even if only for testing, unless it has been
properly oiled at every
spot
requiring lubrication.
The
arrows
on the Figs. 2, 3, 4
and
5 indicate
these
spots.
Oiling must be
done
at least
twice
daily
when
the
machine is in
continuous
operation
to assure free running
and
durability of
the
operating
parts.
The
hook
mechanism should receive careful
attention
when
lubricating
the
machine.
The oil well
beneath
the
hook
should
be filled with oil
and
the
felt
pad
in
the
same
should
be
soaked
with oil. in case of a
new
machine, oil
pad
every
time a
new
bobbin
is inserted.
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