DESCRIPTION
Fig.
2.
X-ray View
of
Class 246K Machine
(Lubricating
System Shown in Solid Black)
Machines
246K42, 246K43
and
246K45 pro-
duce
high
speed
overedging
and
simultaneous
trimming
on
materials
ranging
from lace
to
canvas.
Available
for single
needle
operations,
these
powerful
but
compact
machines
are
capable
of
producing
three
different
overedge
stitches. Stitch
Types
503,
504
and
505.
Adoptable
for
gathering,
stretching or feeding
work
uniformly,
these
machines of Class 246K
e proven themselves
in
an
almost
endless list
o
overedge
operations including serging, .inter-
mittent
gathering,
ruffling, binding, scalloping,
cuffing, side-seaming, yoking, closing, cording,
welting
and
inserting.
GENERAL
CHARACTERISTICS
Curved
needles:
Catalogue #
1265
(151 x 7) regular,
Catalogue
#1263
(151 x 3)
tapered
blade.
Loopers (or looper
and
spreader)
independently
driven,
permitting variations
in
their
adjustment
in
relation
to
each
other
and
to
the
needle, to suit
the
work
required.
Either
left
or
right twist of
thread
may
be used
in
needle
and
in
loopers.
Adiustable
trimmer
cuts cleanly;
operating
in
advance
of
needles. Trimmings
guided
into chip
chute
to
avoid
interference with work
and
with
chanism.
Presser foot
con
be
swung
toward
left
to
facili-
tate
threading
or
replacement
of
needle.
3
Tubular
operation
is
accommodated
by
a
small
"horn"
extension
of
the
throat
plate
support.
Cloth
plate
con
be
swung
to the left
for
con-
venience,
when
stitching
tubular
pieces
or
when
making machine adjustments.
FiHings for Machine 246K42
are
designed
to
retain control
of
thread-chain
as
long
as
presser
foot
is
engaged
with feed dog,
enabling
operator
to
break
the
thread
chain
manually,
without
losing
control
of
chain or distorting the
thread
loops.
Splash lubricating system, shown
in
Fig.
2,
automatically
and
continuously oils
principal
beor-
_ings
during operation.
Oil cooling reservoir
in
rear
of machine.
Oil level indicator
gauge
in
direct
view
of
operator
.
r Oils recommended, see inside front cover.
Machine
pulley 164231 for
3/8
inch V-belt;
also used for
5/16
inch round belt.
Machine pulley should
always
turn
over
away
from
operator
when
machine
is
in
motion.
ACCESSORIES
AND
TOOLS
Foot lifter. Knee lifter supplied ins.
tead,
when
specified on
order
..
Threading
wire
164196.
Tweezers
164204.
Socket
wrench
164197
(for needle
clamping
nut).
Flat,
open-end
wrench
10875
(for
feed
eccentric
nut).
Screwdriver
85318.
Wrench 164831 (for right looper carrier
guide
bar
oil plug screw nut).
Thread u
nwinder
151031 (for two- or
three-
thread).
Thread
unwinder
228705
(two-thread)
or
228706
(three-thread) for nylon
threads
will
be
supplied
instead
of
regular
unwinder, upon
spe-
cific order.
From the library of: Superior Sewing Machine & Supply LLC
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