Union Special 39500MG User Manual
®
INDUSTRIAL
SEWING
FINEST
STYL
39
SOO
QUALITY
E
MG
LEWIS
•
COLUMBIA
MACHINES
CLASS
HI
-S
TYLED
CATALOG
SINGLE
No.
103MG
PLAIN
FOR
PRECLOSED
·
CHICAGO
NEEDLE
FEED SERGING
HIGH
39500
SPEED
TWO
THREAD
MACHINES
TROUSER
CUFFS
(Supplement
Catalog
to
Catalog
INSTRUCTIONS
FOR
No.
103
MG
No.
103
FJ)
ADJUSTING
LIST
Style
CLASS
First
AND
OF
39500
Edition
OPERATING
PARTS
39500
MG
Union
Rights
Reserved
MACHINE
INDUSTRIAL
Printed
Copyright
Special
SEWING
CHICAGO
19
7 2
by
Machine
in
All
Co.
Countr
COMPANY
MACHINES
in
U.S.A.
2
i
es
February,
1972
IDENTIFICATION
OF
MACHINES
Each
the
machine.
numbers
Example:
only
minor
ard
Style
Styles
which
39500".
junction
F J
illustration
and
numbers
ference
listed
It
39500.
from
handwheel
This
are
the
This
can
differs
therewith.
illustrated
number
numbers
in
also
Reference
the
Union
Style
have
"Style
changes
number.
of
machines
from
catalog
will
only,
the
catalog
operator's
second
be
is
away
and
applied
Special
one
39500
Example:
is a supplement
and
be
found a listing
of
should
applies
to
from
machine
numbers
or
more letters
MG".
are
made
similar
the
Style
Only
merely
those
listed
pieces
never
column.
specifically
with
directions,
position
operator.
APPLICATION
required.
indicate
discretion
is
identified
are
classified
suffixed,
Special
in a standard
"Style
number
parts
at
be
while
39500
in
construction
in
to
Catalog
used
the
back
of
the
Numbers
the
used
to
such
seated
in
the
to
by a Style
as
standard
but
Style
that
position
as
numbers
machine, a "Z"
MGZ".
are
it
contains
OF
CATALOG
No.
on
Style
of
this
parts,
ordering
some
with
in
of
standard
Special
right,
at
the
never
contain
grouped
no
103
FJ
39500
catalog.
their
the
first
that
part
parts.
Style
Styles
left,
front,
machine.
number
and
special.
contain
the
is
suffixed
under a Class
letters.
and
should
MG,
Always
of
but
On
the
part
numbers,
column
in
machine
of
back,
Operating
the
on a name
Standard
the
letter
letter
to
Example:
be
used
not
on
page
use
machines
opposite
are
illustration.
the
part
as
listed
etc.,
direction
plate
"Z".
the
number,
Style
description
reference
number
herein.
in
are given
Style
"Z".
When
stand-
"Class
in
con-
39500
the
Re-
Class
on
of
Hi-Styled
Thread
Lower
39500
filled
straight
should
gauge
lines
main
Knife,
MG
are
material.
range
R.
P.M.
CAUTION!
before
be
Machine
on
when
Machine
reservoir
High
Serging
Automatic
Light
folded
4-8 per
beginning to
mineral
used.
is
front
machine
is
Speed
and
Seam
filled
of
automatically
filled.
Single
Machine.
to
medium
similar
specification
inch;
Oil
was
oil
of a Saybolt
with
machine.
is
stationary.
Check
STYLE
Curved
Plain
Lubricating
cam
drained
operate.
oil
Red
Feed,
duty
machine
operations
503-
adjusted
from
viscosity
at
spring
bulb
lubricated.
oil
daily
OF
Blade
Trimming
System.
on
EFd-1;
feed.
OILING
machine
Oil
capacity
cap
on
oil
before
MACHINE
Needle,
for
serging
light,
standard
Maximum
when shi
of
90 to 125
in
top
level
No oili
indicator
ng
the
morning
One
Looper,
Mechanism
around
medium
seam
pped,
of
Class
seconds
cover.
is
Oil
necessary,
One
Spreader,
with
pants
and
heavy
width
recommended
so
39500
level
should
start;
add
Spring
cuff
weight
3/16
reservoir
is
at
100°
is
checked
show
other
oil
Two
Pressed
before
inch;
speed
six
ounces.
Fahrenheit
between gauge
than kee
as
required.
cuffs
trouser
stitch
7000
must
at
sight
ping
be
A
The
oil
It
is a magnetic
have
enter
drain
ed
plug screw
screw
the
crank
is
designed
case.
located
to
It
should
at
back
accumulate
be
remov
3
of
machine
possible
ed
and
near
foreign
cleaned
bottom
materials
periodically.
edge
which
of
base
may
.
NEEDLES
Each
denotes
number,
ed
in
thousandths
size
number
packaged
Class
needle
available
Type
154
sample
on
should
No.
GAS
To
label.
Selection
pass
Union
the
kind
stamped
represent
and
39500
for
Style
of
the
have
needle,
A
complete
freely
Special
of
shank,
on
the
of
an
sold
by
Union
machines
39500
recommended
Round
groove,
sizes
needle
or
of
proper
shank,
022,
orders
the
order
through
needle
point,
needle
inch,
the
complete
Special.
use a curved
MG
is
struck
025,
promptly
type
and
would
needle
needle
has
both
length, groove,
shank,
midway
Type
needle.
round
groove,
027, 029, 032,
size
size
denotes
between
symbol
154
Description
point,
spotted,
and
number
read:
is
determined
eye
in
type
shank
which
blade
GAS.
curved
accurately
should
"1000
order
and
size
finish
largest
is
needle.
Below
and
blade,
chromium
036, 040, 044,
Needles,
by
to
produce a good
number.
and
diameter
and
eye.
given
be
on
The
is
the
Sizes
filled,
forwarded.
Type
size
standard
standard
plated
of
The
other
the
details.
of
blade,
Collectively,
label
recommended
description
length,
and
is
049,
an
thread
154
054,
empty
Use
GAS,
stitch
type
of
used.
numb
The
measur
type
all
needles
and
available
060.
package,
description
Size
Thread
formation.
er
siz
and
sizes
single
in
044".
e
-
a
Success
of
needles
putation
more
Fig.
direction
No.
Again
left,
position,
nut.
through
eyelet.
front
continue
and
than
Release
1)
21388
turn
To
insert
Return
After
to
on
packaged
for
three-
and
until
AU,
handwheel
replace
turn
presser
thread
back
Next
back
between
throu
in
the
producing
quarters
pressure
swing
needle
furnished
needle,
needle
handwheel
comes
hole
it
gh
of
is threaded
and
then
tension
front
operation
under
highest
of a century.
on
presser
presser
is
at
with
until
leave
in
holder
until
arm
(U)
from
thread
through
discs
thread
of
Union
our
brand
quality
CHANGING
arm
its
lowest
machine,
needle
needle
until
holder
to
position
cones
eyelet
through
the
(J),
guide
Special
name
needles
foot
by
(U)
out
point
is
at
high
holder
it
rests
is
again
andre-lock
THREAD
on
cone
(B),
then
the
upper
lower
through
(M).
machines
.~,which
in
materials
NEEDLES
turning
of
position.
of
loosen
position;
at
against
STAND
holes
tension
presser
travel.
needle
high
at
its
presser
support
down
holes
from
Using
position
stop
low
throu
of
post
can
be
secured
and
foot
release
Turn
withdraw
(A, Fig. 1),
tension
back
handwheel
hexagonal
clamp
and,
pin.
Keeping
point
foot
gh
the
to
slot
nut
needle.
of
release
front
thread
front.
(K)
only
is
backed
workmanship
bushing (AG,
in
sock
about
with
the
needle
travel;
it
in
then
bushing (AG).
is
brought
hole
guide
Threads
tension
by
ope
et
wrench
1/4
flat
in
tighten
of
(C)
post
by
use
are
for
rating
turn.
to
the
this
up
thread
from
then
(G)
-
4
m Tension
IJ
Tension
II
Tension
[!]
Tension
IIJ
spring
Nut
Sprin
g Fe
rrul
e
Sprin
g~
Post
Shield .. .
(
~~
~
-SJ
~
~
D Tension
(I
Tension
II
Tension
[i
Tens ion
~
Front
IIJ
(il
Upper
Auxiliary
Looper
Discs
Post
Disc
Thr
Thr
ead Guide
Looper
·.· ·
Slo
~
--
Felt·-..
ead Guide
Thread
Thread
·,
0
Eyelet
Eyelet
~-----
B
Cone Support
m
Presser
Arm
Fig.
- Needle
1
Thread
Pull-off
5
a
Upper
Thread
Upper
Lower
Looper
Tube
Assembly
Looper
Spreader
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