Union Special 39500MC User Manual
®
INDUSTRIAL
SEWING
FINEST QUALITY
STYLE
39500
MC
LEWIS
•
COLUMBIA
MACHINES
•
CATALOG
No.
CLASS
HI-STYLED
TWO
OR
HEMMER
DIFFERENTIAL
CHICAGO
HIGH
THREE
OR
FEED
39500
SPEED
THREAD
SERGER
MACHINES
(Supplement
Catalog
to
Catalog
INSTRUCTIONS
FOR
No.
103
MC
No.
103
FA)
ADJUSTING
LIST
First
AND
OF
CLASS
Style
39500
OPERATING
PARTS
39500
MC
Edition
Union
Rights
Copyright
By
Special
Reserved
1969
Machine
in
All
Countries
MACHINE COMPANY
INDUSTRIAL
Printed
August,
1969
SEWING
CHICAGO
in
3
MACHINES
U.S.
A.
Co.
IDENTIFICATION
OF
MACHINES
the
Each
machine.
Union
numbers
Example:
only
minor
dard
Style
Styles
which
3
95
junction
FA
differs
00".
This
are
catalog
therewith.
illustrated
illustration
and
the
number
numbers
ference
ber
listed
This
in.
Class
given
of
handwheel
numbers
It
can
39500.
from
only,
catalog
Special
Style
have
"Style
changes
number.
of
machines
from
will
and
in
the
also
References
the
operator's
is
machine
numbers
one
or
more
39500
are
MC".
made
Example:
similar
the
Style
is a
supplement
Only
and
listed
be
found a listing
of
pieces
merely
should
second
applies
be
away
never
column.
specifically
applied
from
is
identified
are
classified
letters
Special
in a standard
"Style
in
construction
number
APPLICATION
to
those
parts
at
the
of
required.
indicate
be
with
to
directions,
position
the
used
discretion
while
operator.
suffixed,
Style
39500
in
that
Catalog
used
back
the
of
parts,
Numbers
position
in
ordering
to
the
such
seated
by a Style
as
standard
but
numbers
machine~
MCZ".
are
grouped
it
contains
OF
CATALOG
No.
103
on
Style
this
39500
catalog.
with
in
of
that
their
the
parts.
standard
to
as
some
right,
at
the
Style
number
and
never
contain
a
"Z"
no
letters.
FA
and
MC,
On
part
first
part
Always
of
Special
left~
machine.
on a name
special.
contain
the
is
suffixed
the
letter
Standard
"Z".
to
under a Class
Example:
should
but
the
numbers~
column
in
the illustration.
machine
Styles
front~
be
not
page
use
as
of
back,
used
on
opposite
are
the
listed
machines
Operatin
plate
Style
letter
"Z".
When
the
stan-
number,
"Class
in
con-
Style
39500
the
description
reference
Re-
part
num-
here-
etc.,
g di
are
rection
on
in
Hi-Styled
Thread
Trimming
System.
39500
MC
thread
cotton~
505
inch.
Maximum
CAUTION!
filled
before
straight
should
be
Machine
sight
gauge
gauge
lines
Machine
main
reservoir
High
and
Two
Mechanism
Light
blind
flat
EFd-1.
Stitch
beginning
mineral
used.
is
on
when
is
Speed,
Looper
Single
Three
with
to
medium
hemming
and
ribbed
Standard
range 8 to
recommended
Oil
was
drained
to
oil
of a Saybolt
filled
front
with
of
machine.
machine
automatically
filled.
Check
STYLE
Curved
Thread
Spring
duty~
or
serging
knit
seam
30
per
speed 7 000
from
operate.
viscosity
oil
at
spring cap
Red
is
stationary.
lubricated.
oil
daily
OF
Blade
Pressed
two
way
small
materials.
width
for
inch.
OILING
machine
Oil
bulb
before
MACHINE
Needle~
Over
seaming
Lower
combination
diameter
hemming
Cam
R.
P.M.
capacity
of
2 00
in
on
oil
No
oil
the
One
Knife,
Seam
specifications
1 I 8
adjusted
when
top
shipped~
of
Class
to
250
cover.
level
ing
is
morning
Looper-One
Machine.
Automatic
machine,
light
weight
inch
main
and
39500
seconds
Oil
indicator
necessary,
start;
Differential
for
rayon~
503
and
for
different
so
reservoir
is
si?E,
at
100
level
should
other
add
oil
Spreader
Lubricatin
two
or
s
ilk,
EFc-1~
sergin
ial
must
ounces.
Fahrenheit
is
checked
show
between
than
keepin
as
required.
Two
Feed~
g
three
wool~
or
g 3 I
16
feeds.
be
A
at
g
The
oil
It
is a magnetic
have
entered
drain
the
plug
screw
crank
screw
designed
case.
is
located
It
to
accumulate
should
at
back
be
4
of
machine
possible
removed
foreign
and
near
cleaned
bottom edge
materials
periodically.
of
which
base.
may
NEEDLES
Each
denotes
number,
in
thousandths
size
number
packaged
Class
needle
for
available
Type
154
sample
on
No.
GAS
To
label.
have
needle,
Selection
should
pass
Success
of
needles
reputation
more
than
Union
the
kind
Special
of
stamped
of
represent
and
sold
39500
machines
Style
of
the
recommended
Round
struck
025, 027,
needle
or
A
complete
of
proper
freely
in
the
packaged
for
producing
three-quarters
shank,
on
the
an
inch,
the
by
Union
39500
shank,
groove,
029,
orders
the
type
order
through
operation
under
needle
has
point,
needle
shank,
midway
complete
Special.
use a curved
MC
is
Type
needle.
round
point,
spotted,
032, 036,
promptly
and
size
would
needle
size
needle
of
Union
our
brand
highest
of a century.
both
type
length,
groove,
denotes
between
symbol
blade
154
GAS.
Description
curved
chromium
040, 044, 049,
and
number
read:
is
determined
eye
in
Special
name,
quality
needles
and
largest
shank
which
needle.
Below
blade,
plated
accurately
should
"1
000
Needles,
order
to
machines
~
size
finish
number.
and
other
diameter
and
is
and
eye.
given
The
is
Sizes
Collectively,
on
the
standard
the
description
standard
and
is
available
054.
filled,
be
forwarded.
Type
by
size
of
produce a good
can
be
.
in
materials
The
details.
of
blade,
label
length,
an
empty
Use
154
GAS,
thread
stitch
secured
which
and
workmanship
type
number
The
measured
type
of
all
needles
recommended
and
sizes
single
in
groove,
sizes
package,
description
Size
used.
027".
Thread
formation.
only
by
is
backed
by
size
and
022,
a
use
a
for
Release
Fig. 1 or
direction
No.
21388AU,
Again
left,
To
insert
turn
replace
position,
nut.
Return
(AG).
After
up
through
thread
thread
back,
is
threaded
eyelet.
are
and
through
to
front.
post
slot
pressure
1A)
and
until
handwheel
needle
turn
presser
thread
the
threaded
then
through
the
middle
All
(K)
swing
needle
is
furnished
needle,
in
handwheel
comes
back
hole
Next,
through
through
the
hole
threads
in
tension
on
presser
presser
at
its
until
leave
holder
until
arm
from
of
the
the
lower
upper
from
then
post
CHANGING
arm
lowest
with
machine,
needle
needle
until
holder
(U)
to
cones
thread
upper
the
upper
hole
front
continue
(G)
foot
by
(U)
out
point
is
at
high
holder
it
rests
is
position
THREAD
on
cone
eyelet
looper
hole
hole,
of
to
from
the
back
between
and
on
NEEDLES
turning
of
position.
of
travel.
loosen
position;
at
high
against
again
and
at
re-lock
STAND
support
(B),
thread
of
tension
back
tension
and
then
the
through
presser
needle
position
stop
its
low
(A,
then
(505
to
front.
thread
through
tension
eyelets
foot
Turnhandwheel
Using
hexagonal
clamp
withdraw
and,
pin.
point
Keeping
of
presser
Fig.
down
1
through
STITCH
thread
guide
The
guide
(C)
the
discs
in
front
release
nut
needle.
with
travel;
foot
release
or
1A)
the
only)
(C)from
lower
from
lower
(J),
through
thread
bushing
in
socket
about
the
needle
then
it
front
and
looper
back
hole
operating
wrench
1/4
turn.
flat
to
in
tighten
bushing
is
brought
hole
the
needle
front
thread
to
front,
from
back
tension
guide
(AG,
the
this
of
to
(M).
NOTE:
Refer
to
Fig.
1
for
threading
503
stitch
stitch.
5
or
Fig.
1A
for
threading
505
li]
Tension Nut
~~
Tension
II
Tension Spring
[!]
Tension
IIJ
spring
Spring
Post
Shield _
Fer~
---,~/
nlh~l\d:\\
~~
Thread
Eyelet
O Tension
P!.ll
Tension
..
II
Tension
f1J
Front
I:J
Lower
Discs
Post
Disc
Thread
Looper
< .
Slot .
••.
Felt
Thread
'......
. ..
--~;:::.:"
·-~"">"
. j
~~~
Presser
Release
0
Foot
Bushing
BJ
D)
Fabric
Presser
Fig.
Guard
1
6
......
Top
Needle
Upper
Thread
Cover
Thread
Looper
Tube
Assembly
Eyelet
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