
Each
name
Union
plate.
Special
IDENTIFICATION
machine
is
identified
OF
MACHINE
by a Style
number
which
is
stamped
into
the
Machines
letters.
Style
standard
Parts
For
parts.
description,
39500
can
to
direction,
while
Two
Feed,
System.
Example:
of a machine.
Style
This
catalog
illustrated
clarity,
Opposite
Adjusting
AD.
This
catalog
also
be
seated
Needle,
Trimming
similar
"39500".
identification
is a supplement
in
this
certain
the
and
and
applied
suchas
at
Two
39500
illustration
amount
operating
applies
with
right,
the
machine.
Looper,
Mechanism
in
construction
Example:
to
APPLICATION
catalog
S,
required.
instructions
specifically
discretion,
left,
Four
Letters
"39500
specify
to
Catalog
represent
T,
and U parts
page,
Operating
with
parts
to
to
front,
STYLE
Thread,
Spring
are
grouped
suffixed
AD".
machine
OF
No. 103 U
parts
are
are
included
the
standard
some
Special
back,
etc.,
direction
OF
MACillNE
Overseaming
Pressed
by a Class
to a Class
Letter
is
CATALOG
identified
of
"Special"
not
shown
represent
Style
machines
are
of
Lower
"Z"
and
used
in
taken
handwheel
Machine.
number,
number
is
reserved
construction.
should
in
39500
phantom
by
detail
only
of
machine
ofClass
from
Knife,
which
indicates
as a suffix
be
used
S,
T,
or U machines.
to
help
locate
number,
areas
the
is
away
Intermittent
Automatic
concerned
as
listed
39500.
operator's
from
contains
the
standard
in
conjunction.
39500
part
number,
herein
References
position
operator.
Differential
Lubricating
to
with
no
the
AD
and
39500
before
oil
on
reservoir
magnetic
the
the
on
midway
symbol
AD
house
press
pressure
specification
ratio
setting
CAUTION!
beginning
of a Jaybolt
Machine
front
Machine
Drain
crank
Each
kind
the
needle
For
seaming
dresses,
controlled
plate
up
to 3 to 1 depending
14
per
is
of
machine.
is
filled.
plug
screw
case.
Union
ofshank,
shank,
betweenshankand
which
children's
intermittent
attachment.
512-SSa-1.
inch.
Oil
was
to
operate.
viscosity
filled
is
with
Red
automatically
Check
screw
designed
It
should
Special
point,
denotes
given
and
intermittently
drained
Oil
of
200
oil
at
bulb
oil
daily
is
located
to
accumulate
be
needle
length,
largest
eye.
on
the
wear,
differential
Three
Standard
on
stitch
from
capacity
to
250
spring
on
oil
lubricated.
before
at
back
removed
has
both
groove,
diameter
Collectively,
label
of
gathering operations
ladies'
width
OILING
machine
seconds
cap
level
possible
and
NEEDLES
finishandotherdetails.
undergarments
feed
thread
length.
of
in
No
the
of
cleaned
type and size
all
overedge
of
seam
when
Class
at
top
cover.
indicator
oiling is
morning
machine
forei
of
blad
type and
needles
from
Stitch
395go
100
periodically.
e,
and
left
shipped,
is
Fahrenheit
Oil
should
necessary,
start.
near
gn
materials
number.
measured
size
packaged
on
pajamas,
and
similar
independent
and
reinforcing
needle
range 8 to
so
six
ounces. A straight mineral
level
show
Add
bottom
Thesizenumb
in
numberrepresenttheco
and
swing-out
17/64
20
reservoir
should
is
checked
between
other
oil
as
edge
which
The
type
thousandths of
sold
bathing
articles.
stitch -seam
inch.
per
inch,
must
be
used.
at sig
gau
than
keeping main
required.
of base.
may
hav
numb
er
by
Union Specia
suits,
auxiliary
Gatherin
standard
be fill
ht gau
ge lines
It
e entere
er de
not
, stamp
an inch,
mplete
Kne
is a
e
g
ed
ge
.
d
es
ed
l.
3

NEEDLES
(Continued)
Style
style
shallow
022,
To
a
sample
scription
Size
is
Type
spot,
025,
have
036".
39500
027,
needle
needle,
on
label.
Selection
Thread
should
formation.
use
Success
of
needles
in
by a reputation
manship
Release
(S,
Fig.
ating
socket
about
withdraw
for
1)
and
direction
wrench
1/4
turn.
needles.
more
pressure
AD
uses
154GAS.
long
029,
tapered
032,
orders
or
the
A
complete
of
proper
pass
the
operation
freely
packaged
for
producing
than
swing
until
presser
needles
No. 21388
Again
curved
It
is a curved
point,
036,
040,
promptly
type
and
order
needle
through
of
Union
under
our
highest
three-quarters
CHANGING
on
presser
arm
are
at
AU,
furnished
turn
handwheel
blade
struck
size
size
needle
brand
foot
(H)
their
needles.
blade,
groove,
044.
and
accurately
number
would
read:
is
determined
eye
Special
name,
quality
of a century.
NEEDLES
by
turning
out
of
position.
lowest
with
until
needles
The
standard
chromium
should
"1
000
{n
order
machines
~
needles
presser
point
machine,
standard
length,
filled,
be
Needles,
by
to
can
in
Turn
of
travel.
loosen
are
needle
single
an
plated
empty
in
packag
forwarded.
size
Type
of
154GAS,
thread
produce a good
be
secured
which
materials
foot
release
handwheel
Using
needle
at
their
is
and
hexagonal
clamp
high
position;
in
for
this
groove,
sizes
Use
de -
used.
stit
only
backed
work-
bushing
oper-
nut
e,
ch
by
To
replace
to
the
left,
they
rest
until
holder
arm
{H)
After
up
through
adjustable
tension
hand
and
hole.
on
through
Only
Parts
It
are
will
threading
Before
ating
foot
of
direction
by
turning
position.
insert
against
is
to
position;
threads
back
thread
thread
Then
parts
placed
simplify
lower
beginning
needles,
needles
stop
again
at
come
eyelets.
guide.
guide
wire
thread
thread
involved
in
their
threading
looper
until
needles
presser
leave
pin.
its
re-lock
needle
in
holder,
Keeping
low
point
presser
THREAD
from
then
cones
down
Next.
(A).
down
continues
guide
(B).
in
threading
relative
this
first.
to
thread, swing
foot
upper
(L)
are
release
holder
one
on
needles
of
travel;
foot
STAND
on
thread
through
they
are
threaded
through
between
THREADING
are
shown
positions
machine
looper
cloth
at
high
position.
bushing
at
high
each
in
then
release
stand
front
right
tension
for
to
follow
second,
plate
{S);
position
side
of
this
position,
tighten
bushing
(Z.
Fig.
eyelets
through
hand
discs
in
threading
clarity.
recommended
and
open.
turn
release
and
swing
spacer
nut.
(S).
1).
(Y)
each
hole
(U),
needles
handwheel
pressure
presser
and,
washer,
turn
Return
they
and
pair
and
up
through
diagram
third.
with
the
handwheel
presser
are
brought
through
of
holes
through
slot
(Fig.
sequence
in
on
presser
arm
oper-
(H)
flats
until
the
in
left
{T).
1).
of
out
\
Be
sure
tension
discs
threads,
(U)
and
as
they
in
diagonal
come
from
slots
the
(T)
tension
in
tension
4
thread
posts
guide,
(V).
are
between