IDENTIFICATION
OF
MACHINE
Each
the
machine.
numbers
Example:
only
minor
standard
Styles
which
39500
differs
11
•
This
junction
are
illustrated.
parts
with
Numbers
position
ordering
This
herein.
Class
given
of
39500.
from
handwheel
Union
Style
have
"Style
changes
Style
number.
of
machines
from
catalog
therewith.
their
in
the
of
that
parts.
catalog
It
can
also
References
the
operator's
is
Special
machine
numbers
one
or
more
39500
RK".
are
made
Example:
similar
the
Style
APPLICATION
is a supplement
Only
On
the
part
first
part
Always
applies
be
page
numbers.
column
in
the
use
applied
parts
illustration.
specifically
to
position
away
from
operator.
is
identified
are
classified
letters
Special
in a standard
"Style
in
construction
number
to
found
opposite
description
are
reference
the
part
with
discretion
directions.
while
suffixed.
Style
39500
in
that
OF
Catalog
on
Style
the
illustration
Reference
number
to
the
such
seated
by a Style
as
standard
but
numbers
machine.
RKZ".
are
it
contains
CATALOG
No.
103
39500
and
the
numbers
listed
Standard
to
some
as
right,
at
number
and
never
contain
grouped
no
QA
and
RK.
will
number
only.
numbers
in
the
Style
Special
left,
the
machine.
on a name
special.
contain
the
letter
a "z"
is
under a Class
letters.
Example:
should
but
not
on
be
found a listing
of
pieces
and
merely
should
second
of
machine
column.
Styles
front,
Operating
Standard
the
suffixed
be
used
Style
never
of
machines
back,
plate
letter
"Z".
to
number
"Class
in
39500
of
required.
indicate
be
used
as
listed
etc.,
direction
on
Style
"Z".
When
the
con-
QB
the
the
in
in
are
MARK
IV
Thread,
Pressed
cating
39500
System.
RK
warp
general
ments
variable
bite
seam
cam
R.
P.M.
39500
maximum
sewing
operation
50-100%
may
be
necessary
Hi
-Styled
Overseaming
Lower
Knife,
Improved
Light
and
to
ribbed
purpose
which
when
widths.
adjusted
MARK
rated
have
width
crossing
3/32
main
IV
speeds.
knife
may
machine
running
to
High
Machine.
and
Air
medium
knit
fabrics
seaming
varying
shift
elastic,
and
and
machines
Varied
necessitate
reduce
STYLE
Speed
Single
Differential
Variable
Cooling
duty
machine
on
plies
mechanism
lace,
1/8
inch
differential
SPEED
have
cycle
the
machine's
OF
MACHINE
Curved
Width
Knife
Blade
Feed,
Shift
Trimming
System.
for
seaming
of
cotton,
"T"
shirts,
of
etc.
(2.
silk,
material
permits
Seam
38
and
feeds.
or
polo
requiring
quick
specification,
3.
17
Maximum
RECOMMENDATION
been
field
operating
and a longer
tested
in
conditions.
at a lower
than
speed
their
by
Needle,
Mechanism.
light
similar
shirts,
and
weight
panties
an
change
mm);
stitch
recommended
complete
severity
and
speed.
recommended
10-15%.
Two
Looper,
Mechanism
Automatic
medium
synthetics.
and
adjustable
from
narrow
504-SSa-1;
range
stitch
8-30
range
cleanliness
When
operating
stitch
with
weight
similar
bite.
standard
per
speed
at
length,
Three
Spring
Lubri-
flat,
For
gar-
The
to
wide
inch;
8000
their
of
the
from
it
The
MARK
maximumperformance,
mum
recommended
readjustment
IV
is a precision
speed
of
precision
the
machine
for
the
mechanisms.
manufactured
first
should
20
be
days
3
and
tested
operated
of
field
sewing
at
1000
operation.
machine.
R.
P.M.
This
below
will
To
obtain
maxi-
minimize
OILING
CAUTION!
filled
straight
should
sight
gauge
main
when
no
It
have
denotes
number,
in
size
packaged
before
mineral
be
Machine
gauge
lines
Machine
reservoir
To
maintain
operating
case
is a magnetic
thousandths
should
The
oil
entered
Each
the
stamped
number
used.
on
when
is
drain
the
Union
kind
represent
and
sold
Oil
was
beginning
oil
of a Saybolt
is
filled
front
machine
automatically
filled.
maximum
continuously,
oil
screw
crank
Special
of
of
an
of
remain
plug
shank,
on
the
inch,
by
Union
with
machine.
Check
screw
designed
the
drained
to
operate.
oil
is
stationary.
lubricated.
oil
recommended
the
in
machine
is
case.
needle
needle
It
point,
midway
complete
Special.
from
Oil
viscosity
at
spring
Red
daily
oil
must
located
to
accumulate
should
NEEDLES
has
both a type
length,
shank,
between
symbol
machine
capacity
cap
bulb
on
No
before
speed
for
more
at
back
be
removed
groove,
denotes
of
90
in
oil
oiling
the
be
changed
possible
shank
which
when
and
than
of
and
largest
shipped,
of
Class
to
125
seconds
top
cover.
levelindicator
is
necessary,
morning
serviceability
at
one
year.
machine
foreign
and
cleaned
size
finish
and
is
and
diameter
eye.
given
so
39500
Oil
should
start;
least
number.
every
near
on
bottom
materials
periodically.
other
Collectively,
the
reservoir
is
at
100
level
other
add
oil
of
this
six
The
details.
of
blade,
label
si8-
ounces.
Fahrenheit
is
checked
show
than
as
equipment
months.
edge
which
type
measured
of
all
must
between
keeping
required.
of
base.
may
number
The
size
type
and
needles
be
A
at
In
Class
needle
blade,
is
available
To
sample
on
label.
Selection
should
Success
of
needles
putation
more
Fig.
direction
No.
Again
left,
position,
nut.
than
Release
1)
21388
turn
To
insert
Return
39500
for
Style
standard
in
have
needle,
A
complete
pass
freely
in
packaged
for
producing
three
pressure
and
swing
until
AU,
handwheel
replace
needle
turn
presser
machines
39500
length,
sizes
needle
of
the
needle
needle,
handwheel
022, 025,
orders
or
the
proper
through
operation
under
-quarters
presser
is
furnished
until
in
holder
arm
use a curved
RK
is
Type
single
type
and
order
needle
needle
our
highest
of a century.
on
presser
arm
at
its
with
needle
leave
until
(U)
154
GAS.
groove.
027,
promptly
would
of
brand
CHANGING
lowest
needle
until
holder
to
position;
029,
size
size
Union
quality
machine,
read:
eye
foot
(U)
is
it
number
is
name,
out
point
at
holder
rests
is
blade
struck
032,
and
"1000
determined
in
order
Special
needles
by
turning
of
high
again
re-lockpresser
needle.
It
has a round
groove,
036, 040,
accurately
should
Needles,
machines
~
in
NEEDLES
position.
of
travel.
loosen
position;
at
high
against
at
by
to
produce
materials
presser
Using
needle
position
stop
its
low
The
shank,
spotted,
044,
filled,
be
forwarded.
Type
size
can
,
which
foot
Turn
hexagonal
clamp
withdraw
pin.
point
foot
standard
round
chromium
049,
an
of
thread
a
good
be
and
release
handwheel
and,
Keeping
of
release
054,
empty
Use
154
GAS,
stitch
securetd
is
backed
workmanship
nut
about
needle.
with
travel;
recommended
point,
used.
bushing
in
socket
the
needle
then
bushing
curved
plated
060.
package,
description
Size
027".
Thread
formation.
only
by
by a re-
(AG,
operating
wrench
1/4
turn.
flat
to
in
tighten
(AG).
and
a
use
for
the
this
4