INDUSTRIAL
SEWI N G
®
FINEST QUALITY
STYLES
39500QS
39500QT
39500RD
39500RL
39500RT
MACHINES
/1)?
(
~
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(j
39500TJ
39500TK
39500TM
39500TT
CATALOG
No.
103QS
CLASS
MARK
IV
39500
HIGH
OVERSEAMERS
WITH
INTERMITTENT
DIFFERENTIAL
DIFFERENTIAL
SPEED
OR
FEED
UNION SPECIAL C
CHICAGO
ORPOR
AT
ION
Here
are
Oil
for
Specifications
Union
Sewing
Specification
roleum
mended
machines.
roleum
white
1.
mount.
roleum
high
mitters.
3.
used.
UNION
oil,
for
Specification
oil,
or
with a maximum
For
use
Specification
oil,
viscosity
Specification
quality
It
Where
Is
No.
SPECIAL
viscosity
all
viscosity
where freedom from
grease
similar
3 grease is
SPECIFICATION
Viscosity
Flash
Pour
Color
Neutralization No. (Max.)
Viscosity Index
(D
C
ompounding
Copper Corrosion
*Anline
*Used
S.S.U.
(Min.)
(Max.)
A.S.T.M
& D Min.)
No.
with
Buna N
174
100
oiling
175
100
87
300
100
for
to
commercial
NO.
at
100°F
. (Max.) 3 1 3
(Max.)
Rubber
Special
Machines
specifies a high
seconds
applications
specifies a high
seconds
A.S.T.M.
oil
specifies a high
seconds
use
not
at
specifies a general purpose
in ball bearings and trans-
obtainable,
174 175 87
90-125 90-125 300-350
350 350
20
0.10
85
None
lA
1 75-225 l 75-225 1 75-
"O"
Retainers
at
100°F.
on
at
l00°F.,
color
staining
100°F.
N.L.G.I.
No. 2 may
20
0.
85
None
quality
Recom-
high speed
quality
water
number
is
quality
, grease
350
10
0.
Non
IA
pet-
pet-
of
para-
pet
No.
be
20
10
85
IA
225
-
e
NOTE
1:
The
use
meeting above class
essential. These
1.
2. Rust
3.
4.
5.
These additives
and
not
separate.
NOTE
2:
not
shall
1.
2. Tackiness
3. Lead soap additives
4.
may
Oxidation
inhibitors
Lubricity
Anti
Film
removable
Oils
be
Extreme
Detergents
additives
-oxidants
strength additives
must
containing
used
at
pressure
or
l!NION SPEC
IIH
III
OUAUIY
CORPORATION
of
non-corrosive additives
ification
include:
inhibitors
be
by wick
any
adhesive additives
is desirable
completely
the
time:
additives-corrosive
soluble in the oil
feeding
follow
ing
IAi,
nor
shall they
typ
e additives
but
in
oils
not
Catalog
No.
INSTRUCTIONS
FOR
103
QS
ADJUSTING
39500
39500
39500
QS
39500
LIST
QT
RD
First
AND
OF
CLASS
Styles
RL
39500
OPERATING
PARTS
39500
39500
39500
TT
Edition
39500
39500
RT
TJ
TK
TM
October,
1978
Rights
Union
Reserved
Copyright
Special
©
By
Corporation
in
All
1974
Countries
UNION SPECIAL CORPORATION
INDUSTRIAL
Printed
SEWING
CHICAGO
in
3
MACHINES
U.S.A.
IDENTIFICATION
OF
MACHINES
Each
on
the
machine.
Style
numbers
Example:
only
minor
ard
Style
Styles
which
differs
39500".
This
herein.
Class
given
of
handwheel
It
39500.
from
MARK IV
Three
ential
or
Feed.,
Lubricating
UNION
have
"Style
changes
number.
of
machines
from
catalog
can
also
References
the
operator's
is
away
Hi-Styled
Four
Thread
Trimming
System.,
SPECIAL
Style
39500
one
are
numbers
or
QS ".
made
Example:
similar
the
Style
applies
be
applied
from
High
Overseaming
Mechanism
Improved
machine
more
is
are
classified
letters
Special
in a standard
"Style
number
39500
in
construction
in
APPLICATION
specifically
with
to
directions
position
discretion
while
operator.
STYLES
Speed.,
One
Machine
with
Air
Cooling
identnied
suffixed,
Style
machine,
QSZ
that
OF
to
the
..
such
seated
OF
MACHINES
or
Two
Spring
System.
by a Style
as
numbers
11
•
are
it
contains
CATALOG
standard
to
some
as
right., left.,
at
Curved
..
Differential
Pressed
standard
but
never
contain
a
"Z
grouped
no
Styles
Special
the
machine.
Blade
number
and
on a name
special.
contain
the
II
is
letter
suffixed
under a Class
letters.
of
Example:
machines
Styles
front
..
back.,
Operating
Needles
or
Intermittent
Lower
Knife
the
letter
"Z
to
of
machines
..
Two
..
plate
Standard
"Z
".
".
When
the
stand-
number
"Class
as
listed
etc
...
are
direction
Looper.,
Differ-
Automatic
in
39500
QS
and
dresses.,
press
separate
length.
mm);
Maximum
39500
QT
and
dresses.,
press
pressure
on
inch
feeds.
39500
RD
intermittently
aprons.,
trolled
plate
length.
17
/64
differential
Single
needle
intermittently
aprons.,
controlled
top
and
Seam
stitch
range.,
recommended
Single
needle
intermittently
aprons.,
controlled
plate
stitch
(4. 76
length.
mm);
Maximum
Two
needle
lingerie.,
tandem
attachment
Seam
inch
(6.
feeds.
three
gathering
lingerie,
tandem
bottom
plies.
specification,
8-20
speed
three
gathering
lingerie,
tandem
attachment
Seam
stitch
specification.,
range.,
recommended
four
thread.,
gathering
or
smocks.,
intermittent
for
shirring.
specification.,
75
mm);
stitch
Maximum
thread.,
or
medium
shirring
smocks.,
intermittent
Gathering
504-SSa-1;
per
inch;
6000
thread.,
or
medium
shirring
smocks.,
intermittent
for
shirring.
8-2 0 per
speed
medium
shirring
nightgowns
differential
Gathering
512
-SSa
range
recommended
on
nightgowns
differential
standard
cam
adjusted
R.P.M.
on
nightgowns
differential
Gathering
504-SSa-1;
inch;
6000
to
heavy
on
woven
and
feed.
ratio
-1;
standard
..
8-20
to
heavy
woven
ratio
to
up
heavy
woven
cam
R.P.M.
duty
and
knit
similar
Independent
up
per
speed
duty
and
and
feed.
machine,
knit
similar
Slotted
materials
garments.
presser
to 3 to 1 depending
width
main
and
feed.
standard
adjusted
of
seam
and
duty
and
machine.,
knit
similar
Independent
ratio
up
main
machine.,
materials
garments.
differential
materials
garments.
to 3 to 1 depending
width
and
for
such
Knee
swing-out
to 3 to 1 depending
width
inch;
6000
of
seam
cam
R.P.M.
from
adjusted
for
seaming
on
1/8
inch
for
seaming
swing-out
of _seam
differential
seaming
as
dresses.,
press
pressure
on
left
main
such
Knee
foot
stitch
(3.17
feeds.
such
Knee
3/16
and
con-
stitch
needle
and
as
to
as
4
STYLES
OF
MACHINES
(Continued)
39500
intermittently
aprons,
tandem
ment
specification,
(6.
Maximum
39500
39500
RT
intermittently
fabrics
controlled
stitch
Gathering
504
10-20
speed
TJ
parts,
ments.
sweaters
Thumbscrew
width
and
RL
Two
lingerie,
intermittent
for
75
mm);
Single
where a 3/32
tongue.
EFe-1
per
6000
Single
for
Can
of
seam
differential
needle
shirring.
stitch
recommended
needle
tandem
ratio
inverted;
inch;
R.
needle
seaming
be
and
four
gathering
smocks,
differential
Gathering
512-SSa-1;
range,
gathering
intermittent
Independent
up
to
cam
P.
M.
three
bulky
used
similar
adjustable
1/8
inch
feeds.
thread,
or
8-20
speed
three
adjusted
for
thread,
or
inch
2. 5 to 1 depending
standard
thread,
knit
attaching a reinforcing
garments;
differential
(3.17
Maximum
medium
shirring
nightgowns
feed.
ratio
standard
shirring
(2.
swing-out
main
mm);
up
per
inch;
5500
medium
38
mm)
differential
width
and
medium
sweaters,
tape
feed.
stitch
recommended
on
R.P.M.
on
to
heavy
woven
and
similar
Independent
to 5 to 1 depending
width
of
automatically
of
cam
to
all
types
turned
feed.
pressure
on
seam
differential
to
heavy
Se.
am
range,
duty
and
knit
garments.
swing-out
seam
adjusted
heavy
down
stitch
3/32
heavy
from
duty
of
cotton,
hem
Presser
plate
length.
inch
feeds.
duty
knit
outerwear
tape
used
guided
specification,
8-20
speed
machine,
materials
Knee
pressure
on
left
main
per
6000
and
machine,
dacron,
is
desired.
foot
attachment
Seam
(2.
38
Maximum
machine
on
by
inch;
R.P.M.
for
seaming
such
as
press
plate
stitch
has a short
mm);
shoulder
slot
504-SSa-1;
length.
needle
differential
with
and
cam
17 /
for
seaming
rayon
Knee
for
specification,
stitch
recommended
straight
similar
in
presser
adjusted
and
dresses,
controlled
attach-
Seam
64
inch
feeds.
and
and
silk
press
curler
shirring.
range,
knife
gar-
seams
standard
of
foot.
main
39500
39500
39500
TK
ions
undergarments,
materials
both
differential
left
and
TM
intermittently
aprons,
tandem
ment
specification,
8-20
speed
TT
intermittently
aprons,
tandem
ment
specification
8-20
speed
Two
needle
on
coat
linings,
of
needles.
feeding.
needle
differential
for
per
for
per
17/64
Single
5500
Single
6000
needle
lingerie,
intermittent
shirring.
inch;
R.P.M.
needle
lingerie,
intermittent
shirring.
504-SSa-1;
inch;
R.
four
thread,
pockets~
and
similar
cotton,
Thumbscrew
feeds.
gathering
504-SSa-1;
cam
gathering
cam
P.
wool,
Seam
inch
(6.75
three
smocks,
differential
Gathering
adjusted
three
smocks,
differential
Gathering
adjusted
M.
Maximum
medium
bathing
garments
silk
adjustable
specification,
mm);
thread,
or
shirring
nightgowns
ratio
standard
main
thread,
or
shirring
nightgowns
standardwidthof
main
suits,
and
synthetics.
stitch
recommended
medium
on
feed.
up
width
and
medium
on
and
feed.
ratio
Independent
up
and
to
heavy
house
of
medium
feed
which
514-SSa-1;
range,
to
woven
and
similar
Independent
to 5 to 1 derending
of
seam
differential
to
woven
similar
to 3 to 1 depending
seam
differential
duty
dresses,
Upper
allows
6-20
speed
heavy
and
3 16
heavy
and
garments.
3/16inch
machine
to
heavy
standard
per
6000
duty
knit
materials
garments.
swing-out
inch
feeds.
duty
knit
materials
swing-out
feeds.
children's
weight
looper
either
width
inch;
R.
machine,
Knee
pressure
on
stitch
(4.
76
Maximum
machine,
Knee
pressure
on
stitch
(4.76
Maximum
for
seaming
thread
reverse
cam
P.
M,
for
such
press
mm);
for
such
press
mm);
operat-
wear,
woven
is
of
adjusted
seaming
as
plate
length.
stitchrange
recommended
seaming
as
plate
length.
stitch
recommended
ladies
knitted
caught
or
forward
seam
controlled
from
main
and
dresses,
controlled
attach-
Seam
and
dresses,
attach-
Seam
range,
by
39500
maximum
operation
machine
sary
to
MARK IV
rated
may
running
reduce
machines
speeds.
necessitate
cycle
the
and a longer
machine's
SPEED
have
Varied
operating
speed
RECOMMENDATION
been
field
than
by
tested
conditions,
at a lower
recommended
10-15%.
5
in
their
severity
speed.
stitch
complete
and
cleanliness
When
operating
length, it
stitch
range
of
from
may
at
their
the
sewing
50-100%
be
neces-
The
MARK
IV
is a precision
maximumperformancea
mum
readjustment
recommended
of
precision
speed
SPEED
the
machine
for
mechanisms.
RECOMMENDATION
manufactured
should
the
first
2 0
days
and
be
operated
of
OILING
(Continued)
tested
at
field
operation.
sewing
1000
R.P.M.
machine.
below
This
will
To
obtain
maxi-
minimize
CAUTION!
filled
A
should
before
straight
be
Machine
sight
gauge
gauge
lines
Machine
main
when
no
It
have
reservoir
To
maintain
operating
case
The
should
oil
is a magnetic
entered
Each
deontes
the
number,
in
thousandths
size
number
packaged
beginning
mineral
used.
is
on
front
when
is
continuously,
oil
drain
the
UNION
kind
stamped
of
represent
and
sold
Oil
was
drained
to
operate.
oil
of a Saybolt
filled
machine
with
of
machine.
is
automatically
filled.
Check
maximum
remain
plug
screw
crank
in
screw
designed
case.
SPECIAL
of
shank,
on
the
an
inch,
by
Union
needle
the
point,
complete
from
Oil
machine
capacity
viscosityof
oil
at
spring
Red
bulb
stationary.
lubricated.
oil
daily
before
recommended
the
oil
must
machine
is
located
to
It
should
for
accumulate
NEEDLES
needle
has
both
length,
shank,
midway
between
symbol
Special
•
cap
on
No
speed
be
more
at
back
be
removed
type
groove,
denotes
whichis
when
of
Class
90
to
in
top
oil
level
oiling
the
morning
and
changed
than
of
machine
possible
and
finish
largest
shank
shipped,
39500
125
cover.
is
seconds
Oil
indicator
is
necessary,
start;
serviceability
at
least
one
year.
near
foreign
and
cleaned
size
number.
and
other
diameter
and
eye.
given
Collectively,
on
the
so
reservoir
eight
should
add
every
bottom
at
100°
level
other
of
to
oil
this
six
nine
is
show
than
as
edge
materials
periodically.
The
type
details.
of
blade,
label
of
must
ounces.
Fahrenheit
checked
between
keeping
required.
equipment
months.
of
base.
which
may
number
The
size
measured
type
all
and
needles
be
at
In
Class
needle
while
numbers,
Type
154
No.
GAS
for
the
standard
description
39500
Styles
Round
struck
055/022,
110/044, 125/049, 140/054,
154
GBS
Round
struck
070/027, 075/029,
To
have
sample
on
needle,
label. A complete
Selection
should
pass
freely
machines
39500
needle
or
of
proper
QS,
needle
and
use a curved
QT, RD,
for
Style
sizes
39500
available
blade
RL,
RT
of
Description
shank,
groove,
round
spotted,
point,
curved
chromium
065/025, 070/027, 075/029,
150/060.
shank,
groove,
round
spotted,
point,
curved
chromium
080/032.
orders
the
type
order
through
promptly
and
would
needle
needle
size
read:
size
number
is
eye
and
"1000
determined
in
order
6
needle.
TJ,
TK,
is
Type
the
recommended
and
blade,
plated
blade,
plated
accurately
should
Needles,
to
The
standard
TM
and
TT
154
GBS.
Below
needles.
Sizes
standard
and
length,
is
080/032, 090/036,
standard
filled,
be
forwarded.
Type
by
size
length,
and
154 GAS,
of
is
an
thread
produce a good
recommended
is
Type
are
single
available
double
available
empty
Use
Size
used.
stitch
154
GAS,
the
type
groove.
in
sizes
100/040,
groove,
in
sizes
package,
description
070/
027
Thread
formation
a
11
•
•
NEEDLES
(Continued)
Succesa
use
of
needles
reputation
more
than
Release
Fig. 1 or
ting
direction
wrench
turn.
left.
Again
To
replace
insert
position.
nut.
Return
After
through
eyelet.
front
that
Next
to
the
through
third
through
tension
front
thread
in
the
packaged
for
producing highest
three-quarters
pressure
lA)
and
until
No.
21388
turn
handwheel
needle.
needle
turn
handwheel
presser
thread
back
back
lower
the
discs
hole
it
is
and
looper
upper
the
(J),
lower
guide
operation
on
swing
needle
AU.
furnished
in
holder
arm
comes
of
thread
threaded
then
through
thread
hole
back
hole
through
(M).
of
UNION
under
our
of a century.
CHANGING
presser
presser
is
at
its
until
leave
needle
until
until
(U)
holder
to
position;
THREAD
from
cones
eyelet
through
the
is
threaded
to
front,
back
to
tension
brand
quality
foot
arm
lowest
with
needle
holder
it
rests
is
STAND
on
(B).
the
lower
second
front.
post
SPECIAL
name.~®·
needles
NEEDLES
by
turning
(U)
out
point
machine.
is
at
at
against
again
re-lock
(504
cone
then
upper
holes
through
through
All
slot
in
of
position.
of
loosen
high
high
at
its
presser
STITCH)
support
down
holes
from
the
three
(K)
in
machines
materials
presser
travel.
needle
position;
position
stop
low
pin.
point
(A.
through
of
tension
back
tension
the
middle
threads
tension
can
foot
Turn
Using
withdraw
and.,
Keeping
of
foot
release
Fig. 1 ).
the
thread
to
front.
thread
hole
then
post
be
secured
which
and
release
is
workmanship
bushing
handwheel
hexagonal
clamp
nut
needle.
with
the
needle
travel;
bushing
it
is
front
hole
guide
It
should
guide
front
continue
(G)
and
only
backed
in
opera-
socket
about
flat
to
in
then
tighten
(AG).
brought
of
thread
(C)
be
noted
(C
).
to
back
between
on
through
by
by
for
(AG.
1/4
the
this
up
from
first
and
the
a
After
are
threaded
the
middle
come
through
holes
back
post
to
slot
NOTE:
refer
Only
lA).
Parts
It
quence
third.
The
the
threading
Fig.
to
1.
the
thread
from
the
of
tension
front.
(K)
Refer
to
Fig.
parts
will
of
threading
threading
The
right.
comes
through
bar
and
the
cones.
two
outside
thread
The
in
tension
to
Fig. 1 for
lA
for
involved
are
placed
simplify
of
two
additional
THREAD
from
the
back
through
through
holes
guide
threads
post
threading
in
in
their
the
threading
lower
in
looper
Fig. 1 and
needle
needle
STAND (512 AND
cones
bar
of
the
center
holes
of
the
(C)
front
continue
(G)
and
threading
Styles
threading
relative
of
first.
Fig.
threads
in
Fig.
on
cone
the
of
front
to
between
on
Styles
39500
support
thread
holes
the
middle
bar.
back
through
39500
RD,
of
Next
and
the
front
THREADING
are
shown
positions
these
in
lA
upper
lA
Fig.
moves
machines
looper
are the
lA
as
the
514
(A,
eyelet
the
front
bar
it
then
tension
thread
QS,
RL
and
in
threading
for
clarity.
to
same.
compared
lower
STITCH)
Fig.
lA),.
(B)
from
bar.
from
is
threaded
through
discs
guide
QT,
RT,
TK.
follow
second.
the
to
looper
the
back
The
back
to
through
the
lower
(J).
through
(M).
TJ,
diagrams
the
recommended
and
needle
only
difference
one
needle
thread
needle
to
front.
looper
front
the
holes
TM
and
(Fig. 1 and
or
thread
tension
threads
under
threads
and
then
upper
from
tension
TT,
se-
needles
will
post
or
be
in
7
THREADING
(Continued)
Before
direction
turning
Be
the
tension
should
different
Fig. 1 or
1
or
off
guide
the
looper
1
or
thread
both
in
assembly
tube
thread
be
Double
lA)
(AF).
(T).
way
can
Thread
lA).
through
eyes
front
assembly
through
beginning
until
presser
sure
the
discs
positioned
threads
end
lA).
from
Lead
Turn
to
the
be
upper
Turn
of
upper
of
looper
(AA
)g
needle
foot
release
threads,
(J)
and
as
indicated
of
thread
Then
right
thread
left;
threaded
to
handwheel
then
looper
handwheel
auxiliary
looper
thread
lead
(AA).
upper
to
thread,
(X)
in
so
the
lead
left.
behind
thread
easily
thread
thread
Pull
looper
is
in
bushing
as
they
tension
tension
in
TO
THREAD
and
lead
it
through
NOTE:
fabric
in
operating
through
if
TO
THREAD
thread
until
looper
pull-off
under
thread
eye
swing
high
come
Fig. 1 and
tweezers
through
point
thread
eyelet
from
position,
(AG),
post
post
it
through
both
Thread
guard
of
(N)
(AF).
neck
out
cloth
from
both
bottom
front
plate
and
the
slot
(K)
slot
will
lA.
LOWER
the
eyes
direction
UPPER
upper
eyelet
from
After
of
(S)
are
left
top
of
must
and
eyes
in
eyelet
cover
to
open,
release
swing
tension
in
tension
be
LOOPER
right
lower
pass
through
until
from
left
LOOPER
looper
(P)
from
left
to
pulling
of
tube;
back.
turn
pressure
presser
thread
at
the
eyelet
looper
in
front
hole
heel
left
hand.
of
front
(W)
back
right.
up
casting
push
handwheel
on
arm
(U)
guide
post
(G).
approximate
of
front
thread
of
looper
of
frame
of
lower
to
right.
thread
is
all
to
NOTE:
upper
and
tube
Left
the
front,
Thread
looper
down
down,
presser
out
(C
),
The
tension
angle
thread
eyelet
thread
looper
looper
eye
guide
way
then
through
in
operating
of
position.
are
between
guide
(R,
(V)
of
(M,
left.
through
must
thread
then
foot
posts
for
the
(M,
Fig.
pull-
thread
is
all
lower
Fig.
Lead
pass
tube
thread
insert
by
CAUTION!
ing
from
Thread
Fig. 1 or
est
position.
needle
hole
THREAD
regulated
threads
rmation.
PRESSER
ly
or
lock
ing
pressure,
been
position
(.
79
locking
thread
or
The
Sufficient
should
decrease
nut
screw
properly
to
1. 59
nut
tube
assembly
needle
lA).
holes
TENSION
amount
by
should
FOOT
be
(A,
Turn
Insert
eyelet
in
tension
presser
maintained.
amount
Fig.
has a right
loosening
set,
locking
mm)
(C
).
Be
sure
thread
handwheel
needle
(AD),
top
cover
of
tension
nuts
be
only
enough
PRESSURE
foot
of
2)
and
hand
decreases
tighten
nut
(C)
from
the
upper
to
upper
TO
through
thread
under
needle
on
(D,
pressure
Should
pressure
turn
adjusting
thread
lock
so
that
top
looper
looper
THREAD
middle
in
operating
or
neck
thread
needle
Fig.
to
secure
it
be
on
so
pressure.
nut
its
under
surface
thread
eye.
THE
eyelet
direction
threads
of
top
eyelet
and
looper
1
or
lA).
proper
to
feed
work
necessary
presser
screw
tightening
When
(A).
With
surface
of
adjusting
is
under
NEEDLE
or
from
cover
threads
Tension
stitch
uniform-
to
foot,
(B).
increases
pressure
presser
is
lower
eyelets
until
right
casting;
(AC).
increase
loosen
Adjust-
approximately 1 /32
screw
looper
of
needle
to
left,
Thread
is
on
fo-
adjusting
foot
(B).
front
through
and
then
needle
I
resting
Set
thread
(X)
when
thread
is
at
both
down
from
Fig.
screw
on
throat
to 1 /16 inch
cap
(D)
pass
guide
its
high-
eyes
through
front.
2
(B)
plate,
against
-
(M,
of
has
8
li]
Tension
(I
Tension Spring Fe
II
Tension Spring
[!]
Te
nsion
ll)
spring
n
Tension
(3
Tension
n
Tension
[i
Tension
Shield ...
Nut
Post
~
Discs
Post
Slot.·
Disc
Felt·-._
Thread
----/
-:-
.:--_
·. --.
Guide
rrule
~·
-:
---
I
~
~"~
--
m Thread
ltcr..'\\
Eyelet
------
B Cone Support
mJ
Front
rmUpper
(I
Auxiliary
l3
Lowcr Loop er
m Fabric Guard
D
Framc
Thread
m
Presser
Thread
Looper
Looper
Looper
Guide
Arm
Guide
Thread
Thr
Thread
Bracket
----
Eyel
ead
Eyel
et
Eyelet
et
Needle
Thread
~
Upper
m
Lower
Top
Thread
Upper
Tube
Looper
Looper
Cover
Eyelet
Loop er
Assembly
504
STITCH
FOR
STYLES
39500
QS,
QT,
RT,
TJ,
TM
and
9
TT
Fig.
1
li]
lj
IJ
[!]
ll)
Tension
Tcnsion
Tcnsion
T
nsion
sprin
g Shield
Nut
Spring
Spring
Post
Fer
~
--f.J.-ITT~
~
Q.
'\1
O Tcnsion
13
Tension
n
Tension
Discs ·----.
Post
Slot ·.
Disc
Felt
lfl
Upper
(I
Auxiliary
i:9
Lower
D
Frame
Thread
m
Presser
FOR
Looper
Looper
Looper
Guide
Arm
512
STYLES
514
FOR
STYLE
Thread
Looper
Thread
STITCH
39500
STITCH
Eyelet
Thread
Eyelet
RD
39500
Eyelet
and
TK
RL
Needle
Thread
~Upper
m
Lower
Fig.
Top
Upper
Looper
Looper
lA
Cover
Thread
Looper
Tube
Eyelet
Assembly
10
FEED
ECCENTRICS
Feed
eccentrics
approximately
feed
Style
ploded
39540
of
stitches
eccentric
B-4.
obtainable
39500
views
Generally
of
stitches
give
the
produced;
proper
Following
5,
6,
7,
BM
40.
Only
be
ordered
suffixed
chip
suggested
two
to
Before
guard,
separately.
indicate
assembling
sequence:
14
is
No.
Minor
QS
will
in
catalog
speaking,
differential
stitch
9,
10.
eccentrics
ASSEMBLING
upper
used
stitches
in
per
39540
numbers
when
be
using
shipped
for
eccentrics
the
the
differential
or
number
11. 12. 13,
are
To
order
number
knife
of
and
adjusting
assembly,
Style
39500
inch.
B-14
of
while
the
that
with
main
(right
gathering
feed
14,
supplied
aneccentric,
stitches
AND
QS
It
will
that
part
symbol
eccentric.
above
combination
furnished
hand)
(left
hand)
action.
eccentrics
15,
16,
with
each
desired.
ADJUSTING
sewing
lower
knife
machines
be
noted
of
the
indicate
Unless
on
feed
feed
are
18,
20. 22.
machine.
use
No.
Example:
SEWING
parts,
remove
holder
have
that
differential
been
the
selected
part
feed
approximately
otherwise
of
other
styles
eccentric
eccentric
available
24, 26,
eccentrics.
specified,
of
determines
is
under
28,
Additional
39540 B with a minor
"39540
PAR
cloth
B-14".
TS
plate,
assembly,
to
number
eccentric
the
Refer
machines.
the
selected
No.
39540
30. 32,
eccentrics
fabric
then
follow
produce
of
main
is
No.
number
machine
to
ex-
number
so
as
to
B-4.
34,
36,
may
number
guard,
this
Fig
is
athighposition,
(12.
70
mm)
39500
Styles 39
settin
needle
by
screw
QS,QT,RT,TM
500
g s
hould
or
loosening
and
. 3
above
RD.
be
set
the
clamp
remove
CLOTH
CAUTION:
the
with
bled.
stud
turn
machine
towards
ly
that
SETTING
bled
should
of
needlepoint
throat
RL
31/64
height
plate
&
TT;15/32inch(ll.91
and TJ. For
inch
above
screw
throat
plate.
PLATE
When
cloth
which
plate
the
cloth
In
assembly,
are
tightened
in
cloth
with
the
collapses
only
the
plate
plate.
the
rear.
cloth
THE
Withthroatplate
in
position,
center
needle
should
(A,
in
slot.
be
Fig.
Style
(12.
30 mm).
the
throat
(C ).
After
REMOVAL
removing
stud
locking
stud
the
to
the
The
flat
and "V"
Stud
the
plate
NEEDLE
assem-
the
front
When
set
1/2
4)
for
mm
39500
TK
To ali
plate,
needle
has
(C)
and
cloth
point
cloth
locking
body
will
needle
end
needle
inch
Styles
}for
the
gn
move
been
AND
the
cloth
screw
cloth
plate
of
plate
slot
screw
of
the
turn
needle
set
ASSEMBLY
plate
(B)
plate
screw
and
(A,
lift
screw
and
removing
is
then
of
the
(B)
stud
when
assembled
cloth
is
tightened
to
the
opening
F
driving
properly,
Fig.
up
the
all
plate
ig.
arm
tighten
3)
cloth
(D ).
cloth
play
screw
or
4
(B,
loosen
plate
assem
plate
and
yet
to
the
stud
(C)
secure
(D)
so
closing.
Fig.
4)
clamp
-
-
11
If
needle
laps
looper
looper
in
into
stroke,
center
looper
pull-off
needle
At
this
bar
of
thread
set
21225-1/8.
On
Styles
at
left
end
(1.
59
mm)
using
lower
nut
looper
looper
(C ). Now
thread
thread
driving
point,
(B).
With
looper
needle
on
Styles
39500
of
its
to
the
gauge
deflecting
assemble
cam
pull-off
pull-off
screw,
arm.
insert
lower
point
(Fig.
39500
RD,
RL
stroke,
left
No.
SETTING
pull-off
(B ).
back.
be
sure
lower
looper
1 / 8
inch
6),
using
QS.
QT,
and
TK,
set
looper
of
center
21225-1/16.
needle
differential
THE
(A.
separate
When
to
take
looper
at
left
(3.
looper
RT,
with
point
line
of
or
needles.
(front)
NEEDLE
Fig.
5)
by
over-
moving
retightening
up
end
(A,
Fig.
end
1 7
mm)
gauge
TJ,
TM & TT.
lower
left
Do
looper
1 /
16
needle,
not
Tighten
feed
(Continued)
play
6)
of
its
from
No.
inch
have
dog.
Fig.
5
to
the
8)
until
face
Fig.
Now
right,
the
Fig.
finish
needle
its
6
lower
point
another • 002-.
6)
securely.
looper
should
springs
004
SETTING
7
).
When
off
rear
as
close
ing.
needle
there
guards
adjustment.
be
set
forward
inch
(.
051-.102
THE
Assemble
lower
needle
as
possible
Screw
(D)
guard.
is
no
and
differential
SETTING
Set
rear
possible.
looper
in
•
002-.
to
or
position
004
set
rear
interference
looper.
SETTING
As
into
the
needle
from
rear
mm).
FRONT
front
needle
looper
guard.
set
to
is
used
After
to
this
interference
THE
REAR
needle
without
movement
to
deflect
inch
(.
051-.102
needle
between
THE
lower
LOWER
looper
scarf
needle
Tighten
NEEDLE
guard
is
springing
front
needle
without
adjust
setting
between
feed
dog.
NEEDLE
guard
interfering
of
lower
needle
guard.
rear
LOOPER
moves
(A,
guard
nut
GUARD
(C.
needle
needle
guard
touch-
and
set
make
needle
(A.
knife
mm).
Make
needle
Fig.
sur-
(C.
Fig.
front
sure
GUARD
Fig.
with
holder,
or
needles
Screw
sure
guard
7)
as
either
(B)is
there
and
high
as
lower
but
still
forward
used
is
no
lower
in
or
shaft,
holder
to
3/
RL,
(3.17
Fig.
out
if
in
32
RT,
mm)
or
it
the
inch
TJ,
8
turned
is
not
shaft.
(1.
59
TM
beyond
SETTING
holds
around
already
Locate
to
2.
38
and
TT.
holder.
Insert
upper
its
in
upper
mm)
For
THE
upper
looper
shank.
place.
looper
beyond
Style
UPPER
looper
in
Insert
Screw
in
holder
39500
LOOPER
(A,
its
holder,
upper
(C ).
its
holder
(Fig.
TK
Fig.
looper
on
the
12
9)
and
clamp
so
9)
for
shank
in
holder
that
Styles
its
holder.
permits
holds
the
shank
should
Fig.
Screw
it
to
into
upper
the
upper
extends
39500
QS,
extend 1 /8
be
7
pushed
looper
looper
1 /
QT.
(B),
16
RD,
inch
---
""T'I"
--~
SETTING
When
upper
shank
TM
and
THE
looper
approximately
TT
UPPER
the
upper
holder
(Fig.
9).
LOOPER
looper
should
vertical
(Continued)
is
at
the
be
set
on
Styles
right
to
position
end
39500
of
upper
QS,
its
stroke,
looper
QT,RT,
TJ,
Fig.
As
the
the
heel
of
head
travel;
to
do
11
QT.
NOTE:
tings
centerline
the
TK
with
Next,
check
needle
it
by
represents
RT,
are
settings
the
settings
9
upper
the
upper
1/64
turn
dimensions
and
throat
moving
TM
and
For
Styles
1 / 8
and
are
NOTE:
should
vertical.,
Be
looper
upper
set
lower
ance
looper
looper
to
1/32
handwheel
the
the
TT.
inch
17
/32
9/64
are
inch
plate
upper
dimensional
39500
(3.
inch
inch
3/16
dimension 1 /2
looper
chine;
upper
After
looper
in
sure,
upper
(Fig.
moves
should
until
of
(Fig.
looper
RD
17
mm)
(13.
(3.
inch
these
Figure
On
Styles
be
set
when
on
all
and
casting.
looper
looper
looper
(.40
upper
and
57
(4.
holder
dimension
looper
around
eye
10).
toward
pass
to.
looper
looper
11 ).
If
holder
setting
RL.,
to
the
49
mm).
mm)
76
changes
1
O.
39500
to
position
the
styles,
shaft
point
with.
the
behind
79
mm)
is
at
resetting
(A.,
for
the
left
For
and
mm)
and
inch
counterclockwise
9/64
holder
its
shank
RD.,
upper
upper
and
point
15/32
(12.
are
looper
there
By
adjusting
byturning
to
cross
002
to
top
of
the
lower
clearance.
the
left
with
is
Fig.
11 ).
Styles
dimensional
of
right
Style
inch
39/64
70
mm)
inch
to
the
made.,
slightly
RL
and
TK
looper
is
at
is a clearance
looper
the
lower
• 004
inch(.
its
stroke,
looper
end
of
its
respect
necessary.,
Figure
39500
39500
inch
(3.
left,
needle
(11.
is
looking
57
it
maybe
to
QS,
set-
TJ
91
(15.48
increased
mm)
out
maintain
the
upper
shank
right
holder
looper
looper
051-.102
mm)
and
mm).
from
is
increased
of
upper
necessary
the
looper
slightly
end
of
between
around
to
the
Fig.
for
For
by
turning
left
looper
to
condition
back
its
stroke.
in
or
its
left
mm)
.
lO
Style
example,
end
of
by
pulling
turn
holder
heel
out
shank,
of
the
clear-
39500
upper
ma-
shaft.
upper
shown
of
of
of
Fig.
back
and
ing
ions
SETTING
if
and
the
teeth
dogs
pin
of
rotate
from
of
Figs.
Now
not
already
set
both
same
with a straight
should
(C
).
11
upper
looper
left
end
10,
THE
assemble
on
feeds
plane.
now
This
pin
looper.,
a
short
of
11.,
FEED
differential
machine.
so
This
edge.
be
leveled
raises
When
quickly
when
upper
nee
needle
machine.
12.
DOGS
the
can
Check
between
pull
distance
Assemble
top
be
Now
with
or
upper
looper
lowers
the
correct
as
follows:
looper
looper
downstroke.
surfaces
checked
and
setting
upper
out
counterclockwise.,
Reset
(front)
main
assemble
throat
the
eye
needle
to
looper
of
to
feed
of
by
sighting
plate
back
13
setting
As
upper
centers
should
avoid
and
If
needle
its
holder
maintain
dog
(A.,
(back)
the
throat
feed
teeth
surface
end
is
looper
interfere-
needle
rubs
slightly
dimens-
Fig.
dog
all
across
plate.
by
of
both
obtained.,
on
the
align
on
the
look-
13)
(B)
lie
in
the
Feed
rotating
feed
is
moving
needle,
exactly
feed
bars
it
can
(Fig.
tilting
at
the
to
the
Fig.
be
checked
the
eyes
12).
12
adjusting
same
right.,
of
the
time.
plate.
teeth
set
slightly
point
be
the
an
integral
The
Screw
rise
of
depth
feed
about
higher
travel
part
dogs
(D)
of a full
3 / 64
the
should
locks
if
top
of
the
SETTING
be
feed
tilting
inch
desired.
tooth
of
main
the
(1.
teeth
above
set
19
On
feed
THE
level
adjusting
mm)
Style
on
the
the
dog.
FEED
at
the
above
39500
main
throat
OOGS
time
pin
throat
TK
and
plate.
(Continued)
teeth
in
plate.
with
differentialfeed
place.
the
The
first
Now
The
feed
chaining
appear
differential
set
dogs
dogs
feed
above
feed
at
dog
dogs
feed
their
(A,
is
the
may
highest
B)
made
throat
so
that
be
should
as
SETTING
Replace
sembly.
should
with
ments
screw
Lower
against
adjustment
of
in
(B)
port
also
with
throat
trim
Lower
any
and
bracket.
serves
nut
be
are
which
upper
is
position
locking
THE
lower
Lower
set
with
plate
made
knife
is
changed.
knife
as
(C)
even
LOWER
knife
knife
cutting
surface.
with
hexagonal
holds
is
spring
knife,
necessary
may
by
tightening
nut ( C)
Because
latch
pin
when
KNIFE
holder
(A.,
edge
lower
so
no
when
be
against
screw
for
screw
as
Fig.
pressed
14)
flush
Adjust-
head
knife.
lateral
width
secured
screw
sup-
(B)
the
cloth
is
not
SETTING
(D.,
(F)
Upper
that
(.
40
the
-
plate
tightened
Replace
Fig.
in
its
knife
the
guarding
mm)
top
surface
C
latch
THE
upper
14)
in
most
chain
behind
spring.,
against
UPPER
knife
position.,
clockwise
guard
section
the
cutting
of
the
upper
Fig.
it
lower
KNIFE
assembly.
setting
position
(G)
is
approximately
edge
knife.
13
should
knife
nut
against
should
and
always
holder.
Clamp
(E)
to
be
positioned
in
be
upper
hold
upper
1 / 64
contact
locked
knife
clamp
knife.
so
inch
with
At
the
screw
bottom
than
holding
block.
1/64
After
Fig.
located
of
its
inch
the
block
14
on
the
stroke.,
(.40
upper
should
right
the
mm)
knife
be
side
front
below
has
locked
upper
mm)
After
trim.,
knife
setting
For
bly.
to
cutting
the
been
in
place
knife
below
screw
holding
when
Style
Clamp
hold
edge
cutting
set
for
bottom
should
cutting
upper
(H)
block
upper
upper
the
of
edge
the
using
14
of
extend
edge
knife
must
(J)
knife
39500
knife
clamp
the
of
proper
the
TJ.,
upper
the
screw
its
stroke,
not
of
lower
has
been
be
tightened
in
place.
is
replace
in
against
knife
lower
width
front
less
knife.
set
This
replaced.
upper
position.,
the
upper
should
knife.
of
trim.,
at
the
than
for
to
will
setting
front
cutting
1 / 64
proper
lock
simplify
knife
knife.
extend
the
upper
of
the
edge
inch
width
the
assem-
the
At
not
holding
of
(.
40
of
upper
re-
Allen
the
less
knife
SETTING
THE
STITCH
LENGTH
Length
(left)
(right)
of
eccentric
eccentric
stitch
(A.
(B)
Fig.
is
determined
Fig.
15)
actuates
15
by
actuates
the
main
the
combination
differential
(rear)
sure
careful
nut
curely.
thrust
main
washer
move
and
(E
hind
draw
move
ly
SETTING
feed
In
(C)
To
eccentric
Using
).
supplied
eccentric
during
of
feed
(front)
feed
dog.
assembling
hubs
not
and
are
to
damage
washer
change
finger
frame
(D)
nut
(M).
from
(H)
hooked
eccentric.
handwheel
extraction.
THE
eccentrics
dog;
feed
facing
used.
while
eccentrics.
each
shaft
(D)
and
feed
(L)
eccentric,
from
its
Remove
end
of
shaft
from
(A)
will
stud
now
(J).
slip
eccentric
with
machine,
(B)
as
It
may
back
shown
be
necessary
and
forth
DIFFERENTIAL
the
other.
or
key.
tighten
remove
seat
nut
(C)
(G).
Link
off.
extractor
reach
and
slight-
RA
Outer
inner
be
Be
Use
se
on
the
and
Re-
(K)
be
with-
TIO
-
-
to
Differential
screw
39500
lever
on
QS,
The
(A.
position
and a lower
ment
feed
one
tension
tion
moving
between
action.
On
Styles
adjusting
post
increases
the
clockwise
Now
obtain
feed.
stops
sewing
NOTE:
hold
ential
set
the
the
On
may
requirement.
After
in
this
feed
Styles
QT,
RD,
Fig.
16)
stop.
these
39500
thumbscrew
assembly)
upper
turn
lower
required
Styles
be
reversed
lower
position
dog
does
feed
action
39500
RL,
of
the
is
governed
The
amount
two
TJ
the
differential
stop
acts
in a reverse
stop
intermittent
39500
stop
and
not
is
obtainable
TJ
and
TK
RT,
TM
and
differential
by
of
lever
stops
and
determines
TK
rotating
(located
in a clockwise
action
(B)
down. a counter-
screw
(C)
differential
TJ
and
TK
to
meet
screw
turn
strike
a
has
handwheel
the
throat
and
two
TT.
control
an
upper
move
near
direc-
manner.
so
as
the
two
specific
been
in
thru
micrometer
-
the
the
the
by
to
set.
push
operating
plate.
the
use
of
one
adjusting
differential
direction
micrometer
screws
Fig.
16
control
to
be
sure
adjusting
on
lever
the
Styles
down.
differ-
On
controlled
an
upper
an
adjusting
Styles
39500
by
the
(B)
and a lower
thumbscrew
QS.
QT,
movement
stop
rod
RD,
of
(C
(Fig.
RL,
RT,
the
differential
).
but
16A).
on
TM
these
and
control
TT
the
machines
15
differentialfeed
lever
(A.
both
Fig.
stops
action
16A)
are
is
between
moved
also
by