Union Special 57900H, 57900N User Manual
INDUSTRIAL
INEST
57900H
57900N
QUALI
STYLES
®
TY
Unum~
L E W I
S®
• C 0 L U M B I A®
SEWING
MACHINES
CATALOG
No.
135M
Second
Edition
-
CLASS
ADVANCED
FIFTY
SAFETY
FRONT
DISPOSAL
THOUSAND
STITCH
UNION SPECIAL
57900
HIGH
SPEED
SERIES
MACHINES
OF
TRIMMINGS
CORPORATION
CHICAGO
A D
Catalog
INSTRUCTIONS
JUSTIN
No.
135
FOR
G A N D 0 P E
M
RA
TIN
G
57900
Union
Rights
LIST
CLASS
H
Second
Copyright
Special
Reserved
OF
Styles
Edition
By
PARTS
57
9 0 0
57900
1971
Corporation
in
All
Countries
N
UNION SPECIAL CORPORATION
INDUSTRIAL
Printed
SEWING
CHICAGO
in
2
MACHINES
U.S.
A.
October.
1977
IDENTIFICATION
OF
MACHINES
on
the
Style
Each
UNION
machine.
numbers
Example:
minor
Style
a
gauge
changes
number.
The
distance
number
Thus. a 5-8
(needle
(3.
18
for
mm)
Styles
which
57900
herein.
in
given
of
differs
11
•
This
catalog
It
this
Class.
from
handwheel
"Style
Example:
gauge
401
from
of
machines
from
can
also
Reference
the
operator's
is
SPECIALmachine
Style
have
57900
are
numbers
one
H".
made
or
more
Special
in a standard
"Style
between
measured
the
in
represents
stitch)
middle
to
middle
needle
similar
the
Style
number.
APPLICATION
applies
be
specifically
applied
to
direction,
position
toward
the
operator.
are
57900
rows
of
1/64ths
a
distance
or
to
extreme
in
construction
with
while
is
identifi
classified
letters
Style
numbers
machine,
HZ".
stitches
of
an
left
needle
in
that
to
the
discretion
such
seated
ed
by a Style
as
suffixed,
or
between
inch
of
(.40
5/64
of
right
needle.
are
it
contains
OF
CATALOG
Standard
to
as
right,
at
standard
but
contain
a
"Z"
mm),
inch
602
grouped
Styles
some
the
machine.
number
never
the
is
suffixed
needles
going
(1.
98
stitch
no
letters.
Special
left,
on a name
and
special.
contain
letter
from
mm)
and
the
"Z".
to
the
is
represented
left
from
8/64
or
under a Class
Example:
of
machines
Styles
front,
of
back,
Operating
plat
Standard
letter
When
standard
to
right.
left
needle
1/8
inch
number
''Class
as
listed
machines
etc.,
direction
e
"Z".
only
by
are
Advanced
mer,
Presser
Rear,
Interlock
System,
Feed
an
Adjustable
High
Front
Bar
Two
Stitch
Filtered
Rocker
Disposal
Loopers,
Preparedfor
Thread
mm).
57900
Tensions.
H
Medium
in-seams
slacks,
corduroy
weightmaterial.
forallgauges
recommended
57900 N High
closing
on
Type
16-8
on
medium
147
gauge
commended
Speed
and
Needle
on
Right,
Oil
Shaft.
Lateral
Cast-off
use
with
Maximum
throw
and
out-seams
ladies'
overalls,
of
speed
throw
machine
sport
to
heavy
GSneedle
machines.
speed
Flat
Bed
of
Trimmings.
Bar
Dual
Stitch,
Single
Return
Looper
Plate
Knee
Press
machine
skirts,
and
Seam
specification
machines.
5500
shirts,
play
weight
for
No.
Standard
5500
R.
STYLES
Machines,
Driving
Reservoir
Pumps
Support,
for
Work
for
of
light
jackets,
for
similar
Standard
R.
P.
for
side
pants.
material.
5-8
P.M.
OF
Needle
Mechanism,
Double
for
Travel,
Large
Presser
Space
to
simultaneous
and
medium
bathing
(401-602)
gauge
M.
seaming,
heavy
gauge
gauges
MACHINES
Medium
and
Bearing
Locked
Stitch
Enclosed
Head
and
Single
Disc
Handwheel
Foot
Right
Lifter,
of
weight
suits,
operations
519-SSa-2.
Nos.
shoulder
bathrobes,
Se
am
specification
and
Type
Nos.
147
5-8,
High
Needle
Three
on
Positive
Base,
Looper
and
Needle
seaming
corduroy
beach
on
medium
5-8,
seaming,
and
GKS
12-12,
Throw.
Bar
Drive,
Needles,
Left
and
Automatic
Wakefield
Thread
Improved
Equipped
Bar 8 1/4
and
overedging
pants,
and
bathrobes,
to
Type
12-12,
16-8.
sleeve setting and
for
similar
{401-602)
needle
16-8.
Vertical
Light
Left
Needle
Four
Lubricating
Bearings
Take-up
Belt
with
Disc
Inches
wash
medium
128
GAS
Maximum
operations
519-SSa-2.
for
Nos.
Maximum
Trim-
Weight
Thread
for
and
Guard.
Type
(209.
on
the
pants,
kiddies'
heavy
needle
12-12,
re-
in
6
3
NEEDLES
Each
denotes
number,
in
thousandths
size
number
needles
The
by
this
able,
but
results.
tions,
Type
128
147
and
No.
GAS
GS
UNION
the
kind
stamped
packaged
type
numbers
catalog
the
ones
The
type
the
Round
eye,
ium
140 I 054,
Round
eye,
duction,
1251049,
SPECIAL
of
shank,
on
the
of
an
represent
and
are
given
indicated
numbers
sizes
available
shank,
spotted,
plated-
shank,
spotted,
needle
inch,
the
sold
of
the
in
needle
point,
midway
by
needles
the
are
of
has
length,
shank,
between
complete
Union
Special.
recommended
machine
those
the
are
recommended
recommended
listed
both a type
denotes
symbol,
Description
round
undersize
sizes
1501060,
round
short
point,
eye
0801032,
170 I 067.
point,
point,
chromiumplated-sizes
1401054,
1501060,
groove,
shank
style
description.
below:
short,
and
groove
0901036,
long,
undersize
1701067.
and
size
finish
largest
which
for
to
needles
and
double
double
and
diameter
and
eye.
is
each
produce
together
Sizes
groove,
27%
of
1001040,
groove,
eye
number.
other
Collectively,
given
style
Other
size
and
grooves,
The
details.
of
blade,
on
of
machine
needles
the
most
with
struck
of
needle,
1101044,
struck
the
their
0801032,0901036,1001040,
type
number
The
size
measured
type
label
of
covered
are
avail-
satisfactory
descrip-
groove,
ball
chrom-
1251049
groove,
one
ball
step
110/044,
and
all
re-
147
GKS
To
have
sample
onlabel.
needle,
Acompleteorderwouldread:
Selection
should
pass
Success
use
ofneedlespackaged
a
reputation
more
than
three-quarters
Round
size
ium
needle
or
of
proper
freely
in
the
for
producing
shank,
ball
eye,
plated-
orders
the
type
needle
through
operation
round
spotted,
sizes
promptly
and
size
needle
of
under
our
highes·i:
of a century.
point,
short
0901036,
and
size
number
"1000
is
determined
eye
in
UNION
brand
quality
long,
double
point,
1001040,
accurately
should
Needles,
order
to
SPECIAL
name,
~
needles
groove,
standard
eye
1101044,
filled,
be
forwarded.
Type128
by
the
size
of
produce a good
machines
in
materials
can
®
struck
and
grooves,
1251049,
an
empty
Use
GAS,
Size
thread
stitch
be
secured
•
which
and
workmanship
groove,
1401054.
package,
description
0901036".
used.
formation.
is
backed
over-
chrom-
Thread
only
by
by
for
a
4
'
Fig.
1
Thread
The
filled
add
zong.
100
line,
lubricated
before
oil
until
marked
Fahrenheit.
located
Excessive
THREADING
machine
oil
has
starting
needle
''FULL".
to
and
no
oil
been
of
oil gauge
Maintain
the
left
oiling
in
the
AND
OILING
as
indicated
drained
to
operate.
Use a straight
other
from
(A,
oil
level
of
''OPERATE"
than
main
reservoir
above.
the
To
fill
Fig.
1)
mineral
in
''OPERA
keeping
DIAGRAM
The
looper
machine
machine
is
on
the
oil
TE"position
zone,
may
the
marked
main
be
FOR
CLASS
threading
before
with
black
of a Saybolt
drained
shipping
oil,
line,
and add
''LOW".
reservoir
at
remove
the
5
57900
has
and
plug
located
viscosity
oil
The
filled
plug
MACHINES
been
enlarged
so
the
reservoir
screw
to
the
right of·''OPERA
of
90
when
needle
machine
is
necessary.
screw
(B,
for
in
top
cover
to
125
seconds
is
'to
is
automatically
Fig.
1).
clarity.
must
the
black
be
and
TE"
at
H
VAPOR
~~
SPLASH
OIL
i!
oiL
B
oiL
ACTION
RESERVOIR
FEED
RETURN
SCR
E W
-PASS
WIT
OUTLET
BY
6
H
ADVANCED
FLATBED
LUBRICATION
SYSTEM
F i
gure
Letter
A.
B.
c.
D.
E.
F.
G.
Bearing
Crankshaft
and
Needle
Head
ings).
Looper
lever
Opposing
end
vents
shaft
Right
Left
tric
or
crankshaft
lever
area
drive
bearings.
of
mainshaft.
oil
bearing.
mainshaft
main
bearings
Machine
drives,
(all
mechanisms
Helical grooves
leakage
shaft
bearing
located
Area
upper
bearings.
cross
crank,
shaft
Short
from
bearing.
on
and
SUPPLY
ball
straps
bearing.
and
looper
in
groove
right
main-
all
eccen-
mainshaft.
bear-
drive
right
pre-
SYSTEM
Method
Oil
ions
rods.
Oil
supplied
Mist
Oil
(56343
connecting
Oil
splash
Supply
shaft.
Oil
andmeteredby
troduced
right
Amount
shaft
in
of
agitation
on
trough
by
as a result
agitation
E)
drip
in
grooves
supplied
mains
of
controlled
right
end
Lubrication
needle
on
rod.
plate
chamber.
into
as a result
lever
(51282
splash
as a result
bottom
from
lubricant
of
in
of
splash
which
in
right
hollow
felt
plugs.
center
haft
with
mainshaft.
of
extens-
connecting
AE)
which
column
in
column.
of
splasher
of
looper
accumulates
end
of
mainshaft
Oilis
of
shaft
bearing
in
center
by-pass
area.
drive
main-
in-
in
the
area.
hole
is
of
H.
I.
J.
K.
Figure
Letter
L.
M.
Lower
mains
Looper
rocker
per
Right
joint.
Feed
rocker
Machine
Head
Base
haft
rod
looper
rocker
ends
eccentrics.
cone,
shaft
bearings,
ball
joint.
shaft
bearings.
Area
of
connecting
right
rod
shaft
and
and
needle
and
upper
rods
left
looper
left
bearing
RETURN
of
loo-
feed
SYSTEM
Oil
run-out
supplies.
Supplied
shaft
yarn
Oil
to
Self-lubricated
Method
Felt
pump
primed
bearing.
Felt
return
and
accumulates
chamber.
which
as a metering
supplied
lubricating
pad
pad
primed
from
from
of
Return
in
head
located
by
oil
in
base
pump
by
eccentric
hollow
contains 4 strands
from
plate
bearings.
on
from
collects
located
oil
splash
looper
device.
front
(56393 K).
collects
crankshaft
left
on
drip
in
bearing
rocker
base
oil.
Return
crankshaft
oil.
Second
crankshaft
plate
which
looper
drive
of
felt
and
7
LUBRICATION
INSTRUCTIONS
FOR
MECHANICS
CAUTION!
reservoir
before
the
beginning
oil
to
damage.
Use a straight
Fahrenheit
No.
175.
Fill
2)
and
check
needle
Oil
zone
is
should
marked
to
CAUTION!
be
over
that
iod
clean
the
hand
for
filled.
It
is
has
been
be
lubricated
out
needle
oiling
several
recommended
lint
parts.
Oil
must
the
various
in
the
main
oil
the
be
added
''LOW".
It
is
out
and
bar.
will
minutes
has
been
be
filled
to
operate.
mineral
main
reservoir
level
black
line,
when
Recommended
important
of
service
as
follows:
directly
Replace
be
required.
to
drained
to
the
Run
parts.
oil
reservoir.
at
at
gauge
located
needle
that
that a new
for
Remove
oil
the
head
cover
Run
distribute
from
proper
machine
Full
the
level
speed
main
as
slowly
operation
RECOMMENDED
of
a S3.ybolt
This
plug
(B).
Oil
to
is
to
the
grease
these
machine,
an
extended
the
needle
machine
oil
screw
the
machines
head
bar
as
to
viscosity
is
equivalent
in
is
at
right
black
No.
or
cover,
link
no
further
slowly
the
various
upper
maximum
of
line,
per-
reservoir
indicated
for
OIL
crank
''OPERA
located
28604
not
one
and
several
can
then
of
90
to
Union
safe
TE"zone,
P
(See
before
on
oil
minutes
be
to
125
Special
chamber
operating
to
the
Page
shipment,
gauge
to
expected
seconds
specification
cover
marked
left
of
''OPERATE"
13).
so
(A,
Fig.
distribute
without
at
(A,
level
when
''FULL".
the
1)
100°
Fig.
For
dirt
and
dirty,
ed
from
Fig.
change
every
main
2)
machine,
cover,
NOTE:
ceive
be
holes
OIL
oil
sure
in
GAUGE
The
proper
ment
steps
become
should
1.
2.
3.
4.
5.
machines
lint
deposits
the
2000
operating
reservoir
located
or
by
located
Looper
thru
the
oil
holes
mainshaft
oil
gauge
oil
level
be
Place
Remove
to
drain
Make
Remove
Fill
main
shaft
bushing
in
oil.
An
by
below
the
removing
at
the
back
avoid
and
mainshaft,
in
the
when
is
set
in
the
reservoir.
necessary,
followed:
the
machine
the
oil
oil
from
sure
all
lower
reservoir
(D,
operation
at
reasonable
oil
change
hours.
removing
cloth
the
lower
of
machine.
feed
so
eccentric
spot
screw
at
the
however,
upright
reservoir
the
reservoir.
oil
is
drained
crank
chamber
to a level
Fig.
check
is
Oil
may
plug
plate
crank
lift
eccentrics
when
line
is
factory
Should
on a level
plug
2).
the
oil
intervals.
recommend-
be
drained
screw
at
front
of
chamber
assembling
up
with
in
time
to
show
an
adjust-
the
following
screw
from
main
cover,
even
with
for
If
(C,
the
re-
oil
spot
.
the
table
or
bench.
(C, Fig. 2)
reservoir.
located
the
bottom
at
and
tip
the
back
contour
Fig.
2
machine
of
the
of
the
forward
machine.
knee
press
8
6.
Loosen
or
of
7.
Tighten
cover.
8.
Add
''OPERATE"
lock
nut
right
until
''OPERATE"
lock
oil
so
that
zone,
(E)
the
zone,
nut
gauge
OIL
on
gauge
marked
(E),
needle
marked
GAUGE
calibrating
needle
"LOW".
replace
rests
''FULL".
(Continued)
screw
rests
plug
on
on
screw
the
(F),
the
black
and
black
(C)
and
line,
turn
line,
lower
the
screw
located
located
crank
to
the
to
the
to
the
chamber
right
left
left
of
Align
and
test
Machine
Style
57900
H-5-8
the
plate
Fig.
needle
of
the
3
bar
right
Test
698
ALIGNING
(A,
Fig.
gauge.
See
Plate
NEEDLE
Remove
chamber
needle
inside
chamber
lever
and
that
wall
the
(Do
of
notch
not
lever).
in
Fig.
THE
4)
and
chart
LEVER
cover
lever
the
arm
cover,
stud
(B).
its
the
of
allow
Allow
3.
NEEDLE
set
to
below.
Right
the. head
bearings
casting,
Make
delivery
bed
casting
the
the
1/64
height,
Test
No. No.
AX-5-8
PI40
BEARING
(G,
Fig.
oiler
which
sure
end
needle
oiler
inch
BAR
using
Pin
A
OILER
cover
2).
Check
(A,
below
lubricates
it
is
(C)
contacts
at
the
lever
(.40
to
shaft
rest
mm)
the
and
Fig.
the
tilted
back,
on
clearance
proper
Left
upper
crank
position
3)
located
upper
the
crank
needle
downwardly
the
inside
just
above
stop
collar.
the
needle
test
pins
Test
Pin
No.
PI40
A
of
as
57900
57900
57900
57900
57900
Insert
Now
needle
and
the
on
the
If
and
Size
holes
4)
and
H-12-12
H-16-8
N-5-8
N-12-12
N-16-8
test
assemble
bar
is
height
test
plate,
test
plate
as
of
throat
turn
bar
pins
test
plate
located
of
the
when
and
required)
plate.
as
required.
698
AX-12-12
698
BH-16-8
698
AX-5-8
698
AX-12-12
698
BH-16-8
No.
PI40 A in
to
properly
needle
the
test
pins
and
align
To
align
machine
if
bar
needle
are
the
needle
Tighten
the
is
correct
bar
not
the
using
test
is
at its
available,
needle
bar,
clamp
9
left
the
pins
when
bar
loosen
PI40
PI40
PI40
PI40
PI40
and
throat
align
lowest
so
screw.
right seat
the
insert a new
the
needle
A
A
A
A
A
plate
with
the
shoulder
position.
needles
bar
of
the
attaching
holes
of
set
in
the
of
center
clamp
PI40
PI40
PI40
PI40
PI40
needle
screws.
the
test
needles
in
the
screw
holder.
test
pins
needle
(B,
A
A
A
A
A
The
plate
rest
(Type
Fig.
SYNCHRONIZING
LOOPER
AND
NEEDLE
MOTIONS
Check
21227 R as
Insert
rocker.
for
attaching.
the
handwheel
in
the
looper
plate
the
and
en
the
pin
in
will
one
and
pointer
the
the
set
handwheel
again
synchronization,
return
graduation
reading
wheel
is
looper
to
the
will
have
NOTE:
Place
set
right
screw
is
turned
drive
rear.
to
If
the
follows:
the
rocker
rests
end
contacts
to
higher
If
be
gauge
synchronization
synchronization
pin,
which
the
gauge
Place
in
operating
the
plate
shank
contacts
the
indicator
against
of
and
in
the
on
in
lever
the
moved
may
the
the
the
same
the
on
the
reading
No.
the
pointer
note
indicator
reverse
plate.
the
pointer
reading.
scale
the
operating
shaft
to
21227 R is
be
checked
is
included
on
direction
the
so
that
top
rests
direction
If
is
scale
will
is
the
front.
of
the
the
throat
of
the
indicator
until
edge
of
the
left
of
the
needle
at
''0".
reading.
the
motions
of
the
A
variation
allowable.
when
direction,
have
to
lower,
not
as
follows:
looper
with
the
plate
the
pin
the
gauge
end
bar
Tight-
Turn
until
the
are
indicator
If
the
the
hand-
the
be
moved
this
shaft
available,
and
needle
gauge,
seat
in
the
of
of
motions,
in
the
using
take-up
back
the
wire
using
hole
throat
hole
gauge
in
the
plate
in
bed.
No.
looper
screws
Turn
Insert
looper
direction
to
the
left
the
needle
a
light
move
oil
drive
stud
reservoir
lever
the
rocker
until
is
even
with
tap
with a small
forward
top
rocker
front
and
the
with
respect
Fig.
cover
looper
turn
handwheel
point
of
the
5
hammer,
(toward
and
shaft,
(A,
the
left
side
to
the
operator),
oil
reservoir
toward
Fig.
in
looper,
of
looper
directly
the
operator,
5)
in
the
operating
moving
right
needle
point,
direction
moves
side
synchronize,
needle
will
(.
127
from
of
is
move
zing
it
in
verse.
shaft
as
Fig.
move
on
remove
back
(B).
then
turn
until
to
the
of
the
right
with
be
the
same. A variation
mm)
the
the
looper
turned
the
stud
the
is
eye
in
looper
(C,
opposite
Moving
synchronizing
follows:
5)
stud
the
the
cover,
is
Loosen
of
the
to
stud,
cloth
then, a light
all
that
Note
the
handwheel
the
left
and
needle.
the
height
respect
allowable.
of
the
is
greatest
the
operating
drive
Fig.
5)
direction
of
the
stud
the
looper
rear
is
plate,
(awayfrom
all
that
throat
is
required.
Fig.
height
looper
is
even
of
to
the
needle
when
shaft
to
the
looper
is
clamp
drive
is
tap
4
of
the
eye
in
the
reverse
If
the
looper
If
point
with
the
of.
the
to
again
the
motions
eye
of
005
distance
the
the
pulley
point
point
direction,
synchroni-
rear.
acts
drive
Moving
the
lever
accomplished
screw
lever
(E).
operator),
required.
plate
on
support,
the
looper
of
left
the
inch
re-
(D,
To
To
10
SYNCHRONIZING
LOOPER
AND
NEEDLE
MOTIONS
(Continued)
NOTE:
it
and
rocker
metal
Looper
the
shaft
to
metal
bed
drive
casting.
by
compressing
contact
lever
All
with
(E,
end
the
Fig.
play
the
bed
5)
must
''0"
ring
casting.
Fig.
has
an
oil
be
removed
until
Tighten
6
seal
lever
collar
from
(E)
screw
and
and
(D).
the
oil
an
''0"
looper
seal
ring
drive
collar
between
lever
make
With
centerline
Remove
of
the
gauge
ment
drive
can
cone
(Fig.
above
SETTING
so
obtained
and
setting
offplate
the
to
bent
allowing
the
Tighten
support
is
lever
be
checked
and
6)..,
paragraph.
After
the
• 045
the
of
two
the
casting.
in
take-up
the
looper
of
the
nut
(A,
should
necessary,
(D)
with a scale.
the
centerline
when
THE
the
between
casting
the
support.
screws
half,
each
screws
and
looper
TAKE-UP
main
inch
you
take-up
position
end
and
remove
right
Fig.
locate
as
required.
shaft
(1.
the
will
For
that
Using
to
the
that
at
the
looper
6)
and
against
loosen
of
the
is
at
has
143
mm)
head
have
in
relation
the
final
hold
shim
it
be
positioned
cast-off
hold
shim
extreme
connecting
place
the
the
clamp
Tighten
The
distance
looper
the
extreme
been
dimension
of
the
an
approximate
setting,
the
cast-off
No.
over
the
the
plate
cast-off
No.
right
hole
right
screw
clamp
lever
positioned
main
to
39152
39152
shaft
the
cast-
loosen
plate
take-up
between
support.
plate
U-4.
end
of
rod
bearing,
in
gauge
side
of
(C,
screw.
between
stud
right
U-4
end
is
its
travel,
over
the
looper
Fig.
If
the
should
of
check
using
threaded
rocker
6)
and
gauge
centerline
be 4 1/16
its
is
travel.
the
location
gauge
reposition
not
of
Fig.
No.
stud.
cone
(B).
available,
the
looper
inches
Refer
7
21227
The
If
the
(103.
to
''NOTE"
of
CX.
left
end
adjust-
looper
setting
rocker
19
mm)
the
in
11
SETTING
THE
LOOPER
Insert a new
The
distance
looper
to
setting.
and
obtain
nut
the
nut
(G).
(F)
should
right.
If
adjustment
(H)
the
7/32
Make
on
adjustment.
The
looper
the
needles.
needles.
If
adjustment
(L)
as
required.
turning
it
counterclockwise
makingthis
is
obtained
needle-looper
accomplished
clamping
loopers
set
of
needles.
from
Looper
the
be
center
7/32
gauge
is
connecting
inch
(5.
56
sure
its
the
is
set
point
is
left
correctly
brushes.
necessary.
Turning
adjustmentmay
and
recheck
relationship.
by
applying
in
looper
SETTING
type
of
the
inch
(5. 56
No.
21225-7/32
required.
rod
(J).
mm)
dimension.
ball
joint
but
stop
screw
acts
prove
the
adjustment.
A
minute
pressure
rocker.
HEIGHT
and
right
mm)
loosen
turn
the
is
in
in
line-of-feed.
does
not
loosen
lock
clockwise
the
reverse.
helpful.
adjustment
on
the
so
as
size
as
needle
when
can
nut
the
beused
(G.
connecting
Retighten
vertical
pick
screw
Holding
Tighten
Insert
of
loopers
to
get
OF
NEEDLE
specified.
(E.
Fig.
looper
6)
is
advantageously
Fig.
6)
(it
rod
both
nuts.
position
if.
as
it
moves
at
the
rear
(K.
Fig.
sets
back
lock
the
the
loopers
screw
looper
looper-needle
at
front
the
or
proper
BAR
Also
to
at
insert
the
its
point
farthest
has a left
forward
first
and
of
6)
loopers
does
to
the
and
or
nut
the
right
turn
to
to
not
the
the
securelyafter
and
obtain
relationship
back
of
the
in-line-of-feed
front
of
looper.
the
position
tocheck
hand
thread)
backward
(H)
and
bind
left.
and
stop
behind
center
screw
rear
front
setting
the
can
blade.
setting.
front
this
to
then
after
and
while
same
be
while
The
stitch
when
If
down
ment
equal
needle's
the
adjustment
as
of
clearance
The
in
the
throat
travel
ance
clamps
ward
by
move
rocker
set.
in
the
the
or
loosening
the
arm
The
3/64
point
holds
tighten
nut
inch
(F.
of
the
screw
Fig.
clockwise
height
eye
point
of
is
required
the
needle
feed
dog
plate.
it
may
front
feed
rearward
screws
feed
rocker
(B)
tips
of
(1. 19
mm)
travel.
feed
dog
(A).
5)
and
to
raise
of
the
needle
is
3/64
looper.
necessary.
and
retighten
bar
while
on
both
should
NOTE:
be
necessary
and
rear
rockerarm
as
needed
(D)
which
to
does
the
not
feed
above
The
height
in
position.
If
feed
turn
__
the
front
bar
inch
moving
loosen
making
the
right
SETTING
be
set
See
of
throat
(B)
and
hold
desired
bind
after
dog tee
the
can be
dog te
screw
teeth.
(A.
Fig.
(1.19
to
the
screw
screw.
and
for
maximum
;'CHANGING
to
centralize
plate.
to
the
retighten
the
position
making
th
should extend 1 1/4
throat
plate
adjusted
turn
height adjus
eth
are
(G)
clockwise
Retighten
4)
mm)
left.
below
is
(B)
Care
this
left
THE
must
adjustment.
sides
FEED
travel
STITCH
feed
If
required.
feedrocker
nut.
feed
rocker
and
retighten
this
and parallel
by
not
parallel
nut
is
correct
the
even
and
with
reposition
be
taken
of
the
DOG
and
LENGTH".
dog
(C)
and
Equal
side
(C)
adjustment.
loosening
ting
screw
to
lower
(F)
when
when
underside
the
left
not
as
the
needle
equal
motion
clearance
to
loosen
move
clearance
onto
the
screws.
tooth
with
depth
the
screw
(B)
with
the
the
front
feed
the
top
of
the
side
needle
to
disturb
needles
slots
With
obtain
nut
(A.
the
feed
feed
rocker
Make
or
throat
(A.
as
required
throat
teeth.
dog
is
of
the
left
front
of
bar
in
throat
maximum
equal
Fig.
this
the
are
on
looper.
needle.
(A)
up
align-
to
plate.
all
sides
clear-
7)
which
have
feed
rockerfor-
can
be
obtained
shaft
sure
the
(E).
feed
approximately
plate
Fig.
plate.
set
at high
8)
and
loosen
or
counter-
properly.
which
re-
602
or
12
(C.
and
in
Set
Fig.
turning
the
head
the
8)
stitch
1/2
the
of
to
turn
stitch
the
main
required
(it
has a left
adjusting
shaft
CHANGING
length.
hand
screw
(E)
..
which
STITCH
This
is
thread)
(D)
located
is
LENGTH
accomplished
on
the
end
under
marked
the
with
of
by
the
left
"L"
end
loosening
stitch
and
regulating
of
the
''S".
the
locknut
cloth
plate,
Turning
stud
the
screw
and
regulating
structive
''U"
NOTE:
rear
clockwise
turning
shaped
Any
needle
it
stud
damage
key
change
guard
Machines
require
with
SETTING
so
when
of
•
set
approach
needles,
left,
forward
needle
raise
turn
Union
Set
that
at
005
as
are
or
screw
repacking
Special
THE
the
rear
it
does
its
inch
low
not
most
(.127
as
within
until
the
even
or
rearward,
guard
as
lower
(K)
counterclockwise
after
guard
is
properly
shortens
the
stitch
in a counterclockwise
toward
to
slot
in
in
the
the
stitch
the
feed
ferrule
''L''·
drive
length
Retighten
(G).
setting.
having
REAR
needle
forward
possible,
with
needle
clockwise
needle
afteryears
Corporation
NEEDLE
guard
quite
contact
point
mm)
is
yet
about
points
the
3/64
of
needles.
merely
required,
guard,
to
raise
bearings
of
service.
grease
GUARD
(H.
Fig.
the
of
travel.
permissible.
have
inch
the
loopers
To
loosen
and
retighten
loosen
to
lower
it.
Retighten
set.
Fig.
(moves
direction
bearing,
will
in
No.
8)
rear
its
(1.
19
move
screw
needle
8
stitch
the
the
necessitate
feed
rocker
Bearings
28604
horizontally
of
the
needle
A
clearance
It
should
vertical
mm)
moving
the
(J),
screw.
screw
(J)
guard
screw
regulating
lengthens
locknut
Key
a
at
should
P.
s
be
face
of
the
to
the
guard
move
To
and
or
(J)
stud
the
stitch
securely.
screw
(F)
must
corresponding
locations
be
cleaned
toward
the
(moves stitch
To
prevent
engage
chan
ge
(F. Fig. 7)
and
re-packed
Fig.
9
"S'~
de-
the
in
the
may
NOTE:
Any
change
in
stitch
length
will
require a change
13
in
rear
needle
guard
settin
g.
Set
the
ward
brush
vertical
of
the
the
but
face
needle.
rightneedle
(A,
Fig.
9),
lower
tighten
or
screws
front
path
not
push
at
rotate
rotate
needle
of
the
pick
at
the
The
front
anytime.
needle
needle
after
SETTING
guard
front
this
needle.
needle
needle
To
guard
guard,
guard
so
looper
until
move
holder
loosen
is
properly
FRONT
that
as
It
should
the
guard
needle
NEEDLE
it
pushes
it
moves
be
point
of
should
guardforward
as
required
screws
(B),
set.
the
behind
set
the
not
contact
GUARD
left
602
the
needle.
as
low
as
looper
is
the
orrearward,
and
retighten
reposition
stitch
needle
The
possible,
just
past
rear
needle
screws.
as
necessary
looper
yet
the
loosen
To
back
have
left
guard
screws
raise,
andre-
to-
may
its
side
or
NOTE:
A
setting.
The
presser
entirely
If
adjustment
(A,
Fig.
disc
there
separator
should
SETTING
The
is
possible
change
thread
foot
is
released
10),
located
be
HEIGHT
height
to
remove
in
tension
raised
when
is
as
required.
no
binding
OF
of
the
stitch
length
THREAD
release
to
within
the
needed,
at
the
at
PRESSER
presser
the
presser
1/8
presser
loosen
back
of
Retighten
any
bar
(B,
Also
mately
ance
presser
(D,
face
when
leased
plate,
WILL
TENSION
is
set
inch
foot
tension
the
point.
BAR
(C,
Fig.
foot
Fig.
there
between
Fig.
of
the
with
NOT
correctly
(3.18
has
reached
machine
screw.
4)
when
10)
should
1/16
inch
bar
connection
4)
and
head
foot
and
the
the
require a change
RELEASE
when
mm)
release
and
After
is
set
the
foot
is
fully
(1.
lower
the
opening
lifter
presser
feed
it
begins
of
the
its
highest
lever
move
screw
tension
adjustment
correctly
lifter
depressed.
be
approxi-
59
mm)
clear-
surface
of
and
bottom
in
the
lever
is
foot
dog down
lever
guide
in
end
if
it
the
sur-
bed
reresting
below
front
to
of
needle
function
its
travel
position.
on
the
throat
Fig.
the
guard
as
the
and
is
10
throat
plate.
If
presser
Set
tact
the
Fig.
foot
can
the
presser
spreader
1
1
be
when
removed
bar
stop
raised.
ting
tion.
presser
up
driver
retighten
so
as
mentioned
collar
adjustment
direction
Loosen
presser
to
that
needle
(F,
Fig.
foot
bar
obtain
screw.
in
4)
14
is
needed,
until
the
screw
down
on
connection
the
1/16
Check
bar
is
previous
so
that
(E,
turn
needle
Fig.
the
4),
throat
and
inch
setting
in
its
high
paragraph.
the
presser
handwheel
bar
is
in
then,
plate
guide
(1.
59
mm)
byturning
position
foot
in
opera-
the
low
posi-
while
surface,
holding
pry
with a screw-
setting
and
handwheel
and
see
does
not
con-
if
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