INDUSTRIAL
·
FINE
ST
QUALITY
STYLES
37500-1
37500-5
37500-6
37500-8
®
~~
L E W I S® • C 0 L U M B I A®
SEWING
MACHINES
37500-9
CATALOG
No.
194-19
Second
Edition
CLASS
SINGLE
THREAD
BLINDSTITCH
NON-SKIP
37500
CHAINSTITCH
MACHINES
STITCH
UNION SPECIAL
CHICAGO
CORPORATION
Catalog
No.
INSTRUCTIONS
FOR
194-19
ADJUSTING
LIST
37500-1
37500-5
Second
AND
AND
OF
FOR
CLASS
STYLES
37500-9
OPERATING
PARTS
37500
37500-6
37500-8
Edition
Union
Rights
Copyright
Special
Reserved
1973
by
Corporation
in
All
&
UNION SPECIAL CORPORATION
INDUSTRIAL
Printed
SEWING
CHICAGO
in
2
MACHINES
U.S.A.
1976
Countr
i
es
January,
1979
the
needle
farther
top
ofthe
the
upper
these
equally, a little
on
the
be
attempted.
guide
to
the
presserfootbrackets,
screws
screws
sides
(B)
have
ADJUSTING
(A,
Fig.
3)
right.
To
accomplish
(B)
on
the
just
enough
at a time,
been
tightened,
PRESSER
and
lift
off
these
so
that
side
to
to
hold
obtain
no
of
FOOT
the
the
each
the
the
further
TO
needle
adjustments,
heads
bracket,
presser
aforementioned
adjustment
NEEDLE
track
donot
(C)
loosen
contactthe
move
foot
up.
of
(Continued)
while
presser
Adjust
settings.
the
advancing
screws
foot
the
top
screws
(A,
washers.
up,
top
screws
After
screws
the
needle
Fig.
(A)
4)
Loosen
retighten
should
on
(A)
(B)
Turn
stroke.
point,
the
case,
is
vertical
as
viewed
located
clamp
in
relation
needle
as
required
be
set
front
inch
(.
07 6
presser
advance
the
needle
crank.
the
It
should
at
right
the
Fig.
and
in
in
the
screw
carrier
mm)
foot.
the
eccentric
handwheel
be
ofstroke,
travel
5
the
Fig.
head,
and
to
the
clamp
for
above
to
back
away
It
may
above
SETTING
in
operating
flushwith
should
of
the
needle
needle
(B,
Loosen
needle
the
5)
handwheel
ion
at
travel.
turn
stud
punch
6.
at
recheck
left
so
adjustments
marks
The
the
back
the
side
screw
setting.
the
side
from
ball
vertical
be
necessary
stud,
needle
of
the
be
Turn
Fig.
hole
in
top
until
its
the
(A,
in
near
position
the
(C,
Fig.
Also
of
the
to
obtain
make
NEEDLE
direction
left
side
to
the
top
will
have
the
handwheel
eye
is
flush
3)
in
the
the
clamp
crank(accessible
located
of
the
in
operating
the
needle
extreme
Remove
needle
Fig.
the
eccentric
looper
the
needle
wall
6)
ball
the
top.
of
4)
and
needle
at
to
slightly
desired
sure
opening.
STROKE
until
of
looperopening
ofradius
to
be
with
presser
screw
at
point
head).
right
head
eccentric
so
that
stud
ball
Retighten
the
needle
rotate
carrier
is
flush
the
right
that
it
the
adjusted
in
the
in
through
(A,
Turn
direct-
carrier
end
cover
its
are
down,
stud
point
Loosen
carrier
should
to
• 00 3
side
retard
results.
is
seated
needle
(D,
run-out
in
operating
right
foot.
Fig.
and
ball
slot
side
the
the
is
of
is
the
of
or
CAUTION:
against
point
Fig.
edge
the
following
of
is
at
3).
(E).
If
direction
the
cloth
Fig·
When
the
needle
the
left
The
needle
this
manner.
until
opening
6
adjustin
is
not
the
shaft
of
g
Insert
on
holder
a "V"
Turn
is
at
bottom.
crank
groove
and
groove
the
so
that
in
the
the
looper
is
seated
and
on
handwheel
Loosen
the
mainshaft
in
the
two
center
LOOPER
its
holder
in
the
looper
in
operating
screws
of
the
(See
Fig.
TIMING
so
holder.
crank
(A,
trade
7).
that
the
In
the
(B),
there
direction
Fig.
8)
mark
This
is
7
ADJUSTMENT
flat
on
its
left
end
of
is a trade
until
in
the
coincides
merely
the
looper
an
shank
the
''V"
with
approximate
corresponds
mainshaft
mark.
groove
crank
the
(A,
in
the
(B)
and
position
right edge
setting.
with
flat
Fig.
7)
is
mainshaft
the
of
the
''V"
Again
turn
is
over
from
the
handwheel
the
3/64
spot
to
5/64
LOOPER
in
operating
in
the
inch
needle.
(1.19
TIMING
direction
At
this
to
1.
98
ADJUSTMENT
until
time,
mm)
the
the
away
point
long
from
(Continued)
of
the
long
prong
the
left
of
end
prong
the
looper
of
the
of
the
should
needle
looper
be
eye.
The
short
prong.
not
prong
foot
between
The
come
of
and
in
the
the
the
Fig.
desired
the
Fig.
near
7).
height.
edge
Retighten
only a slight
the
looper
volves
coordinated
prong
long
contact
looper
needle
prongs.
8
of
amount
ball
adjusting
of
the
prong
with
should
on
The
The
approximate
the
inside
clamp
of
adjustment
looper
looper
it.
On
clear
its
return
adjustment
ball
adjusting shaft
ecting
tions
of
the
vertical
cured
(A,
Fig.
be
secured
clockwise
acts
the
positioning
hold
in
retightening
4).
The
rod
(C,
looper
er
extent
If
the
adjustment,
needle,
by
loosening
and
by
of
the
screw
height
shaft
Fig.
should
point
cross
should
continuing
the
right
stroke
rod
of
(C,
should
the
Fig.
looper
or
height
by
loosening
9)
right
by
turning
to
lower
reverse.
has
on
both
ends
looper
Fig.
7)
vertically,
than
the
looper
is
to
adjustment
the
turning
the
distance
link
pin
on
connecting
adjustment
(A,
Fig.
of
both
7
the
be
the
side
looper
(A,
7).
laterally
screws
or
left.
the
When
been
of
screws
holder
also
but
adjusting
radically
the
spot
can
clamp
connecting
from
should
is
required,
9)
as
the
connecting
needle
close
to
rotation
of
the
looper
enter
is
Fig.
The
and
the
secured
9)
looper
also
adjustment.
(D,
Vertical
the
shaft
(as
looper,
desired
acquired,
shaft
(D,
while
Fig.
connecting
adjusts
the
to a great-
shaft.
out
of
of
the
be
made
screw
(D)
rod,
the
back
be 4 1/16
rod
yoke
described
slightly
the
of
the
higher
needle
handwheel,
spot,
opening
crotch
and
of
the
by
manipulation
the
looper
ball
adjusting
looper,
provides a limited
Lateral
Fig.
or
viewed
turning
adjustment
4)
and
height
in
the
Fig.
shaft
Fig.
to
it
can
earlier.
rod
rolling
side
inches
maintain
be
and
the
of
the
(103.19
secured
Final
the
adjusting
than
but
the
should
the
in
the
presser
midway
of
looper
holder
shaft
amount
moving
adjustment
9)
counter-
clockwise
9
looper
front
ball
mm)
this
setting.
by
turning
setting
long
short
conn-
posi-
is
se-
shaft
can
to
the
to
(See
If
in-
shaft.
8
stud
marks
as
required,
down
Fig.
in
10
retighten
stud
to
SETTING
feed
needle
feed
needle.
mately
stud
way
tor.
screws
The
when
tor
stud
stud,
clamp
obtain a full
As
dog
is
dog
Feed
the
should
toward
The
slot
the
and
the
should
loosen
screw.
tooth
THE
the
needle
should
flush
is
3/32,:!:
depth
operator.
feed
(B,
in
eccentric
feed
punch
It
depth
FEED
contact
with
dog
should
be
horizontal
dog
Fig.
bar
be
towards
clamp
may
for
DOO
travels
the
right
1/32
of a full
9)
is
marks
be
inch(2.
depress
Dots
is
adjusted
on
the
stud
all
the
at
the
screw
necessary
shorter
from
feed
side
38,:!:.
tooth.
when
should
right
(C)
should
way
the
end
operator.
(E.
number
right
plates
of
cloth
feed
plates
Slot
feed
be
by
side
towards
of
Fig.
to
7)
rotate
of
to
left,
when
opening
79
mm)behind
approxi-
in
eccentric
bar
is
toward
means
of
the
be
horizontal
the
the
slot
To
position
and
position
the
stitches.
point
all
opera-
of
head.
opera-
in
punch
the
of
and
the
two
the
CAUTION:
looper
end
of
SETTING
Pressure
trolled
in
the
back
counterclockwise
and
turning
reverse.
tain a uniform
mark
drop
depressed.
Fig.
plates
setting
gap
plate
plates.
are
inside
be
opening.
the
and
material.
uniformly
4)
(F)
between
holders
approximately
edge
centered
two
move
Feed
at 3 S.
the
presser
FEED
by
two
of
the
Set
To
to
drop
at
front
is
to
have a 1/32
..
Set
spring
of
around
To
make
Allen
cylinder
the
feed
feed
dog
P.
I.
PLATES
on
the
nuts
cylinder.
increases
nuts
plate
stitch
The
when
adjust
uniformly,
of
plate
with
1/16
nuts.
set
screws
to
must
or
contact
foot
feed
feed
(A,
Fig.
clockwise
pressure
length
feed
the
feed
cylinder.
inch
stops
feed
dog
pressure
inch
Feed
presser
this
the
setting,
right
NOT
the
dog
plates
10)
Turning
the
acts
and
plates
cylinder
plates
set
The
(.
and
off
so
(1.
plates
foot
(A,
Fig.
or
graze
back
slot.
is
con-
located
them
tension
the
to
ob-
not
should
(E
stop
usual
79
mm)
feed
of
feed
screws
59
mm)
should
cloth
loosen
11)
left
as
to
is
..
required.
D
...
F
Retighten
A
Fig.
set
E
H
•
11
screws.
The
presser
the
hub
tighten
ridge
foot..
of
set
former
left
ridge
screws,
to
right.
former
tightening
must
(G
SETTING
be
set
To
make
..
Fig.
the
so
4),
set
RIDGE
that
this
center
screw
9
FORMER
it
is
in
the
adjustment,
ridge
on
the
center
loosen
former
flat,
in
first.
of
the
the
cloth
cloth
two
set
opening
opening
screws
andre-
in
in
The
that
when
the
needle
ment,
swing
handwheel
Now~
rotate
ed
while
its
sprocket
farthest
needle
the
ridge
is
over
open
until
holding
moving
the
arm
the
point
handwheel
(A)
forward
travel
SETTING
from
former
centerof
back
of
to
the
left
has
cover
the
or
rear.
needle
to
RIDGE
to
right
reached
the
width
and
loosen
is
keep
the
backward
FORMER
should
its
farthest
of
the
(Continued)
be
timed
ridge
screws
over
the
center
point
slightly~
of
the
until
travel
former.
in
sprocket
of
the
needle
the
with
to
the
width
over
ridge
the
rear~
To
make
(A,
the
former
ridge
Fig.
of
ridge
ridge
former
the
this
12).
former.
former,
has
point
adjust-
Turn
reach-
so
of
NOTE:
device
Mounted
former
can
tration
of
same
during
former
can
travel;
trate
ished
wedge
the
For
former
ing
ting
(C)~
degrees
former
word
screws
Remove
On
Style
is
in
is a spring
be
adjusted
from
can
full
travels
be
set
assuring
the
The
ridge
materials.
side
word
knit
should
on
disc
becomes
tip
to
up.
''SOFT"
in
''FINISH".
of
the
needle
should
be
adjustment.
to
the
needle,
(C).
When
To
change
down
former
under
and
right
rotate
drive
all
end
37500-8~
provided
the
for
presser
actuated
to
regulate
the
top
side
insure
travel
to
become a positive
same
(For
continual
of
the
to
the
point
that
distance
Styles
the
37500-1~
former
For
soft
of
the
ridge
''SOFT"
mater:ials,
(B).
showing
be
up
If
this
the
and
necessary,
cylinder
position
down
the
Retighten
does
same
Retighten
traveling
1/16
loosen
and
inch
not
rotate
screws
to
(1.
screws
retighten
sewin~
from
end
'SOFT"
disc
shaft
of
knit
(B) 180
should
cylinder
play
between
an
additional
the
yielding
foot
located
crown
the
of
the
contact
ridge
of
penetration~
needle
from
should
finished
former
on
round
the
is
not
loosen
and
wedge
screws
show
on
as
while
the
right
59
mm)
in
screws
finished
to
''KNIT"
degrees
be
on
(F~
depth
ofneedle
presser
former.
stop
will
the
top
-5~
be
set
materials~
should
disc
side
word
the
case
screws
rotate
side
in
disc
disc
necessary
thrusting
is
from
discs
while
material,
merely
taken
all
up
machine
handwheel
compensating
ridge
over
Fig.
former.
the
ridge
3),
which
pene-
foot.
with
As
in
always
of
-6
for
(B~
of
''KNIT"
disc
of
(B).
material
the
the
its
upward
the
Only)
soft
be
Fig.
the
and
in
(B) 180
the
(C).
to
Setting
ridge
crown
pene-
work.
fin-
up
11).
ridge
show-
reset-
disc
ridge
If
loosen
align
disc
over
the
the
front
(Band
ridge
C),
thrusting
use
loosen
and
retighten
between
Styles.
and
the
and
the
(B)
of
locate
disc
the
disc
sprocket
t
the
against
former,
the
ridge
(B)
round
screws
set
screws.
(C)
Q
word
ridge
to
side
in
and
(A)~
Fig.
''SOFT"
disc
(C).
at
this
former.
former
the
of
disc
End
thrust
retighten
1
2
with
When
time,
To
with
right
the
against
ridge
(C),
play
collar,
the
the
the
make
tip
cylinder
of
the
screws.
I
word
point
needle
this
respect
disc
former.
ridge
located
For
the
end
5/16
ure
of
is
turning
average
of
spring
an
inch
obtained
counterclockwise.
sewing,
adjusting
(7.
94
by
adjusting
mm)
the
screw
(as
cylinder
is
viewed
the
nut
main
inside
from
end
rear
clockwise
spring
of
of
and
pressure
hexagonal
machine).
10
less
is
set
head
More
pressure
correctly
nut
(B,
cylinder
is
obtained
Fig.
press-
when
12)
by