Singer 677B005, 677B007, 677B008 User Manual
SINGER
678B002,B005,B007
,BOOS
Service
Manual
Bnd-
Parts
List
6788002
6788005
6788007
6788008
IDENTIFICATION
OF
MACHINES
Each
ma.chine.
This
listed
are
herein.
given
noted.
Advanced
and
Tandem,
Throw,
Bar
Driving
System,
Feed
plate
Knee
Rocker
Support.
Press
Maximum
678B002
for
tions
7 2 8 4
5500
678B
rrachine
catalog
from
the
Operating
High
Top
Needle
Mechanism,
Filtered
Shaft,
for
Work
Three
attaching
on
light
needle
R.
P.M.
is
applies
References
operator's
direction
Speed,
Two
Screw
Bearing
Oil
Return
Single
Large
Handwheel
Presser
Space
needle
cuffs
to
medium
.
to
five
in
Standard
identified
APPLICATION
specifically
to
direction
position
of
handwheel
VARIEI'IES
and
Three
Adjusted
Needle
Single
Bar
Reservoir,
Pumps
Disc
Looper
and
Foot
Right
Lifter,
of
thread
one
operation
weight
Gauge
by a Variety
OF
to
the
such
while
is
OF
Needle,
Differential
Drive,
for
Thread
Improved
Equipped
Needle
Bar 8 1/4
interlock
to
knitted
materials.
No.
number
CATAI.CX;
standard
as
right,
seated
toward
MACHINES
One
Feed
Light
Enclosed
Head
and
Take-up
Belt
with
stitch,
undergarments,
Seam
16
only.
on a metal
Varieties
left,
at
the
the
operator.
Looper,
Flat
Weight
front,
ma.chine
One
Bed
Presser
PositiveAutomatic
Base,
Guard.
Disc
Inches
offset
Wakefield
with
an
Prepared
Type
(209.
differential
specification
Maximum
recommended
plate
of
ma.chines
back,
unless
Spreader,
Machines,
Bar
Lubricating
Bearings
Adjustable
for
Thread
55
mm).
feed
and
similar
605-FSa-1.
on
the
as
etc.,
otherwise
Offset
Medium
and
Needle
Cast-off
use
Tensions,
machine,
opera-
speed
for
with
cat.
f)78B005
for
light
to
602-BSa-1.
finished
Specify
678B007
for
light
to
605-BSa-1.
finished
Specify
recommended
678B008
for
tions
7 2 8 4
5500
Two
attaching
tomedium
the
wale
gauge
Three
attaching
to
medium
the
wale
throat
Three
patch
on
needle
R.P.M.
needle
cellarettes
or
parallel
cat.
widths
and
needle
cellarettes
or
parallel
cat.
widths
speed
needle
operations
light
to
.•
four
weight
7 2 8 4
3/4,
finished
five
weight
7 2 8 4
3/4,
plate,
five
medium
Standard
thread
material.
with
interlock
to
knitted
the
Long
wale.
needle.
7/8,
thread
rna
with
1,
11/4
width.
to
knitted
terial.
the
Maximum
interlock
Long
wale.
needle.
7/8, 1 and 1 1/4
gauge,
5500
thread
on
flat
weight
R.
P.M.
and
gauge
finished
interlock
ribbed
material.
No.
stitch,
offset
undergarments
lengthribbed
Constant
Standard
inches
strip
Gauge
(19.05,
recommended
stitch,
offset
undergarments
length
Constant
Standard
inches
width
stitch,
knit
ribbed
strip
Gauge
(19.
and
tandem
undergarments
Seam
16
only.
differential
and
similar
knit
strip
tension,
Nos.
22.23,
differential
and
similar
knit
strip
tension.
Nos.
05,
22.
23,
stitches
differential
specification
Maximum
feed
operations
cutperpendicular
Seam
8
25.40,
speed
specification
and
12.
5500
31.75
feed
operations
cut
perpendicular
Seam
14
25.
per
specification
and
16.
40,
inch.
31.75
Maximum
feed
and
similar
605-LSa-1.
recommended
machine,
Standard
mm).
R.
P.M.
machine,
Standard
mm).
machine,
opera-
cat.
speed
on
on
3
Cat.
The
7284
standard
(available
recommended
in
sizes
NEEDLES
needle
10
to
for
18).
machines
in
this
catalog
is
Selection
used.
stitch
ILLUSTRATIONS
Exploded
left
in
the
quired
position
bers
as
to
suffixes
Thread
formation.
This
hand
the
machine.
parts
in
Numbers
in
In
the
listed
be
ordered.
catalog
views
pages
are
the
of
ordering.
second
in
generally
of
should
of
so
listed
particular
in
the
a
part
this
The
proper
is
arranged
various
that
On
the
first
in
column
catalog.
prefix
are
needle
pass
ORDERING
parts
right
with
view
column
the
in
transposed
size
freely
sections
descriptions
illustration.
the
In
"910"
through
REPAIR PARTS
to
simplify
may
be
hand
being
are
examples
the
must
is
of
the
seen
pages
shown.
reference
third
be
as
a
determined
needle
ordering
mechanism
in
their
opposite
and
the
numbers
Do
not
below
column
used.
prefix
by
the
eye
to
replacement
are
actual
the
quantity
use
the
are
the
is
the
Additionally,
to
the
?art
size
produce
shown
illustrations,
of
only,
reference
part
coded
of
parts.
on
positions
parts
indicating
numbers
number
letter
number.
a
thread
good
the
re-
num-
ments
of
Ref.
No.
1
2
3
4
5
are
or
in
Pages
when
Components
are
The
this
Where
not
mentioned
this
A
the
indented
examples
catalog
Part
56381-219
51281
35772
22760
22845
the
the
catalog,
numerical
46
and
part
No.
same,
of
below
to
AC
H
A
B
parts
in
the
list
47
to
number
sub-assemblies
under
illustrate
910-56381-219
910-AC
910-H
910-A
910-B
for
the
descriptions.
the
facilitate
the
show
Order
As
35772
22760
22845
all
difference
variety
of
all
is
known.
which
description
how
to
the
51281
machine
number
parts
locating
can
order
instructions
Description
Cloth
varieties
will
be
When a
is
shown
the
be
of
the
using
Plate
Spring
Washer
Screw
Screw
shown
part
not
mentioned.
in
this
illustration
furnished
main
parts
above:
Lever
as
replace-
sub-assembly.
on
Page
-----------
-----------------
-----------------
------------------
------------------
covered
in
is
used
catalog
in
the
illustrations
this
in
all
appears
and
description
35
Qty.
1
1
3
3
1
catalog_
machines
on
4
FILL
MAIN
RESERVOIR
~~.-----~---.---/-_---=-·~~~~~---~
I
fo
HERE
Thread
The
machine
are
threaded
The
mustbe
in
top
located
in
''OPERATE"
of
''OPERATE"
oilif!.g
C
other
Oll
THREADING
machine
illustrated
in
substantially
oil
has
been
filledbefore
cover
or
and
to
the
th~n
equlvalent.
right
position
zone
keeping
add
Fig.
AND
starting
of
marked
1
OILING
as
indica
above
drained
oil
until
"OPERATE"
and add
the
DIAGRAM
ted.
The
is a three
the
same
from
to
operate.
needle
oil
when
"LOW".
main
reservoir
looper
the
of
zone
The
needle
manner.
machine
To
fillmachine
oil
gauge
marked
needle
machine
filled
CAUTION!
FILL
ALL
OIL RESERVOIRS
BEFORE STARTING.
MACHINE
BEFORE SHIPPING.
FOR
threading
machine,
before
(A,
''FULL
is
to
is
is
HAS
6 7 8 B
has
but
shipping
with
FiR.
•
the
black
automatically
necessary.
FOR
CORRECT
OIL LEVEL
NEEDLE
SHOULD
OPERATE POSITION
BEEN
t1achines
been
enlarged
the
two
oil,
1)
i~
Malntaln
line
OF
BE
DRAINED
needle
and
remove
on
~he
located
lubricated
Use
the
Singer
GAUGE
IN
for
clarity.
machines
reservoir
plug
qlack
Oll
level
to
the
and
screw
line,
left
no
Type
in
the
Excessive
main
oil
frame
in
to
the
the
main
left
reservoir
of
the
oil
may
gauge.
5
be
drained
at
the
plug
screw,
located
H
VAPOR
OIL
FRO:\I
CRA'-:KSR'\FT
LEFT
BCSHI='!G
mSPLASH
OIL
gOIL
lflorL
ACTION
RESERVOIR
FEED
RETURN
SCRE\\
BY-PAS"
6
\\'ITH
CH'TI
:c:T
M
''
I '
I
ADVANCED
FLA.
TBED
LUBRICATION
SYSTEM
Figure
Letter
A.
B.
c.
D.
E.
F.
G.
Bearing
Crankshaft
and
crankshaft
Needle
Head
ings).
Looper
lever
Opposing
end
vents
shaft
Right
Left
tric
lever
area
bearings.
of
mainshaft.
oil
bearing.
mainshaft
main
bearings
or
Machine
drives,
(all
drive
Helical
leakage
shaft
Area
upper
bearings.
cross
mechanisms
crank,
bearing
located
shaft
grooves
Short
from
bearing.
and
on
SUPPLY
ball
bearing.
and
looper
in
groove
right
all
mainshaft.
straps
bear-
drive
right
pre-
main-
ecc
en-
SYSTEM
Method
Oil
agitation
ions
rods.
Oil
supplied
Mist
Oil
(56343
connecting
Oil
splash
Supply
shaft.
Oil
and
troduced
r i g h t
Amount
shaft
in
on
trough
as a result
agitation
E)
drip
in
grooves
supplied
metered
controlled
right
of
Lubrication
as a result
needle
(51282
by
splash
as a result
on
bottom
rod.
plate
chamber.
from
by
into
mains
of
lubricant
end
of
lever
AE)
in
of
splash
of
which
in
right
hollow
felt
plugs.
center
haft
with
mainshaft.
of
extens-
connecting
which
column
in
column.
of
splasher
looper
accumulates
end
of
mainshaft
Oil
of
shaft
bearing
in
center
by-pass
area.
drive
main-
is
in-
in
the
area.
hole
is
of
H.
I.
J.
K.
Figure
Letter
L.
M.
Lower
mainshaft
Looper
rocker
per
rod
Right
joint.
Feed
rocker
Machine
Head
Base
looper
rocker
ends
eccentrics.
cone,
shaft
ball
shaft
Area
of
connecting
right
bearings,
joint.
rod
shaft
bearings.
and
and
needle
and
rods
left
looper
left
bearing
upper
RETURN
of
loo-
feed
SYSTEM
Oil
run-out
supplies.
Supplied
shaft
yarn
Oil
to
lubricating
Self-lubricated
Method
Felt
pump
primed
bearing.
Felt
return
and
accumulates
chamber.
from
which
as a metering
supplied
of
Return
pad
in
head
located
by
oil
pad
in
base
pump
primed
from
hollow
contains
from
plate
bearings.
collects
on
from
collects
located
by
oil
splash
eccentric
looper
4
device.
front
(56393
oil.
crankshaft
left
oil.
on
drip
plate
in
looper
bearing
rocker
strands
base
felt
K).
Return
crankshaft
crankshaft
and
Second
which
drive
of
7
INSTRUCTIONS
LUBRICATION
FOR
MECHANICS
CAUTION!
reservoir
before
the
damage.
beginning
oil
to
use
main
and
when
zone,
line,
CAUTION!
an
and
further
distribute
and
change
every
from
Fig.
machine,
cover,
reservoir
check
needle
marked
located
It
is
extended
directly
hand
For
lint
the
2000
main
2)
located
located
Oil
has
must
the
Singer
be
to
various
Type
at
oil
level
is
to
"FULL''.
to
It
is
important
recommended
period
oil
the
oiling
oil
to
the
machines
deposits
oil.
operating
reservoir
or
by
in
at
An
below
removing
at
the
been
filled
operate.
drained
to
parts.
C
plug
at
the
the
left
that a new
be
lubricated
needle
will
be
various
operation
reasonable
oil
change
hours.
by
removing
the
cloth
the
back
from
the
proper
Run
machine
Full
RECOMMENDED
oil
or
screw
gauqe
black
Oil
should
of
that
bar
required.
parts.
check
Oil
lower
of
machine.
speed
equivalent
in
(B) .
line,
"OPERATE"
these
machine,
as
follows:
link
and
the
intervals.
is
recommended
may
plug
plate
at
crank
the
main
level
as
slowly
operation
upper
Oil
located
be
added
machines
or
the
needle
Run
machine
oil
for
If
be
drained
screw
front
chamber
reservoir
indicated
for
OIL
in
crank
is
maximum
to
when
zone,
not
one
Remove
dirt
dirty,
(C,
of
the
several
can
the
main
chamber
the
needle
marked
be
over
that
the
bar.
slowly
before
on
oil
minutes
then
safe
right
filled.
has
been
head
Replace
for
shipment,
gauge
be
expected
reservoir.
cover
operating
of
is
to
"LOW".
out
cover,
head
several
so
(A,
Fig.
to
distribute
without
Fill
(A,
Fig.
level
"OPERATE"
the
black
of
service
clean
out
cover
minutes
as
the
1)
2)
for
lint
no
to
NOTE:
ceive
be
sure
holes
OIL
GAUGE
The
proper
ment
steps
1.
2.
3.
Looper
oil
thru
oil
in
mainshaftwhen
oil
oil
become
should
Place
or
Remove
Fig.
oil
Make
reservoir.
the
holes
gauge
level
necessary,
be
bench.
2)
from
avoid
mainshaft,
in
the
is
set
in
the
followed:
the
machine
the
oil
and
tip
the
reservoir.
sure
all
and
feed
eccentric
spot
screw
at
the
reservoir.
however,
upright
reservoir
machine
oil
is
lift
so
when
factory
Should
forward
drained
eccentrics
assembling
line
up
with
is
in
time
to
show
an
the
following
on a level
plug
screw
from
8
re-
spot.
adjust-
table
to
drain
main
oil
the
(C,
Fig.
2
8.
Add
''OPERATE"
Fig.
oil
so
3
that
zone,
gauge
marked
OIL
4.
5.
6.
7.
needle
''FULL".
GAUGE
Remove
the
back
Fill
main
tom
contour
Fig.
2).
Loosen
turn
the
needle
of
''OPERATE"
Tighten
and
lower
rests
(Continued)
lower
of
the
crank
machine.
reservoir
of
lock
nut
screw
rests
to
on
zone,
lock
nut
crank
on
the
black
to a level
the
knee
(E)
on
the
the
black
marked
(E)
and
chamber
line,
chamber
press
calibrating
left
or
line,
replace
cover.
located
cover,
even
shaft
right
until
located
"LOW".
plug
with
bushing
screw
to
the
located
the
(F),
the
gauge
to
the
screw
right
at
bot-
(D,
and
left
(C)
of
Remove
position
below
Make
wall
the
sure
of
collar.
clearance
Align
and
test
Machine
Style
678B002
fi7'3B005
670,"?.005
of
the
(Do
plate
the
needle
upper
it
is
bed
not
as
in
the
head
lever
crank
tilted
casting
allow
Fig.
needle
of
the
NEEDLE
cover
bearing
chamber
downwardly
at
the
the
oiler
3.
ALIGNING
bar
(A,
right
Test
gauge.
Plate
No.
698
BB-16
698
BB-8
698
BB-12
and
back,
to
Fig.
LEVER
upper
oiler
cover,
and
just
rest
on
4)
See
BEARING
crank
(A,
which
that
above
the
THE
and
chart
Fig.
lubricates
its
delivery
the
needle
NEEDLE
set
to
below.
Right
No.
699 D
699
699
OILER
chamber
3)
located
notch
lever).
BAR
height,
Test
Pin
R-8
R-12
end
of
using
cover
inside
the
(C)
the
needle
Allow
(G,
needle
contacts
1 I 64
the
Left
Fig.
the
arm
lever
lever
inch
proper
Test
No.
699
699
699
2).
casting,
stud
the
shaft
(.
40
test
Pin
L
L
L
Check
(B).
inside
stop
mm)
pins
6738007
673B007
673:SOOJ
Insert
right
hand
assemble
bar
is
height
plate,
of
when
test
test
test
located
the
pin
pin
plate
properly
needle
the
needle
None
698
698
No.
(See
to
machine
bar
699 L
Chart)
if
is
bar
BB-16
BB-16
in
the
test
correct
is
at
the
should
using
pins
when
its
lowest
left
be
the
align
the
None
699
699
seat
inserted
throat
with
shoulder
position.
9
of
plate
D
D
the
the
needle
in
the
attaching
holes
of
the
holder
right
in
test
needle
screws.
the
test
pins
699
699
699
and
rest
L
L
L
the
seat.
The
plate
on
proper
Now
needle
and
the
test
the
and
holes
4)
and
If
test
Size
of
turn
plate
as
required)
throat
bar
ALIGNING
and
plate.
as
required.
test
and
To
pins
align
align
THE
are
the
needle
Tighten
NEEDLE
not
available,
needle
bar,
clamp
BAR
bar
so
loosen
screw.
(Continued)
insert
the
needle
a
needles
bar
new
set
center
clamp
of
needles
screw
in
the
(Type
needle
(B,
Fig.
Check
needle
motions,
Insert
in
the
back
gauge
plate
plate
screws
indicator
handwheel
looper
andset
er
right
set
wheel
rocker
theindicatorso
rests
end
screw
in
contacts
zation,
same
scale
scale
ting
to
this
the
reading.
is
when
direction,
be
moved
shaft
SYNCHRONIZING
the
synchronization
using
the
pin,
hole
on
the
for
in
the
take-up
in
operating
contacts
against
of
the
and
note
the
reverse
the
plate.
pointer
A
allowable.
the
handwheel
the
to
the
will
have
gauge
which
in
the
throat
attaching.
direction
the
thatthe
the
top
pointer
indicator
direction
If
the
of
the
variation
If
the
looper
rear.
to
be
No.
is
included
looper
plate
seat
Place
wire
hole
edge
leftend
of
the
rests
reading.
motions
indicator
of
one
reading
is
turned
drive
If
lever
the
moved
LOOPER
of
the
looper
21227 R as
with
rocker.
using
the
shank
in
bed.
until
of
the
the
gauge
ofthe
needle
at
'b".
bar
Tighten
Turn
until
are
will
the
in
synchroni-
return
graduation
is
higher
in
the
shaft
reading
to
the
front.
AND
follows:
the
gauge,
Place
the
throat
Turn
pin
point-
and
the
pin
on
on
opera-
will
is
lower,
NEEDLE
and
the
of
the
the
in
the
plate
the
the
hand-
again
to
the
the
the
have
MOTIONS
NOTE:
If
chronization
Insert
ion
until
side
looper
moves
of
point,
to
the
right
gauge
may
the
point
needle
then
the
left,
No.
be
looper
of
turn
and
21227 R is
checked
in
the
looper
the
looper
(B).
Note
handwheel
is
even
not
as
follows:
(A,
the
with
available,
Fig.
rocker
Fig.
height
in
the
the
5
and
5),
of
the
reverse
left
side
syn-
turn
moving
eye
direction
of
handwheel
to
the
of
the
until
the
right
left
needle
the
needle.
Fig.
in
operating
is
even
with
looper
4
with
respect
point
direct-
the
left
to
again
the
10
If
the
motions
looper
If
the
the
point
distance
pulley
chronizing
reverse.
SYNCHRONIZING
synchronize,
will
be
the
is
stud
from
turned
(A,
the
in
Fig.
eye
the
LOOPER
the
same.
of
operating
6)
to
the
the
height
A
variation
needle
rear.
AND
NEEDLE
of
the
to
direction,
Moving
eye
of . 005
the
point
move
it
MOTIONS
of
the
needle
inch
of
the
the
in
the
opposite
(Continued)
with
(.127
mm)
looper
looper
respect
is
is
greatest
drive
direction
to
allowable.
when
shaft
syn-
acts
the
the
Moving
follows:
stud
to
rear
stud,
cloth
cover,
tor,
is
plate,
then,
is
all
NOTE:
it
and
the
rocker
make
shaft
metal
With
check
the
connecting
nut
(C,
Fig.
left
end
of
looper
clamp
(C)
setting
the
of
(Fig.
travel.
as
center
the
rocker
screw
required.
can
looper
6),
Refer
of
Loosen
(away
all
that
throat
that
Looper
bed
by
to
the
location
rod
5)
the
(B,
be
line
when
the
looper
the
clamp
from
is
required.
plate
a
light
is
tap
required.
drive
casting.
compressing
metal
looper
at
of
bearing,
and
place
gauge
cone
should
(D).
Fig.
Tighten
checked
of
the
lever
stud
looper
to
''NOTE"
drive
screw
operator),
To
support,
on
the
lever
All
(C,
end
the
contact
the
the
hole
extreme
center
using
in
with
gauge
gauge
locate
If
adjustment
6)
and
reposition
clamp
screw.
with a scale.
looper
rocker
should
is
at
the
in
above
Fig.
lever
(B,
a
shaft
Fig.
light
move
oil
looper
Fig.
play
''0"
the
6)
must
ring
bed
right
line
No.
over
against
is
necessary,
the
If
The
cone
be 4 1/16
extreme
paragraph.
6
synchronizing
6)
of
tap
stud
forward
reservoir
drive
has
lever
an
be
until
casting.
end
of
the
21227
threaded
the
right
looper
gauge
is
distance
and
the
inch
right
the
looper
with a small
(toward
top
cover
rocker
oil
seal
collar
removed
drive
from
lever
Tighten
of
its
travel,
right
CX.
Remove
stud.
side
looper
The
of
loosen
drive
not
lever
available
between
center
(103.19
end
line
mm)
of
stud
drive
hammer,
shaft,
and
(C)
screw
the
the
its
is
accomplished
lever
operator),
and
oil
toward
an
"O"
the
looper
and
the
(B).
(C).
To
directly
remove
reservoir
the
ring
drive
oil
seal
Fig.
7
as
move
on
the
the
back
opera-
between
lever
collar
11
SETTING
THE
LOOPER
Insert
looper
gauge
distancefrom
(4.
76
mm)
21225-3/16
below
styles
and
obtain
(F).
for
of
nut
the
Make
needle
machines.
{G)
3/16
ment.
Machine
678BC02
673BOOS-'3
6788005-12
678'3007
673B007-16
673.3003-16
-16
-14
a
new
is
when
can
on
sure
the
needle
3/16
inch
centerof
the
looper
be
used
Type,
If
adjustment
connecting
inch
(4.
76
the
left
in
the
right
(4.76
the
right
is
at
advantageously
looper
mm)
ball
gauge
rod
(H),
dimension.
joint
Needle
Type
Cat.
Cat.
Cat.
Cat.
Cat.
Cat.
7284
7281
7284
7284
7284
7284
mm),
its
is
required,
turn
is
in
needle
for
example,
needle(E)
farthest
in
setting
the
Retighten
vertical
Looper
3/1611(4.76
7/32
7/32
3/16
3/16
3/16
seat,
type
set
to
the
position
making
and
loosen
this
looper
nut
connecting
both
position
Gauge
Setting
11
(5.
56
11
(5.
56
11
(4.
76
11
(4.
76
11
(4.
76
and
the
looper
pointof
to
the
adjustment.
gauge
{F)
(it
rod
nuts,
and
does
mm)
mm)
mm)
mm)
mm)
mm)
size
the
as
looperis
right.
number
has a left
forward
first
not
specified.
(D,
Fig.
Looper
Refer
for
or
nut
{G)
bind
Looper
21225-3/16
21225-7/32
21225-7/32
21225-3/16
21225-3/16
21225-3/16
6)
so
3/16
gauge
to
the
various
hand
thread)
backward
and
then
after
adjust-
Gauge
Number
If
the
the
inch
No.
chart
to
nut
The
it
moves
Fig.
7)
needle
If
(J,
Fig.
ing
stop
and
turning
Holding
lock
screw
The
inch
flush
Fig.
(1.19
with
4)
should
bar
either
The
slots
in
looper
to
the
brushes,
(B).
adjustment
6)
and
screw
it
looper
(J)
height
mm)
the
left
and
move
be
taken
up
or
needles
throat
is
set
correctly
left,
turn
clockwise
but
is
behind
does
necessary,
stop
screw
sets
counterclockwise
to
the
when
front
setting
while
SETTING
of
the
needle
(Fig.
needle
not
side
to
5)
below
of
the
bar
distur"b
down.
are
to
have
plate.
SETTING
the
not
is
(C,
needle.
{A)
the
equal
in
line-of-feed,
needle,
pick
at
loosen
(K)
as
the
looper
acts
making
obtained
HEIGHT
Fig.
the
underside
up
or
alignment
clearance
THE
its
the
rear
lock
required.
to
the
this
adjustment
and
recheck
OF
4)
is
correct
If
adjustment
down
as
of
MAIN
if,
as
point
of
(A,
the
screw
Turn-
the
rear
reverse.
NEEDLE
of
the
is
required
the
needle
on
the
FEED
may
the
adjustment.
BAR
when
looper,
necessary,
and
bar
right
DOG
prove
the
top
with
retighten
when
and
Fig.
of
the
loosen
moving
left
8
helpful.
its
eye
looper
screw.
sides
Tighten
is
screw
the
needle
of
needle
3/64
point
(B,
Care
The
3/64
dog
the
inch
should
To
feed
main
raise
dog
feed
(1.19
be
or
holder
dog
mm)
centered
lower
(B)
should
above
in
the
to
the
the
main
set
be
slots
the
set
to
throat
of
feed
feed
rise
plate,
the
dog,
dog
the
at
throat
loosen
at
specified
depth
the
plate
Allen
12
of a full
highest
at
maximum
screw
height.
tooth,
point
(A,
or
approximately
of
travel.
feed
Fig.
Retighten
travel.
8)
and
screw
The
feed
adjust
(A).
SETTING
TilE
.lVIAIN
FEED
DOG
(Continued)
NOTE:
setting.
The
throat
of-feed,
screws
move
The
the
throat
throat
should
A
change
main
plate
loosen
(C).
feed
bar
differential
plate,
plate
be
parallel
feed
at
maximum
screws
To
adjust
as
at
maximum
of
feed
dog
required.
SETTING
feed
at
the
to
the
dog
should
feed
(C,
main
dog
highest
feed
top
height
travel.
Fig.
feed
Retighten
THE
should
will
have
8)
dog
DIFFERENTIAL
point
travel.
surface
necessitate
equal
also
clearance
To
adjust
and
position
in-line-of-feed,
nut.
be
set
of
travel
In
addition
of
the
the
to
rise
and
throat
a
on
main
feed
FEED
center
to
plate
check
all
dog
loosen
the
this
of
sides
feed
as
DOG
depth
in
the
across
the·rearneedle
of
feed
dog
across-the-line-
required.
nut
of a full
the
feed
teeth
the
slots
(A,
Fig.
tooth
slots
of
the
line-of-feed.
guard
in
the
Retighten
9)
and
above
of
the
feed
dog
To
the
feed
Loosen
or
backward
ential
with
securely.
NOTE:
through
the
feed
the
throat
raise
dog
top
Turn
its
plate
or
at
set
as
bar
surface
machine
cycle
lower
the
required
screws
required.
(D)
to
and
at
the
the
(C,
The
be
rotated,
of
the
by
hand
does
forward
differential
height.
Fig.
throat
not
9)
loosening
so
to
make
contact
end
Fig.
Retighten
and
the
plate,
of
its
9
feed
dog,
move
of
set
differential
across-the-line-of-feed.
sure
the
main
travel.
13
loosen
screw.
the
screws
the
differential
feed
differential
feed
dog
(C)
at
screw
will
dog
back
feed
also
can
feed
(B,
be
dog
end
Fig.
bar
(D)
allow
aligned
Tighten
has
of
its
9)
and
forward
the
differ-
parallel
screws
clearance
travel
set
or
SETTING
THE
DIFFERENTIAL
FEED
RATIO
The
loosening
selector
The
screw
through
side.
slide
amount
decreases
screw.
ratio
set
dog
Moving
(B)
This
of
at
the
clears
differential
screw
slide
and
selector
the
top
the
toward
of
differential
the
Class
3 I 4
to 1 up
main
the
main
Fig.
11
feed
(A,
Fig.
(B)
to
the
slide
of
the
cloth
differential
the
front
and
differential
ofmachine
to a gathering
feed
dog.
feed
ratio
10)
and
desired
plate
moving
feed.
has a stretching
Turn
at
the
CHANGING
complished
a
screw
stitch
lengthens
is
regulating
toward
(A).
bearing,
key
is
moving
position.
are
accessible
on
feed
increases
selector
Retighten
ratio
machine
back
Set
left
hand
(B).
and
marked
To
slot
set
by
the
the
left
the
it
back
of 2 to
by
end
STITCH
the
stitch
by
Turning
turning
the
with
stud
the
''L"
prevent
the
in
the
hand,
of
its
loosening
thread)
stitch.
an
toward
lengthens
destructive
Key
ferrule
1,
depending
making
stroke.
LENGTH
to
the
and
screw
it
in a counterclockwise
The
'S"
and
the
screw
(D)
(E).
sure
required
locknut
turning
(B)
clockwise
head
an
"S"
shortens
the
stitch.
damage
must
"L",
Fig.
on
the
length.
(A,
the
of
engage
10
the
length
differential
Fig.
stitch
shortens
the
mainshaft
moving
the
Retighten
to
the
the
of
This
11)
adjusting
direction
the
stitch
feed
"U"
stitch
feed
is
ac-
(it
has
the
(C)
stitch
and
locknut
drive
shaped
NOTE:
rear
the
of.005inch(.127mm)
vertical
of
the
merely
NOTE:
feed
SETTING
left
moves
not
possible,
until
of
the
contact
time.
loosen
required
rotate
and
Any
needle
Set
the
rear
of
face
looper
loosen
Adjustment
dog
height,
Set
the
needle
behind
pick
at
the
point
left
the
To
screws
and
needle
retighten
change
guard
rear
the
right
approach
(E),
screw
FRONT
front
back
the
the
left
yet
have
of
needle.
rear
move
retighten
guard,
screws
guard
(A,
in
setting
needle
needle
moving
of
NEEDLE
needle
toward
needle.
needle.
its
vertical
the
looper
The
needle
Fig.
loosen
stitch
SETTING
guard
ispermissible.
within
(F),
the
the
front
guard
forward
screws.
after
length
and a check
(
C,
(D)
when
about
to
the
move
rear
GUARD
guard
The
It
12)
so
path
looper
should
face
is
just
needle
or
or
move
screws
guard
will
THE
left,
needle
needle
To
REAR
Fig.
1 0)
at
It
3 I 64
is
that
of
the
may
be
push
past
guard
right
backward,
needle
raise,
(B),
is
necessitate
of
the
feed
NEEDLE
horizontally
its
most
shouldbe
inch
(1.
even
guard
guard
it
pushes
looper
brush
set
as
the
left
the
left
should
needle
guard
lower
move
properly
dog
forward
19
with
as
required,
will
the
as
but
low
needle
side
not
at
any
merely
guard
set.
a
corresponding
height.
GUARD
so
that
point
set
aslowaspossible,
mm)
the
it
as
as
or
of
the
needle.
and
necessitate
it
does
of
travel.
needle,
To
move
retighten
a
not
check
Fig.
change
quite
A
clearance
yethave
until
needle
screw.
of
the
12
in
contact
the
point
guard
main
the
its
NOTE:
setting.
A
change
in
stitch
length
WILL
NOT
14
require
a
change
in
front
needle
guard
The
presser
entirely
thread
foot
is
released
tension
raised
when
(A,
disc
there
THREAD
release
to
within
the
presser
If
adjustment
Fig.
13),
separator
should
is
1 I 8
located
as
be
no
TENSION
set
correctly
inch
foot
is
(3.
has
needed,
at
the
required.
binding
RELEASE
when
17
mm)
reached
loosen
back
Retighten
at
any
of
its
of
the
point.
it
begins
the
end
highest
tension
machine
screw.
to
function
of
its
position.
release
and
After
travel
lever
move
tension
adjustment
as
the
and
screw
is
Fig.
bar
is
on
the
driver
by
turning
foot
the
spreader
13
If
adjustment
in
the
throat
to
obtain
can
be
Set
the
SETTING
if
lever
approximately
surface
the
lever
with
is
low
position.
plate
surface~
the
handwheel
removed
presser
when
raised.
The
it
is
(B,
bottom
is
the
needed,
1 I
16
so
as
mentioned
bar
collar
HEIGHT
height
possible
Fig.
of
the
surface
released
feed
dog
turn
Loosen
pry
inch
that
(1.
needle
(D,
SETTIN"G
OF
of
the
to
remove
13)
1116
presser
of
and
down
handwheel
screw
up
presser
59
mm)
bar
in
previous
Fig.
THE
PRESSER
presser
is
fully
inch
(1.
bar
head
the
presser
below
(C),
bar
setting
is
in
14)
so
SPREADER
BAR
bar
(A,
the
presser
depressed.
59
mm)
connection
opening
in
foot
the
throat
in
operating
then,
while
connection
and
retighten
its
high
paragraph.
that
the
Fig.
foot
clearance
and
the
resting
plate.
direction
holding
and
position
presser
14)
when
Also
guide
bed
guide
screw.
foot
is
there
between
(B,
when
on
the
until
presser
and
does
set
correctly
the
foot
lliter
should
lower
Fig.
the
throat
foot
the
foot
14)
lliter
plate,
needle
down
with a screw-
Check
see
if
not
setting
presser
contact
be
and
Set
the
14)
and
moving
travel.
the
front
Measurement
two
extreme
Set
the
of
the
accomplished
to
position
arc
ball
bed
the
travel
the
spreader
Machine
stud
when
by
loosening
carrier
of
the
connecting
of
the
spreader
arc
678B002-1C
678:3005-8
6783005-12
67'3'3007-14
678B007-1€
678BOOS-16
(G,
Fig.
at
the
middle
nut
properly.
spreader,
link
travel
14)
in
of
{J)
and
as
(F)
up
arc
travel
points.
the
spreader
its
moving
15
listed
or
down
Spreader
11116"
9116"
518"
21132"
11116"
11116"
travel
the
below,
is
made
(17.46
(14.29
(15.88
(16.
(17
(17
holder
as
spreader
by
to
the
by
Arc
Travel
mm)
mm)
mm)
67
mm)
.46
mm)
.46
mm)
carrier
viewed
loosening
desired
nut
amount
placing a scale
(H)
square
in
Figure
rocker
14.
shaft
(E,
Fig.
of
arc
between
to
the
This
arm
(K)
is
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