Nakajima 281LY-B User manual
INSTRUCTION
BOOK&PARTS
BOOK
MODEL
1
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281LY-B
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(Large rotary hook)
Single Needle, Lock Stich,
Compound Feed Sewing Machine
With
Automatic Thread Trimmer
<$>NAKAJIMA
SEISAKUSHO CO.,LTD. J
From the library of: Superior Sewing Machine & Supply LLC
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CONTENTS
page
CAUTIONS
BEFORE
OPERATING
THE
MACHINE
.......
2
CAUTIONS
WHEN
OPERATING
THE
MACHINE
..........
2
1.
SPECIFICATION
.............................................................
2
2.
PREPARATION
BEFORE
OPERATING
THE
MACHINE
................................................................
3
2-1
SETTING
UP
THE
MACHINE
................................................ 3
2-2
CONNECTING
THE
MACHINE
WITH
MOTOR
.......................... 3
2-3
SYNCHRONIZER
INSTALLATION
.......................................... 3
2-4
UPPER
AND
LOWER
NEEDLE
STOPPING
POSITIONS
............... 4
3.
CAUTION
IN
USE
..........................................................
4
3-1
LUBRICATION
................................................................... 4
3-2
ADJUSTING
OF
THE
OILING
TO
THE
HOOK
PART
.................. 4
3-3
INSTALLING
THE
BELT
COVER
..
·....·....·......·....·
..
·....·.......... 5
4.
HOW
TO
SET
THE
MACHINE
..................................
5
4-1
SETTING
THE
NEEDLE
....................................................... 5
4-2
WINDING
THE
BOBBIN
THREAD
.......................................... 6
4-3
THREADING
THE
UPPER
THREAD
....................................... 6
4-4
ADJUSTING
THE
STITCH
LENGTH
AND
REVERSE
FEED
......... 7
4-5
THREAD
TENSION
............................................................. 7
4-6
THE
NEEDLE
THREAD
TENSION
.......................................... 7
4-7
ADJUSTING
THE
BOBBIN
THREAD
TENSION
......................... 8
4-8
THREAD
TAKE
UP
SPRING
................................................. 8
4-9
ADJUSTING
THE
PRESSER
OF
PRESSED
FOOT
....................... 8
4-10
TIMING
OF
NEEDLE
AND
ROTATING
HOOK
.......................... 8
4-11
ADJUSTING
THE
HEIGHT
OF
FEED
DOG
............................... 9
4-12
ADJUSTING
THE
HEIGHT
OF
PRESSER
FOOT
AND
FEEDING
FOOT
·................·....·....·................·
..
·
..
·
..
·.... 9
4-13
ALTERNATE
STROKE
AMOUNT
OF
PRESSER
FOOT
AND
FEEDING
FOOT
..................................· 9
4-14
ADJUSTING
THE
LONGITUDIAL
POSITION
OF
THE
NEEDLE
BAR
FRAME
.............................................
10
4-15
POSITION
OF
THE
REVERSE
FEED
SOLENOID
.......................
10
4-16
HOME
POSITION
OF
THE
ROTARY
KNIFE
.............................
10
4-17
ADJUSTING
THE
THREAD
TRIMMING
CAM
...........................
11
4-18
HOW
TO
MANUALLY
OPERATE
THE
THREAD
TRIMMER
........
II
4-19
HOW
TO
REPLACE
THE
KNIVES
..........................................
11
4-20
AUXILIARY
THREAD
TENSION
CONTROLLER
........................
12
4-21
PRESSURE
OF
THE
FIXED
KNIFE
.........................................
12
4-22
STITCH
LENGTH
AND
SPEED
..............................................
12
5.
PHENOMENA,
REASON
AND
ITS
CORRECTIVE
MEASURE
AT
THE
THREAD
TRIMMING
..........................................
13
6.
COMPONENT
PARTS
...................................................
14
6-1
MACHINE
PARTS
...............................................................
14
6-2
LIST
OF
PARTS
·................................................................
18
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SPECIFICATIONS
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MODEL
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Thank
you
for your purchasing our sewing machines. Please carefully
read this instruction book before operating the machine to prolong ther
machine life and
to
keep the machine always
in
good
condition.
CAUTIONS
BEFORE
OPERATION
1) Never operate the machine without lubrication.
2)
After setting
up
your machine, make sure that it runs
in
the correct
direction; lower the needle
by
turning the handweel and witch the
handweel's revolution by momentarily switching the power
"on"
(correct rotational direction
of
the handwheel: counterclockwise when
viewed
from
the handweel's end).
3)
Run
the newly installed machine at a speed of 2.000
s.p.m.
or lower
for the first 4 week.
4)
Don't hold the machine by its synchronizer behind the handweel when
you
move
the machine head for installation.
5) Confirm the ratings of your power source
by
the machine plate stuck
on
the motor (power voltage, phase etc.).
CAUTIONS
IN
OPERATION
1) Don't put your hand under the needle
when
you turn
"on"
the power
switch and the machine is running.
2)
Don't put your hand into the thread take-up cover while the machine is
running.
3)
Don't forget
to
cut off the power supply before
you
tilt the machine
head backwards
or
replace the V-belt.
4)
Never bring your fingers or hair close
to.
or place anything
on
the
handweel, V-belt. bobbin winder wheel or motor during operation. It
may
lead to serious personal injuries.
5)
If
your machine
is
provided with a belt cover, finger guard and eye
guard. never operate your machine with any of them removed.
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Automatic backtacking device With backtacking by push button
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Thread
to
be
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Sewing speed
(MAX)
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Stitch length
~NM-A
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Needle
bar
stroke
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Presser
feet lift
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Needle
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Sewing hook
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Lubrication
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Motor specifications
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Medium-heavy
and heavy weight materials
#
40-
# 8
2400
s.p.m
0-8
mm
38
mm
;flflX.J:,f9
mm
IUU:,f15mm
9mm by hand lever 15mm by knee lifter
DPX17
#23
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Large
rotary
hook
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(1ii$13fiJJt~idJ)
Hand oiling (Hook
part
lubricated automatically)
2P-400W
(Electro-motor)
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Use
M type of motor pulley
and V-belt.
0 Lower the speed
in
case the
thread was cut
by
over
he-
ated.
0 Please
do
use our selected
component parts especially
such as the
feed
dog,
hook,
bobbin case and bobbin.
From the library of: Superior Sewing Machine & Supply LLC
Fig 3
Cord Color
~lue
'
~ange
::.,
Yellow
Brown
Green
Red
Fig 4
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PREPARATION
BEFORE
OPERATING
THE
MACHINE
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SETTING UP THE MACHINE
1) Install the machine on
the
flat
surface
floor.
otherwise
may
cause
excess vibration.
2)
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2)
Positioning of knee lifter shown in the
draw-
ing.
Wrong
positioning of knee lifter will
cause
operator
tireness
and low efficiency.
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(Note) The knee lifter should be mounted before the
motor is installed.
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2-2 CONNECTING THE
MACHINE WITH MOTOR
0 Use motor's
thread
trimming speed
be-
tween
190-210
s.p.m.
Type
of
Operation o 8
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OSignal cord color of machine is shown in
the Fig3. Confirm carefully motor's
instruction when connecting each cords.
0 White and black
cords
are
not used in
this
machine.
Solenoid
for
thread trimming
Solenoid
for
Reverse sewing
Switch
for
reverse
sewing
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2-3 SYNCHRONIZER INSTALLATION
Install the
synchronizer
and its accessosies
as
shown in the Fig4 and then fasten
their
set
screws.
Fix
the
cord by a nylon clamper so
as
not to touch
to the V-belt.
From the library of: Superior Sewing Machine & Supply LLC
Fig 5
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3-3 INSTALLING PROCEDURE
1)
Insert belt cover support
CD
and ®
in
the tapped hole
in
the machine arm.
2)
Fit belt cover
®onto
the support.
3)
Install side
plate@.
4)
Tilt the machine head . and check that
the belt cover does not touch the belt
slot
in
the machine table.
5)
Place bobbin winder
in
the belt cover.
and position it so that it does not con-
tact the machine arm or the belt cover
before fixing it with the wooden
screws.
4.
HOW
TO
SET
THE
MACHINE
4-1
SETTING THE NEEDLE
Use
DP
X17(
135
X 17) type needles. but
select correct size and number of it that
meets the material and the needle thread
to
be
used.
1)
Turn the balance wheel over toward
you
until the needle bar reaches its
highest point.
2)
Loosen the needle clamp screw.
3)
Hold
and insert the needle into the
needle bar hole as deeply as it will
go,
keeping the long groove of the needle
to
the left and the eye of the needle
in
line
with the machine arm directly.
4) Securely tighten it with the needle
clamp screw.
From the library of: Superior Sewing Machine & Supply LLC
;f.' 1!.;;
.fiJI
.it
Trip
latch
Fig
12
Fig 13
Fig 14
k~J.Ht~nnt:1
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4-2
WINDING
THE
BOBBIN
THREAD
OHow to wind the bobbin thread
1)
Fasten
the bobbin winder base with
wood
screws
where the bobbin winding
wheel contacts correctly with belt.
2)
Pass
thread
in
the
order
from
CD
to @
and wind the
thread
around the bobbin
a few times.
3)When the thread is wound unevenly on
the bobbin,
adjust
it by sliding the
thread
tension discbase to the left
or
right.
4)
Adjust
to bobbin
winder
adjusting
screw
so
that
the
thread
is wound
around
the bobbin by about
80%.
oRemoving the bobbin case
Remove the bobbin case by
raising
its
latch with fingers.
OThreading the bobbin thread
1)
Lead the
thread
through the
threading
slot of bobbin case and pull the
thread
comes passing
under
the tensions
s~
to the delivery eye of the bobbin
ca.:se·.
2)
Insert
the bobbin case into the hook by
holding its latch with fingers.
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4-3
THREADING THE
UPPER
THREAD
Turn
the pulley until the
thread
take-up moves to its
highest point and then lead the
upper
thread
in the
order
shown in Fig14.
From the library of: Superior Sewing Machine & Supply LLC
Fig
15
7,.
1
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Fig
16
7.1 .
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Touch back
switch
X
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Fig 17
Fig 18
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4-4
ADJUSTING
THE
STITCH
LENGTH
AND
REVERSE
FEED
Turn
the stitch length regulating dial, and
set
the desired figure the dial to the
indicator pin.
The
figures of dial show the stitch length
by milimeter. When adjusting the stitch
length from longer one to
shorter
one,
turn
the dial with the
reverse
stitch lever
pressed down.
* Reverse stitch
1)
Press down the reverse stitch lever.
During the lever is pressed down. the
machine sews backwards.
2)
When the lever is released,
it
automati-
cally
turns
to its original position and
the machine sews forward.
*Touch back
1)
Depress switch, and the machine will
imediately run
in
the reverse direction.
2) Reverse stitch is made as long
as
you
keep depressing the switch.
3) Release the switch for forward sewing.
0 Position of the switch.
Adjust the position of the switch for
your convenience. Loosen set screw and
adjust the position of the touch back
swicht
as
desired.
4-5
*•.:r
4-5 THREAD TENSION
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4-6
J:*~:t.JO)Ii!Jil
WELL SEWN (Upper and lower
thread
well link-
aged at the center of fabric)
NO
GOOD
(Upper thread tension too strong
or
lower thread tension too weak)
NO
GOOD
(Upper thread tension too weak
or
lower
thread tension too strong)
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4-6 THE NEEDLE THREAD
TENSION
Turn
thread tension nut clockwise to
increase
or
counter clockwise to reduction
the needle thread tension.
-7-
From the library of: Superior Sewing Machine & Supply LLC
*-~'H·tJ
t
Thread tension
screw
Fig
19
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X.
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A Presser regulating
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Fig
22
II:
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Set screw
it
Needle
Fig 23
11i
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4-7
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4-7 ADJUSTING THE BOBBIN
THREAD TENSION
Adjustment is done by
turning
the
thread
tension
screw
toward
right
or
left.
Proper
tension when the bobbin
thread
is pulled
out
from
the
bobbin case will be about
30
-
50g
of which tension the bobbin
case
is
not fallen by its weight.
4-8 THREAD
TAKE
UP SPRING
0
When
you
want
to change the
stroke
of
the
spring.
1)
Stroke
of take-up
spring
is
adjust
by
moving
stopper
to
the
left
or
the
right
after
loosening
stopper
screw.
2) Move the
stopper
to
the
right
to
incr~
or
to
the
left to reduce the
stroke
o .
take-up spring.
~
--
__
__,'
0 When you want to change the tension of
the spring.
1)
Tension of the take-up
spring
is adjust-
ing
by
turning
stud
counter
clockwise to
increase
or
clockwise to reduce
after
loosening nut.
4-9 ADJUSTING THE
PRESSER
OF PRESSED FOOT
Turn
the
pressure
adjusting
screw
A to
the right to increase
the
pressure,
and to
the left to decrease. Set the
pressure
adjusting
screw
B to position
around
8
mm.
After adjusting, fix both
screw
A and
B with nut.
4-10 TIMING OF NEEDLE
AND ROTATING HOOK
For
the
standard
method of the
sewing
hook timing please follow
as
under;
1)
Turn
the
balance wheel
over
toward
you until the needle reaches to
the
position of 2.2mm from its lowest point.
2)
At
this
position, the blade tip of
the
hook should be
at
the
center
line of
the
needle.
3) At
this
instant.
the
clearance between
the blade tip of
the
hook and the
upper
part
of
the
needle hole should be 2.0mm.
4) Install
the
hook so
as
to obtain
0.05mm
clearance between
the
blade tip point of
hook and the
side
part
of needle.
Note: When
setting
the
timingof
the
needle
and
the
hook, be
sure
to
set
the
stitch
adjusting
dial to
..
0
".
From the library of: Superior Sewing Machine & Supply LLC
Mf;f,:,;
Screw
Fig
24
Fig
25
Fig 26
Fig
27
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Feed dog
Throat
plate
Screw
4111X.J:,ft--;{-
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_
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Lifting
lever
__
...
,_,~
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@
J:)!
IJ
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t.i
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Feeding foot
height (height)
@
~~;jfji;{.JE.Ii~
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Presser
foot
height (low)
4-11
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4-11
ADJUSTING THE HEIGHT
OF FEED DOG
Feed
dog is
factory-adjusted
to
just
out
1.2
mm
from
the
surface
of
throat
plate.
When
the
feed dog
height
needs
to
be
adjusted
according
to
the
sewing
specifica-
tions
or
after
the
feed dog
is
replaced, do
as
follows:
1) Loosen
screw.
2) Move
the
feed
bar
up
or
down to
perform
adjustment,
then
securely
tighten
the
screw.
4-12
ADJUSTING
THE
HEIGHT
OF
PRESSER
FOOT
AND
FEEDING
FOOT
When sewing much cushioning and stepped
materials. change the height of
presser
foot and
feeding foot according to the material. which
will be very effective for better seam.
When changing the height of presser foot and
feeding foot,
1)
Loosen the
nut
of cam rod connecting shaft.
2)
When it is fixed the upper end of the oblong
hole, the height it increased.
3) When
it
is fixed at the lower end of the
oblong hole. the height is decreased.
4) After adjusting, tighten the nut firmly.
4-13
ALTERNATE
STROKE
AMOUNT
OF
PRESSER
FOOT
AND
FEEDING
FOOT
The lifting amount of
presser
foot and feeding
foot is set to same amount in the factory before
delivery. But it is effective for better sewing the
lifting amount of presser foot and feeding foot
according to the sewing material. For example,
it will be often effective to make the lifting
amount of feeding foot bigger than
presser
foot
lifting amount when sewing slippage and step-
ped material.
When changing lifting amount.
1)
Bring down the
presser
lifting lever.
2)
Turn
the
hand
wheel untill
the
lower
surface
of
presser
foot
and
feeding foot
comes
on
the
same level
with
upper
sur-
face of needle plate,
and
in
this
position.
loosen
the
clamp
screw
of
the
feed arm.
3)
From
this
position,
turn
handwheel
to
your
side
and
tighten
the
screw,
then
the
lifting
height
of
the feeding foot becomes
higher
than
the
presser
foot.
4)
From
the
same
position,
if
you
turn
the
hand
wheel
to
opposite
side,
the
lifting
amount
of
the
presser
foot becomes high-
er
than
the
feeding foot.
5)
The
more
the
hand
wheel is
turned,
the
bigger becomes the difference of
the
lift-
ing
amount
between feeding foot
and
presser
foot.
From the library of: Superior Sewing Machine & Supply LLC
Fig
28
0
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Fig
29
Fig 30
solenoid
4-14
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4-14
ADJUSTING
THE
LONGITUDINAL
POSITION
OF
THE
NEEDLE
BAR
FRAME
1) Set
the
feed regulating dial to
the
max-
imum.
2)
Turn
the
hand wheel slowly to
your
side
and
adjust
it by loosening
the
screw
of
horizontal feed
rocker
so
that
the
feed dog does not hit the both
ends
of slot
of
needle plate.
3)
Set the feed
adjusting
dial to
the
posi-
tion of zero. and loosen the clamp
screw
of needle
bar
rock
shaft
rear
crank.
4)
Turn
the
hand wheel until
the
feed dog
goes up to the highest position.
then
in
this
position.
adjust
the
needle
bar
frame so
that
the
needle point
drops
in
the
center
of
needle hole of
the
needle
plate.
..
___
,.
4-15 POSITION OF THE REVERSE
FEED SOLENOID
1)
Set the
stitch
length dial
at
the
max-
imum.
2)
Loosen two
setscrews
of
the solenoid
mounting base.
3)
Push
feed
lever
down until it bottoms.
and move solenoid mounting base,
up
or
down to
adjust
the
inner
clearance
between
rubber
packing
on
the
plunger
and
reverse
feed solenoid to 0.5 to 1
mm.
Tighten
setscrew.
4-16 HOME POSITION
OF
ROTARY KNIFE
1)
The
standard
home position of
the
knife
is
such
that
marker
dot
of
the
machine
bed is aligned with the
lubricating
hole
of
rotary
knife mounting base.
2)
When the knife is actuated
according
to
the
procedure
described in "4-18.
HOW
TO
MANUALLY
OPERATE
THE THREAD TRIMMER",
the
max-
imum
overlap
between
the
rotary
knife
blade and the fixed knife blade
should
be 1 to 1.5
mm.
From the library of: Superior Sewing Machine & Supply LLC
Jl:;f,:;
Set screw
0-7-
Fig
31
Fig
32
Fig 33
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Fig 34
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-11-
4-17 ADJUSTING THE THREAD
TRIMMING CAM
1)
The standard position
of
the thread
trimming
cam
is
such that, when thread
trim11;1ing
cam
comes
in
contact with
cam
roller with the rotary knife
in
its
home
position, red marker dot
on
the machine
arm aligns with red marker dot
on
the
handweel.
2)
To perform the adjustment above,
loosen setscrew.
3)
Be
sure
to
securely retighten the sets-
crew, otherwise the thread trimming
cam
may
rotate, leading
to
a trouble.
{NOTE)
In
case
of
using chemical fiber threads
mentioned below. adjust the position of
thread trimming
cam
as follows.
1)
For thread #8 or thicker loosen sets-
crews of the
cam.
Rotate the handwheel
in
direction A so
that the distance between both red
marker dot is 5
mm.
Retighten the setscrews.
2)
For thread #
40
or thinner same as
above but rotating
in
order direction
(direction
B).
4-18 HOW TO MANUALLY
OPERATE THE THREAD
TRIMMING
1)
Turn the handwheel
to
bring the
nee-
dle down.
2)
With thread trimming solenoid arm
pressed
to
the left, turn the handwheel.
This will actuate the rotary knife.
3)
To actuate the rotary knife alone, turn
ttte handwheel
to
move
the needle bar
up
to
its highest position. Then, you
can turn the rotary knife mounting
base
by
hand.
4-19
HOW
TO
REPLACE
THE
KNIVES
• Replacing the
rotary
knife
1)
Loosen the knife pressure adjust screw
until the rotary knife is
no
longer
in
contact with the fixed knife.
2)
Actuate rotary knife
by
hand
to
move
it
upward, then remove two rotary knife
setscrews to replace the knife.
3) Adjust the knife pressure.
From the library of: Superior Sewing Machine & Supply LLC
Fixed knife
Fig
35
Fig
36
~ilU:f·:J
Adjust
screw
Fig
37
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Stitch length
lmm-
4mm
4mm-
6mm
6mm-
8mm
-12-
• Replacing the fixed knife
1) Remove
the
bobbin
case
opening lever,
and
loosen the knife
pressure
adjust
screw.
2)
Fix
fixed knife
using
two
setscrews
so
that
it
is in parallel to the
rotary
knife.
3)
Adjust
the
knife
pressure.
4-20 AUXILIARY THREAD
TENSION CONTROLLER
Adjust
the
auxiliary
thread
tension
using
nut.
1)Turn
the
nut
in
direction®-
Tension
increases
and
the
needle
thread
~
tens. --
_,
2)
Turn
the
nut
in direction @ -
Tension
decreases
and
the
needle
thread
leng-
thens.
3)Decrease the tension when
using
a thin
thread
or
if cloth slippage often occurs.
4)
Increase
the
tension when
using
a thick
thread
or
if
upper
cloth
tends
to
slip
forward.
4-21
PRESSURE
OF
THE
FIXED
KNIFE
1) As you
turn
knife
pressure
adjust
screw
clockwise (in direction ®
),
the
blade
point lowers,
resulting
in a
higher
knife
pressure.
2)
The
knife
pressure
should be
increased
for a
thicker
thread.
However, it is
advisable
to minimize (by
turning~e
adjust
screw
in direction @ )
the
~
pressure
as
long as
the
knife can
trTm
threads.
4-22
STITCH
LENGTH
AND
SEWING
SPEED
~
·H
~
"'
~
&
JfiJ
Recommended
max.
sewing speed
2,400 s.p.m.
2.400-
1,600 s.p.m.
1.
600
-1,
200
s.p.m.
From the library of: Superior Sewing Machine & Supply LLC
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5.
PHENOMENA,
REASON
AND
ITS
CORRECTIVE
MEASURE
AT
THE
THREAD
TRIMMING
PROBLEM
1. A few stitches
are
skipped.
2.The thread slips
off
the needle upon
being trimmed.
-
r 1
The
needle
thread
cannot be trimmed,
while the bobbin
thread
can be
trimmed.
4.
Both needle and
bobbin
threads
cannot be trimmed.
5.
Thread
cannot be
trimmed
sharply.
6.Motor
stop
CAUSE
CD
The
bobbin
thread
is too short.
®The
bobbin
thread
breaks.
CD
The tension of the auxiliary
thread
tension
controller is too high.
®The
thread
trimming timing is too early.
CD
The
last
stitch has been skipped. (The clear-
ance between the needle and the hook is too
large.)
®The
needle
thread
slips off the
rotary
knife.
CD
The
thread
trimming timing is wrong.
®The
knife has been damaged.
®The
knife
pressure
is
inadequa~e.
®The
home position of the
rotary
knife is
inaccurate.
®The
rotary
knife fails to work.
®The
thread
trimming solenoid fails to work.
CD
The
thread
trim!ping timing is wrong.
®The
knife
pressure
is inadequate.
®The
knife blade is blunt.
CD
The home position of the
rotary
knife is
inaccurate.
®The
thread
trimming speed is slow.
®The
thread
trimmer is overloaded.
®The
knife
pressure
is too high.
®
T.he
knife does not
cut
sharply.
-13-
CORRECTION
0 Replace the bobbin by a
standard
one (alu-
minum).
0 Decrease the bobbin thread tension and the
thread
trimming speed.
0 Decrease the tension.
OSee "4-17. ADJUSTING THE THREAD TRIM-
MING
CAM".
0
See
"4-10.
NEEDLE-
TO-HOOK
RELA-
TIONSHIP:'.
0 Replace the feed dog with one having a smaller
needle hole.
OSee
"4-17.
ADJUSTING THE THREAD TRIM-
MING
CAM".
0 Replace the knife.
0 Increase the knife
pressure.
OSee "4-17. ADJUSTING THE THREAD TRIM-
MING
CAM".
OCheck
it
by actuating it by hand.
OCheck the motor solenoid for
proper
operation.
OSee
"4-17.
ADJUSTING THE THREAD TRIM-
MING
CAM".
0 Increase the knife
pressure.
0 Replace the knife.
OSee "4-17. ADJUSTING THE THREAD TRIM-
MING
CAM".
0 Increase the
thread
trimming speed.
0 Disassemble it to identify the cause.
0 Decrease the knife
pressure.
0 Replace the knife.
From the library of: Superior Sewing Machine & Supply LLC
6.
*M~$~
6-1
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COMPONENT PARTS
MACHINE PARTS
11505900CJ
411611120
-14-
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421615030 1
210110005
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From the library of: Superior Sewing Machine & Supply LLC
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From the library of: Superior Sewing Machine & Supply LLC
411711070
115691000
441050100
411711070
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115662000
115659005
115663000
411711070
493001000
115664000
492001000
215402000
114436000
411711070
441050100
493001000
411711070
411711070
493001000
492001000
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1018393
1018391
1018394
From the library of: Superior Sewing Machine & Supply LLC
101096001
421662030
101097000
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411762070
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101183000
101839005
212222000
212221000
411715120
442063150
441062100
212220000
441050100
591001010
411911100
441050100
115695000
-17-
112061000
412072030
212211000
115113000
212211000
411762070
471300000
115521000
From the library of: Superior Sewing Machine & Supply LLC
6-2
WJH$~
1
J
.A
1--
LIST OF PARTS
i±aa
Cl
=I=
ftfil
iUa
Cl
iii:
Cl
ltJil
~
aa Cl
:S
Description
aa
:S
Description
Note Part
No.
aa
Ami.Req.
Note Part
No.
aa
Ami.Req.
'
101081000
tli!I.~_MJ\*
Pressure
spring
1
115511000
J:.flll
Main
shalt
1
101082000
tli!I~,i*~
Pressure
spring
regulator
1
115521000
l!•J
vJ<-
Reverse
feed
control
lever
1
101096001
M•H01Jv~
Swivel
1
115522000
"l!
1
Hl18iivJ\-flll
Control
lever
shaft
1 I
101097000
fiM•J•
Lifting
lever
connecting
rod
1
115527020
J!IJ
Feed
dog
1 I
101113030
J:.J!
IJ
C
"J
I'Jma:~
*
~
Hinge
screw
1
115615000
J:.ia•J.lE
Walking
foot
1
101183000
JII.r:J~.l.''*
Spring
1
115621005
iE
Hook
asm.
1
101821000
*~*'Hill
Feed
rock
shaft
1
115631001
umrttJJa
Needle
bar
frame
1 I
101821000
J:."Fi!•Jt!ll
Feed
driving
shaft
1
115632000
ttmrttJJat!ll
Needle
bar
frame
shaft
1 I
101823000
ia'Jil'li
Feed
rocker
1
115633000
umrttJJ~~~
Needle
bar
frame
slide
block
1
101824000
*~i!'Jflllfiii,IC
~Jv
Bushing,
front
1
115634000
ttmllh~~~ta
Slide
block
stud
1 I
101824000
J:.l'i!
•J
fl!lfiii
)I
~
Jv
Bushing,
front
1
115635000
tHO
Needle
bar
1
101825000
*:!i!i!'Jflllrp)C
~Jv
Bushing,
intermediate
1
115636000
tttl~~7.r.JH
Oil
felt 1
101826000
*:!!!*
•J
fl!lfi
)I
~
Jv
Bushing,
rear
1
115637001
it-~~
Needle
bar
connection
asm.
1
101826000
J:.l'i!1
Jt!llff,IC
~
Jv
Bushing,
rear
1
115638000
trtlha~P~
Needle
bar
frame
guide
1
101832000
"Ffl!lff)C
~Jv
Bushing,
rear
1
115639000
~~~I)J\*
Tension
spring
1
101839000
JII.r:J~Iil'
Bell
crank
bracket
(1)
115641000
WI.J:.Ijr:Ja
Presser
guide
bracket
(1)
101839005
JII.r:J~I
(fill
Bell
crank
bracket
asm.
1
115641005
tli!IJ:.Ijr:Jaa:~
Presser
guide
bracket
asm.
1
101839101
JII.r:J
Bell
crank
bracket
(1)
115642000
WIJ:.Ijr:Jaa:~ts
Connecting
pin
(1)
101839200
JII.r:JiJ
~)I~::·:..-
Pin
(1)
115643000
..1:.*-?7/7'1\*
Upper
thread
clamp
spring
1
101839300
JII.r:::~:::~c
Roller
(1)
115644005
~&tli
Stitch
dial
asm.
1
101839400
JII.r:J:JciJ~)CI:/
Pin
(1)
115645000
J:."Fi!•J=x
Feed
driving
shaft
crank
1
101857010
ittltilhc
·:~
"~*
~:t
·:~
t-
Nut
9/32-28
1
115646000
;a·J~iii*~
Stitch
length
regulating
screw
1
101867000
:IE~lhi:.)CJi
Scale
base
plate
1
115647000
J!IJ~_ifl'±fl'
Feed
regulator
base
1
104202000
*~)!
l){j,it(>j}
k
Feed
drive
eccentric
cam
1
115648000
7-:WA71'1'fl!l
Thread
take-up
lever
thrust
pin
1
109006000
7-:tli
Top
cover
1
115653001
J:.ia
IJ
Jma:
I)
/?
Connecting
link
1
109007000
l!ti
Side
plate
1
115654001
Lm!'J
/'7
L
-shaped
link
1
109016000
J:.flllrp)C
~Jv
Main
shaft
bushing
asm.,
intermediate
1
115655000
J:.J!IJC7
I'
Upper
feed
driving
rod
1
109017000
J:.flllfi)C
~Jv
Main
shaft
bushing
asm.,
rear
1
115658005
J:.ial)jJJ\-
iiti
(*D)
Upper
feed
cover,
front
asm.
1
109022000
3Lflll
Upright
shaft
1
115659005
J:.i!IJ
jJJ\-
ff
(*D)
Upper
feed
cover,
rear
asm.
1
II
109023000
3Lfi!IJ:.)C
~
Jv
Upright
shaft
bushing
asm.,
upper
1
115662000
J:.J!
IJ
jJJ\-fiJ\*
I:/
Pin
11
109024000
.!r.fllll'
)I
~Jv
Upright
shaft
bushing
asm.,
lower
1
115663000
J:.j!IJ
jJJ\-tliJ\*
Plate
spring
~·1
109025000
J:.$t!J~Jr-A
Gear
case
asm.
1
115664000
J:.J!IJ
jJJ\-if.
Upper
feed
cover
hinge
1
I
109026000
ttfftUbflll
Rock
shaft
1
115671000
JllJ:.Ij7-:J
Presser
bar
lifting
lever
1
109027000
tttotilhfl$82
Rock
shaft
rear
crank
1
115675000
-t1
Jv~
:.-1
Oil
tank
1 I
109035000
tiP
Ito
Presser
bar
1
115676000
~
/'7
jJJ\-
Oil
tank
cover
1
109051000
=xiJ
:..-?
Feed
regulator
connecting
link
1
115677000
~:..-?
7
.r.Jv
t-
Felt
1
109053000
J!
I)
Ujfljfl'.i.l:.flll
Hinge
pin
1
115679000
iSimt7
Ilv
I-1~1/~Ii:
Pipe
holder
1
109055000
J!IJ~Jjj§
Control
lever
crank
1
115680000
*-t1J1Jk
Thread
trimmer
cam
1
109062000
=x
1
J:.-?ti*
~A
Hinge
screw
(A)
1
115681000
..
IEJti)CA
Moving
knife
1
109063000
=x
1
J
:..-1~*
~
B
Hinge
screw
(B)
1
115682000
.
~:ii:)CA
Counter
knife
1
109087000
)ibil
Oil
resevoir
1
115683000
19Jti)CAa
Moving
knife
base
1
109088000
)lbifi7
Ilv
t-
Oil
felt
1
115684000
*-t1J~Ibtli
Thread
trimmer
driving
plate
1
109432000
J:.i!•J•
Walking
bar
1
115685000
*-t1J~thtlitli!Itli
Presser
plate
1
109460000
i!J!IJ C
':1
I'
Reverse
feed
rod
1
115686005
Al-·;~lf-tli
(ijl)
Stopper
plate
asm.
1
109470000
ittl*-lliJr
Needle
bar
thread
guide
1
115687000
iJA~Ibil'
Cam
driving
bracket
1
110003001
tttli
Throat
plate
1
115688000
)CA~IJJflllfilfJ
Knife
driving
shaft
arm,
rear
1 I
110006000
~·Jtli
(ijl)
Bed
slide
asm.
1
115689000
relti)C
A.i~''*
Spring
1 I
110007100
u•tllhc·:~"
Needle
bar
frame
rod
1
115691000
A1'
·:~-Tllllt-ta
Switch
installing
plate
1 !
110009100
*~J!IJ§
Feed
rocker
shalt
crank
1
115695000
H
IJ
=.x
IJ
:..-.,
ta
Pin
1
110010000
=xc·:~"
Pitman
1
115702001
i~B
Counter
weight
1
110014000
J:."f)!
IJ
C
·;.t
I'
Feed
driving
shaft
connecting
rod
1
115709000
*.:I.Jv)C~Jrtli
Thread
release
guide
1
110016000
J:.l'ia1
Jifi
Feed
driving
shaft
crank
1
117005000
iliiti
Face
plate
1
110019003
l't!ll
Hook
driving
shaft
1
117032000
tttf?7/?C·;.t
I'
Needle
bar
crank
rod
1 I
110022000
J:.l'l!
IJ
fil•l.'
jJ
A
Feed
eccentric
cam
1
117043000
tli!IJ:.Ijr:JaU~ti:JC
Connecting
pin
roller
1 i
110024000
jftl)fiJ\*
Bed
slide
spring
(1)
117044000
tli!IJ:.Ij:ff1'1'ti
Presser
bar
guide
plate
1
110026000
tli!I.)E
Presser
foot
1
122042000
¥!1IJ:.Jj:ff1'1'tli±fl'
Presser
bar
guide
bracket
1
110040000
ittfflUJJC
·;.t
l'fi*
~Alii:
A
washer
1
201017000
j!IJ~iil:/
Pin
1
110055002
J:.f!lliiti)C
~Jv
Main
shaft
bushing
asm
.•
front
1
201018000
)!
IJ
~ijjl:/1~*
Spring
1
112061000
9 P
vi!7'~
'7
Jv
9
pole
receptacle
1
201053000
7-:ffidll!!itli
Take-up
oil
splasher
1
112062000
9 p
7'7'/iJJ~-
9
pole plug
cover
1
201054000
=x-tt~
Eccentric
retainer
housing
1
112094010
i!l!
•J
=.x1
J
:..-?
llllMil'
Connecting
link
base
1
201055000
=x-tt~7
Il'-
t-
Oil
felt
-
.--'
1
114436000
~·;~71~·;.t?A1":J'f
Reverse
feed
switch
1
201056000
=x-tt~7
Iiv
t-WI
Felt
retainer
1
115004000
)CAallla:
1
J:.-?
Connecting
link
1
201056000
J:.ia
1
JC·;.t
1'7Ilvl-tli!I.
Felt
retainer
1
115018000
'JvJ1'
I'§:Jcfl!l
Roller
shaft
1
201112000
J:."f)!
IJ
C";!
I'
7 I
}I,.
1-
Oil
felt
1
115019000
'JvJ
11'§:Jc
Roller
1
201112000
ll
1
Jc
·:~
1'7 Il'-
1-
Oil
felt
1
115027000
~k1";.t~:::J.
Rubber
bushing
1
201121000
l!
1
Jaflll
Feed
bar
shaft
1
115039001
l'fllliiiJ,IC
~Jv
Bushing,
front
1
201140000
~~~I)
l~*lliJr
Suspension
hook
1
115055000
l'fl!lr.fl)C
~Jv
Bushing,
intermediate
1
201157000
*~-TliD!Elti.i.I:.)C
Tension
disc
stopper
1
115056000
i£)1bfiiUJil*~
Oil
adjusting
screw
1
201162000
J:.J!
IJ
C
·;.t
I'Jma:f!ll
Connecting
stud
1
115057000
la$7
Ilv
1-
Oil
felt
1
201184000
J:.tdl)ibil7~
Rubber
plug
1
115058000
$illf·;.t~/
Gasket
1
201805000
J:."fJ!IJ~~t]
Feed
driving
slide
block
(1)
115059000
)lbifiElJt&
Oil
reservoir
cover
plate
1
201806000
J:.l'ia
1
J~If1Jflll
Feed
driving
slide
block
hinge
pin
(11
115060000
$i17~
Oil
reservoir
cover
1
201808000
J:."fj!
IJ
~
'tjflfl!ii:
Feed
driving
slide
block
washer
(1)
115063000
r.fliEtli!I
Bobbin
case
position
finger
1
201813000
J:.flll)ibil7
I
Jv
t-
Oil
felt
1
115065000
J!IJa
Feed
bar
(1)
201834000
*-~-T'~*
Thread
tension
spring
1
115065005
j!IJ~
(*11)
Feed
bar
asm.
1
201870000
ll~$*
~lf·;.t
~
/
Washer
1
115113000
i!i!IJ v1<-1<*
Lever
spring
1
202164000
ttf'tllbtlal!§fi*
~
Hinge
screw
1
115120000
rJv~if-e:.-
Bobbin
1
203024000
J:.$ti$
l*l
Gear
asm.
1
115404000
*-t)J±fl'
Thread
trimmer
base
1
203029000
l'$ti*'r-A
Pinion
case
asm.
1
115406000
)CA~l!Jfllljjij§
Knife
driving
shaft
arm,
front
1
203048000
tli!I*'"f)C
~Jv
Presser
bar
lower
bushing
1
115407000
iJk~IIJfl!l
Cam
driving
shaft
1
204002000
.1'\·;.t
l":ttt
Bed
screw
stud
1
115409000
)CA~Ibflll
Knife
driving
shaft
1
204029000
J:.$ti* (lj\)
Pinion
asm.
1
115413000
)I
A~IJJfiii,IC
~Jv
Knife
driving
shaft
bushing
1
204030000
l'$ti*
(*l
Gear
asm.,
large
1
115423000
*-t1J
1
J'JvJ
11'
Solenoid
1
204031000
l'$tilt! (lj\)
Pinion
asm
.•
small
1
115424000
')
v J
1'
l'lllli;ftli
Solenoid
installing
plate
1
209402000
*'.:I.Jv)Ctlil~*'
Thread
release
bar
1
115425000
'JvJ1
I'§
Solenoid
arm
1
209403005
*-~-T
(*H)
Tension
post
asm.
1
115431000
iJk7-:tCJ7-
Cam
follower
1
209404005
*~-Til'ti
(a:~)
Tension
post
base
asm.
(11
115432000
iJkC-7-
Cam
roller
1
209405000
*-llll'<*tl!l
Screw
stud
(11
115434000
iJA7-:tCJ7-fl!l
Cam
follower
shaft
1
209406000
*'.:I.Jv)Ctli
Tension
release
lever
(11
115435000
1Jk
7
-:t
CJ7-fi!IJ{*
Cam
follower
shaft
spring
1
209407000
*.:I.Jv
)I
'J
v J 1
I'
Tension
release
solenoid
(11
115436000
)I
A~lbfl!llla:
IJ
/
'7
Connecting
link
1
209409000
;g-*-~-T-
(A)
Thread
tension
post,
A
(1)
115470005
;t-e:.-~r-A
Bobbin
case
1
209411000
*-~-T:t·;.t
1-
Tension
nut
(1)
115470100
~til!1i.i.I:.J\*
Spring
1
210050000
*~PI
(J:.)
Thread
guide
(upper)
1
-18-
From the library of: Superior Sewing Machine & Supply LLC
itaa
1'1
* Dtit )ita
1'1
• ft:lit
tiC
1'1
:t
Description
tiC
~'~·
:t
Description
Note Part
No.
tiC
Amt.Req.
Note Part
No.
tiC
Amt.Req.
210057000
iHf'7
7;..
'71:'/
Needle
bar
crank
pin
1
411709060
im1R.LI:.*:i
Screw
9/64-40
L=6
1
210068000
it.tft~lhilli$1§
Rock
shaft
front
crank
1
411709070
~~~1)/~*JH-7.!.1:.*:}
Screw
9/64-40
L=6.8
1
210070000
J:J!IJ
tJA
Upper
feed
cam
1
411709090
it.tf~-'t-*f*:i
Screw
9/64-40
L=8.5
1
210072000
J:*IJI§
Upper
feed
spring
rod
1
411709091
J:1Jtti!l!?"-~.LI:.*:i
Screw
9/64-40
L=8.5
2
210080000
*~J!-;1~?"1§:1{*
Thread
release
guide
spring
1
411711040
..1:*-'7
7 //1{*.!.1:.*:;
Screw
11/64-40
L=4
1
210083000
ji!IIJ:.If
Hand
lifter
1
411711050
J:*
IJ
tfjq
:f~
.!.I:.*:}
Screw
11/64-40
L=5
1
210084000
ji!IIJ:.Iffib
Hand
lifter
stud
1
411711052
*'~lt-;I'JvJ1'
l"ll:.*:i
Screw
11/64-40
L=4.8
(2}
210086000
J!
IJ
~BPIJ!i
IJ
/
'7
Feed
regulating
link
1
411711070
~till:.*:/
Screw
11/64-40
L=7
2
210087000
~W~Ifib
Thread
take-up
lever
pin
1
411711070
:i:t&.LI:.*:i
Screw
11/64-40
L=7
2
210091000
~HtHT"J
1--
Tension
nut
(1}
411711070
J:J!
IJ
jJ/{-t§/~*.!.1:.*:}
Screw
11/64-40
L=7
1
210092000
*-~-Tllll
Tension
disc
(2}
411711070
J:i!
•J
tJI~-tnill:.*:;
Screw
11/64-40
L=7
4
210093000
*~l!-;11:'/
Tension
release
pin
(1)
411711070
*-~7-t:tti.LI:.*:i
Screw
11/64-40
L=7
2
210094000
*-Jill.'{*
Thread
take-up
spring
(1)
411711070
'JvJ1'1"::J-!"ll:.;lll:.*:i
Screw
11/64-40
L=7
2
210096000
*-~-=fl!llji!II
Tension
disc
holder
(1)
411711070
')
v J
1'
l"lll!i;fti.LI:.*
:i
Screw
11/64-40
L=7
2
210099000
*-llli.''*~Bilti
Take-up
spring
adjusting
plate
1
411711070
*'t}JII!IJJt&fl!lit&.LI:.*:i
Screw
11/64-40
L=7
2
210100000
J:fib
;I
$1
11.-
7 I
11.-
!--
Bushing
oil
felt
3
411711070
'JvJ1'
l"tJJ\-.L!:.*:i
Screw
11/64-40
L=7
4
210109000
)lb,u~It~
Oil
wick
retainer
1
411711070
~J!
IJ
~-(';If
(M,).LI:.*:}
Screw
11/64-40
L=7
2
210110005
J:J!IJJ\*~fij;tf
(*JI)
Walking
bar
spring
pole
asm.
1
411711070
't{C/'77//.LI:.*:i
Screw
11/64-40
L=7
4
210111000
J:J!
1
Jtfji!IIJ\*
Walking
bar
spring
1
411711070
i;)Jit7
Ill-
1--AWI.!.I:.*:;
Screw
11/64-40
L=7
1
210112000
*'~~("'F)
Thread
guide
(lower)
(1}
411711071
:i:E'l.LI:.;Ili.LI:.*:i
Screw
11/64-40
L=7
2
210112005
*-;t~("'FIM
Thread
guide
(lower)
asm.
(1}
411711091
LJa
IJ
ffjq
:f~
jj-(
I"
ll:*:}
Screw
11/64-40
L=8.5
2
210114000
ntf~i:tJJ\-
Finger
guard
1
411711111
J:
""F*
•J
=:x•*:;
Screw
11/64-40
L=10.5
1
210117000
if*-fi!!It§
Thread
presser
plate
(1}
411711111
J:J!
IJ
tJ
/\-{iij).LI:.*:}
Screw
11/64-40
L=10.5
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210118000
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Thread
presser
plate
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1
411711111
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11/64-40
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411711111
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11/64-40
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411711131
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11/64-40
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211163000
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411711180
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11/64-40
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11/64-40
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2
411712090
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3/16-28
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2
560200
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3/16-28
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411712140
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3/16-28
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1
411715070
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15/64-28
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211560500
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15/64-28
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15/64-28
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15/64-28
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212206000
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411715120
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15/64-28
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212207000
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2
411715120
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15/64-28
L=12
2
212209000
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feed
control
lever
pin
1
411715130
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15/64-28
L=13
1
212210000
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1
411715160
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15/64-28
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212211000
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suspension 1
411762070
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3/16-32
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212212000
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feed
lever
stopper 1
411762100
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3/16-32
L=9.5
1
212213000
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arm
1
411762100
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3/16-32
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2
212220000
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411768170
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9/32-28
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212221000
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feed
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1
411811031
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11/64-40
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212222000
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1
411811031
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11/64-40
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15/64-28
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15/64-28
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411815070
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15/64-28
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215611000
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wheel
1
411815070
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15/64-28
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215643000
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411815070
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15/64-28
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3
215647000
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take-up
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1
411815070
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15/64-28
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1
216162005
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spring
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15/64-28
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411815070
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15/64-28
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311610060
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10/64-40 1
411815110
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15/64-28
L=10.5
1
311808100
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screw
1
411815110
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15/64-28
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312050040
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411815150
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15/64-28
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312050042
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screw
1
411815150
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15/64-28
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1
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screw
0=7.9 H=3.5 1
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15/64-28
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2
.100101
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screw
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15/64-28
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screw
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411815170
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15/64-28
L=17
1
312100102
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screw
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1
411862060
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3/16-32
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1
313806060
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B
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411866040
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1/4-40
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2
313806100
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411866060
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1/4-40
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313806200
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A
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L=20 1
411866060
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1/4-40
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1
381079100
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collar
1
411866060
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1/4-40
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11/64-40
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1/4-40
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411209070
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9/64-40
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2
411866060
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1/4-40
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2
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Screw
9/64-40
L=7
2
411866080
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Screw
1/4-40
L=8
7
411211091
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Screw
11/64-40
L=8.5
2
411868160
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9/32-28
L=16
1
411309050
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Screw
9/64-40
L=4.5
1
411911100
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Screw
11/64-40
L=9.5
4
411309070
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Screw
9/64-40
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411916160
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1/4-40
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1
411408061
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Screw
1/8-44
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2
411918150
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9/32-20
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1
411566040
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1
412038050
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3/32-56
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screw
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411609090
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9/64-40
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1
412050030
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screw
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411611110
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11/64-40
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1
412064020
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screw
0=6.35
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2
411611120
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Screw
11/64-40
L=12
4
412072030
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screw
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2
411611161
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Screw
11/64-40
L=16
1
412079030
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screw
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1
411611161
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11/64-40
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2
412080040
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screw
0=8
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1
411612101
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Screw
3/16-28
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421282000
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3/16-28
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1
421608021
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3/16-28
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9/64-40 2
411612121
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3/16-28
L=12
1
421611030
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11/64-40
1
411612160
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3/16-28
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2
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11/64-40
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15/64-28
L=11.5
1
421611030
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11/64-40
1
411615140
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15/64-28
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4
421611031
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11/64-40
1
411615170
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15/64-28
L=17
1
421611040
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11/64-40
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15/64-28
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421615030
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15/64-28
1
411708050
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15/64-28
1
411708051
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1/8-44
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1
421662030
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3/16-32 1
411708051
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1/8-44
L=4.5
2
421662030
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3/16-32 1
411709051
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9/64-40
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1
421662030
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3/16-32 1
-19-
From the library of: Superior Sewing Machine & Supply LLC
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