
INSTRUCTION
&
PARTS
CATALOG
WILLCOX
(overlook
UJiL.L*COX £>
11X0
AVENUEOFTHE
>.s:
&
AMERICAS
GIBBS
8t
safety
giBBS.
NEW
YORK.
NEW
500/IV
stitch)
MJQ
inc.
YORK
1001B
ITDl
ESS.79O0

Introduction
TABLE
OF
CONTENTS
PAGE
4
Lubrication
Caution
How to
Replacing
Threading
Regulating
Threading
Regulating
Adjusting
Regulating the
Adjusting
Pressure
Adjusting
Adjusting
Left
to
clean
looper
oil
filter
screen
your
machine 5
the
needles
your
machine 6
thread
tension
diagrams
seam
width 8
the
upper
and
stitch
the
differential
of
presser
needle
needle
bar
guards
foot
height
adjustmen^
Right looper adjustment*
Right
looper
Chainstitch
Chainstitch
lever
looper
looper
adjustment
adjustment
height
OPERATORS'
lower
knives
length 9
feed
regulating
MECHANICS'
adjustment
INSTRUCTION
lever
INSTRUCTION
11
11
12
J2
13
13
14
Chainstitch looper avoiding motion adjustment 14
Feed
adjustment
Presser
Presser
foot
foot
Chainstitch
Timing
Millimeter*inch
gauges
arm
alignment
lift
adjustment
looper
thread
fraction&decimal
control
adjustment
conversion
chart
14
15
5
5
6
6
7
8-9
10
10
15
15
16
17
- 2 -

Machine bed frame
(1)
Main
frame and miscellaneous covers''^ -SlS-Sld/IV-
PARTS
LIST
SECTION
503-516/IV'
(2) Main frame and miscellaneous covers 515-516/rV*
(1)
Main
frame and miscellaneous covers -SOS-SH/IV*
(2)
Main
frame and miscellaneous covers 603-514/IV*
Crankshaft
(1)
Needle
(2)
Needle
mechanism
drive
drive
Right looper drive
Left looper drive
(1) Chainstitch
(2) Chainstitch
(1)
Main
and
differential
Main
and
lower
foot
and
lubricating
lubricating
stand
differential
(2)
Upper
and
Presser
(1)
Pump
(2)
Pump
(1)
Attachments
(2)
Attachments
(3)
Attachments
Accessories
Thread
mechanism
mechanism
mechanism
mechanism
looper
drive
looper
drive
knife
mechanism
lift
mechanism
mechanism
mechanism
mechanism
mechanism
feed
mechanism
feed
mechanism
503-516/IV*
503-516AV*
50.3-516/IV"
503-516/IV"
503-516/IV*-
515-516/IV"
515-516/IV-•
503-516/IV-503-516/IV-'
503-516/IV-'
503-516/IV-
503-516/rV-503-516/IV-'
PAGE
20-21
22-23
24-25
26-27
2-8-29
30-31
32-33
34-35
36-37
38-39
40-41
42-43
44-45
46-47
48-49
50-51
52-53
54-55
56-57
58-59
60-61
62-63
64-65
503/IV-44.
504/IV-17.
504/rV-25.
504/IV-47.
504/rV-S-17.
514/IV-20.
514/IV.41.
51,4/IV.S-13.
514/IV-S-18.
Component
515(516)/IV-26.
515(516)/IV-28.
515(516)/IV-31.
515(516)/IV-33.
515(516)/IV-39.
parts
503/IV-48.
504/IV-19.
504/IV-43.
504/IV-S-10.
514/IV-ll.
514/rV-22.
514/IV-42.
514/IV-S-14.
514/IV-S-19.
-
presser
515(516)/IV-27-
515(516)/IV-29515(516)/IV-32-
515(516)/IV-38-
515(516)/IV.51
ORGANIZATION
504/IV-7
504/rV-21""
504/IV-45—•
504/IV-S-16'
514/IV-12-514/rV-23""
514/rV-S-ll'
514/IV-S-15514/IV-S-20-
foot complete*
515(516)/rV-52'
NUMERICAL
INDEX
CHARTS
•503-514/IV-
OF
68
-69
•70
-71
•72
•73
•74
75
76
77
•78
79
80
•81
82
PARTS
Numerical index of new product code numbers with old numbers 83-90
Numerical
Sewing organizations for
W & G
500
index
class
of old
model
numbers
500/IV
with
new
product code
numbers
line 99
specification and summary sheet 100
91-98
- 3 -

INTRODUCTION
- 4 -
The new Willcox & Gibbs
Safety stitch
machines.
fast pickupin startingand smooth, quiet
lubricated and
operator, you will appreciate these features helping you to gain more
production with
continue to lead the way in developing new machines that willbenefit
the Operator, achieve more production —with greater ease.
ruggedly
less
500/lV
You
designed
fatigue
is the latest design in Overlock and
will
benefit from its ease of handling,
running.
for trouble-freeperformance.Asthe
as you operate.
It is automatically
Willcox
& Gibbs
will

OPERATORS*
INSTRUCTION
LUBRICATION (Fig.
CAUTION:
The oil
The 500/IV features fully automatic lubrication with a concealed forced air
1,2,3)
was
drained
fromthe
machine
when
shipped.
Refill
withoilbefore operating.
cooling
system. The oil is
pressurizedby a pump to the internal surfaces of the connections through the inner Crankshaft.
A new machine should be run at leasttwo
weeks, the original oil should be drained
weeks
at a speednot to exceed5,000 r.p.m. At the end of two
out
and replaced.
Operationalspeedafter two weeksrun-in may be 6,000 r.p.m.
(Fig. 3).
Use recommended type oil only.
MACfflNE
SPEED
4900
5100
5275
5450
5650
5825
6000
Note: The above pulley size is based on a motor speed
of approx. 3,480 r.p.m. (60Hz, 2-pole)
PULLEY
SIZE
631
632
633
634
635
636
637
Fig. 3
DIAMETER
in
INCHES
3
1/8"
3
1/4"
3
3/8"
3
1/2"
3
5/8"
3
3/4"
3
7/8"
Fig. 1
To
replace
Remove
the
the
oil.
machine
from
its
stand
and
setiton
a table.
Remove Drain Plug (Fig. 1,D) which is located on the Oil Pan
just below the Handwheel. Drain oil from machine. Replace
the
plug
and
return
the
To refill, swing out the
remove
the
Filler Plug (B).
machinetoits
Qoth
Plate (Fig. 2, A) to the left and
stand.
Pour fresh oil into the reservoir using the funnel supplied with
the accessories until the oil reaches the upper lineofthe Sight
Gauge (Fig. I, C).
Tlte oil level should be kept between the two lines on the
Sight Gauge.
CAUTION
The
Since the lubrication oil is filtered by this Screen
to
all
lack
Check and clean
if
necessary, replace
the
weak,orthe
HOW
TO
OIL
FILTER
Oil
Filter
Screen (Fig. 4, A) should always be
the
frictional surfaces, cloggingofthis Screen
of
lubrication and accidential seizureofparts.
the
Oil
withanew
oil
TO
jetinthe
CLEAN
Oil Splash Sight Window is restricted
oil
contains
YOUR
SCREEN
Filter
Screen every three months,
Screen
foamordebris.
MACHINE
when:
and
kept
delivered
may
clean.
cause
or
or
Cleaning the machine is a simple but important operation. It is not necessary to remove any part. Merely
release
around
the
foot
and swingitouttothe left. Swing
the
loopers, feed slots,
and
under
out
the
needle plate. Blow
the covers
and
out
remove all
any
loose lintoruse a
the
collected lint from
lint
brush.
Replace covers and return foot to the sewing position.
- 5 -

REPLACING THE NEEDLES (Fig.
To
replace needles,
turn
the Handwheel until
Needle Bar is in its highest position.
Lift Lever (Fig. 5, E)
503,504/IV
(Fig. 6)
Loosen Needle Clamp
Insert
new
needle
go,
and
position
machine.
Retighten
and
Nut
into
the
scarfofthe
nut
(A).
swing
(A)
and
needle
needletothe
514/IV (Fig. 7)
515,
516/lV
Loosen
Insert
go,
and
machine.
Needle
new
position
Retighten
(Fig. 8)
needle
Clamp
Screws
into
scarfofthe
screws (B).
503,
the
504/IV
needle
(B)
and
needletothe.
5,6,
7,8)
Liftupthe
foottothe
withdraw
holeasfarasit
left
needle.
rearofthe
withdraw
holeasfarasit
needle.
rearofthe
the
Hand
(F).
will
will
514/IV
Fig. 5
515,
516/IV
Fig. 6
THREADING YOUR MACHINE (Fig.
When a
tie
the
In case
REGULATING
The
Adjust
the
knots
machine
new
will go
the
is received,
threadstothose
through
machine
requires a
THREAD
note
alreadyinthe
the
looper
complete
TENSION
amountoftension required varies with typeofmaterial, thread, stitch length, etc.
individual
To
increase
To
decrease
thread
tensions
tension—Turn
tension-Turn
9,10,11,12,13,14)
that
it has
eyes
and
rethreading
as follows.
nut
clockwise.
nut
counterclockwise.
been
threaded
machine
needles.
Fig.
correctly.
and
pull
refertothe
7
the
new
threading
The
threads
simplest
through,
diagrams.
Fig. 8
waytorethread
making
sure
it is
to
that
- 6 -

Fig.
THREADING
T1T2
9
DIAGRAMS
Fig.
11
Fig.
10
503/IV,
Left
needle
Right
Right
Left
looper
For
the welting operation which requires a loose
needle
B)
maybeadjusted.
To
decrease
needle
looper
tension,
thread
thread
thread
thread
tension
the
504/IV,
503/IV
Non
T2
Non
T7
Needle
—
Thread
Loosen
514/IV
504/IV
Non
T2
T8
T9 T9
Guide
Needle
Guide Screws (Fig. 9, C), move Needle
Guide
down.
Right
Left
needle
needle
Retighten
515/IV,
-
thread
thread
screws (C).
516/lV
515/IV
T3
T4
514/IV
T1
T2
T8
(Fig. 9,
Thread
Thread
516/IV
T3
T4
Threading
for
Fig. 12
stretchy
Fig. 13
thread
like
T8 T9
wooly
yarn
Right
looper
Left
looper
Chainstitch
thread
thread
looper
thread
Non
T7
TIG
T8
T9
TIG
Fig. 11; Needle threading for elastic synthetic
thread.
Fig. 14
- 7 -

REGULATING
515,516/IV
SEAM
(Fig. 15)
WIDTH
1. Turnthe Handwheel until the UpperKnife is at its lowest point.
2.
Loosen
Knife
as
3. Loosenthe Upper Knife Clamp Screws (C)
Knife
obtained.
4.
Tighten
5. Loosen
Holder
farasit
Qamp
the
will go
the
the
Lower
(the
and
(D)tothe
Upper
Lower
Knife
Lower
lightly
Knife
Knife
Holder
Knife
Screw
Clamp
tighten
rightorleft
Clamp
Screws (C).
Holder
Screw
Stud
screw
until
(A).
Pull
Nut.B)to
(A).
and
move the Upper
the
desired
(A),
then
the
the
Lower
the
width
Lower
left
Knife Holder will returntoposition by spring action.
6.
Retighten
503,504,514/IV
1.
Turn
2.
Loosen
Knife Holder
far
3.
Loosen
Knife
obtained.
4. Tighten
5.
Loosen
Knife
6.
Retighten
screw (A).
the
Handwheel
the
Lower
as it will go
the
Upper
Qamp
the
Upper
the
Lower
Holder
screw (A).
(Fig. 16)
until
the
Upper
(the
and
Knife
Lower
lightly
Knife
Knife isatits
Holder
Screw
(A).
Knife Clamp Screw. E)tothe
tighten
Clamp
screw
Screws
(C)
(A).
and
lowest
Push
move
the
the
point.
Lower
left as
Upper
(D) to the light or left until the desired width is
Knife Clamp Screws (C).
Knife
Holder
will
returntoposition by spring action.
Screw
(A),
then
the
Lower
is
Fig. 15
p •
ADJUSTING
UPPER
515,
516/IV (Fig.
1. Loosen
Lower .Knife Holder
the
left as far as it will go
2. Remove
to remove. Replace with a new knife
nut
(F)
3.
Turn
lowest position. Set the Upper Knife so
edge
(Fig. 17).
Retighten
THE
KNIFE
15,17)
the
Lower Knife
the
Upper
completely.
the
Handwheel until
overlaps
nut
the
(F).
UPPER
(the
Knife
Lower
AND
LOWER
Holder
KNIVES
Screw (Fig. 15, A). Pull
Lower Knife Clamp
and
lightly tighten screw (A).
Nut
(F)
and
raise
butdonot
the
Knife
Holder
that
(^fe
by
1/32"
(.5-1.0mm)
4. Loosen the Lower Knife Holder Screw (A),
Lower
action.
5.
Retighten
Knife
screw
Holder
(A).
will
returntoposition by spring
Stud
Nut. B)
the
knife
tighten
(D) is in its
its cutting
then
the
the
to
?s I
— d
/I
/ ^
s
A i
Fig. 16
s
E
o
Upper
knife
—
!////////
Lower
Needle
top
surface
knife
plate
////A
Fig. 17
- 8 -

ADJUSTING
503,504,514/IV
1.
Loosen
Screw.
2. Remove the UpperKnife Screw Nut (F) and raise the knife to remove.
Replace
3.
Turn
Set
the
Retighten
4.
Loosen
spring
5.
Retighten
THE
the
UPPER
(Fig.
Lower
AND
16,17)
Knife
E)to the left asfarasit
withanew
the
Handwheel
Upper
nut
the
action.
screw (A).
Lower
knife
until
Knifesothat
(F).
Knife
LOWER
Holder
Screw
will
butdo not
the
Knife
its
cutting
Holder
Screw
KNIVES
goand
tighten
Holder
edge
(A).
lightly
nut (F)
(D)
(A),
(cont'd)
Push
the
tighten
completely.
isinits
overlaps
then
the
Lower
screw
lowest
the
Lower
Knife
(A).
position.
Lower
Knife
Knifeby1/32"
Holder
Holder
(the
Lower
(.5-1.0mm)
will
returntoposition
Knife
(Fig.
Clamp
17).
by
LOWER
515,
1.
2. Loosen the Clamp Stud Nut (B) and remove the Lower Knife.
3.
4.
5.
503, 504, 514/IV (Fig.
1.
2. Loosen the Lower Knife Clamp Screw (E) and remove the Lower Knife.
3.
4. Loosen the Lower Knife Holder Screw (A), then the Lower Knife Holder will return to position by
5.
Note: A right
4
Knives
the
Upper
grinding.
KNIFE
516/IV
Loosen
Clamp
Insertanew
that the cutting
Loosen-
spring
Retighten
Loosen
Clamp
Insertanew
is
level
spring
Retighten
correct
(Fig. 15, 17)
the
Lower
StudNut. B)to the left as farasit
the
Lower
action.
screw (A).
the
Lower
Screw.
Lower
with the top of the
action.
screw (A).
angled
must be kept sharp. The Lower Knife may be sharpened by use of a grinder whilemakingsure that
angle is
Knife
maybesenttoour
Knife
Lower
Knife
edgeislevel
Knife
16,17)
Knife
Holder
(G)
Holder
Holder
Screw
intothe
with
the topof the
Screw
Screw
E)to the leftas far as it
Knife
(G)
intothe
Upper
Knife
maintained.
Needle
Plate(Fig. 17).Tightenscrew(E).
isalso
distributorsorreturnedtous
(Fig.
will
groove
(A),
(Fig.
will
goand
Lower
available
15,
A).
goand
lightly
of the
Needle
then the
16,A).
tighen
Knife
Clamp
asan auxiliary
Pull
Lower
Plate
Lower
Push
screw
(H),
the
Lower
tighten
Knife
(Fig.
Knife
the
Lower
(A)
setting
sales
for
Knife
screw
Clamp
17).
Holder
(A).
Stud
Tighten
Knife
Holder
will
Holder
(the
(I),
setting
nut
(B).
returntoposition
(the
lightly.
the
blade
sothat
item.
resharpening since it requires special
the
Lower
Lower
cutting
the
Knife
blade
by
Knife
edge
so
REGULATINGTHE STITCH LENGTH (Fig.
To
change
A) and press in the Eccentric Push Rod (B).
sewing direction until the rod drops
Turn
shorter
When desired stitch length isobtained, release the rod (B) and tighten screw (A)
thestitch
the
Handwheel
stitch
Longer
Shorter
(Fig. 19).
Stitch
Stitch
length,
toward
(less
(more
swing
the
stitches
stitches
Cloth
into
desired
per
inch)
per
18,19)
Plate
to the left.
While
the hole in the eccentric.
stitch
lengthasshown
—
Turn
inch)—Turn
Loosen
pressing in on the rod, turn the Handwheel in the
Handwheel
Handwheel
onthe
Feed
Eccentric
Handwheel
clockwise.
counterclockwise.
Push
and
Rod
cover
Screw
fora
(Fig.
longer
18,
or
- 9 -

dr
ADJUSTING THE
The
following
feed
(515,516)
DIFFERENTIAL
ratios
are
presetatthe
Fig. 18
FEED REGULATING LEVER (Fig.
(503,504,514)
factory.
18,
Fig. 19
20)
Seamingmachines 1/2:1 stretch to 2:1 filling
Shirring
TO
ADJUST:
machines
1:1
seamingto3:1
shirring
SeamingMachines - Loosen Thumb Nut (C). Line up mark on Differential Lever (D) with setting
(Fig. 18) shown on Indicator Plate (S). Retighten nut (C).
INDICATOR
PLATE
1.8 =
1 =
0.6
SETTING
=
DIFFERENTIAL:
=
2:1
1:1
1/2:1
MAIN
filling
stretch
FEED
RATIO
Shirring Machines - Intermittent shining can be obtained by useofthe Knee Control provided with
(Fig.
20) Shining
positioned
INDICATOR
Machines.
and
When
Thumb
PLATE
3 =
2 =
1 =
the
Nut
(C) is
SETTING
range
left
has
been
set the
loose.
=
DIFFERENTIAL:MAIN
3:1
2:1
1:1
adjustable
shirring
shirring
seaming
stops (E) are
FEED
RATIO
Please note all settings are approximate figures that will vary with fabric weights, thread, stitch length,
etc.
\ /
Fig. 20 Fig. 21
PRESSURE
Pressureofthe
Pressure on
OF
the
PRESSER
Presser
Presser
FOOT
Foot
is regulated by meansofthe Presser Regulating
Foot
should be
just
enough to feed material
Too much pressure may spoil material and give it more stretch than it needs. Too little pressure may
cause
uneven
-10-
feedingorstitches.
and
Thumb
obtain
Screw (Fig. 21, G).
proper
stitch
formation.

MECHANICS'
INSTRUCTION
ADJUSTING NEEDLE BAR HEIGHT (Fig.
22,23,24)
With a new needle in the machine, turn the Handwheei until the needle is in its highest position. Use
Timing Gauge, check the clearance between the
If
clearance is
not
correct, loosen
the
Needle Bar Connecting Bracket Screw
correctly. Check to make sure the needle is in the center
screw
securely.
1
FEDERAL
STITCH
503
504
505
512
514
515
516
EXCEPTIONS:
MODEL
503/IV 1 .410 !
504/IV
505/IV
514/IV
514/IV
515/IV
516/IV
DIMENSION
INCH
.410
.410 !
.465
.465 i
.418
.418
515(516)/IV-38,-39
515(516)/IV-51,-52
6
5=
5
d
Fig. 22
ADJUSTING NEEDLE GUARDS (Fig. 25,
26,27,
pointofthe needle
MM
1
10.4
10.4
i
10.4
11.8
11.8
10.6
10.6
1
398'
473'
Fig. 23
28)
of
the needle hole
FIG.
22
22
22
23
23
24
24
10.1mm
12.0mm
and
the
NOTE
checktothe
checktothe
checktothe
checktothe
Fig.
24
topofthe Needle Plate.
and
reset the Needle Bar
and
tighten the bracket
left
needle
left
needle
right
needle
right
needle
Machine are fitted with both front and rear needle guards. Set Rear Guard first.
Rear
Needle
515,516/IV
Guard
(Fig.
25,27)
Turn Handwheei until Needle Bar is at its lowest position. Loosen two screws (U) holding Needle
Guard Bracket. Move bracket until the top
of
line (T)
the Needle Guard, Rear. Tighten screws (U). Loosen screw (R) holding Needle Guard, Rear.
the Overlock needle eye is
.020"
(0.5mm) below the
of
When pointofthe Left Looper comes to the centerlineofthe needle, adjust the Needle Guard (S)
.back
and
forthsothat
503,504,514/IV
(Fig.
it lightly
26,
27)
touches
the
needle.
Tighten
screw
(R).
Turn Handwheei until Needle Bar is at its lowest position.
Loosen two screws (N) holding Needle Guard Bracket.
When
point of the Left Looper comes to the
centerline of the needle, adjust the Needle Guard (S) back and forth so that it lightly touches the needle.
Tighten
bracket
screws (N).
Front Needle Guard (Fig. 28)
Adjust Needle Guard so there is a spaceof.004—.008"
Guard
must
CAUTION: Needle
be reset
when
needle size is changed.
(.1 —
.2mm)
between the Needle
and
Guard.
Fig. 25
Fig.
26
Fig.
27
S-
Fig. 28
11-

LEFT LOOPER ADJUSTMENT (Fig.
29,30)
Clearance from
FEDERAL
STITCH
503
504
505
512
514
515
516
Insert the Looper into the Looper Lever, making sure it reaches
the
bottomofslot. Tighten screw (B).
pointofLooper to centerlineofNeedle
MODEL
503/IV
504/IV
504/IV
514/IV
514/IV
515/IV
516/IV
DIMENS
INCH
.154
(5/32)
.154
(5/32)
.154
(5/32)
.154(5/32)
.169(11/64)
.154
(5/32)
.154
(5/32)
Turn
[ON
the
Handwheel until
MM
3.9
3.9
3.9
3.9
4.3
3.9
3.9
<1
-B
Y ((
Fig. 29
Fig.
30
the Looper is in the extremely left position.
Loosen clamp screw (Fig. 29, Y).
Set
pointofLooper from centerlineofNeedle to correct dimension
shown above and lightly tighten screw (Y). Turn Handwheel until Looper point is on the centerlineofthe
that
Needle. Move Looper Lever, if necessary, along its shaft so
the Looperpoint just touches the needle
at the scarf (Fig. 30), tighten screw (Y). Recheck clearance dimension and tighten screw (Y) securely.
RIGHT LOOPER ADJUSTMENT (Fig.
Clearance from Looper (eye) or Spreader
31,
32,33,
34,35)
(bottomofV groove) to centerlineofNeedle (Fig.
31,32).
FEDERAL
STITCH
503
504
505
512*
514
515
516
aligned
Turn
with
Handwheel until
Loosenclampscrew(Fig.
dimensionisobtainedaslisted
left
MODEL
503/IV
504/IV
504/rV
514/IV*
514/IV
515/IV
516/IV
needle
the
eye
Looper
35,K)and
is at its
above.
DIMENS]
INCH
.130(1/8)
.130(1/8)
.130(1/8)
-0-*
.157
(5/32)
.130(1/8)
.130(1/8)
extremely
move
Looper
At the same time, make sure the Looper points
cross as
Qearance
Looper
(Fig.
shown
in Fig.
33.
between the Needle (N)
shouldbe.004
34).
—.008"
(0.1 -
and
0.2mm)
Right
(ON
MM
3.3
3.3
3.3
-0-*
4.0
3.3
3.3
left position.
until
necessary
0.1
—0.2mm
.004-.008"
Fig.
0.2—0.4mm
.008-.016"
—
33
0.1
—0.2mm
004-.008"
I
"3^
Fig. 32
Fig.
34
If the Right Looperstrikes the Left Looper in
Looper
-12-
Lever.
passing,
advance
or retard the timingby adjustingthe Right

RIGHT LOOPER LEVER ADJUSTMENT (Fig.
Turn
Handwheel until the Right Looper is at its lowest position.
Qearance
should
be:
between
Crank
Pin
and
Machine
35)
Bed
MODEL
503/IV
515/IV
504/IV
514/IV
516/IV
Note:
If
adjustment
Adjust
To
check
be
removed.
is necessary, loosen
the
Looper
INCH
.157
.157
.138
.138
.138
this
Lever
DIMENSl
(5/32)
(5/32)
(9/64)
(9/64)
(9/64)
setting
(J)upor
the
Oil
clamp
down
ON
•
Pan
screw
MM
4.0
4.0
3.5
3.5
3.5
must
(L).
until the
conect
setting is
Fig. 35
obtained.
Retighten clamp screw (L).
Adjust the Looper back and forth, right and left in the holder. Retime the Looper to the Needle since
raising or lowering the lever will alter the distance between the Looper eye and Needle centerline.
Securely tighten screw (K)
CAUTION: Make sure when tightening screw (L)
in
the
machine.
Various Right Loopers are provided as listed below for use with various size needles.
For
easeofidentification looper have been marked with a looper marking.
MODEL
2
3
4
thread
thread
thread
503-515/IV
1
504.516/IV
1
1
5i4/iy
CHAINSTITCH LOOPER ADJUSTMENT (Fig.
and
(L). Replace Oil Pan.
1
LOOPER
1
MARKING
i 1
3
5
2
4
i 6
i 7
NEEDLE
SINGER
9-12
13-16
17-21
9-12
13-16
17-21
9-14
36,
that
SIZE
W&G
027-032
034-040
042-051
027-032
034-040
042-051
027-036
37,
youdonot
IDENTIFICATION
METRIC
65-80
85-100
100-140
65-80
85-100
100-140
65-90
38)
twist the Looper Lever causing a bind
PART
NUMBER
515-516/IV 1
204278
323-810-215
204704
323-810-011
204705
323-810-012
204062
323-810-218
204702
323-810-009
204703
323-8104)10
503-514/IV
323-810-011
323-810-218
323-810-009
•204703
323-810-010
i
323-810-008
i
204704
204062
204702
204663
Qearance
Insert
untilittouches
Tighten screw (Q).
its
extremely
from
MODEL
515-516/IV
Chainstitch
left position (Fig.
point
the
of
Looper
i
Looper
Looper
Turn
Handwheel until
INCH
.083(5/16)
into
Looper
Regulator
37).
to centerlineofNeedle
MM
2.1
Lever (Fig.
36,
0)
(P).
the
Looper
is at
Loosen clamp screw (R) and move Looper Lever until
the necessary clearance is obtained. Tighten screw
(R).
Fig.
36
Fig.
37
-13-

CHAINSTITCH LOOPER HEIGHT ADJUSTMENT (Fig. 38)
Turn Handwheel and check the eye to eye relationship
of
the needle and
Looper. The eye of the needle and the eye of the Looper should cross when
the Looper is coming in to the needle and on the way back.Ifthe eye to eye
relationship is
left or right. This adjustment willraise or lower the Loopereye.
not
obtained, adjust the Looper Regulator (Fig. 36, P) to the
The Looper must be set so that the point of the Looper does not quite
touch the needle as it passes. When the above settings are complete, tighten
clamp screw
CHAINSTITCH
To
change
(R)
the
securely.
LOOPER
looper
AVOIDING
avoiding
motion
MOTION
due
to the
ADJUSTMENT
diameter
of the
(Fig.
needle.
39)
are fitted to the machinemake the following adjustment.
Swing
out
Cloth
Plate.
Remove
Avoiding Regulating Screw. (Fig. 39, G).
Less
motion-Turn
More
Check
that the
Retighten
motion-Turn
Looper
screw
screw
Chainstitch
Avoiding
Bedplate.
clockwise.
countei
Needle
Connection
Loosen
This
will
clockwise.
passes
Pin
just
Nut.
Looper
raise
This
behind
Replace
the
Looper
will
the
Bedplate
Avoiding
Avoiding
lower
the
Chainstitch
andCloth
Connection
Looper
When
largerorsmaller
Pin
Connection
Avoiding
Looper
Plate.
Fig.
Nut.
Pin.
Connection
on the
38
needles
Turn
Looper
Pin.
downstroke.
FEED ADJUSTMENT (Fig.
Feed
Dogs have generally been preset at
off. Before adjusting feeds,
cU
Fig.
39
39,
40,
turn
the Handwheel
41)
the
factory with a
until
Standard
needle
across
the
Loosen
feeds
until
Retighten
To
tilt
loosen
turn
screw
Retighten
Woven
Knit
materials —
fronttoback tilt when
the
feeds are at
heightofMain
plateatits
topofthe
Feed
Dog
the
proper
screws (A & B).
the
Feed
Feed
Bar Hinge Pin
(F)
until
screw
(D)
materials
their
highest position.
Feedis0.47"
rearend
Screws
Dogs,
—
tooth.Astraight
feeds (Fig.
(Fig.
heightisobtained
remove
Screw
the
and
Set
Tilt
desired
feeds
tiltisobtained.
replace screws (C & E).
level
feeds higher in
41).
40,
Plug
(3/64)
A & B)
Screw
(D).
the
machine was sewn
1.2mm above
edge
canbeplaced
and
raiseorlower
(Fig.
41).
(Fig.
Remove
the
front
screw
than
the
39,C)and
(E)
and
the
rear
Fig.
40
-14-
Fig. 41

PRESSER
Loosen
untilthe
FOOT
screw
face
(S) and
ofthe
ARM
ALIGNMENT
move
Presser
Securely tighten screw (S).
Presser
Arm
Arm
touches
(Fig.42)
(?) to the right or left
the
Machine
Arm
evenly.
503,504,
PRESSER FOOT LIFT ADJUSTMENT (Fig.
514/IV
42,43,
.
44)
515,516/IV
Fig. 43
Loosen screws holding Regulators (Fig. 42, W& Fig. 43, V)- Turn
Regulatorstoallow
Tighten
Turn
(2)
Turn
6.0mm.
both
Handwheel until Needle Bar is in the lowest position. Remove
lock
screws (Fig.
screw (M)
the
highest lift.
screws.
44,
N).
leftorright until a lift is
obtainedof.236"
(15/64)
Replace screws (N). After this setting has been, made, position
Regulators (V & W) as stops so they are in contact with the
Presser Arm (P) and
Foot
Lift Lever (Z).
Fig.
42
.V
,P
Ss**-
fc.
- Z
CHAINSTITCH
(^ig.
45)
Loosen
eyelets
Bracket
Turn
Loosen
horizontal
Takeup
(1/16)
securely.
screws
until
(B).
Handwheel
the
position.
Guide
1.5mm
Loosen the
until
the
Needle Bar isatthe highest position.
so
that
the flat
takeup
screws.
LOOPER
holding
the
coiled
Tighten
two
both
until
screws
With
(D) so
above
two
screws holding
portion
Checktomake
THREAD
Looper
ends
line up
screws.
the
Needle
holding
the
left
that
the
the
topofbracket
Thread
bracket
screw
bottom
takeup
CONTROL
Takeup
with
Bar
is at
loose,
ADJUSTMENT
Eyelets
the
engraved lineonGuide
the
(B).
Set
position
edgeofguide (D) is
(B). Tighten
(C)
and
turn
Set
(A)
and
highest position.
the
bracket
Looper
both
the Handwheel
the
takeup
is at a 10° angle to bracket (B). Tighten
sure
that
the
takeup
clears
guide
move
in a
Thread
.060"
screws
(C)
(D).
Fig.
Fig.
44
45
-15
—

TIMING
GAUGES
515,
516/IV
117
323-882-203
B
\^A
F D
503,
504/IV
RESPECTIVE
MEASURING
POSITIONS
A) Right Needle,atupper
B)
Right
Looper,atleft
C) Left Looper, at
(Needle
D)
Left
Looper,atleft
(Needle
E)
Chamstitch
(Needle
left
dead
Size
11)
dead
Size
14)
Looper,atleft
Size
11)
J
REQUIRED
dead
dead
Point.
Point.
Point.
dead
Point.
185
323-882-002
Point.
F) Chainstitch Looper,atleft dead Point.
(Needle
G) Main
H) Highest heightofPresser
I)
Needle,atupper
J) Right Looper, at
(Needle
K) •
Left
(Needle
L)
Left
Needle,atupper
Size
14)
Feed
Dog,atupper
dead
Size
9)
Looper,atleft
Size
9)
left
Point.
dead
dead
dead
dead
Foot
Point.
Point.
Point.
Point.
lifted.
AT
C
514/IV
BASIC
from
from
Eye
from
from
from
from
from
from
from
from
Eye
from
from
E
Center.
Center.
POSITIONS
Needle Plate
Left
sideofNeedletoLooper
Left
sideofNeedletoLooper
Left
sideofNeedletoLooper
Left
sideofNeedletoLooper
Left
sideofNeedletoLooper
Needle
Needle
Plate
Plate
Needle
Needle
Plate
Left
sideofNeedletoLooper
Left
sideofNeedletoLooper
Plate
ON
toptoNeedle
toptotop
toptoSoleofPresser
toptoNeedle
toptoNeedle
323-882-003
MEASURING
Point,
Thread
Point.
Point.
Point.
Point.
EdgesofTeeth,
Foot,
Point,
Thread
Point,
Point.
-16-

MILLIMETER-INCH
CONVERSION
FRACTION
CHART
&
DECIMAL
MM
2.0
2.1
2.2
2.3
2.4
2.5
2.6
;2.7
2.8
2.9
3.0
3.1
3.2
3.3
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
I.O
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
APPR.
:
INCH
FRACT.
I
1/64
1/64
1/32
3/64
3/64
1/16
5/64
3/32
7/64
1/8
DECIMAL
.004
.008
.012
.016
.020
.024
.028
.032
.035
.039
.043
.047
.051
.055
.059
.063
.067
.071
.075
.079
.083
.087
.091
.094
.098
.102
.106
.110
.114
.118
.122
.125
.130
1 • ' 1
5/32
3/16
1 1
DECIMAL
.134
.138
.142
.146
.150
.154
.157
.161
.165
.169
.173
.177
.181
.185
.189
.193
.197
,201
.205
.209
.213
.217
.220
.224
.228
.232
.236
.240
.244
.248
.252
.256
.260
APPR.
MM
3.4
3.5
i
3.6
!
3.7
i
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6.0
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
INCH
FRACT.
i
!
1
1
i
i 9/64
1
11/64
-
13/64
7/32
15/64
1/4
1
i
'
MM i
6.7
6.8
6.9
7.0
7.1
7.2
7.3
7.4
7.5 '
7.6
7.7
7.8
7.9
8.0
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9.0
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10.0
1
•
i
APPR.
INCH
FRACT.
17/64
9/37
19/64
5/16
21/64
11/32
23/64
3/8
25/64
.
DECIMAL
.
!
.264
.268
.272
'.276
780
.283
.287
.291
.295
.299
.303
.307
.311
.315
.319
.323
.327
.330
.335
.339
.343
.346
.350
.354
.358
.362
.366
.370
.374
.378
.382
.386
.390
.394
20.0
30.0
40.0
25/32
1-3/16
1-37/64
1
.787
1.181
1.575 j
50.0
60.0
70.0
1-31/32
1-23/64
2-3/4
1.968
2.362
2.756 i
.
80.0
90.0
100.0
3-5/32
3-35/64
3-15/16 i
•"
3.150
3.543
3.937
-17-

WILLCOX
&
GIBBS
500/IV
PARTS
CATALOG
mm
-
19-

503-516/IV
MACHINE
BED
FRAME
(23T
i®
-20-

MACHINE
503-516/IV
BED
FRAME
REF.
NO.
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
NEW
1
2
PRODUCT
CODE
NO.
323-508-007
323-508-004
323-600-359
323-600-043
323-500-006
3^663-207
323-600-001
323-620-001
323-500-004
323-600-327
323-600-328
323-620-001
323-663-213
323-560-015
323-882-201
323-627-205
323-627-014
323-600-329
323-615-001
323-600-356
OLD
204000B
204739
5332
2022
204622A
204251
5078
201002
204850
5237
5163
201002
204277
204849
204003
204004
205088
5179
201006
5313
NO.
DESCRIPTION
Machine
Machine
Machine
Machine
bed
frame
bed
frame
bed frame oil hole plugscrew
bed
frame
oilholeplug
Machinearm (right)
Machine
Machine
Machine
Machine
Machine
arm(right) oil sealgasket
arm(right) screw(4 used)
arm(right) hingepin (2 used)
arm
(left)
arm(left) screw(long)
Machinearm (left) screw (short) (2 used)
Machine
arm(left) hinge pin (2 used)
Machinearm (left) oil shield
Machinearm (left) dust shield
Oilsight gauge
Deadhole plug
Dead hole plug
Constructionhole plugscrew(small)
Construction hole plugscrew(small) washer
Construction hole plugscrew(large)
screw
(3 used)
503/IV
504/1V
514/IV
X
X x
X X
X X
X X
X X
X
X X
X
X
X X
X X
X
X x
X
X
X
X
X X
5I5/IV
516/IV
X
X
X
X
X
X
* X
X
X
21
323-615
22
323-627-010
23
323-600-359
24
323-615-209
25
323-620-242
26
323-655-007
.
27
323-692-224
28
323-692-017
232
204448
204828
5332
200138
204006
204794A
204334
204686
Construction hole plugscrew(large)washer
Dead hole plug
Screw driver hole plug screw
Screw driver hole plug screw washer
Machine bed bottom pin (4 used)
Machine
bed
oil
filter
Modelplate for 515/IV-26
Model plate for 504/IV-45
X X
X
X X
X X
X
X X
•
X
X
-21-

5I5-5I6/IV
(1)
MAIN
FRAME
MISCELLANEOUS
AND
COVERS
J
l
ii
~
-22-
u«&b
'
"••"
lii^^
I

REP.
NO.
6
7
8
9
10
11
12
13
14
15
1
2
3
4
5
NEW
PRODUCT
CODE
323-800-032
323-663-010
323-600-014
323-600-354
323-615-229
323-510-247
323-663-208
323-600-0-
323-600-271
323-510-265
323-663-209
323-600-057
323-510-237
323-800-034
323-600-057
NO.
(1) MAIN
OLD
NO.
204842
204851
4009-1
5138B
202287A
204208
204209
5117
2193
20421OA
204211
5117
204212A
204213A
5117
FRAME
DESCRIPTION
AND
MISCELLANEOUS
COVERS
Bedplate
Bedplate gasket
Bedplatescrew (7 used)
Oil filler plugscrew
Oil filler plug screw washer
515-516/IV
Machine
bed
cover
Machine bed cover gasket
Machine
bed coverscrew (round head) (5 used)
Machinebed coverscrew (hex. head)
Machine
Machine
Machine
Machine
arm (right) cover plate
arm (right) cover plate gasket
arm(right) cover plate screw(10 used)
bed
bottom
cover
Machine bed bottom cover plate
Machine bed bottom cover plate screw (8 used)
16
17
18
19
20
21
22
23
24
25
26
27
323-802-210
323-615-201
323-680-001
323-600-013
323-734-204
323-600-068
323-615-015
323-600-314
323-600-011
323-630-001
323-800-222
323-600-014
204215
202576
201139
5084
204218
1216
200162A
5232
5002
3044
204325
4009-1
Cloth plate
Cloth plate hinge stud thrust washer
Cloth plate hinge stud thrust collar
Cloth plate hingestud thrust collar screw (2 used)
Cloth plate lock spring
Cloth plate lock spring screw (2 used)
Cloth plate lock spring screw washer
Cloth plate lock springlatch
Cloth plate stop screw
Cloth plate stop screw nut
Face plate
Face plate screw (3 used)
23-

5I5-5I6/IV
(2)
MAIN
FRAME
MISCELLANEOUS COVERS
AND
35)
I--'r
^
l ^
3UC
••;®1
@.
Ml
-24-
®
W

(2) MAIN FRAME AND MISCELLANEOUS COVERS
REP.
NEW
NO. CODE NO.
1
2
3 323-510-051
4
5
6
7
8
9
10
11
12
13
14
PRODUCT
323-S60>016
323>6004)14
323-620-240
323-641-201
323-600-006
323-510-248
323-600-014
323-692-256
323-510-251
OLD
NO. DESCRIPTION
204848 Clothplate
4009-1
208023
202653
202689
1234
204223
4009-1
204450
204224
Clothplate
Needle
bar
Needle
bar
Needle
bar
Needle
bar
Needle
bar
Needle
bar
Needle
bar.cover
Top
cover
323-600-072 5094 Top cover
323-600-038
323-600-057
323-510-054
5095 Top cover
5117 Top
208012
Front
cover
cover,
fabric
fabric
cover
cover
cover
cover
cover
cover
screw
screw
screw
complete
208009,200555, 208010,1459 & 1189x2
15 323-510-050 208002 Front cover(left)
16
323-510-052
17
323-600-301
18
323-728-009
19
323-622-004
20
323-634-004
21
323-640-015
22
323-600-034
23
323-600-068
24
323-600-072
25
323-630-202
26 323-510-030
27
323-600-072
28
323-560-014
29
323-600-206
30
323-627-206
31
323-600-251
32
323-627-207
33
323-860-200
34
323-639-225
35
323-860-213
36
323-639-225
37
323-860-213
38
323-860-200
39
323-891-002
40
323-628-002
41
323-800026
42
323-615-018
4
323-561-018
43
323-561-019
44
323-600-073
45
323-630-009
46
323-615-032
47
323-728-012
48
323-600-046
49
•323-615-013
50
323-505-012
51
323-600-227
52
323-630-009
208000
1189
208007
208009
200555
208010 Front
1459 Front
1216
5094 Front
5137 Front
204650A
5094
204799
5147
204242
Front
cover
Front
cover
Front
cover
Front
cover
Front
cover
cover
cover
Front
cover
cover
cover
Oil cooler cover
CO
cooler
Right
Right
cover
looper
looper
Goth plate
5022 Goth platerubber
204243
201048A
201072A
201048A-1
201072A
201048A-1
201048A
204649
204871
204646
137906
204988
204924
2918
5099
204925
204922
1170-3
200821
204982
5003
5099
Goth platerubberplug
Right
needle
Ri^t
looperthread tube
Rightlooperthreadeyelet
Leftlooperthread tube
Leftlooperthreadeyelet
Giainstitchlooperthreadeyelet(2 used)
Stitch
indicator
Stitch indicator rivet(2 used)
Front cover spacer
Front coverhinge screw(short) washer(3 used)
Eye guard, complete with partsofRef. Nos 43-52
Eye
guard
Eye guard screw (2 used)
Eye guard screw nut (2 used)
Eye guard screw
Eye guard hinge
Eye guard hinge screw (2 used)
Eye guard hinge screw washer (2 used)
Eye guard hinge base
Eye guard hinge base screw (2 used)
Eye guard hinge base screw nut (2 used)
(ri^t)
screw(2used)
hinge
hinge
hinge
hinge
hinge
hinge
hinge
hinge
lever
lever
rubber
threadeyelet
515-516/IV
guard
guard
screw
hinge
pin(2
lock
spring
lock
spring
lock
spring
lock
spring
name
plate
(long)
(medium)
(short)(2 used)
with
pin
pinstop
spring
pin
screw
screw
(short)(3used)
screw
(long)
screw
(long)
screw(3used)
oil
shield
oil
shield
screw(3used)
nut
washer
(2 used)
used)
screw(2used)
latch
latch
screw
208002,
208000, 208007,
ring
nut
screw
-25-

(i
)MAIN
COVERS
503-5
FRAME
14/IV
AND
MISCELLANEOUS
MS)
-26-

503.514/IV
REF.
NO.
3
4
6
8
9
10
11 •
12
13
14
15
1
2
5
7
NEW
PRODUCT
CODE
323-800-032
323-663-010
323-600-014
323-627-009
323-600-354
323-615-229
323-510-247
323-663-208
323-600-057
323-600-271
323-510-265
323-663-209
323-600-057
323-510-237
323-800-034
NO.
(1) MAIN FRAME AND MISCELLANEOUS
OLD
NO.
DESCRIPTION
204842
204851
4009-1
204827
5138B
202287A
204208
.204209
5117
2193
2042lOA
204211
5117
204212A
204213A
Bedplate
Bedplate gasket
Bedplatescrew (7 used)
Cloth plate
OUfiller plug screw
cusMon
plug(large)
Oil filler plug screw washer
Machine
bed
cover
Machine bed cover gasket
Machinebed coverscrew(round head) (5 used)
Machine
bed
cover
screw
(hex.
head)
Machinearm (right) cover plate
Machine aim (right) cover plate gasket
Machine arm (right) cover plate screw (10 used)
Machine
Machine bed
bed
bottom
bottom
cover
cover plate
COVERS
16 323-600-057 5117 Machine bed bottom cover plate screw (8 used)
17 323-800-223 202650 Faceplate
18 323-600-014 4009-1 Face plate screw (3 used)
19 323-802-002 204740
20
323-734-003
204742
Clothpiate(narrow)(usedwithpartsofRef.Nos.
Cloth
plate
latch
21 323-618-213 204118 Cloth plate latch spacer
22 323-600-099 5362 Cloth plate latch screw
23 323-600-069 1435 Cloth plate latcli adjusting screw
24 323-600-034 1459 Cloth plate latch adjusting screw lock screw
25
323-620-014
204743
Cloth
plate
latch
pin
26 323-740-019 204744 Goth plate latch pin bracket
27 323-600-032 1202 Cloth plate latch pin bracket screw
28 323-640-007 204745 Cloth plate latch spring
29 323-620-015 204746 Cloth plate push pin
30 323-850-023 204747 Cloth plate push pin guide
31
32
33
34
35
36
37
38
39
40
323-600-015
323-6404)08
323-802-003
323-734-204
323-600-068
323-615-014
323-600-314
323-627-005
323-615-201
323-680-001
5053
204748
204798
204218
1216
200162
5232
204749
202576
201139
Cloth plate push pin guide screw
Cloth plate push pin spring
Goth
plate (wide) (used with parts of Ref. Nos. 34-38)
Cloth plate lock spring
Cloth plate lock spring screw washer
Cloth plate lock spring pin-screw
Cloth plate cushion plug
Cloth plate hinge stud thrust washer
Cloth plate hinge stud thrustcollar
41 323-600-013 5084 Cloth plate hingestud thrust collar screw (2 used)
42 323-627-005 204749 Cloth plate cushion plug (small) (2 used)
43 323-600-057 5117 Cloth plate stop screw
44
323-630-001
3044 Goth
plate
stop
screw
nut
20-32)
-27-

503-514/lV
(2)
MAIN
FRAME
MISCELLANEOUS COVERS
A^
(45
•''
rxo
r^.
.>W\.
^ iK\ ^ Ni\
r>v
J./
• ''-J I
,.;^X-. i
1
<4
;
'•
"'..1
•'
o»
®
1 J
26
-28-
®

503-514/IV
NEW
REF.
NO.
1
2
3
4
5
PRODUCT
CODE
NO,
323-560-016
323-600-014
323-646-003
323-600-229
323-510-051
OLD
204848
4009-1
204681
2922
208023
6 323-620-240 202653
7
323-641-201
202689
8 323-600-006 1234
9
323-510-248
10 323-600-014
204223
4009-1
11 323-692-256 204450
(2) MAIN FRAME
NO.
DESCRIPTION
Cloth plate fabric guard
Cloth plate fabric guard screw (2 used)
Cloth plate fabric guard spacer
Cloth plate fabric guard spacer screw
Needle
Needle
Needle
Needle
Needle
Needle
Needle
AND
MISCELLANEOUS
bar
cover
barcover
hinge
pin(2 used)
bar coverlock spring
barcoverlock
barcoverlock
spring
spring
bar coverlock springlatch screw
bar covername plate
12 323-510-251 204224 Top cover
13 323-600-072 5094 Topcover screw (long)
14 323-600-038 5095 Top cover screw(medium)
15 323-600-057 5117 Top coverscrew(short) (2 used)
16
17
323-510-052
323-510-046
208000
208003
Front cover (right)
Front cover (left) (all 1-needle machines and 2-needle
1.5mm & 2mm gauge machines)
18
19
323-510-053
323-510-048
208058
208005
Front cover(left) (2-needle2.5mm &3mm
Front cover (left) (7mm & 8mm gauge)
1189 Front cover screw (2 used)
21 323-728-009 208007 Front cover
22 323-622-004 208009 Front cover
23
24
323-634-004
323-640-015
2(K)555
Front
208010 Front cover
cover
hinge
hinge
hinge
hinge
pin
pinstop
spring
ring
25 323-600-034 1459 Front cover hinge pinscrew
26
323-600-068
27
323-600-072
28
323-630-202
29
323-510-030
30
323-600-072
31 323-560-014 204799
32 323-600-206 5147
33 323-860-200
323-639-225
34
35
323-860-213
36
323-639-225
37
323-860-213
38
323-891-002
39
323-628-002
40
323-800-026
41
323-615-018
323-561-018
42^
323-561-019
43
323-600-073
44
323-630-009
45
323-615-032
46
323-728-012
47
323-600-046
48
323-615-013
49
323-505-012
50
323-600-227
51
323-630-009
1216 Front
5094 Front
5137 Front
204650A
5094
201048A
201072A
201048A-1
201072A
201048A-1
204649
204871
204646
137906
204988
204924
2918
5099
204925
204922
1170-3
200821
204982
5003
5099
cover
hinge
screw
cover
hinge
cover
Oil
Oil
Right
Right
Right
Right
cooler
cooler
hinge
cover
cover
looper
lever
looperleveroil shield
needlethreadeyelet
looperthread tube
screw
screw
screw
oilshield
(short)(3
(long)
(long)
(3 used)
Right looper thread eyelet
Left looper thread tube
Left looper thread eyelet
Stitch
indicator
Stitch
Front
indicator
cover spacer
rivet
Front cover hinge screw (short) washer (3 used)
Eye guard, complete with partsofRef. Nos 42-51
Eye guard
Eye guard screw (2 used)
Eye guard screw nut (2 used)
Eye guard screw
nut
washer
Eye guard hinge
Eye guard hinge screw (2 used)
Eye guard hinge screw washer (2 used)
Eye guard hinge base
Eye guard hinge base screw (2 used)
Eye guard hinge base screw nut (2 used)
screw
latch
nut
screw
(2 used)
used)
COVERS
gauge
machines)
-29-

503-516/IV
CRANKSHAFT
MECHANISM
8 .
(12)
-30-

503-516/IV
CRANKSHAFT
MECHANISM
REF.
NO.
10
11
12
13
14
15
I6
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
1
2
3
4
5
6
7
8
9
34
35
36
37
38
39
NEW
PRODUCT
CODE
323-540-015
323-600-344
323-653-003
323-671-200
323-515-004
323-515-002
323-600-245
323-663-205
323-633-002
323-758-003
323-615-233
323-600-097
323-615-233
323-676-243
323-600-043
323-676-232
323-600-027
323-600-293
323-671-001
323-615-217
323-646-001
323-671-002
323-800-224
323-626-202
323-600-057
323-600-294
323-615-221
323-680-204
323-632-001
323-546-203
323-600-008
323-600-009
323-546-204
323-600-295
323-780-006
323-780-005
323-600-010
323-510245
323-600209
NO.
OLD
204733
5315
202081
204010
204881
204737
5136
-204319
204734
204873
204520
5361
204520
204014
2022
204016
1174
5240
201523A
204018
204019A
204020A
204021
204022
5117
5238
204023
204024
201022
204025
5080
5081
204026
5267
204658
204648
5010
204028
5214
DESCRIPTION
NO.
Crankshaft
Crankshaft oil plug screw
Crankshaft
Crankshaft
oil
wick
bail bearing
Crankshaft ball bearing Geft) housing
Crankshaft ballbearing Geft) housing
Crankshaftball
bearing
Geft)housingscrew(4 used)
Crankshaft ball bearing Geft) housing gasket
Crankshaft ball bearing Geft) retaining ring
Crankshaft
Crankshaft
extension
extension
washer
Crankshaft ball bearing Geft) screw
Crankshaft ball bearing Geft) screw washer
Crankshaft bushing
Crankshaft bushing screw
Crankshaft bushing(center), complete with 1174x2
Crankshaft
bushing
(center)
assembling
Crankshaft bushing(center) screw
Crankshaft ball bearing (center)
Crankshaft ball bearing (center) washer (4 used)
Crankshaft ball bearing (center) spacer
Crankshaft ball bearing (right)
Crankshaft ball bearing (right) plate
Crankshaft ball bearing (right) plate gasket
Crankshaft ball bearing(right) plate screw(4 used)
Crankshaft ball bearing (right) screw
Crankshaft ball bearing (right) screw washer
Crankshaft
Crankshaft oil seal collar
oil
seal
collar
"0"
ring (2 used)
Machine pulley
Machine pulley position screw
Machine pulley screw
Machinepulley collar
Machinepulley collar screw
Machine
Machine
Machine
Machine
Machine
pulleycap —2:1 diff. feed ratio
pulleycap —3:1 diff. feed ratio
pulleycap
screw
(3 used)
pulleycap name plate
pulleycap name plate screw
screw
(2 used)
503/IV
504/IV
514/lV
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
515/lV
516/IV
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
-31-