Page 1
SINGER
INDUSTRIAL
PRODUCTS
Needle
Catalog
PARTS
SINGER*
Positioner
Numbers
for the
and
Underbed
NP0501
LIST
Thread
01
and
Trimmer
NP0501 03
For
·A
Trade
Mark of
The
Singer Company
details,
I
ndustrial
call
your Industrial
Products
Copyright
All
Division,
@ 1967
Right
s Reserved
Sales
30
Rockefeller
by
Office,
or
write
Plaza,
THE
INDUSTRIAL
The
Throughout
SINGER
Singer
Company
the Wo
The
New
Singer
Company,
York,
N.Y.
10020
PRODUCTS DI
rld
COMPANY
VISION
Printed
in
U.S.A.
Page 2
PARTS
LIST
TABLE
Figure Title Page
1
Operating
2 Commutator Sensor Assembly
3 Positioner Control Console
4
5 Trimmer Solenoid Assembly ·
6
Figure
4
1
2
3
5
6
Trimmer
Thread
Operating
Commutator Sensor Assembly · · · · · · • · · • • • • • · · 9-788970-01
Positioner Control
Trimmer
Trimmer
Thread Wiper Assembly
Switches Assembly · · · · · · · · · · · · · ·
Assembly
Wiper
Title
Switches Assembly• • · • · · • • • • · • • • • ·
Assembly···
Solenoid Assembly ........
..
· .
....... · ......
Assembly
.......•.....•.....•......•.....•......••.
LIST
Console··············
....
•.......••••.••••.•.•
......
OF CONTENTS
...•..•..••..•
...
· ·
•..........
..
· · ·
.. · .............•.•••..•..........
. .
......
·.
· · · · • • ·
OF
ILLUSTRATIONS
...
..........
• • · · 9-789895-01
..•.
.•..
•.•••••...
. . 9-785727-01
....
..•...•.
..••.••...........
Part
9-785726-04
9-785578-02
9-788973-01/02
•...........•.
••..•••....•.••..•.
No.
.•..•
...
PL-1
PL-4
PL-7
PL-11
PL-14
PL-17
Page
PL-2
PL-5
PL-8
PL-12
PL-15
PL-18
Catalog
Catalog
No.
NP050101 refers to Machine Nos. 281-41
No.
NP050103 refers to
Machine
No.
281-61.
and
281-43.
Page 3
Parts
list
Index
1.
2.
Quantity
1
1
Figure 1
3-789932-01
2-785762-01
Part
....
Number
3. 1 1-930687-05
4.
5. 1
6.
7.
8.
9. 1
10.
1 2-788878-01
2-789939-01
2
2
1
1-930330-08
1-931658-20
2-789938-01
1-789933-01
1
1-789934-01
Operating
Safety
Collar
Set
Spring
Switch
Items
Screw
Lock
Stop
(Includes Items 9,
Stop
Screw,
Switches
Switch
Screw
Bracket
6 &
7)
Washer
with
Screws
Adjusting
Assembly
Description
with
10,
Bushings (Includes
11 & 12)
11.
12.
13.
14.
1 1-706404-07
2 1-930687-06
1 3-795457-05
1 0-460222-03
15. 2
16.
17
. 4
18.
19.
2
2
2
20. 3
21. 3
22. 1
23. 1
24.
1
1-785756-01
943864-901
0-252325-08
1-930240-01
1-888493-08
1-788584-01
1-788585-01
1-783862-01
1-783863-01
2-789935-01
Nut,
Hex
Set
Screw
Cable
14, 15,
Cable
Switch
Terminal Lug,
Sleeving
Screw
Strain
Wire
Wire
Plug
Cap
Cover
Complete
16 & 17)
Relief
Tie
Clip
(Includes Items
Ground
25. 4
1-0507
48-
15
Screw
PL-1
Page 4
22
~
25
/
52
37
49
24
I
36
I
1
I
I
I /
v/
I
l
........
......_
~21
40
39
34
33
""/
32~
I ( /~
I
'
..J
27
~
,._18
1
__.;~
/"1
I
~~
1
6
/
L./
25
29
I
17
15
42
53
Figure 1 •
...
Operating
Switches Assembly
PL-2
Page 5
Parts List
Index
Quantity
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36. 1
Figure 1
4
1
1
2
2
2
....
Operating
Part
Number
1-931658-02
3-789927-01
3-789926-01
1-931868-15
1-706404-04
1-930330-30
2 1-931658-20
1
1
1
1-706239-30
2-789922-01
1-789929-01
3-789919-01
Switches
Lock
Trim
Base
Washer,
Nut
Screw
Lock Washer
Washer,
Spring
Screw,
Pedal
Assembly
Washer
Switch
Flat
Flat
Adjusting
(Cont'd)
Description
37.
2
38. 2
39. 1
40. 1
41.
42.
1
2 1-930330-62
1-700980-29
1-789930-01
2-789925-01
2-789925-02
2-789920-01
Rivet
Retaining Ring
Pad,
Pad,
Leg (For Toe
Screw
43. 2 1-931555-33 Lock
44.
2
2-789921-01
Clamp
45. 4 1-703432-76 Screw
46. 4
47. 1
48. 1 0-460222-03
49.
50.
1
2 1-703427-25
1-931658-18
3-795457-04
2-789923-01
Lock
Cable
and
48)
Cable
Bracket
Screw
Pedal (For Foot
Pedal (For Knee
Operation)
Washer
Washer
Complete
(Includes Items
Operation)
Operation)
15, 16,
17
Lock
51. 2 1-931658-19
52.
3
53. 1
1-772933-01
2-789924-01
PL-3
Washer
Screw
Rod
Page 6
Parts List
Index
1.
2.
Quantity
1 4-785994-02
2
3. 3
4.
5.
6.
2
2 1-931868-15
1 .
7. 1
9.
10.
1 3-795457-01
1
11. 1
Figure 2
Part
.••.
Number
6-051283-01
1-737983-06
1-703473-21
2-795435-01
2-788700-02
0-460222-04
1-783865-01
Commutator Sensor Assembly
Description
Machine
Set
Screw
Lock Washer
Washer,
Shoulder
Sensor
Winder
Cable
12,
Cable
Plug
Pulley
Screw
Flat
Screw
Bracket,
Bracket and
Complete
13,
14
with
Complete
(Includes Items
and
15)
Set
Weld
Screws
(Includes Bobbin
Nut)
11,
10,
12.
13.
14.
15
16.
17.
18.
19.
.
1
1
3
3
1
7
3
1
20. 3
21. 3
22.
23
24.
25.
26.
.
2
2
1
1
1
1-788590-01
943864-903
0-252325-08
2-7061n-oo
1-789879-01
1-051327-01
1-717366-17
2-789887-01
1-785715-01
2-785620-03
1-703432-73
1-931658-18
2-788955-01
1-788967-01
2-788984-01
Sleeving
Terminal Lug,
Sleeving
Terminal
Clamp,
Screw
Screw
Brush Block
Insert
Brush with Spring
Screw
Lock Washer
Mounting
Ball Bearing
Shaft
Cab! e
Ground
with
Plate
Inserts
and
Terminal
27.
1
1-788950-01
Collar
PL-4
Page 7
I
2-1
35
/
/
/
./
26
I
I
I
I
I
./
<
............
1
7'»
I
I
I
I
I
6---i:
7 I 1
',
I
l.
....
Figure 2
Commutator
...
•
Sensor Assembly
PL-5
Page 8
Figure 2 . •
Index Quantity Part Number Description
..
Commutator Sensor Assembly (Cont'd)
28.
29.
30.
31.
32.
33.
34.
35.
1 1-930687-06 Set Screw
1 1-930686-02
Set
Screw
1 2-788982-01 Commutator
32,
33 an d 34)
1 2-788951-01 Hub
Fi
xed
t, H
Comm
able
ex
1 2-788953-01
1 2-788954-01
1 2-788956-01
1
2-788960
-0
Adjust
Nu
1 Cover
Asse
mbly (Includ
utator Segment
Comm
utator Segment
es
Ite
ms
31
,
PL-6
Page 9
Parts List
Index
1.
2.
3.
4.
5. 1
6. 1
7. 1
8.
9.
.
10.
11.
Oua,ntity
1
3
5
3
9
4
1
1
Figure 3 .
Part Number
...
4-785966-02
1-930640-02
1-703473-32
1-618484-16
4-785954-01
4-785955-0 1
2-785953-01
1-772969-09
1-931555-35
2-795575-01
3-789955-01
Positioner Control Console
Description
Cover
Screw
Lock Washer
Washer,
Trimmer Board Assembly
Position Board Assem.
Capacitor
Screw
Lock Washer
Motor V
Motor
Complete
Flat
with Brackets
-Belt
with
Fan,
Pulley
and
Base
12.
13.
14.
15.
16.
17
. 2
18.
19.
20.
21.
22.
23. 1
24. 1
25.
1
1
1
3-789954-01
3-789928-01
2-785948-01
4 1-930112-03 Screw
4 1-703473-24
1
1
1
2
2
1-78577?:-0
1-984390-01
1-785947-01
1-0507
1-703427-60
1-931744-63
1
48-31
2-785943-01
1-730393-04
1
1-618484-15
26. 2 1-703445-09
Motor
Base for
Fan
Lock Washer
Nut,
Fuse
Fuse Block
Screw
Screw
Flat
Pulley,
Screw
Washer,
Retaining
with
Motor
with
Pulley
Twin Speed
Washer
Outer
Flat
Ring
Base
27. 1
2-785941-01
Disc
PL-7
Page 10
Figure 3 ....
Positioner
Control
PL-8
Console
Page 11
In
dex
Ouc;:Jntity
F
igure 3 ..
P
art
. . Positio
Num
ber
Parts List
ner Control
Console
Des
(Con
t'd)
cription
28.
29.
30.
32
.
34.
35. 2 236
. 1
37. 1 2-785933-01
38. 1
12
1
1
1
1
1-70342
1-980
326
8-11
-01
2-785940-01
5939-01
2-78
2-785944-01
785995-02
2-789917-01
2-785934-01
Screw
Ba
ll Bearing
P
ulley
Material)
Friction
Material)
Pulley,
Ball Bearing
Sliding
Spring,
Spring,
39. 1 2-785935-01 Bushing
40. 1
4
1.
42
. 1
1 3-789996-02
1-785594-01
2-785930-01
Retaining
Flywheel
Shaft
Disc Assembled (Includes
Disc Assembled (Includes
Inner
Sleeve
Outer
Inner
Ring, Beveled
Friction
Friction
43
.
1 1-703477-37
44. 1 1-140691-03
45.
46
.
1
1
47. 2
48
.
1
49. 1
50. 1
51. 4
52. 4
2-789911-02
2-785931-01 Coil
706404-04
943864-902
1-783864-01
2-785962-01
1-703769-24
1-931555-46
53. 1 4-789896-01
57. 2
1-783863-01
Nut,
Hex
Elastic
Set
Screw
Support W /Coil
Nut
Termina l
Socke
Power Swi
S
crew
L
ock
Harness (Incl
Keying Plug
Ca
p
Lug
t, 6 Pin
tch
Washer
, G round
udes Plug Board Sockets,
s, a
Stop
nd Flag
Contacts
)
PL-
9
Page 12
Ind
ex
58
. t
Q
uantit
Figu re 3
y
Pa rt Num
1-783859-01
..
. . Posit
Parts List
ione
r Control Consule (Cont'd)
ber
Socket , 8 Pin
Des
cription
59. 1
60.
1
61. t
62
. 16
63.
2 1-8
64. 1
0-362405-03 Sl
78
3861-01 So
1-
0-36
2405-08
0-
252303-04
8849
3-05
1-88
8493-04
65. 1 2-795382-02
66
. 1
67
. 1
68. 1
69
. 1
70. 2
71. 1
1-
982022-04
1-888696-02
1-888696-04
1-982754-08
1-887915-01
785945-02
4-
ACCESSORIES
eeving
cket,
Sleeving
Sleeving
Strain
Strain
Line
Lead,
Lead,
Lead,
Lead,
Solderless
Base
Relief
Relief
Cord
Green
Black
Black
White
Plate
11
Pin
\
(Inside Plug)
with Plug
Connector
w/Front
Panel
72
.
1 2-789623-01
73. 4
74. 1
-795231 -05
1
6-795586-01
Transformer, Pow
Screw
Trans w
PL-10
/Screws
er
Step
Down Is
olation
Page 13
Figure 4
Parts List
•...
Trimmer Assembly
Index
1. 2
2.
3. 1
4. 1
5.
6.
7. 1
8. 1
9. 2
10.
11.
12
. 1
13.
Quantity
1
1
1
1
2
3
Part
Number
2-785780-01
1-785877-01
1-930922-13
1-788946-01
2-785782-01
2-785779-01
1-788978-01
1-050073-01
1-931055-77
2-785784-01
3-785747-01
2-785742-01
1-785879-01
Knife
Clamp
Screw
Screw
Knife
Knife Spring
Screw
Screw
Washer
Feed Lifting
Picker
Clamp,
Screw
Tube
Holder
Picker
Description
with
Speed
Assembly
Retainer
Crank
Nut
Release
14.
15.
16.
17.
18.
19
. 1
20.
1
1
1
1
1
1
21. 1
22.
2
23. 1
24
. 1
25.
1
26. 1
27.
1
2-795385-01
1-795579-01
2-785748-01
795247-011
1-789915-01
1-789912-01
2-785739-01
2-785744-01
2-785746-01
2-785749-01
1-788917-01
2-785738-01
1-789690-01
3-785753-01
Clamp
Screw
Spring , Lever
Drive
Screw
Collar
Knife Drive Link Assembly (Includes Drive
Screw)
Plunger
Rivet,
Spring,
Screw
Spring,
Pin,
Support
Body,
Screw
Link
Spring Retaining
Picker
Lock Releasing Link
Plunger
Plunger
Bracket
Lock
Return
Release
PL-11
Page 14
7~
·
~,/~
10
9
v--4
I
19
18
'w
II~
20
~
......
~
17
16
8
<
/
/
/
/
/
//
~~
-<_,7
C/
/
/
22~.
~
21
.
/
/
/
/
/
/
//
23 I
=l~)
29
28
o/
~
........
........
........
22
.......
'r/
" 24
I',~
I~
I
I
I
I
I
)>o
l_
~
~'
/
6
31
25
34
........
~13
. 4 Trimmer Assembly
F1gure · · · ·
PL-12
Page 15
Parts
List
Index
28
.
29
.
30
.
31.
32
.
33
.
34.
Quantity
1
1
1
1
1
2
1
Figure 4 ..•.
Part Number
2-785750-01
700755-932
2-785737-01
1-788948-01
2-785745-01
1-050748
2-795
-31
555-0
Trimmer
1
Assembly (Cont'd)
Description
PI
unge r Lock
Lock
Pin)
Pin, Plunger Lock
Pl
unger
Screw, Set
Clamp, Leg
Screw
Support Bracket Strop with Stop
Assemb
(Includes Plunger
I y
PL-13
Page 16
Ind
ex
Guar.~tity
Fi
gure 5
Part Num
Parts List
.••.
Trimmer Solenoid Assembly
ber
D
escription
1.
2.
3.
4.
5.
6.
7.
8. 4
9.
10
.
11.
12
.
13.
14.
15.
4
2
2
2
2
2
4
1
1
2
1
2
1
1
85
2-7855
1-Q5074
1-050
1-706404
943864-
3-785580-
965889-02
1-
618484-14
1-
-01
8-15
748-30 Screw
-04
902
01
2-785581-02
1-051600-0 2
1-931658-19
3-785579-01
2-785581-01
1-703432-78
1-703477-59
Spring
Sc
rew
Nut,
Terminal
Hook
Retaining
Washer,
Actuator
Nut,
Lockwasher, External
Knife
Actuator
Screw,
Nut,
Hex
Jam
Lug
Actuator
Ring
Flat
Pin,
Hex
Actuator
Pin,
Adjustment
Hex
Elastic Stop
Hook
Knife
16
17.
18
19.
.
.
2
12
3
20.
21. 2
22. 2
23
. 4
24
.
25
.
26
. 6
2
6
27. 6
1
1
Scre
1-737983-09
1-931658-18
w
lockwasher,
1-737983-10 Screw
1-706404-07
2-788702-01
1-876368-24
1-785588-01
1-714894-15
785589-01
2-
1-140678
1-931
1-9
-05 Screw
658
-17 l ockwashe
31929-36
Nut,
Bracket with Screw
Screw
Switch
·Screw
Bracket, Sw
Washer, Flat
External
Hex Jam
itch
r, Externa
l
PL-14
Page 17
5
~~4
I
"-......
,,
X"<
I
~<32,33,34
I I
I
I
I I r"
31
24 22
~23
: I I
I I I
I I I
""'
12
4
Figure
5 .... Trimmer
Pl-15
Solenoid
Assembly
Page 18
Parts
List
Index
Quantity
28.
29
.
30. 2
31.
32. 1
33. 1
34. 1
35.
36.
37.
38. 1
1
5
1
1
8
8
Figure 5
Part Number
•...
0-411822-01
0-252325-12
1-887915-01
1-788612-01
2-788645-01
2-788645-03
2-788645-04
2-795463-01
1-703432-74
1-931868-15
1-888493-04
Trimmer
Solenoid Assembly (Cont'd)
Description
Lead,
Sleeving (For switches)
Connector, Solderless
Receptacle (Housing)
Lead
Lead
Lead
Solenoid, Assembly
Screw
Washer, Flat
Bushing, Strain Relief
Blue
·
with Pin, Black
with Pin, Green
with Pin,
Red
39.
1
40. 1
41.
42
. 1
1
43. 1
44.
1
1-783863-01
1-783860-01
0-362405-03
Cap
Plug, 8 Pin
Sleeving
0-460222-07 Cable
3-785582-01
3-785591-01
Base
Cover
(For
Plug)
PL-16
Page 19
Ports List
Figure 6 ..
Index
'
Quantity
Port
Number
1. 1 2-785792-01
2. 2
3.
1
4. 1
5.
6.
1
1
7. 2
1-703432-75
2-785790-01
1-706404-17
2-788608-02
1-788584-01
1-788630-01
8. 2 1-703473-42
9. 2
10.
11.
1
1 2-785797-02
1-706382-41
2-788936-01
. . Thread
Clomp
Screw
Tube
Nut,
Rod
Wire
Screw
Lo
Washer
Bolt,
Bushing
Wiper
Description
Hex
with
Hook
Tie
ckwosher
Shoulder
Assembly
12.
13. 1
14.
15.
16.
17.
18.
19.
20.
21.
1
4
1 2-788945-01 Fork
1 1-941406-04
5
1
1 3-788932-01
1
3
2-788934-01
1-
772969-12
1-706404-04
1-931868-15
1-789646-01
2-788609-01
1-931658-02
22. 1 1-772969-08
23
. 1
24
.
1
25. 1
26
.
1
1-772969-11
1-788713-01
943864-902
2-788940-01
Spring
Screw
Nut
Pin,
Cotter
Washer
Shaft
Cov
er
Coble
Lockwosher
Screw
Screw
Coble
Terminal Lug
Shaft
w/Pins
Clip
27. 2
1-965889-09
Ring, Retaining External
PL-17
Page 20
&-za
I
Figure 6 ....
Thread
Wiper
Assembly
PL-18
Page 21
Figure 6
....
Parts List
Thread
Wiper
Assembly
(Cont'd)
Index
28. 1
29.
30
.
31.
Quantity
1
1
1
Part
Number Description
2-788937-01
1-788979-01
1-706404-31
1-703473-32
32. 1 1-965889-03
33.
34.
35.
36
.
1
1
4 1-703432-77
4 1-931555-47
37. 2
38.
1
39. 1
40.
1
2-788949-01
2-788915-01
1-887915-01
1-788611-01
2-788933-01
795478-01
2-
Roller
Shaft
Nut,
Lock Washer
Ring, Retaining External
Lever with Bushing
Solenoid
Screw
Solderless
PI
Base
Base-
Hex
Lock Washer
Connector
ug (Housing)
(Used
on
281-61)
41
.
1
3-795477-Q1
Lever
(Used
on
281
-61)
Pl-19
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