Singer 990B2, 990B5 User Manual
SINGER
990B3,B4
Parts
List
SINGER
~
. · , . ,
~ > -~
'•
. · ·
·:-,
·
~"~''.:·~r:o!·~:.,:;:c':"''.''
45
Parts List
Ref.
No'.
I
for
990B3
Part No.
Machine
Desc;iption
Machine Frame
Driving
Note:
Therefore
from
become damaged. However
Clamping
Screws No.
171
(830) and the
supplied and
mating
2
3
4
5
6
7
~~------------~-~~-~~~---
8 50379 (806)
-=-----~·~'------'--------,-·
9
106477
106475
164053
106478
106473
164046
164202
10 460 (830)
11
1324 (803)
Looper
Looper
Looper
Looper
Looper
Looper
Looper
Looper
Looper
Looper
12 59456 Looper
13
14
15
164660
1083 (803)
164661
Looper
Looper
Looper
1324
16
17
18
19
20 87027
21
22
23 1700 (809)
24
~----------'--~~~~~
25
106477
106491
164053
106492
101970
164068
109927 (869)
106495
Looper
Looper
Looper
Looper
Looper
Looper
Looper (right hand) Lock Screw Stud
Looper
Looper
Looper (right hand) Four-Bar Linkage Mechanism
Note:
Therefore
from
become damaged.
26
27
1083 (803)
114075
Looper
Looper
Sleeve
28
29
30
31
109795
106494
106496
106498
(803)
Looper (right hand) Carrier Connecting
Looper
Looper
Looper
Stabiliser
32
33
350680
11403~6----~L-o-o~pe-r----:(r~ig~h-t~h-a_n_d~)~F~o-u-r~-B~a-r~L~in~k-a~g-e~M~e-c~h-a-n~is_m
Looper (right hand) Four-Bar Linkage Mechanism Stabiliser Screw
Stabiliser Securing Screw
34
------------
106497
---------------
Looper (right hand) Four-Bar Linkage Mechanism Stabiliser
106496
Rotary
Shaft
with
Looper
(left
and
right
Shafts Crank Connections.
The major components
only
a complete replacement mechanism
Clydebank
Factory
Screw No.
114092,
(830),
Crank Connections Cap Screws (Lower) No.
Rotary
fitted
as
of
the major components.
(left
hand) Driving
(left
hand) Driving Shaft
(left
hand) Driving Shaft
(left
hand) Driving
(left
hand)
(left hand) Carrier
(left
(left
(left
(left
(left
(left
(left
(left
------
hand) Set Screw
hand) Stop
hand) Carrier Set Screw
hand) Carrier Screw
hand) Carrier Washer
hand) Carrier
hand) Carrier
hand) Carrier
(803),
59456
and
of
this
mechanism are selectively mated.
should any
114091,
the
the
of
Needle
Looper
the
major
Driving
Shafts Crank Clamping
the Crank Connections Cap Screws (Upper) No.
Shaft
Oil
Metering Pin No.
replacements
Shaft
Shaft
with
460
-·---
,_
without
Bushing (back)
Thrust
Washer
Bushing
(front)
(830) and
disturbing the selective
50379
(806)
---------------
Pin----:=-----------------------
------------------------
~-~~~~~~-------------------
Holder
with
1083 (803)
Holder
Clamping Screw
Holder
164046
164660
with
(right hand) Driving Shaft Bushing (back)
(right hand) Driving
(right hand) Driving
(right hand) Driving
Shaft
Shaft
Shaft
Crank
Bushing
Thrust
(front)
Washer
(right hand)
(right hand) Position Collar
(right
hand) Lock Screw Stud
(right hand) Carrier Connecting
The major components
only
a complete replacement mechanism
Clydebank Factory should any
(right
hand) Driving Lever Clamping Screw
( right hand) Carrier
Cap
Screw (back)
(right hand) Driving
Co_n_n_e_c_t-:-i
Shaft
of
this
Oil Wick
Nut
Link
mechanism
of
n-g---c-L-:-i
n-':k--::A-d77j-us-t-:-i
Link
Hinge Pin Set Screw
are
selectively mated.
the major components
n_g
____________
Adjusting
(right hand) Four-Bar Linkage Mechanism Stabiliser
(right hand) Four-Bar Linkage Mechanism
Support
Bracket
______________
~~-----------
with
106498
and
two
---------------------------
350680
hand)
will
be
components
Shaft
107037
will
be
Screw
(front)
and
Needle
supplied
Crank
140159
can
be
supplied
Amt.·
Re
2
2
2
.
_
__
·,
,:
('
46
'·
~.~
~
u -
: I I
~---------------
~,
I
47
Parts List
for
990B3 Machine
Ref. No.
1 1231 (818)
_.:_
____
2
3
4
5
6
7
8 140346 (830)
9
10 1389 (830)
11
12 1718
13
14
_:__:__
____
15
16
17
18
19
20
21
22
23
24
25
26
27
28
-----··
29
----
30
31
32
33
34
35
36
37
38
39
40
41
42
______
43
44
45
Part No.
For
Ordering
.:.::.::::..:._~~--....:~:=:=~:-:-~i:-:-i~-=:-=~=-'~-=::..:~:..::c....~::-:-:::-:~::-c~'":"::=-=:':-~:-~:::~.;:_:::.;~~~;-:;--c~~-'"~c:..;~:-Sc:...:..:.r.::..ew.:..;___
107176
1209 (830)
175032
107115
1443(813)
81202
107028
107162
(803)
9525
107160
~~~----~F::::ee-:.::d::.c(front)
106442
164004
164687
164009
164010
1454 (806) Feed (back) Dog Screw
106444
113177
106445-014
1718 (803)
9525
(803)
106447
164018
106445.014
164006
164009
164010
---'--'"c__:_-::'~------'-F--=e=-=e.:::.d_.(ce_fr'-'o:.:.nc.:.t)
1454 (809)
164019
165135
106448 Feed (back) and
51369
106450
114071
106449
107172
227 (809)
1250
__-'-..::__
_____
1700 (819)
141575 Feed Eccentric Cover Positioning Screw
107185
____
Description
_____________
Feed Bar Guide Screw 2
Feed Bar Guide
Feed Bar Guide
Feed Eccentric Oil Cover Screw
Feed Eccentric Oil Cover
Machine Frame Oil Plug Bracket
Machine Frame Oil Plug Bracket
Feed Bar Hinge Piri Set Screw
Feed Bar Hinge
Feed
(front)
Feed
(front)
Feed
(front)
Feed Bar Slide Block (back)
Feed (back) Bar
Feed (back) Bar Connection Hinge Screw Stud
Feed (back) Bar Connection Hinge Screw Stud Position Pin
Feed (back) Dog
Machine Frame Rotary Shaft
Feed
(back) Eccentric ( 14 stitches to the inch)
Note: Eccentrics
alternatives.
Feed (back) Bar
Feed (back) Bar Connection Hinge Screw Stud
Feed (back) Bar
Feed (back) Bar Connection Bearing
Feed
(front)
Note: Eccentrics
alternatives.
Feed
(front)
Feed
(front)
Feed
(front)
Feed
(front) Dog
Feed
Bar Slide Block
164006, 164018,
1 64004 and 164009
Feed Eccentric
Feed Eccentric Cover Hinge Bracket
Feed
Eccentric Cover Hinge Screw
Feed Eccentric Cover
Feed Eccentric Cover Latch Spring
Feed
Eccentric Cover Latch Spring Screw
F_ee_d_E_c~centric
Feed Eccentric
Feed
Lifting
Screw Washer 2
Set
Screw
Pin (eccentric)
Bar Connection Hinge Screw Stud
Bar Connection Hinge Screw Stud
Bar Connection Bearing
Bar Connection
Nut
for 6 to
Connection Hinge Screw Stud
Connection
Eccentric
for 6 to
Bar
Bar Connection Hinge Screw Stud
Bar Connection Hinge Screw Stud PositiO[l
Dog Screw
(front)
(front)
164687, 165135,
Cover Hinge Bracket Screw
Cover Latch Spring Retaining Screw Stud
Cover Positioning Screw Lock
Eccentric
36 stitches per inch
36 stitches per inch
Bars
complete,
two
Nos.
Nut
Nut
Washer
are
available
Nut
Nut
Washer
are
available
Pin.-'-----------
106442, 106447, 107160,
each
1718 (803), 9525 (803),
Nut
as
as
Amt.
Reg.
2
__
2
2
. ;
__
:~~:;;:El_~~~~;~f~z.P'
48
49
Parts List
for
990B3
Machine
Ref. No. Part No.
For
Ordering
·1
07161 Presser Bar
2 1143 (830)
~3~------~1~0~6~4~6~6
---'4
________
5
___:_1.:::0.:._7~57:._5--___
141292
______
______
(869)
6 1259
7
8
9
10
11
12
-'-1~3~--------'-1~0.:._7.::::5.:...7
14
______
15
87029
87262
447
(830)
624 (830)
107192
107628
.:::..6
______
.:..:16::..=28
(809)
107188
16 107191
17
___________
18 447 (830)
~----------'-~~~~-----~~~~__:
19
20
21
----------~--------------
22
23
24
~--------~~~~------~~~
25
26
27
________
106455
....:....:______________
106464
106454
114072
106132
198 (819)
164550
165487
-------------
106452
~1=-62=-8=----'(8=--19)
28 50611 (803)
29
30
31
------·---
32
33
34
-----------
35
_3_6
_______ ~ 1_4_6 _ __ _ _____
37
______
38
39
164745
141444
(831)
164043
164525
165062
164728
--------
164~4~----
11403:ZJ§03)_
165063
165064
_________
40
_4_1
42
43
-------
44
_______
141004
1_0(3_47L
114130
106471
f13176--
(830)
-~~~---
Description
Bracket
Knife
(moveable) Lever Hinge Stud Set Screw
~K~n~i~fe~(m~o_ve~a~b~le~)
_:_K.:.:.n:..:..if'-"e:.._('-'-m-'o=-v'--'e=-=ac::bcc.:le'-")---'L=-e'-'ver
Knife
(moveable) Lever Hinge Pin Set Screw
Knife
(moveable) Lever Bearing and
Knife
(moveable) Lever Bearing and
Knife
(moveable) Lever Bearing and
Knife
(moveable) Lever Bearing and
Knife
(moveable) Lever Bearing and
Knife
(moveable)
Knife
(moveable)
--...:.K..:.:._n
i fe ( m ovea b I
Knife
(moveable) Lever Hinge Pin Bearing Lock
Knife
(moveable) Lever Hinge Pin
Knife
(moveable)
Knife
(moveable) Lever
--------
107161,107188
Knife
(moveable) Lever Guide Set Screw
Knife
(moveable) Lever Guide
Knife
(moveable)
Knife
(moveable)
Knife
(moveable)
Knife
(moveable)
Knife
(moveable)
Knife
(moveable) Guard (upper)
Knife
(moveable) Guard (lower)
Knife
(moveable)
Knife
(stationary)
Knife
(stationary)
Knife
(stationary)
Knife
(stationary) and Needle Guard
Knife
(stationary)
Knife
(stationary)
Knife
(stationary)
Knife
.i_stati_onary)_
K_n_i
!e ( stationary)
_Knife
___
(sta~ionary_Lc=_la_mping
Knife
(stationary)
Nos.
141444
Knife
(stationary)
N:..:.oc...:.s_.
3.:...1_4~6,
Knife
(stationary)
Knife__(s_t_at_iunary)
Knife
(stationary)
Knife
(stationary)
__
Le_v_e~r_H_i~ng_~e~S~t~ud~·~-----------------------------------
with
two
141292
Lifti["l[_L~ver
Lifting
e)
Lifting
Lifting
107575
and
Holder
Holder
Retaining Washer and Oii
Lever Needle Bearing
Lever
Lever Retaining Washer
with
107576
--------------------
Adjusting
-~--~~------------------------------------
Screw Stud
Stud
Holder
Holder
~~--------------------------------------------------
Holder
Screw
-------------------------------------------
Screw Stud
and Needle Guard
and Needle Guard
and Needle Guard
and Needle Guard
and Needle Guard
__:..._:...__ ____________________________________ _
Clampin2_~
Ciampi
ng_G_i_b_S_c_r_ew
G_i_~_
Screw
and Needle Guard
(831),
164745
and
and Needle Guard
114032
(803),
an_~
Needle Guard
164744
and Needle Guard
and Needle Guard
and Needle Guard
Knrfe (statronary) and Needle Guard
(869)
Attachment
Attachment
Attachment
Attachment
Attachment
Bracket Screw
Bracket
Bracket
Bracket Set Screw (long)
Bracket Set Screw (short)
Nut
1628
(809),
106466,
Block
Nut
Holder
Position Screw
Holder
Holder
Holder
Holder
-----------------------------
Body
with
Screw
Spring
~~-----------------------
Spring Stud
Holder
__
W_a_s_h_e_r
Holder
1650~----
Holder
and
Holder
Holder
Holder
Holder
Holder
______________________
(adjustable) complete,
·-~---------
with
Gib complete,
165063
Locking Screw
Sleeve
Stud Set
Stud
Stud Lock
87029
with
__
S_Ii_n->..g
________________
two
50611 (803)
·----------------------
Screw
Nut
Amt
Req.
2
1259
_
2
__
---··---
50
0
el
~0
0
n
51
Parts List
for
990B3 Machine
Ref. No. Part No.
For
Ordering
1
2
107045
448
(830)
3 107036
4
896
5 114077
6
7 140416 Machine Pulley
8 164100 Machine Frame Rotary Shaft
9
10 164098 Machine Frame
11
12
13
14 51369
15 107035 Machine Frame Rotary Shaft Bushing (front)
16
17 448 (830) Oil Pump Body
18 107061 Oil Pump Body
19
20~~~~-1_0_7-065
21
22 107067 0 i I Pump Rotor (outer)
23
24
25
107046
139026 Machine Frame Rotary Shaft Ball Bearing
107177 Machine Frame Rotary Shaft Ball Bearing Retaining Ring
107034 Machine Frame Rotary Shaft Ball Bearing Housing Gasket
107033 Machine Frame Rotary Shaft Ball Bearing Housing
(803) Machine Frame Rotary Shaft Ball Bearing Housing Screw
1036 (830) Machine Frame Rotary Shaft Bushing
35064_7
107066 Oil Pump Rotor (inner)
107064
1083 (805)
108066
__
Description
Machine Pulley
Machine Pulley Set Screw
Machine Frame
Machine Frame Rotary
Machine Frame
Machine Pulley
~~-
_Qil
Pump Body Clamping Screw
Oil Pump Drive Pin
Note:
Nos~
Oil Pump Cover
Oil Pump Cover Screw
Oil Pump complete Nos., 1083 (805), 107061, 107064 107065,
1 07066
with
896,107036 and
Rotary
Rotary
Cap
Cap
Rotary
Set
with
107066 and 107067 must
and
107067
Shaft Counterbalance
Shaft Counterbalance
Shaft Screw Stud
Screw
Thrust
Shaft Oil Return and Ball Bearing
Screw
448 (830)
-~~~~~~~~~~~--~------~~----~~--
two
448 (830)
Bearing
(front)
be
ordered
Set
Screw
Set Screw
as a set.
Grease
Amt.
Req.
2
Retainer
4
52
~~
~~~
0
_.\
o
/l}o
®@~~~::v
~0
~
~H
~
e
r:;·
~
(7\\
-
@1
®
o
~
~
0
()
®'
~e
.
,.
0
..
·,· .
53
Parts List
for
990B3
Machine
Ref. No.
Part No. Description
For Ordering
114083
2
3
4
5
6
7
8
9
10
11
164416
107080
50073
106456
114082
42436
107081
164143
51362 (830)
140510 (819)
12 164351
13
14
15 82330
---~-
16
17
18
19
20
21
164139
1700 (819)
164141
462
106144
51846
624
107083
107082
164146
164147
50225 (809)
164149
50169 (809)
22
23
24
25
26
27
1094 (806)
107103
165055
853
81433
1454
28 82281
·--~--~----
460
106457
29
---,---~--
-----
-------
(809)
(830)
(830)
(830)
(805)
~
""~
Pressure Regulating
Presser Bar
Note:
(Upright)
Presser
alternative
Bar
Presser
Knife
Knife
Lifting
(moveable) Lever and
(moveable) Lever and
Thumb
Screw
Spring (Heavy)
Bar (upright) Spring No.
to
No. 164416.
Lever
Presser
Bar
Presser
Bar
~'
164144
(upright)
(upright)
Presser Bar (swing-out) Opening Lever Hinge Screw
Presser Bar (swing,out) Opening Lever Hinge Screw Washer
Presser
Bar (swing:out) Opening
Leve_r
~-
Presser Bar (upright)
Presser Bar (swing-out) Pivot Screw Locking Plate Screw
Presser Bar (swing-out) Pivot Screw
Presser Bar (swing-out) Pivot Screw Locking Plate
Presser Bar
Presser
Presser
Presser
Presser
Presser
Presser
Presser
Presser
Lifting
Bar (swing-out)
Lever Spring
Lifting
Bar (swing-out)
Bar (swing-out)
Bar
Lifting
Bar
Lifting
Bar
Lifting
Bar
Lifting
Foot
complete, Nos. 50169 (809),
Lifting
Bracket
Bracket
Set
with
Bracket Roller and Stud
Bracket
Set
Screw Stud
Screw Stud
Screw (short)
462 (830),
Screw (long)
Nut
624
50225
1 64 146, 1 64 14 7 and 1 64 149
Presser
Presser
Presser
Presser
Presser
Presser
Throat
Throat
Foot
Bodv
Foot
Chaining-off Finger
Foot
Clamping Plate
Foot
Clamping Plate Screw
Foot
Guide
Foot
Guide Screw
Plate Screw
Plate
Looper (left hand) Thread Tube (lower)
Looper
Throat
Throat
(left
hand) Thread Tube (lower) Set Screw
Plate Guide
Plate Guide Screw
with
853 8 0
..
Thread Eyelet (needle thread)
Thread Eyelet (needle thread)
K_nife
(movea-ble) lever
Nos.
42436,82281,106144,106456,107080,107081,114082,114083,
164139,164143
__
and 164416
and
Set
Presser
Screw
Bar (upright) Housing complete
can
be
supplied
Housing Screw
Housing
with
460
(830) and 51846
(809) 107082,
a_s..;:.a_n
____
Amt.
Req.
_:_
2
2
·-',,-.
54
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