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6550
User Manual
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User Manual
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Singer 6550 User Manual

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Page 1
R
S I N G E R
Model 6550
(Model 991C)
029190037(1版)
Page 2
Page 3
PageA Page A No. P a r t N o .

1 EJD6033210 Back cover 37 V60273006 Dial tension spring plate 73 E4C6013210 Sewing table body cover 2 V610155000 Thread guide complete 38 EAC7783210 Dial tension knob 74 E1A1863210 Cord reel cover

3
004230326*
4 E1A2065000 Bobbin winder thread guide complete 5
E1A2053001*

6 H13153001 Bobbin winder thread guide spring 7 H13133001 Bobbin winder spring disc 8 V610223001 Bobbin winder thread guide

9 E1A2353006 Spacer 45 H11103001 Dial tension guide spring tube 81 E4C0103210 Front cover

10 003010036 E-Ring (ETW-3) 11 004840106 Nut (ALN-4) 47 E1A1785000 Bobbin winder frame 83 E1A1883001 Arm top cover thread guide plate 12 E1A2043001 Thread guide

13 004240982 Set screw (M4) 14 V61253006 Arm top cover plate 50 EAC9273210 Feed regulator dial 86 E3A0113006 Zig zag width dial plate 15 004240106 Set screw (M4*8 A)

16 E1A1663210 Spool rod 17 004230655 Set screw (M3*1.06 B) 53 EAA0203003 Feed regulator set plate 89 E3A0143006 Zig zag width crank

18 V410123210 Plate 54 004230215 Set screw (M3*8.5) 90 E3A0153003 Zig zag width crank rod 19 E1A1763210 Handle 55 V61165000 Bobbin winder crank complete 91 F4A8764210 Zig zag width dial complete 20 004706013 Nut (9/64*40 t=3) 56 F20213000 Bobbin winder rubber pulley 92 V61503210 Plate (1) 21 E1A2393000 Bobbin winder stopper 57 V61563003 Bobbin winder crank spring 93 004300676 Washer (3.2*8*0.8)

22 E1A1673002 Arm back cover set plate 23 EAC7785210 Dial tension complete

24 E4C0033210 Dial tension supporter plate cover 60 E4C7193210 Face plate 96 008465000 Sticker 25 E1A2073000 Thread guide sprig

26
003020453*

27 V61873000 Thread guide 63 F30103000 Pattern display window 99 E1A1995000 Th r e a d c u t t e r c o m plete 28 E1A2183006 Dial tension supporter plate 64 E1A1623002 Arm front cover set plate 100 003010036 E-Ring (ETW-3) 29 003043010 Spring pin (ø3*10*0.6) 65 E3A0203210 Free arm base

30 E1A2113003 Dial tension waft plate 31

003010043*

32 J30423001 Dial tension disc (1) 33 E1A2333001 Dial tension disc

34 R10593000 Dial tension spring regulator 70 E1A1843000 Sewing table body felt 35 NB1083000 Dial tension spring 71 E4C6015210 Sewing table complete 36 K50193000 Dial tension regulator 72 E1A1823210 Sewing table body

Set screw (M3*12)
Bobbin winder thread guide adjusting
CS ring (CSTW-4.5)

E-Ring (ETW-4)

Description

No. P a r t N o .
39
004300713*
40
004500360*
41
004300643*
42 H10143005 Sewing table body guide spring 43
004240146*
44
004240176*
46 EAC9274210 Bobbin winder frame complete
48
003043006*
49 V61183000 Feed regulator gear
51
004300186*
52
003010046*
58
003011052*
59 H10133211 Sewing table body guide
61
004240782*
62 E1A2523000 Heat resistant plate
66
004240136*
67 E1A1753210 Free arm foot bush 68
004300136*
69
004230746*
Washer (5.2*10*0.2) Washer (WW-5) Washer (5.2*10*0.5)
Set screw (M4*15 B) Set screw (M4*6 D)
Spring pin (ø3*6*0.6)
Washer (6.2*12*0.5) E-Ring (ETW-4)
E-Ring (ETW-5)
Set screw (M4*10 B)
Set screw (M4*12 B)
Washer (4.2*8*0.8) Set screw (M3*12)

Description

No. P a r t N o .
75
004240046*
76
E1A6013210
77 E1A1723003 Motor drive belt cover frame 78
004241106*
79 E4A0053210 Selector dial 80 E1A1703210 Adjusting dial
82
004240306*
84 F4A8763210 Zig zag width dial 85
004900063
87
004240056*
88
004300076*
94 J31283000 Thread cutter 95
004106162*
97 E1A1993001 Thread cutter plate 9 8 004220012 S et s cre w ( M2* 4)
Set screw (M4*10 B) Motor drive belt cover
Set screw (M4*0.7A)L25
Set screw (M4*10 B)
Washer (6.2*12*2.0*0.15)
Set screw (M4*6 B) Washer (4.2*9*0.5)
Set screw (9/64*40*16)

Description

Page 4
B
Page 5
Page B Page B No. P a r t N o .
1 E1A2683001 Thread take up lever 2 E1A2653000 Thread take up lever supporter
3
003010036*
4 V60223003 Thread take up lever supporter shaft 5
E1A2313003
6
004240106*
7 E1A2663000 Arm shaft balance pin complete 8 E1A2213000 Arm shaft balance
9 004240223 Set screw (M4*6 C)
10
003043524*
11 003010093 E-Ring (ETW-9) 12 R10293000 Arm shaft bushing 13 E1A2623003 Arm shaft bushing holder plate 14 004400080 Endure attrition washer 15 R10313000 Arm shaft collar 16
004250203*
17 R10304000 Arm shaft collar complete 18 E1A0063000 Arm shaft worm
19 007163471 Motor drive belt 20 E1A2693000 Thread take up lever spring 21 E1A0083000 Motor drive belt
22 F4A0033000 Arm shaft sprocket 23 E1A0065000 Arm shaft worm complete 24
004300853*
25 E4A0143210 Arm shaft drive belt pulley 26 E1A0044000 Arm shaft
27
004107283*
28
003043018*
29 R10393000 Arm shaft clutch annulus spring 30 R10403000 Arm shaft collar 31 E1A0073210 Hand wheel
32
004300586*
33
004250346*
34 V16893210 Hand wheel decorated plate
E-Ring (ETW-3)
Thread take up lever supporter shaft plate Set screw (M4*8 A)
Arm shaft balance pin (ø3.5*24)
Set screw (M5*5 C)
Washer (10.2*15*0.5)
Spring pin (11/64*40*5) Spring pin (ø3*18)
Hand wheel washer (5.2*16*1.0) Set screw (M5*10)
Description
Page 6
C
Page 7
Page C Page C No. P a r t N o .
1 E1A0013000 Arm 37 E3A0253004 Needle plate 73 E1A1543006 Reverse lever 2 E1A1373003 BH selector plate 38 NB1293000 Needle plate cover 74 00424 0883 Reverse lever set screw (M4)
3 E1A1393003 BH slide plate 4
004300076*
5
003010036*
6
004300693*
7
E1A1413003
8 E1A2613002 Needle bar stopper plate 44 E1A0593002 Rotary hook plate 80 V61233003 Clutch rod 9 E1A1423000 BH select crank
10
004230036*
11 E1A1433003 BH select crank shaft 47 NB0533000 Needle bar 83 H10263000 Needle bar bracket (2) 12 E1A1283003 Zig zag width regulating cam plate
13
003011043*
14 E1A1333003 Zig zag width spring 15
004300713*
16 E1A1303002 Zig zag width regulating cam 52 E3A0013003 Needle bar driving rod 88 E1A2713000 Needle plate cover plate 17 E1A1323003 Zig zag regulator crank 53 E1A2433000 Needle bar driving rod pin 89 00 41030 81 Set screw (SM3/32*56 L=5)
18
004240633*
19 004840106 Set Nut (ALN-4) 20 E1A1343003 Rod 21
004240503*

22 E1A0243003 Movement plate supporter (1) 23 E1A0253003 Movement plate supporter 59 E1A0123000 Auto threaded lever 95 E1A0603002 Rotary hook plate (2) 24

003010036*
25 V620163210 Presser bar regulating screw 26 E1A0143000 Presser bar 27 E1A2493003 Presser bar spring
28 E1A0163003 Presser bar bracket 64 H10205000 Needle clamp complete 29 E1A2093003 Presser bar lifter lever shaft
30
003010053*
31 004240146 Set screw (M4*15 B) 67 0041 03011 Set screw 32 E1A0173000 Presser bar lifter lever 68 006176008 Needle (2020)14# 33 006910008 Shank complete 69 M70073002 Auto threaded stopper
34 004106211 Shank complete set screw 35 006918008 Zip zap presser foot complete 71 H10195000 Needle bar crank rod complete 36 E1A2323003 Presser bar bracket spring
Washer (4.2*9*0.5) E-Ring（ETW-3） Washer (4.2*12*1.2)
BH selector plate
Set screw (M3*6 B)
E-Ring (ETW-4)
Washer (5.2*10*0.2)
Set screw (M4*0.7 L12)
Set screw (M4*4 C)
E-Ring (ETW-3)
E-Ring (ETW-5)
Description
No. P a r t N o .
39
004240851*
40 NB0233000 Needle plate cover open 41 E1A2593000 Needle plate cover 42
004103072*
43 E1A0584000 Rotary hook plate complete
45
004240056*
46 E1A0103000 Needle bar supporter
48
003080052*
49 E1A1893000 Needle bar supporter pin 50
003010046*
51 V61243003 Clutch rod spring
54 E1A0113000 Auto threaded shaft 55
R12793003
56
003042014*
57 0030 42006 Spring pin (ø2*6 t=0.4) 58
004106202*
60
M70093000
61
E1A2125000
62 E1A0193003 Needle bar supporter plate 63
E1A0203003
65
R12573000
66 H10223000 Needle bar thread guide
70
004230016*
72 H50583003 Needle bar supporter spring
Set screw (M4*6)
Set screw (SM3/32*56 L=3)
Set screw (M4*6 B)
E-Ring (BETW-5)
E-Ring (ETW-4)
Auto threaded shaft spring Spring pin (ø2*14)

Set screw (9/64*40*7)

Auto threaded lever spring Auto threaded
Needle bar supporter plate pin
Needle guide plate
Set screw (M3*6 A)
Description
No. P a r t N o .
75 E1A1553003 Reverse rod 76 TA10723210 Reverse button
77 E1A2103003 BH cam plate 78 V61205003 Clutch rod complete 79 V61213003 Clutch rod plate

81 E1A2603000 Needle plate spring 82 H10253000 Needle bar bracket (1)

84 F4A3343000 Needle bar crank rod 85 0 0 42 4 05 0 3 Set screw (M4*4) 86 H10723003 Tension lever lifter spring 87 F4A3335000 Needle bar crank rod complete

90 E1A0165000 Presser bar bracket complete 9 1 E1A235000 Movement plat e supporter complete 92 00422 0 056 Set screw (M2*2.5) 93 F30883000 Rotary hook plate spring (1) 94 F30893000 Rotary hook plate spring (2)
Description
Page 8
D
Page 9
Page D Page D No. P a r t N o .

1 E4C0114000 Pattern cam contact complete 37 E4A0203000 Stretch stitch release 73 F4A3303003 Se lecto r dial p late 2 E1A0673003 Pattern cam contact plate (back)

3 E1A0653003 Pattern cam contact plate (front) 4 H11935000 Pattern cam shaft collar 5 E1A0683003 Pattern cam shaft 6
003010063*
7 F4A3033000 Pattern cam 8 E1A0833000 Straight stitch cam 44 E1A0853003 Zig zag cam contact supporter 80 H11943003 Pattern cam shaft collar complete
9 E1A0783000 BH cam 45 E4A0033003 BH Feed crank 81 E1A1234000 Selector dial plate complete
10
E1A0793002
11 E1A0813000 BH slide block B 47 E1A0973003 BH Feed crank spring 83 E1A1213006 Pattern selector plate 12 E1A0823003 BH contact spring plate 48 EAA0093003 BH adjusting crank 13 E1A0803000 BH slide block A 49 EAA0073003 SS cam contact supporter
14
E1A0723000
15 E1A0743002 BH clutch contact A 51 E1A0903003 Zig z ag r e lease plate 16 E1A0733000 BH clutch shaft 52 E1A0943003 Feed rock shaft
17
E1A0763002
18 E1A0753002 BH clutch contact B 19 E1A0773003 BH clutch spring plate 55 E1A1184000 Pattern gear plate complete 20 E1A0703000 SS cam
21
004300863*
22 EAA0033000 Feed regulator cam 58 E4C0053006 Washer 23
004230286*
24 E1A1003003 Pattern cam contact supporter shaft 25 EAA0183003 Pattern selector cam shaft 26 E4D1023000 Pattern selector cam
27 004240423 Set screw (M4) 63 E1A1113000 Adjusting shaft 28 E1A1033003 Pattern selector adjusting lever
29
004240046*
30
004240106*
31
E1A1053000

32 E1A1223003 Feed regulating crank spring 68 H70553003 Spring 33

E1A1043000
34 E1A1073006 Zig zag movement contact 35 E1A1083003 Movement plate 71 004300676* Washer (3.2*8*0.8) 36
004230016*
E-Ring (ETW-6)
BH contact
BH feed regulator cam
BH clutch lever
Washer (8.2*14*0.5)
Set screw (M3*8 B)
Set screw (M4*10 B) Set screw (M4*8 A) Zig zag cam
Pattern selector cam shaft
Set screw (M3*6 A)
Description
No. P a r t N o .
38
004240503*
39 E1A0893003 Zig zag release plate 40
004840106*
41
004240633*
42 E1A0843000 Zig zag cam contact supporter shaft 43
003010056*
46 EAA0063003 Zig zag cam contact
50 EAA0083003 SS cam contact
53 E1A0983003 BH adjusting plate 54 E1A0993003 Stretch stitch release plate
56
004240056*
57 E1A1203000 Pattern gear
59 003020043 CS ring (CSTW-4) 60
E4C0993210
61
003010036*
62
004300833*
64
003010043*

65 E1A1123003 BH adjusting hook holder 66 E1A1133003 BH adjusting rod 6 7 M70093000 A uto threa ded lever spring

69 EAA0023000 Stretch stitch selector cam 70
004241093*
72 F4A3113000 Selector gear
Set screw (M4*4 C)
Nut (ALN-4) Set screw (M4*0.7)
E-Ring (ETW-5)
Set screw (M4*6 B)
Pattern selector plate E-Ring (ETW-3)
Washer (6.6*14*0.25)
E-Ring (ETW-4)
Set screw (M4*0.7)
Description
No. P a r t N o .
74 E1A1243006 Sel e c tor dia l s h a ft 75
003042512*
76 004300833 Washer (6.6*14*0.25) 77 E1A1173000 Zig zag selector cam 78 004240046 Set screw (M4*10 B) 79 003070043 Quick (PSN-4)
82 004220106 Set screw (M2*0.2)
Spring pin (ø2.5*12)
Description
Page 10
E
Page 11
Page E Page E No. P a r t N o .
1 E1A1453006 BH lever plate 37 001251409 Foot controller (4C-316B202ZH) U.S.A. 2 E1A1533003 BH positioned plate 38 002425118 Switch ass’y 3 E1A1513000 BH movement crank 39 E1A2373000 Shield 4 004230433 Set screw (M3*3 C) 5 E1A1523003 BH positioned plate 6 004240056 Set screw (M4*6 B) 7 E1A1473003 BH lever crank 8 003010036 E-Ring (ETW-3)
9 E1A1483003 BH lever spring plate 10 E1A1493002 BH lever 11 E4A6003210 BH lever button
12 008059302 Cushion rubber 13 E1A1973210 Receptacle holder cover 14 002027129 Cord clip 15 004230286 Set screw (M3*8 B)
16 002252129 Receptacle holder 17 002253129 Receptacle (51-579033A)
18 002254129 Consent insulation plate 19 004230045 Set screw (M3*20 B) 20 004240106 Set screw (M4*8 A)
21 004830015 Nut (M3 t=2.3) 22 AA0463000 End termind 23 002396028 Belt wheel plate 24 002511418 Lamp holder complete (only for 120V)
25 005120021 Lamp (120V 10W E-12) 26 004230055 Set screw (M3*5 B) 27 001459409
28 004300966 Washer (4.2*8*2.5) 29 002503125 Motor bracket 30 004840051 Nut 31
002396029*
32 002145029 Motor feed regulator collar 33 003010036 E-Ring (ETW-3)
34 004300306 Washer (5.4*10*0.9) 35 004600296 Spring washer (5.2*9*1) 36 004250086 Set screw (M5*12)

Motor complete (for 120V)3M-782JS404ZH

Belt wheel
Description
No. P a r t N o .
Description
Page 12
F
Page 13
Page F Page F
No. P a r t N o .
1 NB0693000 Bobbin shaft oil cloth
2 E1A2033000 Bobbin shaft 38 E1A0443003 Feed rock crank pin (1) 74 H12883000 Steel ball
3 NB0673000 Bobbin shaft washer (2) 39 E4A0223002 Feed rock crank 75 NB0495000 Lower shaft gear plate
4
003010046*
5 NB1275000 Shuttle hook complete 41 004240633 Feed back crank screw 77 E1A0303000 Feed lifting rock cam
6 NB0643000 Magnet 42 E1A0345000 Belt adjusting plate complete 78 E1A0323000 Feed rock cam
7 NB1265000 Shuttle hook holder 43 E1A0353000 Belt adjusting plate 79 F30283003 Feed rock shaft collar
8 NB0683000 Bobbin shaft washer (3) 44 H12323000 Belt adjusting plate pulley 80 004230433 Set screw (M3*3 C)
9 E1A0563000 Needle plate cover 10
004230066*

11 E1A0463000 Feed crank shaft 47 E1A0474000 Fee d r e g ulatin g plate c o mplete 12 E1A0523000 Rotary hook holder 48 F30353000 Feed regulating

13 E1A0553000 Rotary hook holder positioned plate 14
004240056*
15 E1A0543000 Rotary hook supporter 16
004240033*
17
004240106*

18 K82133003 Base plate adjustment screw 54 E1A0503003 Feed r e g u l a t i n g c r a n k 19 H70043000 Free arm vase cushion rubber 55 E1A0493003 Feed crank 20 004840106 Adjusting nut (ALN-4) 56 E1A2503000 Free arm vase cushion rubber

21 E1A2343003 Feed regulating spring 22 E1A0373000 Feed rock shaft 58 E1A0283000 Lowe r s h a f t b u s hing

23 E1A0403003 Feed rock frame shaft (2) 59 NB0503000 Lower shaft gear 24

004240503*

25 E1A0423003 Feed rock frame shaft (1) 61 E1A0305000 Fee d l i f t i ng rock c a m comple te 26 E1A0383003 Feed rock bushing pin (1) 62 E1A0290000 Feed l i f t i n g r ock cam

27
003010043*
28
004300643*
29 E1A2023003 Feed shaft spring 65 E1A0325000 Feed rock cam complete 30 E1A2083210 Feed rock crank 66 E1A0273000 Lower shaft 31 F30323003 Feed rock crank pin 67 V11553003 Lower shaft collar
32
004240223*
33
003010036*
34 F30284000 Feed rock shaft collar complete 35 E1A0413000 Feed rock frame 71 E1A2573003 Base plate adjustment screw spring
36 E3A0033001 Feed dog 72 E1A0573210 Feed lifting shaft
E-Ring (ETW-4)
Set screw (M3*12)
Set screw (M4*6 B)
Set screw (M4*5 C) Set screw (M4*8 A)
Set screw (M4*4)
E-Ring (ETW-4) Washer (5.2*10*0.5)
Set screw (M4*6) E-Ring (ETW-3)
Description
No. P a r t N o .
37
004104012*
40 E1A0453003 Feed lifting rock crank (2)
45
004240585*
46 F30333000 Feed regulating block
49
004400570*
50 R11443000 Feed rock bushing 51
004300123*
52
003011052*
53 E1A0483003 Feed regulating shaft
57
004240046*
60
003010063*
63 E1A0333003 Lower shaft spring 64
004300936*
68 004400830 Endure attrition washer 69 E1A0313000 Lower shaft belt pulley 70
004230673*
Set screw (1/18*44*5)
Set screw (M4*8)
Endure attrition washer
Washer (6.7*12*1) E-Ring (ETW-5)
Set screw (M4*10 B)
E-Ring (ETW-6)
Washer (8.2*12*0.5)

Set screw (M3*14.5)

Description
No. P a r t N o .
73 E1A1873003 Spring
76 V11564000 Lower shaft collar complete
Description
Page 14
G
R
E
G
N
I
S
Page 15
Page G Page G No. P a r t N o .
1 006900008 Hemmer foot (K)
2 006918008 Zig zag foot (C)
3 006914008 Button sew on foot
4 006907008 Overcastting foot (E)
5 006904008 Blind hem foot (F)
6 006905008 Zipper foot (I)
7 006171008 Buttonhole foot (D)
8 006008001 Quilting bar
9 006051009 Anti-rusty 10
006052009 Drier
11 006011009 Accessories bag 12 006099008 Brush & Seam ripper complete 13 006013009 Oilier 14 006012008 Large & small screw drive 15 006175008 Needle (14#.16#.11#) 16 006015009 Felt cushion 17 006066008 Bobbin
18 TA10943209 Spool set plate (small) 19 R12373210 Spool set plate (big)
20 006093009 L-screwdriver
Description
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