Brother S-7100A Manual

	S-7100A
		PARTS BOOK

SINGLE NEEDLE DIRECT DRIVE STRAIGHT LOCK STITCHER WITH THREAD TRIMMER

Parts Navigation	http://partsbook.brother.co.jp/partsnavi/jpn/
The latest parts information, refer to the Parts Navigation.	http://partsbook.brother.co.jp/partsnavi/eng/

SS-6200DD-7100A-- 00

3.

3A.

5.

3.

4.

Description of model plate

SS-6200DD-7100A-- 00

3. Light-weight and Medium-weight materials

3A. Medium-weight materials

5. Heavy-weight materials

3. Quick Reverse

4. Quick Reverse + Thread Wiper

1.2015 4

4.REF.NO “ ”

A. ..........................................................................			1
B. ..............................................................			3
C. ...........................................................................			7
D. ...........................................................................		.	9
E. ......................................................................			13
F. ..........................................................................			15
G. ...........................................................................			17
H. ................................................................		.	19
J. ......................................................................		.	21
K. ..........................................................................			23
L. ......................................................................		.	25
M. .....................................................................		.	27
N. -40[] ..........			29
P1.	..........................................		31
P2.	..........................................		33
Q. ..........................................................			35
R. .....................................................................			37
S. ........................................			39
Z. .....................................................................			41
Wa. .......................................................................			43
Ga. .......................................................		.	45
	....................................................................................		46

Notes for using this parts book

1.This book was prepared based on information available in April 2015.

2.Parts are subject to changes in design without prior notice.

3.Parts supplied as complete assemblies are circled by a dotted line.

4.The part which has the symbol "+" on its number (REF.NO) in the figure differs depending on the specification. For details, refer to the parts list.

	CONTENTS
A. Machine body ..............................................................		1
B. Needle bar and thread take-up mechanism ................		3
C. Presser foot mechanism .............................................		7
D. Feed mechanism ........................................................		9
E. Knee lifter mechanism ................................................		13
F. Quick reverse mechanism ..........................................		15
G. Rotary hook mechanism .............................................		17
H. Lubrication ..................................................................		19
J. Threading mechanism ................................................		21
K. Bobbin winder mechanism ..........................................		23
L. Thread trimmer mechanism ........................................		25
M. Tension release mechanism .......................................		27
N. Thread wiper mechanism (-40[] or option parts) .........		29
P1.	Control box ..................................................................	31
P2.	Control box ..................................................................	33
Q. Quick reverse switch mechanism ...............................		35
R. Power supply equipment .............................................		37
S. Motor mechanism and operation panel .......................		39
Z. Accessories .................................................................		41
Wa. Warning labels ............................................................		43
Ga. Gauge parts list ...........................................................		45
	Index ...........................................................................	46

A./ Machine body

		6
		4
			5		11
		8		7
	15	7				10
						21
	16	17				14
19
						20
					22
	18
13					9
12
		1			23
				1	22	3
					2
					S-7100A-050
1

A. / Machine body

REF.NO	CODE	Q'TY		NAME OF PARTS	RM
1	SB6598001	2	L	STAND L
2	SB3441101	1	R	STAND R
3	062061016	2	6X10	SCREW PAN M6X10
4	SB3433001	1		SIDE PLATE
5	SB3434001	1		REAR COVER PACKING
6	062501216	7	5X12	SCREW PAN M5X12
7	104449001	2	15.5	RUBBER CAP, 15.5
8	104450101	3	8	RUBBER CAP, 8
9	108520001	1	19.8	RUBBER CAP, 19.8
10	SB3986001	1	17.9	RUBBER CAP 17.9
11	SB3442001	1	37.8	RUBBER CAP 37.8
12	SB3850001	1		RULER PLATE
13	062400616	1	4X6	SCREW PAN M4X6
14	104450101	2	8	RUBBER CAP, 8
15	SB3435001	1		FACE PLATE ASSY
16	SB3436001	1		FACE PLATE
17	SB3437001	1		FACE PLATE PACKING
18	104449001	2	15.5	RUBBER CAP, 15.5
19	062671212	3	357-40X12	SCREW PAN SM3.57-40X12
20	SA9826001	1		LABEL CAUTION
21	S37060001	1	- -	LABEL, GROUNDING
22	SA9957001	2	- -	INJURY MARK
23	SA9957002	1	- -	INJURY MARK

S-7100A-050

2

B.	/ Needle bar and thread take-up mechanism
1+			13	13	7
9	9					8
11					13
		2+	12	1315
10		9				40
		29	27
					28 29	40
						39
			14	26
				25	25	30
		4+	23	18	20
									35
					19			34+
	22 21
					20	6+
				24				37
							38		36
		17			3+
	16						5+
				32
						33	31
						41+
								S-7100A-101
3

B. / Needle bar and thread take-up mechanism

REF.NO	CODE	Q'TY																														NAME OF PARTS	RM
			<- 03 >																													<For -[]03>
1+	SB5899001	1																														UPPER SHAFT ASSY
2+	SB3447001	1																														THREAD TAKE-UP CRANK ASSY
3+	SB3770001	1																														NEEDLE BAR CONNECTING ROD UNIT
4+	SB3771001	1																														NEEDLE BAR CONNECTING ROD ASSY
5+	SB3783001	1	D																													NEEDLE BAR BUSH D
6+	SB3912001	1	DB <DB >																													NEEDLE BAR DB <FOR DB NEEDLE>
6+	SB4084001	1	DP <DP >																													NEEDLE BAR DP <FOR DP NEEDLE>
			<- 05 -																		03 >											<For -[]05, -[]03A>
1+	SB5900001	1																														UPPER SHAFT ASSY
2+	SB4039001	1																														THREAD TAKE-UP CRANK ASSY
3+	SB3777001	1																														NEEDLE BAR CONNECTING ROD UNIT
4+	SB3778001	1																														NEEDLE BAR CONNECTING ROD ASSY
5+	SB3784001	1	D																													NEEDLE BAR BUSH D
6+	SB3913001	1																														NEEDLE BAR
7	SB5898001	1																														UPPER SHAFT
8	SB2407001	1	6.4																													RUBBER CAP 6.4
9	014770632	3	635-40X6																													SET SCREW SOCKET SM6.35-40X6
10	SB3769001	1	7.14																													SCREW SM7.14-28
11	014771032	1	635-40X10																													SET SCREW SOCKET SM6.35-40X10
12	SB3449001	1																														BOBBIN WINDER DRIVING WHEEL
13	014771032	4	635-40X10																													SET SCREW SOCKET SM6.35-40X10
14	SA8145001	1																														WASHER
15	SB4492001	1																														UPPER SHAFT WHEEL
16	140004001	1	3.57																													SCREW, SM3.57-40X7
17	SA2422001	1	3.57L																													SCREW, SM3.57L
18	SB3775001	1																														THREAD TAKE-UP SUPPORT SHAFT
19	SB3776001	1	-																													SET SCREW COLLAR
20	012400536	2	4X5																													SET SCREW SOCKET (FT) M4X5
21	SA2161001	1																														WASHER
22	048060342	1	E6																													RETAINING RING E6
23	S32958000	1																														WICK
24	SA8436001	1																														FELT
25	012060636	2	6X6																													SET SCREW SOCKET (FT) M6X6
26	SB3851201	1	M																													UPPER SHAFT BUSH M ASSY
27	SB3455201	1	M																													UPPER SHAFT BUSH M
28	142274101	1	4.2																													RUBBER CAP, 4.2
29	101487000	2	-																													OIL SEAL
30	SB3782001	1	U																													NEEDLE BAR BUSH U
31	140553102	1	3.18																													SET SCREW, SM3.18
32	SB3458001	1																														NEEDLE BAR GUIDE SLIDE BLOCK
33	151594001	1																														NEEDL BAR THREAD GUIDE
			<-												03 >																	<For -[]03>
34+	111859301	1	E18																													NEEDLE PLATE E18
			<-											03 -																	03 >	<For -[]03 Europe, -[]03A>
34+	145971101	1	B18																													NEEDLE PLATE B18
			<-										05									>										<For -[]05 except Japan>
34+	150792101	1	H26																													NEEDLE PLATE H26
			<-										05																			<For -[]05 Japan>
																			>
34+	147245101	1	B26																													NEEDLE PLATE B26
35	SB4190001	2	4.37																													SCREW FLAT SM4.37-40X8
36	180018151	1																														SLIDE PLATE ASSY
37	114561001	1																														SPRING, PLATE
38	SA9523001	2	2.38																													SCREW SM2.38
39	SB3977001	1																														JOINT ASSY
40	S23651001	4	6X6																													SET SCREW SOCKET (FT) M6X6

S-7100A-101

4

B.	/ Needle bar and thread take-up mechanism
1+			13	13	7
9	9					8
11					13
		2+	12	1315
10		9				40
		29	27
					28 29	40
						39
			14	26
				25	25	30
		4+	23	18	20
									35
					19			34+
	22 21
					20	6+
				24				37
							38		36
		17			3+
	16						5+
				32
						33	31
						41+
								S-7100A-101
5

B. / Needle bar and thread take-up mechanism

REF.NO CODE	Q'TY		NAME OF PARTS	RM
		<- - >	<For -[]03, -[]03A>
41+	1 DBX1…(#11)		NEEDLE DBX1…(#11)
41+	1 DBX1…(#14)		NEEDLE DBX1…(#14)
41+	1 DPX5…(#11)		NEEDLE DPX5…(#11)
		<- 5 >	<For -[]05>
41+	1 DBX1…(#22)		NEEDLE DBX1…(#22)
41+	1 DPX5…(#22)		NEEDLE DPX5…(#22)

S-7100A-101

6

C./ Presser foot mechanism

						24
						25
				22	20	21 23
				20
			16	19
			20
		15	14
		27
			13
		26	28
		3	12
			18 17
		4		18
			5
		1
		29	6
	30
		2
			7+	8+
10	11	9	10
						S-7100A-201
7

C. / Presser foot mechanism

REF.NO	CODE	Q'TY		NAME OF PARTS	RM
1	111466121	1		PRESSER BAR
2	SB3785001	1		PRESSER BAR BUSH
3	SB2267002	1		PESSER ADJUSTING SCREW ASSY
4	SB3786001	1		SPRING GUIDE
5	141728001	1		PRESSER BAR SPRING
6	140407021	1		WASHER
			< >	<Finger guard screwed type>
			<- 03 - 03 >	<For -[]03, -[]03A>
7+	153037201	1		PRESSER FOOT ASSY
			<- 05 >	<For -[]05 except Japan>
7+	150789101	1		PRESSER FOOT ASSY
			<- 05 >	<For -[]05 Japan>
7+	145157101	1		PRESSER FOOT ASSY
9	150384101	1	- -	FINGER GUARD
11	025350132	1	3.5	WASHER PLAIN S 3.5
			< >	<Finger guard integral type>
			<- 03 - 03 >	<For -[]03, -[]03A>
8+	S36902001	1		PRESSER FOOT ASSY W/F-G
			<- 05 >	<For -[]05>
8+	S36903001	1		PRESSER FOOT ASSY W/F-G
10	S13385001	1	3.57X10	SCREW, SM3.57-40X10
12	145580001	1	-	LIFTER LEVER P-BAR
13	109763022	1		WASHER
14	SA8152001	1	-	PRESSER BAR LIFTER SHAFT
15	012500536	1	5X5	SET SCREW SOCKET (FT) M5X5
16	S02546402	1		TENSION RELEASE PLATE
17	S46736001	1	-	W-CLAMP LIFTER LEVER SPRING
18	048040342	2	E4	RETAINING RING E4
19	SB3463001	1		KNEE LIFTER CONNECTING ROD
20	SB3878001	3	4.76	SHOULDER SCREW SOCKET SM4.76
21	SB3461001	1	-	KNEE LIFTER LEVER
22	145480121	1	6.35	SHOULDER SCREW, SM6.35
23	SB3460001	1		KNEE LIFTER BAR
24	SB4016001	1	6	ADJUSTING SCREW 6
25	021060306	1	3 6	NUT 3 M6
26	S31006002	1		LIFTING LEVER
27	S39051001	1	35X12	SCREW, PAN (S/P W) M3.5X12
28	S31952021	1		PRESSER BAR LIFTER CRANK
29	SB4285001	1		PRESSER BAR GUIDE BRACKET
30	142403001	1	5.95	BOLT, (CP) SM5.95-28X10

S-7100A-201

8

D./ Feed mechanism

																		1+
														11	12							9	10
										38												17
39	33	37		34	35		36							80					5		8
																						18
								25			40	78
					56
							55	42													19		20
83
3+					2		3			43				13					14	15	31	30
				7	1	4					41						15
							6															32			82
					2+													16		16			54	81
							29
														26					28
							32						27								53
																		47	52
																49 48
														50									45
											46								51
																21	23
																					44
							62		57									24
		59 85 58			66									61
																	22
													60
									68
							63
								64	67	70
							65
											69+
							71								79			75
		73	86 72									76	77				74
								4
					84
																							S-7100A-202
9

D. / Feed mechanism

REF.NO	CODE	Q'TY										NAME OF PARTS	RM
			<-				03 >					<For -[]03>
1+	SB3465001	1	3									ECCENTRIC WHEEL W/S 3
2+	SB3472001	1										STITCH LENGTH DIAL ASSY 3
3+	S02558201	1										EXTENSION SPRING
			<- 03 -								05 >	<For -[]03A, -[]05>
1+	SB3467001	1	5									ECCENTRIC WHEEL W/S 5
2+	SB3475001	1										STITCH LENGTH DIAL ASSY 5
3+	S03818101	1	H									EXTENSION SPRING, H
4	180322021	1										FEED LIFTING ARM ASSY
5	014771032	2	635-40X10									SET SCREW SOCKET SM6.35-40X10
6	SA4494001	1	4.76									SCREW SM4.76
7	108549001	1	O									O RING
8	S02554021	1										LEVEL FEED CONNECTING ROD
9	156948021	1										HOLDER
10	108960002	2	3.57									SCREW, FLAT SM3.57
11	SB3469001	1	C21									RETAINING RING EXTERNAL C21
12	SB2314001	1	-21.5X31.5									WASHER 21.5X31.5
13	SB3787001	1										LEVEL FEED REGULATOR ASSY
14	SB3788001	1										LEVEL FEED REGULATOR
15	156951021	2										FEED LINK STUD
16	014680632	2	437-40X6									SET SCREW SOCKET SM4.37-40X6
17	156952021	1										FEED ROCKER LINK ASSY
18	156955021	2										FEED ROCKER ARM LINK
19	156956021	1										LINK SHAFT
20	144458001	1	3.57									SET SCREW SM3.57-40X4.5
21	156957120	1										FEED ROCKER ARM
22	062711412	1	476-32X14									SCREW PAN SM4.76-32X14
23	156958021	1										FEED ROCK ARM SHAFT
24	014680632	1	437-40X6									SET SCREW SOCKET SM4.37-40X6
25	158021122	1										F-REGULATOR CONNECT. ROD ASSY
26	156966121	1										PIN
27	048060342	1	E6									RETAINING RING E6
28	120990001	1	4.37									SET SCREW, (CP) SM4.37-40X8
29	SB3789001	1	L									FEED REGULATOR SHAFT L
30	SB3790001	1										FEED REGULATOR SHAFT
31	118735002	1										WASHER
32	012060636	2	6X6									SET SCREW SOCKET (FT) M6X6
33	156969121	1										FEED REGULATOR
34	SB3791001	1										FEED REGULATOR SHAFT
35	S02556021	1										WASHER
36	048070342	1	E7									RETAINING RING E7
37	012060636	1	6X6									SET SCREW SOCKET (FT) M6X6
38	SB3792001	1	12.5									STUD 12.5
39	S47264001	1	437-40X4									SET SCREW, SOCKET (CP) SM4.37
40	S02557120	1	-									LEVER
41	S07959001	1	476-32X14									BOLT, SOCKET SM4.76-32X14
42	SB3792001	1	12.5									STUD 12.5
43	S47264001	1	437-40X4									SET SCREW, SOCKET (CP) SM4.37
44	SA8186002	1	-									REVERSE STITCHING LEVER ASSY
45	S02561021	1										SPRING HOOK PIN
46	SB3793001	1	-									SHAFT R-LEVER
47	147504221	1										SPACER
48	025100132	1	10									WASHER PLAIN S 10
49	048080342	1	E8									RETAINING RING E8
50	S33680001	1	O									O RING
51	062670712	3	357-40X7									SCREW PAN SM3.57-40X7
52	S02562021	1										SPRING HOOK
53	S02563001	1										SPRING, EXTENSION
54	153132020	1	-									NYLON TUBE L=13.5
55	145502021	1										POSITIONING PIN
56	100328001	1										NOTCH SPRING

S-7100A-202

10

D./ Feed mechanism

																		1+
														11	12							9	10
										38												17
39	33	37		34	35		36							80					5		8
																						18
								25			40	78
					56			42
							55														19		20
83
3+					2		3			43				13					14	15	31	30
				7	1	4					41						15
							6															32			82
					2+													16		16			54	81
							29
														26					28
							32						27								53
																		47	52
																49 48
														50									45
											46								51
																21	23
																					44
							62		57									24
		59 85 58			66									61
																	22
													60
									68
							63
								64	67	70
							65
											69+
							71								79			75
		73	86 72									76	77				74
								4
					84
																							S-7100A-202
11

D. / Feed mechanism

REF.NO	CODE	Q'TY																							NAME OF PARTS	RM
57	SB3477101	1																							FEED ROCKER SHAFT
58	S31014020	1	19.3																						BUSH 19.3
59	048150142	1	C15																						RETAINING RING EXTERNAL C15
60	SB3870001	1	-																						SET SCREW COLLAR ASSY
61	014770632	2	635-40X6																						SET SCREW SOCKET SM6.35-40X6
62	156244020	1																							FEED ROCKER BRACKET ARM
63	062681212	2	437-40X12																						SCREW PAN SM4.37-40X12
64	SB3794001	1																							FEED BAR ASSY
65	S02573020	1																							WASHER
66	SB3464001	1																							FEED BAR STUD
67	158722021	1	4.2																						WASHER PLAIN 4.2
68	120990001	2	4.37																						SET SCREW, (CP) SM4.37-40X8
			<-											03 >											<For -[]03>
69+	111860121	1																							FEED DOG
			<-										03 -											03 >	<For -[]03 Europe, -[]03A>
69+	S02742001	1																							FEED DOG
			<-									05													<For -[]05 except Japan>
															>
69+	150793021	1																							FEED DOG
			<-																						<For -[]05 Japan>
												05 >
69+	S02743001	1																							FEED DOG
70	100080004	2	3.18																						SCREW, SM3.18-44X6.5
71	SB3478101	1																							FEED LIFTING ROCKER SHAFT
72	S31014020	1	19.3																						BUSH 19.3
73	048150142	1	C15																						RETAINING RING EXTERNAL C15
74	SB3870001	1	-																						SET SCREW COLLAR ASSY
75	014770632	2	635-40X6																						SET SCREW SOCKET SM6.35-40X6
76	S02575020	1																							F-LIFTING ROCK SHAFT CRANK
77	062711212	1	476-32X12																						SCREW PAN SM4.76-32X12
78	147509021	1	7.14																						SHOULDER SCREW SM7.14
79	104689002	1	7.14																						NUT 7.14
80	118758021	1																							CONNECTING ROD, V-FEEDING
81	S02578121	1	-																						REVERSE STITCHING LEVER PLATE
82	100511123	1	4.76																						SCREW SM4.76
83	S04228001	1																							SPRING HOOK
84	062681412	1	437-40X14																						SCREW PAN SM4.37-40X14
85	156243021	1																							THRUST RING
86	156243021	1																							THRUST RING

S-7100A-202

12