BROTHER Z-8550A, Z-8560A Parts List

Z-8550A	PARTS BOOK
Z-8560A
ELECTRONIC DIRECT DRIVE ZIGZAG LOCK STITCHER
ELECTRONIC DIRECT DRIVE ZIGZAG 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/

BROTHER INDUSTRIES, LTD.

Z-8550A- 31

0:

A:

BROTHER INDUSTRIES, LTD.

Z-8560A- 31

3:

Description of model plate

BROTHER INDUSTRIES, LTD.

Z-8550A- 31

0: Standard

A: Standard + Back tack / Condence device

BROTHER INDUSTRIES, LTD.

Z-8560A- 31

4: Thread trimmer + Upper thread feeding device + Back tack / Condence device + Thread wiper (except for Japan)

Notes for using this parts book

1.This book was prepared based on information available in July 2006.

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

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

	CONTENTS
A. Machine body .....................................................		1
B. Needle bar and thread take-up mechanism ......		3
C. Zigzag mechanism ............................................		7
D. Presser foot mechanism ....................................		9
E. Feed mechanism ...............................................		11
F. Knee lifter mechanism .......................................		17
G. Quick reverse mechanism .................................		19
H. Rotary hook mechanism ....................................		21
J. Lubrication .........................................................		23
K. Threading mechanism .......................................		27
L. Bobbin winder mechanism ................................		29
M1.	Thread trimmer mechanism ..............................	31
M2.	Thread trimmer mechanism ..............................	33
N.	Tension release mechanism ..............................	35
P.	Thread wiper mechanism ..................................	37
Q1.	Control box and motor mechanism ....................	39
Q2.	Control box mechanism .....................................	41
Q3.	Control box mechanism .....................................	43
R. Knee switch mechanism ....................................		45
S. Quick reverse switch mechanism ......................		47
T. Presser foot lifting solenoid set ..........................		49
Z. Accessories .......................................................		51
Ga1. Gauge parts list .................................….............		55
Ga2. Gauge parts list .................................….............		56
Ga3. Gauge parts list .................................….............		57
Wa. Warning labels ...................................................		58
	Index ..................................................................	59

A .	/ Machine body
	22		22
			20
	21
	33					31
						27
					1
						28	4
	32				26	29
			24
	< 8550A		23
	/ For 8550A >
			24
			24	30		3	4
	11		6 5	30	25	2
			9
						2
				CB
	18		15
				U
	16		T
	17		D	Z
			9 10	7	8
	13	14	12
			19
						Z-8550A/8560A-050
1

A.	/ Machine body
REF.NO	CODE	Q'TY								NAME OF PARTS	RM
1	117936001	1								RUBBER CAP, 9.4
2	SA4897001	2								STUD
3	SA4898001	1								MOTOR COVER
4	062501216	3								SCREW PAN M5X12
5	S48006001	1								FACE PLATE KNIFE
6	100242003	1								SCREW, SM3.57-40X5
7	SA4899101	1								FACE PLATE
8	S48008000	1								FACE PLATE PACKING
9	SA5124001	8								SCREW, FLAT M4
10	SA4900001	1								THREAD GUIDE
11	S48010301	1								THREAD TAKE-UP GUARD ASSY
12	S48011101	1								THREAD TAKE-UP GUARD
13	158047009	1								THREAD TAKE-UP GUARD COVER
14	158045009	1								COVER WINDOW
15	141544001	3								SCREW, SM3.18-40X3
18	025770232	1								WASHER PLAIN M SM6.35
16	S52015201	1								WASHER WAVE SPRING
17	S48012201	1								SHOULDER SCREW SM4.76
19	062401016	2								SCREW PAN M4X10
20	SA4901001	1								REAR COVER
21	SA4902001	1								PULSE MOTOR COVER
22	062501216	9								SCREW PAN M5X12
23	104449001	1								RUBBER CAP, 15.5
26	150592001	1								RUBBER CAP, 16
24	104821001	3								RUBBER CAP, 10.5
25	060400816	2								SCREW BIND M4X8
										<For Japan only >
27	S38350001	1								LABEL, OPERATION JPN.
										<Except for Japan & China >
28	S38349001	1							.	LABEL, OPERATION ENG.
										<For China only>
29	SA5322001	1							.	LABEL, OPERATION CHN.
30	S36924001	2								INJURY MARK
31	S37060001	1								LABEL, GROUNDING
										<For 8550A>
32	SA4903101	1								WINDOW PLATE
33	062500816	3								SCREW PAN M5X8

Z-8550A/8560A-050

2

B .		/ Needle bar and thread take-up mechanism
		4		5	6		1			7
								13
										12
									9	10
				4		6		8		11
				3
		2
					15	19				14
				16
		18	17
				28				25
						26		23
		29			27
						21		24
						20	22
<		/			35
	Option parts >
		38				46				34
37					36	45 44
								43		33
					61
			39			51			30
			51					40
						42				32
		54				48
	55
						50				41
						52
							48			49
							31			47
	56					53
										48
		57						59
< 8550A				< 8560A				58
	/ For 8550A >			/ For 8560A >						60
										Z-8550A/8560A-101
3

	B.			/ Needle bar and thread take-up mechanism
	REF.NO		CODE		Q'TY										NAME OF PARTS		RM
	1		SA4904001		1										UPPER SHAFT ASSY
	2		S25235001		1										SCREW M8
	3		S25236001		1										SET SCREW SOCKET (FT) M6X10
	4		S23651001		2										SET SCREW SOCKET (FT) M6X6
	5		SA1120001		1										BOBBIN WINDER DRIVING WHEEL
	6		S23651001		2										SET SCREW SOCKET (FT) M6X6
	7		SA1140001		1										JOINT UNIT
	8		S23651001		2										SET SCREW SOCKET (FT) M6X6
	9		SA2250001		1										TIMING PULLEY, U
	12		SA2404001		3										SCREW, PAN (S WASHER) M4X35
	10		S38712001		1										FLANGE
	11		S38713100		1										FAN
	13		S23651001		2										SET SCREW SOCKET (FT) M6X6
	14		SA4908001		1										TIMING BELT
	15		S48036101		1										N-BAR CONNECTING ROD SHAFT
	16		S48037001		1										ROTARY TAKE-UP MOUNTING PLATE
	19		SA4910001		1										NEEDLE BAR CONNECTING ROD ASSY
	17		SA4909001		1										ROTARY THREAD TAKE-UP LEVER
	20		SA4912001		1										N-BAR CONNECTING ROD GUIDE
	18		S48041001		3										SCREW, FLAT SM3.57
	22		018401036		2										BOLT SOCKET M4X10
	21		SA5125001		1										PRESSER PLATE
	24		018401036		2										BOLT SOCKET M4X10
	23		SA4913001		1										NEEDLE BAR CLAMP GUIDE
	25		SA6093001		1										FELT
	26		SA6092001		1										PRESSER PLATE
	27		062300416		1										SCREW PAN M3X4
	28		SA4915001		1										NEEDLE BAR CLAMP
	29		145318001		1										SCREW, SM4.37
	30		SA4916201		1										NEEDLE BAR BASE ASSY
	31		062300416		2										SCREW PAN M3X4
	32		SA6219001		1										BUSH F
	33		012500536		1										SET SCREW SOCKET (FT) M5X5
	34		SA4922001		1										BUSH,R
	61		SA8112001		1										NEEDLE BAR THREAD GUIDE
	35		SA4923001		1										NEEDLE BAR
	36		140553102		1										SET SCREW, SM3.18
	40		SA6487001		1										NEEDLE BAR BASE GUIDE PIN
	39		S48371070		1										NEEDLE, 134SUK
	41		SA4926001		1										NEEDLE BAR BASE GUIDE,F
	42		SA6274001		1										NEEDLE BAR BASE GUIDE R
	45		014781032		1										SET SCREW SOCKET SM6.35-28X10
	43		SA6488001		1										NEEDLE BAR BASE PRESSURE PIN
	44		SA6486001		1										NEEDLE BAR BASE GUIDE SPRING
	46		150556003		1										NUT, SM6.35
	47		014300432		1										SET SCREW SOCKET (CP) M3X4
	48		012500536		3										SET SCREW SOCKET (FT) M5X5
	49		081005070		1										O RING P5
	50		S48063001		1										AUXILIARY NEEDLE PALTE
	51		S48041001		4										SCREW, FLAT SM3.57
	52		S48065001		1										NEEDLE PLATE, B
															<For 8560A>
	53		S06165001		1										SPACER, NEEDLE PLATE
															<For 8550A>
	54		S48068001		1										SLIDE PLATE ASSY
	55		S48069001		1										SLIDE PLATE
															<Option parts>
	37		SA4924001		1
															THREAD GUIDE
	38		100105005		1										SCREW, SM2.38X2.4

Z-8550A/8560A-101

4

B .		/ Needle bar and thread take-up mechanism
		4		5	6		1			7
								13
										12
									9	10
				4		6		8		11
				3
		2
					15	19				14
				16
		18	17
				28				25
						26		23
		29			27
						21		24
						20	22
<		/			35
	Option parts >
		38				46				34
37					36	45 44
								43		33
					61
			39			51			30
			51					40
						42				32
		54				48
	55
						50				41
						52
							48			49
							31			47
	56					53
										48
		57						59
< 8550A				< 8560A				58
	/ For 8550A >			/ For 8560A >						60
										Z-8550A/8560A-101
5

B.		/ Needle bar and thread take-up mechanism
REF.NO	CODE	Q'TY			<For 8550A>	NAME OF PARTS	RM
56	114561001	1			SPRING, PLATE
57	122771051	2			SCREW, SM2.38
58	SA4928001	1			STOPPER PLATE
59	S48073000	1			STOPPER, 8
60	S18291001	2			SCREW, BUTTON HEAD M5X8

Z-8550A/8560A-101

6

C .	/ Zigzag mechanism
		18
				1
	3
		2			13
	4
	18
				8	15
					16
					6
					9
	14	12	5		7
		10			9
		11
		17
					Z-8550A/8560A-105
7

C.	/ Zigzag mechanism
REF.NO	CODE	Q'TY					NAME OF PARTS	RM
1	SA4929001	1					ZIGZAG MOTOR ASSY
4	018401036	4					BOLT SOCKET M4X10
2	SA4930001	1					MOTOR SETTING BRACKET
3	SA6275 01	1					PALSE MOTOR ASSY X5
5	SA4931001	1					MOTOR LEVER
6	SA4932001	1					WASHER
7	SA4933001	1					MOTOR LEVER SHAFT
8	012500536	3					SET SCREW SOCKET (FT) M5X5
9	SA4934001	1					ZIGZAG CONNECTING ROD
10	SA4935001	1					ZIGZAG CONNECTING ROD SHAFT
11	SA4936001	1					ZIGZAG JOINT
12	012500536	2					SET SCREW SOCKET (FT) M5X5
13	SA4937001	1					OIL TUBE
14	SA4938001	1					WICK, 4X4
17	018062032	1					BOLT SOCKET M6X20
15	140647101	2					CORD HOLDER
18	018061032	3					BOLT SOCKET M6X10
16	062400616	2					SCREW PAN M4X6

Z-8550A/8560A-105

8

D ./ Presser foot mechanism

	38
21 20	37		33	36
			32	35	32	31	34
	23
22			29
		25
	< 8550A	26	30
	/ For 8550A >
	19	28
	18	27	26
		17
		16
	20
14	30	< 8560A / For 8560A >
	40
	50
			24
15
11
12
10
2		<	/ Option parts >
3
4
5
1			39
9
	7
6	8
			41	40
					Z-8550A/8560A-201
9

D.	/ Presser foot mechanism
REF.NO	CODE	Q'TY										NAME OF PARTS	RM
1	S48281001	1										PRESSER BAR
2	SA4940001	1										PRESSER BAR BRACKET
3	S23616101	1										SCREW, M4X10
4	SA4941101	1										PRESSR BAR BUSH
5	012400432	1										SET SCREW SOCKET (FT) M4X4
6	S48293101	1										PRESSER FOOT ASSY W/F-G
7	S48297001	1										SCREW, SM3.18
10	SA7147001	1										SPRING GUIDE COLLAR
8	S48298001	1										COMPRESSION SPRING
9	113050001	1										SCREW, SM3.57
11	S24740001	1										SPRING GUIDE
15	SA1175001	1										ADJUST SCREW NUT
12	S48285001	1										PRESSER BAR SPRING
14	SA1174001	1										PESSER ADJUSTING SCREW, M14
16	S31952001	1										PRESSER BAR LIFTER CRANK
19	S39051001	1										SCREW, PAN (S/P W) M3.5X12
17	081004070	1										O RING P4
18	S31006001	1										LIFTING LEVER
20	SA1181001	1										PRESSER BAR LIFTER LEVER SHAFT
21	081004070	1										O RING P4
22	012500536	1										SET SCREW SOCKET (FT) M5X5
												<For 8550A>
23	SA4944101	1										TENSION RELEASE PLATE
												<For 8560A>
24	SA4943101	1										TENSION RELEASE CON. ROD ASSY
25	S07350001	1										WASHER PLAIN
26	048050342	2										RETAINING RING E5
27	SA7839001	1										SPRING
28	SA1177001	1										PRESSER BAR LIFTER LEVER
29	SA4947001	1										KNEE LIFTER CONNECTING ROD
30	SA1179001	1										SHOULDER SCREW, M5
31	SA3980001	1										KNEE LIFTER LEVER
32	SA1179001	2										SHOULDER SCREW, M5
33	SA2165001	1										SHOULDER SCREW, M6
34	SA4948001	1										KNEE LIFTER BAR
35	SA5416001	1										ADJUSTING SCREW M6
36	021060306	1										NUT 3 M6
37	SA4949001	1										SCREW,M6
38	021060306	1										NUT 3 M6
												<Option parts>
39	S50114001	1										PRESSER BAR, U
40	S50115001	1										PRESSER BAR TIP, A
41	S50116001	1										PRESSER BAR TIP, B

Z-8550A/8560A-201

10

E .			/ Feed mechanism
																		40		41
								10	14	19		16	17 18
																43					37
																	38
						15	9
										14									39
						15	13
		14		12										35			36
										30 32		33
													34	42
							31	11				8
					29								4
						28			7						5
										6
		51				27						1			3
					46				20
		51					48			25	26		2
						44
												24
	50			52
								49				22								85
										23 21
							47
							45								86
								68		69
	55										83				76
					56								73
						88											61
				59
	58	57							72							62			77	78
					70						84				75			79
													74			66	80
	89						87											81			82
												64								60
90			89	71
		90							93
							97	96			67			65
													116							81
	111											115			63	117	53
										92
										112
				91	103	110										107			54
95	94	98						100									99
							109									106
				108								114				101
								113
									105	104
																102
																		Z-8550A/8560A-202
11

E.	/ Feed mechanism
REF.NO	CODE	Q'TY									NAME OF PARTS	RM
1	S47433201	1									FEED REGULATING STUD
2	SA4951001	1									STITCH LENGTH DIAL,5
3	S21514101	1									SCREW, SM4.76
4	108549001	1									O RING
5	142746122	1									FEED REGULATING SUPPORTER
6	SA4952001	1									STITCH LENGTH DIAL PIN
7	149622001	1									SPRING, N-BAR STOPPER
8	SA4241001	1									ROCK REVER PIN
9	SA4954001	1									FEED REGULATOR ASSY
10	SA4957001	1									CONNECTING ROD, U
11	SA4958001	1									FEED ADJUSTING LEVER, U
12	SA4959001	1									CONNECTING ROD, D
13	S23651001	2									SET SCREW SOCKET (FT) M6X6
14	151308102	3									STUD, 12.5
15	012500536	3									SET SCREW SOCKET (FT) M5X5
16	SA6227001	1									FEED REGULATOR SHAFT
17	S20356001	1									WASHER, PLAIN 10
18	048080342	1									RETAINING RING E8
19	012060536	2									SET SCREW, SOCKET (FT) M6X5
20	S47433201	1									FEED REGULATING STUD
21	S48113001	1									CONDENSE DIAL, 5
22	129458102	1									SCREW, SM4.76
23	108549001	1									O RING
24	142746122	1									FEED REGULATING SUPPORTER
25	100328001	1									NOTCH SPRING
26	S50098101	1									POSITIONING PIN
27	SA4961001	1									CONDENSE REGULATOR
28	S23651001	2									SET SCREW SOCKET (FT) M6X6
29	142374100	1									BUSH DRY :L=20
30	S25469100	1									BUSH DRY :L=12
33	025100132	1									WASHER PLAIN S 10
31	SA4963001	1									R-LEVER SHAFT
32	048080342	1									RETAINING RING E8
34	SA1207001	1									SPACER
35	SA7327001	1									SPRING
36	S07374109	1									REVERSE STITCHING LEVER
											<For 8550A-A31 & 8560A>
											<For 8550A-031>
37	SA2541001	1									REVERSE STITCHING LEVER PLATE
38	SA3067001	1									LEVER GUIDE
39	S48367000	2									RUBBER
40	025050336	1									WASHER PLAIN L 5
41	062501216	1									SCREW PAN M5X12
42	062500816	2									SCREW PAN M5X8
45	018501636	1									BOLT SOCKET M5X16
43	153132000	1									NYLON TUBE, L=13.5
44	SA4966001	1									FEED ADJUSTING LEVER, D
46	151308102	1									STUD, 12.5
47	012500536	1									SET SCREW SOCKET (FT) M5X5
48	SA4967001	1									FEED ADJUSTING SHAFT BUSH
49	012060536	1									SET SCREW, SOCKET (FT) M6X5
											<For 8550A-031>
50	SA4968001	1									SET SCREW COLLAR
51	S23651001	2									SET SCREW SOCKET (FT) M6X6
52	SA4969001	1									FEED ADJUSTING SHAFT
53	SA4970001	1									BUSH, R
54	SA4971001	1									OIL SEAL
55	SA4972001	1									FEED CONNECTING LEVER

Z-8550A/8560A-202

12

E .			/ Feed mechanism
																		40		41
								10	14	19		16	17 18
																43					37
																	38
						15	9
										14									39
						15	13
		14		12										35			36
										30 32		33
													34	42
							31	11				8
					29								4
						28			7						5
										6
		51				27						1			3
					46				20
		51					48			25	26		2
						44
												24
	50			52
								49				22								85
										23 21
							47
							45								86
								68		69
	55										83				76
					56								73
						88											61
				59
	58	57							72							62			77	78
					70						84				75			79
													74			66	80
	89						87											81			82
												64								60
90			89	71
		90							93
							97	96			67			65
													116							81
	111											115			63	117	53
										92
										112
				91	103	110										107			54
95	94	98						100									99
							109									106
				108								114				101
								113
									105	104
																102
																		Z-8550A/8560A-202
13

E.	/ Feed mechanism
REF.NO	CODE	Q'TY								NAME OF PARTS	RM
56	012060536	2								SET SCREW, SOCKET (FT) M6X5
57	SA4932001	1								WASHER
58	151308102	1								STUD, 12.5
59	012500536	1								SET SCREW SOCKET (FT) M5X5
60	SA7709001	1								FEED REGULATOR UNIT
61	SA4980001	1								F-DRIVING CONNECTING ROD
62	110562001	1								SHAFT
63	SA4981001	1								SCREW, SM3.5
66	S53825001	1								SHAFT, 7.24
64	SA4982001	1								FEED ROCKER ARM
65	062061616	1								SCREW PAN M6X16
69	018501032	2								BOLT SOCKET M5X10
67	012500536	1								SET SCREW SOCKET (FT) M5X5
68	SA4983001	1								FEED REGULATOR LEVER
70	SA4984001	1								F-REGULATOR CONNECTING ROD
71	SA4985001	1								SHOULDER SCREW, M5
74	S25240001	1								SET SCREW SOCKET (CN) M6X10
72	021500312	1								NUT 3 M5
73	SA4987001	1								LEVEL FEED ECCENTRIC WHEEL
75	S25236001	1								SET SCREW SOCKET (FT) M6X10
76	SA4988001	1								ROLLER BEARING, RADIAL 20
77	SA4989001	1								HOLDER
78	062350616	2								SCREW PAN M3.5X6
79	081009070	1								O RING P9
80	SA4990001	1								FELT
81	148743001	2								FELT
82	SA4991001	1								OIL SEAL
83	SA4992001	1								F-REGULATOR STOPPER
84	062060816	1								SCREW PAN M6X8
85	SA2377001	1								RUBBER CAP LABEL
86	S34352101	1								RUBBER CAP, 13.5
87	SA7499001	1								EXTENSION SPRING
88	SA4994101	1								SPRING HOOK
89	SA4995001	2								FEED ADJUSTING STOPPER
90	062061016	2								SCREW PAN M6X10
91	SA4996001	1								FEED ROCKER SHAFT
92	SA4997001	1								SET SCREW COLLAR
95	048110142	1								RETAINING RING EXTERNAL C11
93	S23651001	2								SET SCREW SOCKET (FT) M6X6
94	142628001	1								SPACER
96	SA4998001	1								BUSH, M
97	SA4999001	1								OIL SEAL
98	SA5001001	1								BUSH, L
99	012060536	1								SET SCREW, SOCKET (FT) M6X5
100	SA5003001	1								FEED BAR ASSY
101	SA5016001	1								FEED LIFTING LINK ASSY
										<For 8560A>
102	SA5010001	1								FEED LIFTING LINK ASSY
										<For 8550A>
										<For 8560A>
103	SA8037001	1								FEED ROCKER BRACKET ARM
105	SA5006001	1								PIN
104	062401416	1								SCREW PAN M4X14
106	105161004	1								WASHER, PLAIN
107	062300616	1								SCREW PAN M3X6
										<For 8550A>
108	SA8038001	1								FEED ROCKER BRACKET ARM
109	SA7257001	2								SCREW 5X12

Z-8550A/8560A-202

14

E .			/ Feed mechanism
																		40		41
								10	14	19		16	17 18
																43					37
																	38
						15	9
										14									39
						15	13
		14		12										35			36
										30 32		33
													34	42
							31	11				8
					29								4
						28			7						5
										6
		51				27						1			3
					46				20
		51					48			25	26		2
						44
												24
	50			52
								49				22								85
										23 21
							47
							45								86
								68		69
	55										83				76
					56								73
						88											61
				59
	58	57							72							62			77	78
					70						84				75			79
													74			66	80
	89						87											81			82
												64								60
90			89	71
		90							93
							97	96			67			65
													116							81
	111											115			63	117	53
										92
										112
				91	103	110										107			54
95	94	98						100									99
							109									106
				108								114				101
								113
									105	104
																102
																		Z-8550A/8560A-202
15

E.	/ Feed mechanism
	SA1242001		2				SET SCREW 5X7
110
REF.NO	CODE		Q'TY				NAME OF PARTS	RM
111	SA5009001		1				F-ROCKER BASE SHAFT
112	S48140001		1				WASHER
113	062300416		1				SCREW PAN M3X4
114	062300416		1				SCREW PAN M3X4
115	S58908001		1				FEED DOG
116	S07494001		2				SCREW, W/SOCKET SM3.18X7
117	SA7706001		1				RUBBER CAP 12.5

Z-8550A/8560A-202

16