Brother T-8722C User manual
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T-8421C
T-8422C
2
2
TWIN NEEDLE DIRECT DRIVE LOCK STITCHER
TWIN NEEDLE DIRECT DRIVE LOCK STITCHER WITH THREAD TRIMMER
PARTS BOOK
BROTHER INDUSTRIES, LTD.
T-8421C-T
BROTHER INDUSTRIES, LTD.
T-8422C-4
0:
3:
0:
3:
3:
3:
5:
7:
F:
0: Minimum lubrication type
3: Semi dry type
3: Medium-weight materials
F: Foundation garments
0: Minimum lubrication type
3: Semi dry type
3: Medium-weight materials
5: Heavy-weight materials
Description of model plate
BROTHER INDUSTRIES, LTD.
T-8421C-T
BROTHER INDUSTRIES, LTD.
T-8422C-4
7: Heavy-weight materials
(For extra-thick thread)
1.
2.
3.
4.
A. 1
B. 3
C. 5
D.
7
E. 9
F. 11
13
H. 15
17
19
23
. 25
27
M. 31
N. 33
P. 35
Q.
39
R. 41
S1. 43
S2.
45
S3.
47
.
49
51
53
Z1. 55
Z2. 57
Wa. 59
Sp. 61
Ga1. 63
Ga2. 69
73
1. This lis was prepared based on information available in March 2010.
2. Parts are subject to changes in design without prior notice.
3. Parts supplied as complete assemblies are circled by a dotted line.
4.
A. Machine body ..............................................................…....... 1
B. Upper shaft mechanism .....................................................…
.
3
C. Needle bar rocking mechanism .............................................
.
5
D. Presser foot mechanism ....................................................…. 7
E. Feed mechanism ............................................................….... 9
F. Quick reverse mechanism .......….......….......….......….......…
.
11
Feed shaft mechanism ......................................................…. 13
H. Gauge parts ...............................................................….......
…
15
J1. Rotary hook mechanism (T-8421C) ....................................... 17
J2. Rotary hook mechanism (T-8422C) ....................................... 19
J3. Rotary hook mechanism .....................................................… 23
K. Lower shaft mechanism .....................................................…
.
25
L. Lubrication .........................................................................…. 27
M. Threading mechanism .......................................................…. 31
N. Bobbin winder mechanism ...................................................
…
33
P. Thread trimmer mechanism ............................….......….......
…
35
Q. Tension release mechanism (T-8422C).............................…. 39
R. Thread wiper mechanism (T-8422C) ............................…...... 41
S1. Control box and motor mechanism ............................….......
…
43
S2. Control box mechanism ............................….......….......…....
.
45
S3. Control box mechanism ............................….......….......…....
.
47
T. Quick reverse switch mechanism .......….......….......….......… 49
Power supply equipment mechanism .................................... 51
Presser foot lifting solenoid set mechanism (Option parts) .... 53
Z1.
A
ccessories ...............................................................…......... 55
Z2.
A
ccessories ...............................................................…......... 57
Wa. Warning labels ...............................................................…..... 59
Sp. Different parts list .....................................................….......… 61
Ga1. Gauge parts list (T-8421C) .................................…................ 63
Ga2. Gauge parts list (T-8422C) .........................................….......
…
69
Index .............................................................................…...... 73
Notes for using this parts book
CONTENTS
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.
1
A . / Machine body
REF.NO CODE Q'TY NAME OF PARTS RM
1 140063001 2
DOWEL PIN
2 SA3924001 1
POSITIONING PIN
3 SB1308001 1 FACE PLATE ASS
Y
4 SA2929001 2
RUBBER CAP, 12.5
5 062500816 2 SCREW PAN M5X8
6 SA2441101 1
REAR COVE
R
7 062501216 7 SCREW PAN M5X12
8 SA2442201 1
MOTOR COVER
9 062501416 3 SCREW PAN M5X14
11 SA2443101 1
DUST PROTECTOR
12 062500616 2 SCREW PAN M5X6
13 SA2444101 1 BED LEG L
15 SA2445101 1 BED LED S
16 SA2448101 1 SLIDE PLATE L
A
18 SA2450101 1 SLIDE PLATE
R
20 S36663001 1 SLIDE PLATE F ASS
Y
21 S34438001 4
SCREW, FLAT SM3.18-40X4
22 116010001 1
SET SCREW, SM5.16-40X4
23 SA2929001 1
RUBBER CAP, 12.5
24 SA2929001 2
RUBBER CAP, 12.5
25 S37060001 1 LABEL, GROUNDING
26 SA9826001 1 LABEL CAUTION
27 062500816 2 SCREW PAN M5X8
28 SA9957001 1
INJURY MAR
K
29 SA9957002 1
INJURY MAR
K
T-8421C/8422C-050
2
1
T-8421C/8422C-050
A . / Machine body
18
1
16
4
3
7
21
20
15
2
22
5
12 11
24
23
6
26
25
9
8
13
29
28
27
2
A . / Machine body
REF.NO CODE Q'TY NAME OF PARTS RM
1 140063001 2
DOWEL PIN
2 SA3924001 1
POSITIONING PIN
3 SB1308001 1 FACE PLATE ASS
Y
4 SA2929001 2
RUBBER CAP, 12.5
5 062500816 2 SCREW PAN M5X8
6 SA2441101 1
REAR COVE
R
7 062501216 7 SCREW PAN M5X12
8 SA2442201 1
MOTOR COVER
9 062501416 3 SCREW PAN M5X14
11 SA2443101 1
DUST PROTECTOR
12 062500616 2 SCREW PAN M5X6
13 SA2444101 1 BED LEG L
15 SA2445101 1 BED LED S
16 SA2448101 1 SLIDE PLATE L
A
18 SA2450101 1 SLIDE PLATE
R
20 S36663001 1 SLIDE PLATE F ASS
Y
21 S34438001 4
SCREW, FLAT SM3.18-40X4
22 116010001 1
SET SCREW, SM5.16-40X4
23 SA2929001 1
RUBBER CAP, 12.5
24 SA2929001 2
RUBBER CAP, 12.5
25 S37060001 1 LABEL, GROUNDING
26 SA9826001 1 LABEL CAUTION
27 062500816 2 SCREW PAN M5X8
28 SA9957001 1
INJURY MAR
K
29 SA9957002 1
INJURY MAR
K
T-8421C/8422C-050
2
3
B . / Upper shaft mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
<-> <For -0>
5 SA6166001 1
CRANKSHAFT
6 117006001 1 WICK, L=60
7 113014000 1 PUSHE
R
13 SA2861201 1
THREAD TAKE-UP S-SHAFT UNI
T
14 SA2935101 1
THREAD TAKE-UP LEVER ASSY, S3-
L
15 S13160001 1
T-TAKE-UP SLIDE BLOCK ASSY, 2
<-> <For -3>
16 SB1407001 1
THREAD TAKE-UP CRANK SHAF
T
17 012500536 1 SET SCREW SOCKET (FT) M5X5
18 SA2464101 1
THREAD TAKE-UP S-SHAFT ASS
Y
19 SA2958001 1
SCREW FLAT M5X6
20 012500536 1 SET SCREW SOCKET (FT) M5X5
21 SB1421001 1
THREAD TAKE-UP LEVER S3
22 SA4129201 1
THREAD TAKE-UP SLIDE B-ASS
Y
1 SA2452101 1
UPPER SHAFT, DD
2 SA4089001 1
THREAD TAKE-UP CRAN
K
3 SB1485001 1
BALL BEARING, 6004ZZ
4 SB1484001 1
BALL BEARING, 6004ZZNR
8 S25260001 2 SET SCREW SOCKET (FT) M6X5
9 SA1120001 1 BOBBIN WINDER DRIVING WHEE
L
10 S23651001 2 SET SCREW SOCKET (FT) M6X6
11 S25235001 1
SCREW M8
12 S25236001 1 SET SCREW, SOCKET (FT) M6X10
23 SA2460101 1
PRESSER ADJUSTING UNI
T
24 SB1536001 1
BALL BEARING, 6204ZZNR
25 S23651001 4 SET SCREW SOCKET (FT) M6X6
26 SA2461001 1
TIMING PULLEY, U DD
27 S38713100 1 FAN
28 062403512 3 SCREW PAN M4X35
29 028040242 3
WASHER SPRING 2-4
30 025040232 3
WASHER PLAIN M 4
31 SA2463001 1
TIMING BELT
32 012061036 2 SET SCREW SOCKET (FT) M6X10
33 SA2469101 1
THREAD TAKE-UP LEVER COVE
R
34 062500816 2 SCREW PAN M5X8
35 SA4537001 1
DUST COVE
R
36 SA3058101 1
SHELTER PLATE
37 SA3065001 1 FELT
38 SA3059101 1
HOLDER, SHELTER PLATE
39 062500816 1 SCREW PAN M5X8
T-8421C/8422C-109
4
T-8421C/8422C-109
3
B . / Upper shaft mechanism
< -[ ]0[ ] / For -[ ]0[ ] Minimum lubrication type >
< -[ ]3[ ] / For -[ ]3[ ] Semi dry type >
5
7
1
6
33
35
34
20
19
18
8
8
12
2
11
10
11 12
2
16
9
10
9
1
17
31
36
39
38
37
25
26
25
27
29 28
30
23
24 25
43
43
13
22
15
14
21
32
32
4
B . / Upper shaft mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
<-> <For -0>
5 SA6166001 1
CRANKSHAFT
6 117006001 1 WICK, L=60
7 113014000 1 PUSHE
R
13 SA2861201 1
THREAD TAKE-UP S-SHAFT UNI
T
14 SA2935101 1
THREAD TAKE-UP LEVER ASSY, S3-
L
15 S13160001 1
T-TAKE-UP SLIDE BLOCK ASSY, 2
<-> <For -3>
16 SB1407001 1
THREAD TAKE-UP CRANK SHAF
T
17 012500536 1 SET SCREW SOCKET (FT) M5X5
18 SA2464101 1
THREAD TAKE-UP S-SHAFT ASS
Y
19 SA2958001 1
SCREW FLAT M5X6
20 012500536 1 SET SCREW SOCKET (FT) M5X5
21 SB1421001 1
THREAD TAKE-UP LEVER S3
22 SA4129201 1
THREAD TAKE-UP SLIDE B-ASS
Y
1 SA2452101 1
UPPER SHAFT, DD
2 SA4089001 1
THREAD TAKE-UP CRAN
K
3 SB1485001 1
BALL BEARING, 6004ZZ
4 SB1484001 1
BALL BEARING, 6004ZZNR
8 S25260001 2 SET SCREW SOCKET (FT) M6X5
9 SA1120001 1 BOBBIN WINDER DRIVING WHEE
L
10 S23651001 2 SET SCREW SOCKET (FT) M6X6
11 S25235001 1
SCREW M8
12 S25236001 1 SET SCREW, SOCKET (FT) M6X10
23 SA2460101 1
PRESSER ADJUSTING UNI
T
24 SB1536001 1
BALL BEARING, 6204ZZNR
25 S23651001 4 SET SCREW SOCKET (FT) M6X6
26 SA2461001 1
TIMING PULLEY, U DD
27 S38713100 1 FAN
28 062403512 3 SCREW PAN M4X35
29 028040242 3
WASHER SPRING 2-4
30 025040232 3
WASHER PLAIN M 4
31 SA2463001 1
TIMING BELT
32 012061036 2 SET SCREW SOCKET (FT) M6X10
33 SA2469101 1
THREAD TAKE-UP LEVER COVE
R
34 062500816 2 SCREW PAN M5X8
35 SA4537001 1
DUST COVE
R
36 SA3058101 1
SHELTER PLATE
37 SA3065001 1 FELT
38 SA3059101 1
HOLDER, SHELTER PLATE
39 062500816 1 SCREW PAN M5X8
T-8421C/8422C-109
4
5
C . / Needle bar rocking mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
<-> <For -0>
1 SA8893101 1
NEEDLE BAR ROCKER SHAFT ASS
Y
2 SB1423001 1
NEEDLE BAR BASE ASS
Y
9 SA3711101 1
CRANK ROD, N-BA
R
10 SB1427001 1 SLIDE BLOC
K
15 SA4007001 1 FELT SUPPORT, U
16 062500616 1 SCREW, PAN M5X6
17 SA3848001 1 FELT SUPPORT, D
18 S07465000 1 WICK L=200
19 SA3852001 1 FELT
20 SA2485001 1 SET SCREW COLLA
R
21 S25260001 2 SET SCREW SOCKET (FT) M6X5
45 SA5332001 1
BUSH, L
46 S48204000 1 WICK, 4X4 L=150
<-> <For -3>
22 SA4093301 1
NEEDLE BAR ROCKER SHAFT ASS
Y
23 SB1429001 1
NEEDLE BAR BASE ASS
Y
24 062500816 2 SCREW PAN M5X8
25 SA4094001 1
CRANK ROD, N-BA
R
26 SB1431001 1 SLIDE BLOC
K
27 SA2485001 1 SET SCREW COLLA
R
28 S25260001 2 SET SCREW SOCKET (FT) M6X5
29 SA4095001 1
BUSH, L
3 SB1425001 1
SLIDE BLOCK SLIDE
R
4 018401036 2
BOLT SOCKET M4X10
5 SA2475101 1
NEEDLE BA
R
6 SB1426001 1
NEEDLE BAR CLAMP
7 062350816 1 SCREW PAN M3.5X8
8 112728001 1 WICK, L=50
14 148394000 1
CAP, N-BA
R
30 SA2486101 1
BUSH,
R
31 062500816 1 SCREW PAN M5X8
32 062061616 1 SCREW PAN M6X16
33 SA2489001 1
NEEDLE BAR ROCKER LEVE
R
34 018062032 1
BOLT SOCKET M6X20
35 118735002 1
WASHE
R
36 SA2490101 1
ROCKER LINK, N-BA
R
37 S23460001 2 SCREW PAN M6X5
38 SB1437001 1
LINK SHAFT N-BAR ROCKE
R
39 012060636 2 SET SCREW SOCKET (FT) M6X6
40 SB1438001 1 ZIGZAG LINK BUSH
41 018062532 1 BOLT SOCKET M6X25
42 SA2493001 2
WASHER, PLAIN
43 SA2494001 1
NEEDLE BAR ROCK ARM
44 018062032 1
BOLT SOCKET M6X20
T-8421C/8422C-115
6
T-8421C/8422C-115
5
C . / Needle bar rocking mechanism
< -[ ]0[ ] / For -[ ]0[ ] Minimum lubrication type >
< -[ ]3[ ] / For -[ ]3[ ] Semi dry type >
30
32
31
33
39
41
42
14
5
17
19
4
4
1
40
36
37
108
42
43
18
39
44
34
35
3
38
37
67
1516
2
28
27
14
5
22
268
3
24
67
23
29
25
45
46
21
20
9
6
C . / Needle bar rocking mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
<-> <For -0>
1 SA8893101 1
NEEDLE BAR ROCKER SHAFT ASS
Y
2 SB1423001 1
NEEDLE BAR BASE ASS
Y
9 SA3711101 1
CRANK ROD, N-BA
R
10 SB1427001 1 SLIDE BLOC
K
15 SA4007001 1 FELT SUPPORT, U
16 062500616 1 SCREW, PAN M5X6
17 SA3848001 1 FELT SUPPORT, D
18 S07465000 1 WICK L=200
19 SA3852001 1 FELT
20 SA2485001 1 SET SCREW COLLA
R
21 S25260001 2 SET SCREW SOCKET (FT) M6X5
45 SA5332001 1
BUSH, L
46 S48204000 1 WICK, 4X4 L=150
<-> <For -3>
22 SA4093301 1
NEEDLE BAR ROCKER SHAFT ASS
Y
23 SB1429001 1
NEEDLE BAR BASE ASS
Y
24 062500816 2 SCREW PAN M5X8
25 SA4094001 1
CRANK ROD, N-BA
R
26 SB1431001 1 SLIDE BLOC
K
27 SA2485001 1 SET SCREW COLLA
R
28 S25260001 2 SET SCREW SOCKET (FT) M6X5
29 SA4095001 1
BUSH, L
3 SB1425001 1
SLIDE BLOCK SLIDE
R
4 018401036 2
BOLT SOCKET M4X10
5 SA2475101 1
NEEDLE BA
R
6 SB1426001 1
NEEDLE BAR CLAMP
7 062350816 1 SCREW PAN M3.5X8
8 112728001 1 WICK, L=50
14 148394000 1
CAP, N-BA
R
30 SA2486101 1
BUSH,
R
31 062500816 1 SCREW PAN M5X8
32 062061616 1 SCREW PAN M6X16
33 SA2489001 1
NEEDLE BAR ROCKER LEVE
R
34 018062032 1
BOLT SOCKET M6X20
35 118735002 1
WASHE
R
36 SA2490101 1
ROCKER LINK, N-BA
R
37 S23460001 2 SCREW PAN M6X5
38 SB1437001 1
LINK SHAFT N-BAR ROCKE
R
39 012060636 2 SET SCREW SOCKET (FT) M6X6
40 SB1438001 1 ZIGZAG LINK BUSH
41 018062532 1 BOLT SOCKET M6X25
42 SA2493001 2
WASHER, PLAIN
43 SA2494001 1
NEEDLE BAR ROCK ARM
44 018062032 1
BOLT SOCKET M6X20
T-8421C/8422C-115
6
7
D . / Presser foot mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
1 SA2495001 1
PRESSER BAR BUSH
2 062500816 1 SCREW PAN M5X8
3 SA1174002 1
PESSER ADJUSTING SCREW, M14
4 SA1175002 1
A
DJUST SCREW NU
T
5 SA7607101 1
SPRING GUIDE
<-, -, -> <For -3, -405, -407>
6+ S07346101 1
PRESSER BAR SPRING, -
5
<-> <For -TF>
6+ S16196001 1
PRESSER BAR SPRING,
F
7 SB1439001 1
PRESSER BA
R
8 SA2498001 1
GUIDE BRACKET, P-BA
R
9 S25289001 1
BOLT (CP) M6X10
10 SA2499001 1
PRESSER BAR LIFTING CRAN
K
11 S31006002 1
LIFTING LEVER
12 S39051001 1
SCREW PAN (S/P W) M3.5X12
<-> <For T-8421C>
13 S07353001 1 TENSION RELEASE PLATE ASS
Y
<-> <For T-8422C>
14 S07351001 1 TENSION RELEASE PLATE ASS
Y
15 S07529001 1 T-RELEASE CONNECTING ROD ASS
Y
16 048030342 2 RETAINING RING E3
17 SA2677101 1 TENSION RELEASE WIRE
18 012061832 1 SET SCREW, SOCKET (FT) M6X18
19 021060306 1 NUT 3 M6
20 SA2500001 1
KNEE LIFTER C-ROD ASS
Y
21 SA2501001 1
PRESSER BAR LIFTING LEVE
R
22 SA2502001 1
KNEE LIFTER CONNECTING ROD
23 SA1179001 1
SHOULDER SCREW, M5
24 S07349001 1
P-BAR LIFTING LEVER SHAFT
25 SA2504001 1 SET SCREW COLLA
R
26 012500536 2 SET SCREW SOCKET (FT) M5X5
<-> <For T-8421C>
27 S07355051 1
SPRING, EXTENSION
<-> <For T-8422C>
43 S07355051 2
SPRING, EXTENSION
28 062501216 1 SCREW PAN M5X12
29 021500106 1 NUT 1 M5
30 SA2506001 1
KNEE LIFTER LEVE
R
31 SA2507001 1
KNEE LIFTER BA
R
32 SA1179001 1
SHOULDER SCREW, M5
33 SA2165001 1
SHOULDER SCREW, M6
34 SA1179001 1
SHOULDER SCREW, M5
35 SA4149101 1
A
DJUSTING SCREW 6
36 021060306 1 NUT 3 M6
37 S07350001 1
WASHER PLAIN
<-
> <T-8422C Option parts>
38 S10780001 1 TENSION RELEASE PLATE ASS
Y
39 S07529001 1 T-RELEASE CONNECTING ROD ASS
Y
40 048030342 2 RETAINING RING E3
41 SA2677101 1 TENSION RELEASE WIRE
42 SA2578001 1
PRESSER BAR LIFTING LEVE
R
T-8421C/8422C-201
8
T-8421C/8422C-201
7
D . / Presser foot mechanism
< T-8421C >
< T-8421C >
< T-8422C >
< T-8422C > < T-8422C
/ T-8422C Option parts >
26
29
18 19
24
20
9
1
7
8
5
4
3
10
25
23
22
30
1112
21
28
27
43
33
34 32
31
13
2
36
35
37
15
16
14
16
39
40
42
38
40
17 41
6+
8
D . / Presser foot mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
1 SA2495001 1
PRESSER BAR BUSH
2 062500816 1 SCREW PAN M5X8
3 SA1174002 1
PESSER ADJUSTING SCREW, M14
4 SA1175002 1
A
DJUST SCREW NU
T
5 SA7607101 1
SPRING GUIDE
<-, -, -> <For -3, -405, -407>
6+ S07346101 1
PRESSER BAR SPRING, -
5
<-> <For -TF>
6+ S16196001 1
PRESSER BAR SPRING,
F
7 SB1439001 1
PRESSER BA
R
8 SA2498001 1
GUIDE BRACKET, P-BA
R
9 S25289001 1
BOLT (CP) M6X10
10 SA2499001 1
PRESSER BAR LIFTING CRAN
K
11 S31006002 1
LIFTING LEVER
12 S39051001 1
SCREW PAN (S/P W) M3.5X12
<-> <For T-8421C>
13 S07353001 1 TENSION RELEASE PLATE ASS
Y
<-> <For T-8422C>
14 S07351001 1 TENSION RELEASE PLATE ASS
Y
15 S07529001 1 T-RELEASE CONNECTING ROD ASS
Y
16 048030342 2 RETAINING RING E3
17 SA2677101 1 TENSION RELEASE WIRE
18 012061832 1 SET SCREW, SOCKET (FT) M6X18
19 021060306 1 NUT 3 M6
20 SA2500001 1
KNEE LIFTER C-ROD ASS
Y
21 SA2501001 1
PRESSER BAR LIFTING LEVE
R
22 SA2502001 1
KNEE LIFTER CONNECTING ROD
23 SA1179001 1
SHOULDER SCREW, M5
24 S07349001 1
P-BAR LIFTING LEVER SHAFT
25 SA2504001 1 SET SCREW COLLA
R
26 012500536 2 SET SCREW SOCKET (FT) M5X5
<-> <For T-8421C>
27 S07355051 1
SPRING, EXTENSION
<-> <For T-8422C>
43 S07355051 2
SPRING, EXTENSION
28 062501216 1 SCREW PAN M5X12
29 021500106 1 NUT 1 M5
30 SA2506001 1
KNEE LIFTER LEVE
R
31 SA2507001 1
KNEE LIFTER BA
R
32 SA1179001 1
SHOULDER SCREW, M5
33 SA2165001 1
SHOULDER SCREW, M6
34 SA1179001 1
SHOULDER SCREW, M5
35 SA4149101 1
A
DJUSTING SCREW 6
36 021060306 1 NUT 3 M6
37 S07350001 1
WASHER PLAIN
<-
> <T-8422C Option parts>
38 S10780001 1 TENSION RELEASE PLATE ASS
Y
39 S07529001 1 T-RELEASE CONNECTING ROD ASS
Y
40 048030342 2 RETAINING RING E3
41 SA2677101 1 TENSION RELEASE WIRE
42 SA2578001 1
PRESSER BAR LIFTING LEVE
R
T-8421C/8422C-201
8
9
E . / Feed mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
<-, -> <For -3, -TF>
1+ SA3062001 1 FEED REGULATOR ASSY, 11
<-, -> <For -405, -407>
1+ SA2509001 1 FEED REGULATOR ASS
Y
2 SA2511001 2 GUIDE PLATE
3 062501016 4 SCREW PAN M5X10
4 SA2512001 1 SLIDE BLOCK ASS
Y
5 SA2515001 3 FELT
6 SA2516001 1 STOPEE
R
7 062060816 1 SCREW PAN M6X8
8 143611201 1 F-ROCKER CONNECTING ROD ASS
Y
9 143612100 1 FEED ROCKER CONNECTING ROD
10 118954000 1
NEEDLE BEARING
11 SA2518001 1 LEVEL FEED ECCENTRIC WHEEL 5
12 SA2585001 1
SET SCREW, SOCKET (FT) M6
13 S25236001 1 SET SCREW SOCKET (FT) M6X10
14 SA2521001 1
FEED ROCKER ARM 5
15 018062032 1
BOLT SOCKET M6X20
16 143613051 1
LIN
K
17 143616001 1
SHAFT
18 048060342 2 RETAINING RING E6
<-, -> <For -3, -TF>
19 S38422002 1
STITCH LENGTH DIAL, 4
<-, -> <For -405, -407>
20 S38427002 1
STITCH LENGTH DIAL, 5
21 SA3056001 1
FEED REGULATING STUD
22 142746122 1 FEED REGULATING SUPPORTE
R
23 129458202 1
SCREW SM4.76
24 108549001 1
O RING
25 S50098101 1
POSITIONING PIN
26 100328001 1
NOTCH SPRING
27 SA2523001 1
DIAL LOCK LEVE
R
28 S39830101 1
SPRING
29 SA2525001 1 FEED REGULATOR 5
30 016061031 2
SET SCREW SOCKET (CN) M6X10
31 SA2526001 1 CONNECTING ROD
32 SB1440001 1
ECCENTRIC SHAFT
33 012060636 1 SET SCREW SOCKET (FT) M6X6
34 SB1413001 1
SHOULDER SCREW M6
35 SA2529101 1
SHAFT, R-LEVER TR
36 048080342 1 RETAINING RING E8
37 025100132 1
WASHER PLAIN S 10
38 SA2530001 1
SPACE
R
45 104821001 1
RUBBER CAP, 10.5
46 062500816 2 SCREW PAN M5X8
47 SA2532001 1 STOPPE
R
48 062501216 1 SCREW PAN M5X12
49 025050236 1
WASHER PLAIN M 5
50 S07376001 1
FEED REGULATOR SPRING
51 SA2533001 1
SPRING HOO
K
52 062060816 1 SCREW PAN M6X8
53 062501216 1 SCREW PAN M5X12
54 021500106 1 NUT 1 M5
39 S07374101 1
REVERSE STITCHING LEVE
R
40 SA2531001 1
SPRING
43 SA6592001 1
SCREW M5
44 SA2541001 1
REVERSE STITCHING LEVER PLATE
T-8421C/8422C-202
10
9
E . / Feed mechanism
T-8421C/8422C-202
3
2
4
5
7
6
910
1312
1817
15
14
16
18
21
2827
24
22
23
20
25
19
26
4947 48
50
30
29
52
34
31
8
33
32
35
36 37 38
46
45
11
51 54 53
40
39 44 43
1+
10
E . / Feed mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
<-, -> <For -3, -TF>
1+ SA3062001 1 FEED REGULATOR ASSY, 11
<-, -> <For -405, -407>
1+ SA2509001 1 FEED REGULATOR ASS
Y
2 SA2511001 2 GUIDE PLATE
3 062501016 4 SCREW PAN M5X10
4 SA2512001 1 SLIDE BLOCK ASS
Y
5 SA2515001 3 FELT
6 SA2516001 1 STOPEE
R
7 062060816 1 SCREW PAN M6X8
8 143611201 1 F-ROCKER CONNECTING ROD ASS
Y
9 143612100 1 FEED ROCKER CONNECTING ROD
10 118954000 1
NEEDLE BEARING
11 SA2518001 1 LEVEL FEED ECCENTRIC WHEEL 5
12 SA2585001 1
SET SCREW, SOCKET (FT) M6
13 S25236001 1 SET SCREW SOCKET (FT) M6X10
14 SA2521001 1
FEED ROCKER ARM 5
15 018062032 1
BOLT SOCKET M6X20
16 143613051 1
LIN
K
17 143616001 1
SHAFT
18 048060342 2 RETAINING RING E6
<-, -> <For -3, -TF>
19 S38422002 1
STITCH LENGTH DIAL, 4
<-, -> <For -405, -407>
20 S38427002 1
STITCH LENGTH DIAL, 5
21 SA3056001 1
FEED REGULATING STUD
22 142746122 1 FEED REGULATING SUPPORTE
R
23 129458202 1
SCREW SM4.76
24 108549001 1
O RING
25 S50098101 1
POSITIONING PIN
26 100328001 1
NOTCH SPRING
27 SA2523001 1
DIAL LOCK LEVE
R
28 S39830101 1
SPRING
29 SA2525001 1 FEED REGULATOR 5
30 016061031 2
SET SCREW SOCKET (CN) M6X10
31 SA2526001 1 CONNECTING ROD
32 SB1440001 1
ECCENTRIC SHAFT
33 012060636 1 SET SCREW SOCKET (FT) M6X6
34 SB1413001 1
SHOULDER SCREW M6
35 SA2529101 1
SHAFT, R-LEVER TR
36 048080342 1 RETAINING RING E8
37 025100132 1
WASHER PLAIN S 10
38 SA2530001 1
SPACE
R
45 104821001 1
RUBBER CAP, 10.5
46 062500816 2 SCREW PAN M5X8
47 SA2532001 1 STOPPE
R
48 062501216 1 SCREW PAN M5X12
49 025050236 1
WASHER PLAIN M 5
50 S07376001 1
FEED REGULATOR SPRING
51 SA2533001 1
SPRING HOO
K
52 062060816 1 SCREW PAN M6X8
53 062501216 1 SCREW PAN M5X12
54 021500106 1 NUT 1 M5
39 S07374101 1
REVERSE STITCHING LEVE
R
40 SA2531001 1
SPRING
43 SA6592001 1
SCREW M5
44 SA2541001 1
REVERSE STITCHING LEVER PLATE
T-8421C/8422C-202
10
11
F . / Quick reverse mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
1 SB1442001
QUICK REVERSE SOLENOID ASS
Y
3 154730001 RETAINING RING E15
4 154731000
RUBBER STOPPE
R
5 SA2535101
SOLENOID BRACKE
T
6 062500812 SCREW PAN M5X8
7 062061016 SCREW PAN M6X10
8 SA2992001
PIN
9 048060142
RETAINING RING EXTERNAL C6
10 153138001
WASHER, PLAIN 6.5
11 SA2536001
SOLENOID LEVER ASS
Y
12 SA2540001
QUICK REVERSE LEVE
R
13 016061031
SET SCREW SOCKET (CN) M6X10
14 SA2992001
PIN
15 012060636 SET SCREW SOCKET (FT) M6X6
16 SA2539001
SOLENOID LEVER SHAF
T
17 018062032
BOLT SOCKET M6X20
18 149095001
WASHER, PLAIN 6
19 153132000
NYLON TUBE, L=13.5
T-8421C/8422C-205
12
T-8421C/8422C-205
11
F . / Quick reverse mechanism
19
15
12
14
16
18 17
11
1
4
109 3
8
7
6
5
15
13
12
F . / Quick reverse mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
1 SB1442001
QUICK REVERSE SOLENOID ASS
Y
3 154730001 RETAINING RING E15
4 154731000
RUBBER STOPPE
R
5 SA2535101
SOLENOID BRACKE
T
6 062500812 SCREW PAN M5X8
7 062061016 SCREW PAN M6X10
8 SA2992001
PIN
9 048060142
RETAINING RING EXTERNAL C6
10 153138001
WASHER, PLAIN 6.5
11 SA2536001
SOLENOID LEVER ASS
Y
12 SA2540001
QUICK REVERSE LEVE
R
13 016061031
SET SCREW SOCKET (CN) M6X10
14 SA2992001
PIN
15 012060636 SET SCREW SOCKET (FT) M6X6
16 SA2539001
SOLENOID LEVER SHAF
T
17 018062032
BOLT SOCKET M6X20
18 149095001
WASHER, PLAIN 6
19 153132000
NYLON TUBE, L=13.5
T-8421C/8422C-205
12
13
G . / Feed shaft mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
1 SA3855001 1
BUSH, L: F-ROCKER SHAFT
2 SA3965001 1 FELT
3 SA4028001 1 WICK, 4X4 L=220
4 SA2543001 1
FEED ROCKER SHAFT BUSH,
R
5 108802001 1 WICK, 4X4 L=250
6 SA2544001 1
SET SCREW M6
7 012060636 1 SET SCREW SOCKET (FT) M6X6
8 SA2546001 2 SET SCREW COLLA
R
9 S23651001 4 SET SCREW SOCKET (FT) M6X6
10 SA3840001 1
FEED ROCKER SHAF
T
<-> <For T-8421C>
11+ SA6152101
FEED BAR ST FORK ASS
Y
<-> <For T-8422C>
11+ SA6150101 1
FEED BAR TR FORK ASS
Y
12 SA2927001 1
SCREW, M6X14
13 025060132 1
WASHER PLAIN S 6
14 SA2566001 1
SET SCREW, M3.5
15 021350106 1 NUT 1 M3.5
16 SA2553001 1
FORKED PLATE
17 SA2554001 1
A
DJUSTING SCREW, HIGH
T
18 062400616 1 SCREW PAN M4X6
19 SA3990001 1 FELT
20 SA3887001 1 FELT
21 SA3888001 1 FELT HOLDER
22 025030132 1
WASHER PLAIN S 3
23 062300416 1 SCREW PAN M3X4
24 SB1445001 1
FEED BAR SHAF
T
25 SA2551001 2
THRUST RING
26 012060636 1 SET SCREW SOCKET (FT) M6X6
27 SA2555001 1
FEED ROCKER BASE ARM
28 SA2928001 2
SCREW, M5X12
29 SA4538001 1 WICK 3X3 L=200
30 SA2806101 1
FEED BAR SLIDE BLOCK ASS
Y
31 SA6308001 4 SCREW FLAT #0 M2X4
32 SA4009001 1 WICK SUPPOR
T
33 062400616 2 SCREW PAN M4X6
34 SA2724001 1 WICK, L=400
35 SA4011001 1
OIL TUBE, L=100
T-8421C/8422C-211
14
T-8421C/8422C-211
13
G . / Feed shaft mechanism
7
6
9
8
9
8
4
5
34
35
32
9
9
2
1
10
31
31 30
33
17
15
14
25
20
23
28
1213
24
18
16
21
29
22
3
26
25
27
19
11+
14
G . / Feed shaft mechanism
REF.NO CODE Q'TY NAME OF PARTS RM
1 SA3855001 1
BUSH, L: F-ROCKER SHAFT
2 SA3965001 1 FELT
3 SA4028001 1 WICK, 4X4 L=220
4 SA2543001 1
FEED ROCKER SHAFT BUSH,
R
5 108802001 1 WICK, 4X4 L=250
6 SA2544001 1
SET SCREW M6
7 012060636 1 SET SCREW SOCKET (FT) M6X6
8 SA2546001 2 SET SCREW COLLA
R
9 S23651001 4 SET SCREW SOCKET (FT) M6X6
10 SA3840001 1
FEED ROCKER SHAF
T
<-> <For T-8421C>
11+ SA6152101
FEED BAR ST FORK ASS
Y
<-> <For T-8422C>
11+ SA6150101 1
FEED BAR TR FORK ASS
Y
12 SA2927001 1
SCREW, M6X14
13 025060132 1
WASHER PLAIN S 6
14 SA2566001 1
SET SCREW, M3.5
15 021350106 1 NUT 1 M3.5
16 SA2553001 1
FORKED PLATE
17 SA2554001 1
A
DJUSTING SCREW, HIGH
T
18 062400616 1 SCREW PAN M4X6
19 SA3990001 1 FELT
20 SA3887001 1 FELT
21 SA3888001 1 FELT HOLDER
22 025030132 1
WASHER PLAIN S 3
23 062300416 1 SCREW PAN M3X4
24 SB1445001 1
FEED BAR SHAF
T
25 SA2551001 2
THRUST RING
26 012060636 1 SET SCREW SOCKET (FT) M6X6
27 SA2555001 1
FEED ROCKER BASE ARM
28 SA2928001 2
SCREW, M5X12
29 SA4538001 1 WICK 3X3 L=200
30 SA2806101 1
FEED BAR SLIDE BLOCK ASS
Y
31 SA6308001 4 SCREW FLAT #0 M2X4
32 SA4009001 1 WICK SUPPOR
T
33 062400616 2 SCREW PAN M4X6
34 SA2724001 1 WICK, L=400
35 SA4011001 1
OIL TUBE, L=100
T-8421C/8422C-211
14
15
H . / Gauge parts
REF.NO CODE Q'TY NAME OF PARTS RM
1+ * P.63-72
NEEDLE CLAMP ASS
Y
2 116323001
SCREW, SM3.57
3+ * P.63-72 NEEDLE PLATE
4 S11244001
SCREW, SM4.37
<-, -, -> <For -3, -405, -407>
5+ 100032004
SCREW, FLAT SM4.37-40X8
<-> <For -TF>
5+ 117160001
SCREW, FLAT SM4.37
6+ * P.63-72 PRESSER FOOT ASS
Y
7 113050001
SCREW, SM3.57
8+ * P.63-72
FEED DOG
9 S07494001 2
SCREW, W/SOCKET SM3.18X7
<-> <For ->
10+ NEEDLE DPX5…(#14)
<-, -> <For -405, -407>
10+ NEEDLE DPX5…(#22)
<-> <For -TF>
10+ NEEDLE DPX5…(#11)
T-8421C/8422C-231
16
T-8421C/8422C-231
15
H . / Gauge parts
< / Without Thread trimmer> < / With Thread trimmer >
1+
9
8+
2
2
4
3+
76+
5+
9
8+
4
3+5+
10+
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