MODEL : DU-1281-7
List No : 1654-00
PARTS LIST
Published:07/01/2017
CONTENTS
FRAME & MISCELLANEOUS COVER COMPONENTS ........................................................................................... 1
MAIN SHAFT & UPRIGHT SHAFT COMPONENTS.................................................................................................. 5
NEEDLE BAR & THREAD TAKE-UP LEVER COMPONENTS ............................................................................. 7
UPPER FEED MECHANISM COMPONENTS ............................................................................................................... 9
PRESSURE BAR & KNEE LIFTER COMPONENTS ..................................................................................................
LOWER FEED MECHANISM COMPONENTS ..............................................................................................................
FEED ADJUSTMENT MECHANISM COMPONENTS................................................................................................
HOOK DRIVE SHAFT COMPONENTS ...........................................................................................................................
THREAD TRIMMER COMPONENTS ...............................................................................................................................
OIL LUBRICATION MECHANISM COMPONENTS....................................................................................................
ACCESSORIES COMPONENTS (1).................................................................................................................................
ACCESSORIES COMPONENTS (2).................................................................................................................................
HOW TO MAKE USE OF THIS PARTS LIST ...............................................................................................................
13
15
17
21
23
27
29
31
33
TOC - 1
→P11
Y
P11←
Z
A
A
53
58
57
57
57
90
89
88
88
87
87
86
86
84
85
83
48
75
18
64
63
65
67
69
70
72
68
66
73
74
71
76
81
80
79
78
77
36
36
36
82
42
46
46
61
61
44
47
43
41
50
59
45
56
52
51
49
62
60
55
54
2
1
3
3
19
21
21
20
22
28
28
25
6
7
35
35
14
14
26
26
30
29
9
34
5
12
32
33
13
4
15
27
11
31
10
24
40
17
16
37
38
39
23
8
FRAME & MISCELLANEOUS COVER COMPONENTS
- 1 -
FRAME & MISCELLANEOUS COVER COMPONENTS
No. Supply Code Parts No. Replacement Parts name Remarks Choice Step
1 40148388 STOPPER PIN 1
2 40148389 SPRING SUSPENSION 1
3 40148390 BED SCREW STUD 3
4 40148391
5 40148392 SPRING SUSPENSION 1
6 40148393 FACE PLATE 1
7 40148394 THREAD GUIDE 1
8 40148395 TOP COVER 1
9 40148396
10 40148397 OIL SIGHT WINDOW 1
11 40148398
12 40148399
13 40148433
14 40148432 SPACER 2
15 40148431
16 40148430 SCREW M4X0.7 L=5 1
17 40148429 SPACER 1
18 40148405 SLIDE PLATE ASM. 1
19 40148406 SLIDE PLATE * 1
20 40148407 SLIDE PLATE SPRING * 1
21 40148408 SCREW 3/32-56 L=2.2 * 2
22 40148409 THROAT PLATE 1
23 40148410 PACKING 1
24 40148428 SPRING 1
25 40148412 SCREW M4X0.7 L=35 1
26 40148413 SCREW M4X0.7 L=20 2
27 40148414 SCREW 11/64-40 L=12 8
28 40148415
29 40148416
30 40148417 SCREW 9/64-40 L=6 1
31 40148418 SCREW 11/64-40 L=8 1
32 40148417 SCREW 9/64-40 L=6 1
33 40148420 SCREW 9/64-40 L=7.5 1
34 40148421 SCREW 15/64-28 L=12 1
35 40148422 RUBBER PLUG 2
36 40148423 RUBBER PLUG 3
37 40148424 DIAL ASM. 1
38 40148425 DIAL * 1
39 40148426 DIAL PLATE * 1
40 40148427 STOPPER PIN 1
41 40148451 SIDE COVER 1
42 40148452 SCALE BASE PLATE 1
43 40148453 PACKING 1
44 40148414 SCREW 11/64-40 L=12 4
45 40148455 GRAND MARK 1
46 40148416
SPRING LOCK WASHERS
THREAD TAKE-UP LEVER COVER
THREAD GUIDE (UPPER)
THREAD GUIDE (CENTER)
THREAD GUIDE (LOWER)
VERTICAL ADJUSTING CAM
SCREW 11/64-40 L=8.3
SCREW 11/64-40 L=5.5
SCREW 11/64-40 L=5.5
Level
Cons
Qty
Rep.
QTY
2
1
1
1
1
1
2
1
4
- 2 -
→P11
Y
P11←
Z
A
A
53
58
57
57
57
90
89
88
88
87
87
86
86
84
85
83
48
75
18
64
63
65
67
69
70
72
68
66
73
74
71
76
81
80
79
78
77
36
36
36
82
42
46
46
61
61
44
47
43
41
50
59
45
56
52
51
49
62
60
55
54
2
1
3
3
19
21
21
20
22
28
28
25
6
7
35
35
14
14
26
26
30
29
9
34
5
12
32
33
13
4
15
27
11
31
10
24
40
17
16
37
38
39
23
8
FRAME & MISCELLANEOUS COVER COMPONENTS
- 3 -
FRAME & MISCELLANEOUS COVER COMPONENTS
No. Supply Code Parts No. Replacement Parts name Remarks Choice Step
47 40148457 WASHER 9X0.8 D=4.6 4
48 40148458 RUBBER PLUG 1
49 40148459 RUBBER PLUG 1
50 40148460 RUBBER PLUG 1
51 40148461 RUBBER PLUG 1
52 40148461 RUBBER PLUG 1
53 40148463 RUBBER PLUG 1
54 40148464 RUBBER PLUG 1
55 40148464 RUBBER PLUG 1
56 40148466 RUBBER PLUG 1
57 40148467 RUBBER PLUG 3
58 40148468 RUBBER PLUG 1
59 40148469 RUBBER PLUG 1
60 40148470 FELT 1
61 40148471 SCREWM5-0.8 L=12 2
62 40148472 FELT 1
63 40148886
64 40148887
65 40148888
66 40148889 SPRING A * 1
67 40148890 TENSION DISK * 2
68 40148891
69 40148892 TENSION SPRING * 1
70 40148893 NUT 1/4-40 * 1
71 40148894
72 40148895
73 40148896 SCREW 9/64-40 L=4 * 1
74 40148897 O-RINGS 15 * 1
75 40148898 SCREW 15/64-28 L=6 1
76 40148899
77 40148900
78 40148901
79 40148902 TENSION DISK * 2
80 40148903 TENSION SPRING * 1
81 40148904 NUT 11/64-40 * 1
82 40148905 SCREW 11/64-40 L=5 1
83 40148906
84 40148988 BELT COVER STUD 1
85 40148994 RUBBER RING 1
86 40148823 CORD HOLDER 2
87 40148457 WASHER 9X0.8 D=4.6 2
88 40148522
89 40148523
90 40148524 SCREW M6-1 L=8 1
THREAD TENSION
REGULATOR ASM.
THREAD TENSION POST BRACKET
THREAD TENSION POST
TENSION REGULAT
OR PRESSER DISK
TENTION RELEASING PIN
TENSION DISK STOPPER
THREAD TENSION
REGULATOR ASM.
UPPER THREAD TENSION PLATE
THREAD TENSION POST
TENTION RELEASING PIN
SCREW 11/64-40 L=6.5
CORD HOLDER SUPPORT PLATE
Level
Cons
* 1
* 1
* 1
* 1
* 1
* 1
* 1
Qty
Rep.
QTY
1
1
1
1
1
- 4 -
V
P7←
P10←
W
P11←
X
A
A
1
2
22
22
21
21
13
12
14
4
20
20
11
33
32
32
31
3
17
8
18
16
15
23
30
30
28
28
27
36
24
25
29
29
26
37
10
34
9
19
19
35
5
7
6
38
39
39
MAIN SHAFT & UPRIGHT SHAFT COMPONENTS
- 5 -
MAIN SHAFT & UPRIGHT SHAFT COMPONENTS
No. Supply Code Parts No. Replacement Parts name Remarks Choice Step
1 40148473 MAIN SHAFT 1
2 40148474 CAP 1
3 40148475
4 40148476
5 40148477
6 40148478
7 40148479 OIL SEAL * 1
8 40148480 COUNTERWEIGHT 1
9 40148481 FEED CAM 1
10 40148482
11 40148483 BALANCE WEIGHT 1
12 40148484 THRUST COLLAR 1
13 40148485 BEVEL GEAR LARGE 1
14 40148486 SCREW 15/64-28 L=7 1
15 40148487
16 40148488 SCREW 9/32-28 L=12 1
17 40148489 SCREW 1/4-40 L=7 1
18 40148490 SCREW 1/4-40 L=4.5 1
19 40148491 SCREW 1/4-40 L=8 2
20 40148492 SCREW 1/4-40 L=6 2
21 40148490 SCREW 1/4-40 L=4.5 2
22 40148489 SCREW 1/4-40 L=7 2
23 40148495 O-RINGS 6 1
24 40148496 UPRIGHT SHAFT 1
25 40148497
26 40148498 BEVEL GEAR SMALL 1
27 40148499 BEVEL GEAR LARGE 1
28 40148500
29 40148501 SCREW 1/4-40 L=6 2
30 40148501 SCREW 1/4-40 L=6 2
31 40148503 DRIVING CAM 1
32 40148491 SCREW 1/4-40 L=8 2
33 40148505 CONNECTING ROD 1
34 40148506 FEED ROD 1
35 40148507
36 40148508
37 40148509 SCREW 11/32-28 L=6 1
38 40148512 HAND WHEEL 1
39 40148511 SCREW 15/64-28 L=18 2
MAIN SHAFT BUSHING FRONT
MAIN SHAFT BUSHING CENTER
MAIN SHAFT BUSHING REAR ASM.
MAIN SHAFT BUSHING REAR
RETAINING RINGS-C TYPE 20
SCREW 9/32-28 L=13.5
UPRIGHT SHAFT BUSHING
SCREW 15/64-28 L=8.5
REVERSE SEWING CRANK
UPRIGHT SHAFT BUSHING
Level
Cons
* 1
Qty
Rep.
QTY
1
1
1
1
1
1
2
1
1
- 6 -
14
4
5
6
7
8
25
9
24
23
22
17
16
20
19
18
21
11
2
12
15
1
13
3
10
NEEDLE BAR & THREAD TAKE-UP LEVER COMPONENTS
- 7 -
NEEDLE BAR & THREAD TAKE-UP LEVER COMPONENTS
No. Supply Code Parts No. Replacement Parts name Remarks Choice Step
1 40148528 NEEDLE BAR 1
2 40148529
3 40148530
4 40148531
5 40148532
6 40148533
7 40148534
8 40148535 SPRING * 1
9 40148536 SLIDE BLOCK 1
10 40148537
11 40148538
12 40148539 NEEDLE DPX17-22 1
13 40148540 SCREW 9/64-40 L=6 1
14 40148521 SCREW 11/64-40 L=8 2
15 40148542 SCREW 1/8-44 L=4.6 1
16 40148543
17 40148544 OIL GUARD RUBBER 1
18 40148545
19 40148546
20 40148547 SCREW 15/64-28 L=11 1
21 40148548 FELT 1
22 40148549
23 40148550
24 40148551 SCREW 9/64-40 1
25 40148521 SCREW 11/64-40 L=8 1
NEEDLE BAR THREAD GUIDE
NEEDLE BAR CONNECTION
NEEDLE BAR CONN
ECTING LINK GUIDE ASM.
NEEDLE BAR CONN
ECTING LINK GUIDE
THREAD RELEASING PLATE
TENSION RELEASING PIN
NEEDLE BAR BUSHING UPPER
NEEDLE BAR BUSHING LOWER
THREAD TAKE-UP LEVER
THREAD TAKE-UP LEVER LINK
THREAD TAKE-UP
LEVER LINK PIN
NEEDLE BAR CRANK SHAFT
NEEDLE BAR CRANK ROD
Level
Cons
* 1
* 1
* 1
Qty
Rep.
QTY
1
1
1
1
1
1
1
1
1
1
- 8 -
P9←
U
→P3
V
P10←
T
A
A
90
36
33
7
37
74
75
61
61
45
45
44
40
56
56
57
57
39
67
55
31
66
52
68
29
30
51
32
27
50
28
73
38
54
59
34
58
53
53
35
41
43
60
42
63
49
48
47
46
62
62
65
64
88
88
87
89
86
78
80
72
83
82
69
79
81
71
84
77
85
70
76
6
24
12
23
23
14
14
15
25
25
26
26
17
13
16
18
19
1
2
3
4
22
20
21
5
9
8
10
11
UPPER FEED MECHANISM COMPONENTS
- 9 -
UPPER FEED MECHANISM COMPONENTS
No. Supply Code Parts No. Replacement Parts name Remarks Choice Step
1 40148553
2 40148554 BUSHING FRONT 1
3 40148555 BUSHING REAR 1
4 40148556
5 40148557 UPPER FEED LINK A 1
6 40148558 UPPER FEED LINK B 1
7 40148559
8 40148560 SHAFT A 1
9 40148561 SHAFT B ASM. 1
10 40148562 SHAFT B * 1
11 40148563 OIL WICK * 1
12 40148564 SHAFT C 1
13 40148565 SHAFT 1
14 40148566 BUSHING 2
15 40148567 THRUST COLLAR 1
16 40148568 SPRING 1
17 40148569 PIN 1
18 40148570
19 40148570
20 40148572 SCREW 15/64-28 L=14 1
21 40148573 SCREW 11/64-40 L=4 1
22 40148573 SCREW 11/64-40 L=4 1
23 40148575 SCREW 3/16-28 L=15 4
24 40148576
25 40148570
26 40148490 SCREW 1/4-40 L=4.5 2
27 40148579 ROD 1
28 40148580 HOLDER 1
29 40148581 SCREW 9/64-40 L=5 1
30 40148582 OIL WICK 1
31 40148583 BELL CRANK LINK 1
32 40148584 BELL CRANK SHAFT 1
33 40148585 BELL CRANK 1
34 40148586 BUSHING 1
35 40148587 PIN A 1
36 40148588 PIN B 1
37 40148589 SLIDE FORK 1
38 40148590 OIL WICK 1
39 40148591 SLIDE FORK PIN 1
40 40148592 ROD 1
41 40148593 FEED ARM 1
42 40148594
43 40148595
44 40148596 SUPPORTING PLATE 1
45 40148597 WASHER 2
46 40148598
FEED ROCKER SHAFT COM.
DRIVING SHAFT ARM FRONT
DRIVING SHAFT ROD FRONT
SCREW 11/64-40 L=5.5
SCREW 11/64-40 L=5.5
RETAINING RINGS-C TYPE 10
SCREW 11/64-40 L=5.5
WALKING FOOT GUIDE LINK
WALKING FOOT (STANDARD)
PRESSER REGULATING BRACKET
Level
Cons
Qty
Rep.
QTY
1
1
1
1
1
1
1
1
1
1
- 10 -