MODEL : LK-1900A
List No : 1368-05
PARTS LIST
Published:09/10/2017
CONTENTS
FRAME & MISCELLANEOUS COVER COMPONENTS ........................................................................................... 1
MAIM SHAFT & NEEDLE BAR COMPONENTS ......................................................................................................... 5
PRESSER LIFTER & WIPER COMPONENTS .............................................................................................................. 9
SHUTTLE DRIVER SHAFT COMPONENTS.................................................................................................................
THREAD TENSION COMPONENTS ................................................................................................................................
THREAD TRIMMER MECHANISM COMPONENTS...................................................................................................
FEED MECHANISM COMPONENTS................................................................................................................................
TC CLAMP COMPONENTS ................................................................................................................................................
SENSOR COMPONENTS .....................................................................................................................................................
THREAD STAND COMPONENTS.....................................................................................................................................
TABLE STAND COMPONENTS (JT-K44)....................................................................................................................
CONTROL BOX COMPONENTS ......................................................................................................................................
OPERATION PANEL COMPONENTS .............................................................................................................................
WIRING DIAGRAM ...................................................................................................................................................................
ACCESSORIE PART COMPONENTS.............................................................................................................................
EXCLUSIVE PARTS FOR LK-1901AS (1) ....................................................................................................................
EXCLUSIVE PARTS FOR LK-1901AS (2) ....................................................................................................................
EXCLUSIVE PARTS FOR LK-1902AS,LK-1902AH (1) ...........................................................................................
EXCLUSIVE PARTS FOR LK-1902AS,LK-1902AH (2)(TABLE STAND COMPONENTS/JT-K43).....
EXCLUSIVE PARTS FOR LK-1903AS-301,LK-1903AS-302 (1)........................................................................
EXCLUSIVE PARTS FOR LK-1903AS-301,LK-1903AS-302 (2)........................................................................
ACCESSORIES PARTS FOR LK-1900A SUBCLASSES........................................................................................
OPTION COMPONENTS (1) ...............................................................................................................................................
OPTION COMPONENTS (2) (FOR LK-1902A,LK-1903A).....................................................................................
LK-1903A:OPTION COMPONENTS(FOR SHANK BUTTON)...............................................................................
LIST FOR INFOMATION OF CHNGE (1).......................................................................................................................
HOW TO MAKE USE OF THIS PARTS LIST ...............................................................................................................
13
17
19
21
25
27
29
31
33
37
39
41
43
47
49
53
55
59
63
65
71
73
77
78
TOC - 1
82
81
80
14
79
48
48
49
49
50
50
50
50
50
50
55
55
55
11
20
44
46
53
23
28
27
26
25
24
61
63
58
56
67
68
62
72
74
76
76
57
65
73
78
75
71
70
70
59
66
60
77
69
64
54
54
52
51
47
45
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
21
22
19
16
18
17
15
12
10
9
9
8
7
6
5
13
4
3
1
2
FRAME & MISCELLANEOUS COVER COMPONENTS
- 1 -
FRAME & MISCELLANEOUS COVER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40006475 MOTOR COVER 1
2 SM5040855SN SCREW 4
3 40006478 UPSIDE COVER 1
4 SM4061255SP SCREW M6 L=12 6
5 40010404 PROTECTION_PLATE 1
6 SM4050855SP SCREW 3
7 40006487 BED COVER LEFT 1
8 40006488 BED COVER RIGHT 1
9 SM6040650TP SCREW M4 L=6 5
10 40006481 FACE COVER 1
11 22902506 FACE PLATE 1
12 SM4041055SP SCREW 2
13 40010405 CRANK_ROD_COVER 1
14 SM5040855SN SCREW 4
15 13816855 CYLINDER ARM CAP 1
16 13508700 HOOK COVER PRESSER SPRING PIN 1
17 13508809 HOOK COVER PRESSER SPRING A 1
18 13508908 HOOK COVER PRESSER SPRING B 1
19 SM5040855SN SCREW 1
20 SM6041150TP SCREW M4 L=11 3
21 B2707761000 HINGE STUD 2
22 SM8060612TP SCREW M6 L=6 4
23 14113468 BOBBIN THREAD TENSION ASM. 1
24 14113450 BOBBIN THREAD TENSION ROD ASM. * 1
25 B3126012000 THREAD TENSION DISK * 2
26 D7133555B00 CONNECTING ROD SPRING * 1
27 11072402 THREAD TENSION NUT * 1
28 NS6110310SP NUT 11/64-40 * 1
29 13816608 BALANCE COVER 1
30 SM4030855SN SCREW M3 L=8.0 2
31 40010414 THREAD_GUIDE_NO.1 1
32 SM4061255SP SCREW M6 L=12 1
33 B1111232000 THREAD GUIDE PLATE 1
34 SM4061255SP SCREW M6 L=12 1
35 40010571 L_SHAPED_THREAD_GUIDE_A 1
36 NM6040000SN NUT M4 1
37 22920508 ARM THREAD GUIDE A 1
38 SM6040650TP SCREW M4 L=6 1
39 13705108 TAKE-UP THREAD GUIDE B 1
40 SM6040860TP SCREW M4 L=8 1
41 B1129210000 FRAME THREAD GUIDE (B) 1
42 SM6040860TP SCREW M4 L=8 1
43 CM300200002 CAUTION LABEL(25) 1
44 SM4030601SN SCREW M3X6 1
45 CM301200001 SAFETY LABEL_S 1
46 10502300 THREAD CUTTER 1
47 10004109 GROUND MARK 1
- 2 -
82
81
80
14
79
48
48
49
49
50
50
50
50
50
50
55
55
55
11
20
44
46
53
23
28
27
26
25
24
61
63
58
56
67
68
62
72
74
76
76
57
65
73
78
75
71
70
70
59
66
60
77
69
64
54
54
52
51
47
45
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
21
22
19
16
18
17
15
12
10
9
9
8
7
6
5
13
4
3
1
2
FRAME & MISCELLANEOUS COVER COMPONENTS
- 3 -
FRAME & MISCELLANEOUS COVER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 TA0750704R0 RUBBER PLUG 2
49 TA0850604R0 RUBBER PLUG 2
50 TA1050504R0 RUBBER PLUG 6
51 TA1250406R0 RUBBER PLUG D=12.5 L=4 1
52 TA1270502R0 RUBBER PLUG 1
53 TA1470704R0 RUBBER PLUG 1
54 TA1550902R0 PLUG 2
55 TA2100904R0 RUBBER PLUG 3
56 26260000 BOBBIN WINDER UNIT 1
57 RC0560711KP RETAINING RING * 1
58 RE0400000K0 E-RING 4 * 1
59 26260802 BTW BEARING SPACER * 1
60 26261602 BOBBIN SPRING * 1
61 26261701 BTW SPRING * 1
62 26260109 BTW BASE * 1
63 26260208 BTW CAM PLATE * 1
64 26260901 BTW SHAFT * 1
65 26261008 BTW LEVER SHAFT * 1
66 26261107 BTW LEVER * 1
67 SM5040655SN SCREW * 1
68 WP0450826SC WASHER 4.5X10X0.8 * 1
69 26260307 BTW BASE SHAFT * 1
70 26261305 BTW BEARING * 2
71 26260406 BTW SHAFT BASE * 1
72 26261206 BTW SPACER * 1
73 26260505 BTW CAM LEVER * 1
74 SM8050502TP SCREW M5 L=5 * 1
75 26260604 BTW WHEEL * 1
76 SM8040802TP SCREW M4X8 * 2
77 26260703 BTW TORSION SPRING * 1
78 26261503 BTW WHEEL RUBBER * 1
79 40011928 CRANK ROD UNDER COVER 1
80 SM5040855SN SCREW 2
81 22901409 NEEDLE BAR UPPER BUSH CAP 1
82 CM100100001 OIL INJECTION PROHIBITION LABEL 1
- 4 -
77～79
35～38
35～38
15
15
20
19
17
52
39
14
14
8
7
11
18
18
81
81
81
16
2
2
47
42
56
83
82
82
21
43
44
44
34
34
26
51
29
28
59
67
80
71
70
72
76
75
74
69
73
63
64
62
61
60
4
4
4
4
27
54
53
55
41
41
40
84
22
32
31
33
30
23
23
24
25
50
49
48
46
45
13
12
66
66
68
68
65
10
10
9
3
3
58
58
57
6
5
1
MAIM SHAFT & NEEDLE BAR COMPONENTS
- 5 -
MAIM SHAFT & NEEDLE BAR COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40010572 MAIN SHAFT 1
2 40010415 BEARING_BUSH_A_ASM. 2
3 40010416 BEARING_BUSH_A * 2
4 SM8060812TP SCREW M6 L=8 * 4
5 SB120001800 BEARING 1
6 SB120001800 BEARING 1
7 SB120001700 BEARING 1
8 40010418 BEARING_BUSH_B_ASM. 1
9 40010419 BEARING_BUSH_B * 1
10 SM8060812TP SCREW M6 L=8 * 2
11 40031136 CRANK_ROD_ALL_ASM. 1
12 40010421 CRANK_ROD_SUPPORT_PLATE * 1
13 SM1030601SP SCREW M3 L=6 * 3
14 TA0670604R0 PLUG D=6.7 L=6 * 2
15 10108009 OIL SEAL * 2
16 40006561 OSCILLATOR * 1
17 40026818 WASHER * 1
18 SM8480652TP SCREW * 2
19 RE0800000K0 E-SHAPED SNAP RING (8MM) * 1
20 SM6060550TP SCREW M6 L=4.5 * 1
21 40006529 THREAD TAKE UP COMPL. 1
22 40006530 THREAD TAKE UP LEVER ASM. * 1
23 SB108002200 BEARING * 2
24 SB104001600 BEARING * 1
25 40006531 THREAD TAKE UP LEVER * 1
26 B1908505000 THREAD PASS BUSH * 1
27 40006534 NEEDLE BAR CRANK ROD ASM. * 1
28 22891006 NEEDLE BAR CRANK ROD METAL * 1
29 40006535 NEEDLE BAR CRANK ROD * 1
30 SB108002300 BEARING * 1
31 B1903552000 LEFT SCREW * 1
32 40006532 THREAD TAKE UP CRANK * 1
33 40006537 NEEDLE ROD CRANK * 1
34 22891204 BEARING SUPPORT 2
35 SB30700020A BEARING SELECTIVE PARTS 2
36 SB30700020B BEARING SELECTIVE PARTS 2
37 SB30700020C BEARING SELECTIVE PARTS 2
38 SB30700020D BEARING SELECTIVE PARTS 2
39 40010434 THRUST_COLLAR_ASM. 1
40 40010435 THRUST_COLLAR * 1
41 40010436 THRUST_COLLAR_SCREW * 2
42 40010533 BTW_DRIVING_WHEEL_ASM. 1
43 40010534 BTW_DRIVING_WHEEL * 1
44 40010533 BTW_DRIVING_WHEEL_ASM. * 2
45 40010423 COUNTER_WEIGHT 1
46 40006517 COUNTER_WEIGHT SCREW A 1
47 SM6081252TP BOLT M8 L=12 1
- 6 -
77～79
35～38
35～38
15
15
20
19
17
52
39
14
14
8
7
11
18
18
81
81
81
16
2
2
47
42
56
83
82
82
21
43
44
44
34
34
26
51
29
28
59
67
80
71
70
72
76
75
74
69
73
63
64
62
61
60
4
4
4
4
27
54
53
55
41
41
40
84
22
32
31
33
30
23
23
24
25
50
49
48
46
45
13
12
66
66
68
68
65
10
10
9
3
3
58
58
57
6
5
1
MAIM SHAFT & NEEDLE BAR COMPONENTS
- 7 -
MAIM SHAFT & NEEDLE BAR COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 SM8480652TP SCREW M6X0.75 L=6 1
49 SM6061200SP SCREW 1
50 WP0820516SP WASHER 11.6X8.2X0.6 1
51 40011902 THREAD_TAKE_UP_CRANK_SHAFT 1
52 40010437 CRANK_BALANCER_ASM. 1
53 40010439 CRANK_BALANCER_FIX_PLATE * 1
54 40010440 CRANK_BALANCER_FIX_PLATE_SCREW * 2
55 40010438 CRANK_BALANCER * 1
56 SL6052592TN BOLT 4
57 23604309 COUPLING 1
58 SM8060812TP SCREW M6 L=8 4
59 B1212210D00 PULLEY 1
60 B1144210000 REVOLVING DIRECTION LABEL 1
61 26500306 HAND PULLEY SHAFT 1
62 PS0400142KH SPRING PIN 4X14 1
63 A123050000A SET-SCREW 1
64 GAF01007000 SPRING 1
65 40006515 GEAR A 1
66 SM8040310SS SCREW M4 L=3 2
67 40006516 GEAR B 1
68 SM8040310SS SCREW M4 L=3 2
69 40010573 NEEDLE BAR 1
70 B1411552000 NEEDLE BAR CLAMP 1
71 SS6090670TP SCREW 9/64-40 L=6 1
72 B1414555000 SLIDE BLOCK 1
73 40010441 NEEDLE ROD METAL 1
74 40010442 NEEDLE ROD LOWER METAL 1
75 40010574 THREAD_GUIDE
76 D1405L7AM00 NEEDLE BAR THREAD GUIDE
77 MDP500B1100 NEEDLE DPX5 #11
78 MDP500B1400 NEEDLE DPX5 #14 FOR LK-1900AS 1
79 MDP170B2100 NEEDLE DPX17 #21
80 SM7030550TP SCREW M3 L=4.5 1
81 SM8480652TP SCREW M6X0.75 L=6 3
82 SM8060812TP SCREW M6 L=8 2
83 40028015 AC SERVO MOTOR 1
84 SM6061250TP SCREW M6 L=12 2
EXCEPT LK-1900AH,AW
FOR LK-1900AH,AW
FOR LK-1900AF,AM
FOR LK-1900AH,AW
1
1
1
1
- 8 -
2
50
43
49
48
38
38
13
36
39
44
47
46
45
42
41
40
37
31
35
34
33
30
29
28
27
24
26
32
23
25
21
22
20
19
18
16
17
15
15
14
9
7
5
6
12
11
10
8
4
3
1
PRESSER LIFTER & WIPER COMPONENTS
- 9 -
PRESSER LIFTER & WIPER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40029903 PRESSER LIFTING MOTOR 1
2 SM4051655SP SCREW M5 L=16 4
3 SB110002400 BEARING 1
4 SM6040802TP SCREW M4X0.7 L=8 1
5 23517501 NEEDLE CAM ROLLER A 1
6 40040256 CAM ROLLER SHAFT 1
7 NM6040001SP NUT M4X0.7 2
8 40006661 LIFTER LINK A ASM. 1
9 40006716 THREAD TRIMMER SHAFT 1
10 SM8060812TP SCREW M6 L=8 1
11 40023831 SPRING_RACK 1
12 SM4040855SP SCREW 1
13 13515606 SPRING 1
14 40006666 SENSOR SLIT ASM. 1
15 SM8050402TP SCREW 2
16 40010443 SENSOR_INSTALLING_BASE 1
17 SM6040802TP SCREW M4X0.7 L=8 1
18 HD00057000A PHOTO SENSOR 1
19 SL4031291SC SCREW M3X12 1
20 40006665 LIFTER LINK B 1
21 SD0800327TP HINGE SCREW D=8 H=3.2 1
22 NM6050001SP NUT M5 1
23 SD0700406TP HINGE SCREW D=7 H=4 1
24 40006671 CONNECTING ARM 1
25 SM6061802TP SCREW M6 L=18 1
26 40083882 CONNECTING SHAFT 1
27 40008693 LOWERING ARM 1
28 SM6061802TP SCREW M6 L=18 1
29 SD0790606TP HINGE SCREW D=7.94 H=6 1
30 NM6060001CP NUT M6 1
31 40006672 LOWERING FOOT 1
32 14104400 CONNECTING LINK 1
33 SD1000406TP HINGE SCREW D=10 H=4 2
34 40006674 WIPER CONNECTING LINK 1
35 SD0600206TP HINGE SCREW D=6 H=2 1
36 13509708 SPRING 1
37 40010451 WIPER_CONNECTING_ARM_ASM 1
38 RC0470611KP RETAINING RING 4.7 2
39 40010455 WIPER_CONNECTING_LINK_SHAFT 1
40 40010457 WIPER_STOPPER 1
41 40010458 WIPER_CONNECTING_PLATE 1
42 40017202 WIPER C ASM. 1
43 NM6060003SC NUT M6 1
44 RC0470611KP RETAINING RING 4.7 1
45 SD0640216TP HINGE SCREW D=6.35 H=2.1 1
46 40006678 WIPER BASE PLATE 1
47 SM4040855SP SCREW 1
- 10 -
2
50
43
49
48
38
38
13
36
39
44
47
46
45
42
41
40
37
31
35
34
33
30
29
28
27
24
26
32
23
25
21
22
20
19
18
16
17
15
15
14
9
7
5
6
12
11
10
8
4
3
1
PRESSER LIFTER & WIPER COMPONENTS
- 11 -
PRESSER LIFTER & WIPER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 WP0450801SP WASHER 1
49 WP0450801SP WASHER 1
50 WP0480856SP WASHER 4.8X8.4X0.8 1
- 12 -
39～42
39～42
66～68
45～47
16
58
34
10
55
57
56
5
4
3
2
6
65
9
9
9
64
14
36
61
62
1
60
15
12
12
11
13
63
59
50
51･52
43
38
38
37
37
35
71
24
25
26
18
44
30
32
31
27
33
23
28
29
22
53･69
48･49
54･70
21
20
19
17
8
8
7
SHUTTLE DRIVER SHAFT COMPONENTS
- 13 -
SHUTTLE DRIVER SHAFT COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 HX00150000D CABLE CLIP 1
2 40012127 OIL_PIPE_HOLDER 1
3 SM6040602TP SCREW M4 L=6 1
4 40013721 TUBE_CLAMP 1
5 SL4040891SC SCREW M4 L=8 1
6 40010464 THRUST_COLLAR_ASM. 1
7 40010467 THRUST_COLLAR * 1
8 40010469 THRUST_COLLAR_SCREW * 2
9 SB110002400 BEARING 3
10 40016077 LOWER_SHAFT_GEAR_ASM. 1
11 40006563 OSCILLATOR SHAFT 1
12 SM8060612TP SCREW M6 L=6 2
13 40010575 LOWER SHAFT 1
14 EA9500B0100 CABLE BAND 2
15 40006578 OIL WICK PRESSER 1
16 SM8060610TP SCREW 1
17 SM8060812TP SCREW M6 L=8 2
18 40006573 SHUTTLE ASM. 1
19 40089365 SHUTTLE * 1
20 B1820210D00 SHUTTLE OIL FELT,A * 2
21 B1821210D00 SHUTTLE OIL FELT,B * 1
22 B1822215P00 INNER HOOK PRESSER SPRING * 2
23 RE0300000K0 E-RING 3 * 2
24 26501858 INNER-HOOK-PRESSER ASM. * 2
25 14104004 ONCE THROUGH OIL FELT PRESSER * 1
26 SM6020460TP SCREW M2 L=3.5 * 2
27 14103907 SHUTTLE ONCE THROUGH OIL FELT * 1
28 40006577 SHUTTLE LUBRICATING PLATE * 1
29 SM4030455SP SCREW * 2
30 CQ200000000 OIL WICK * 2.6
31 CQ200000000 OIL WICK * 1.4
32 23630007 TUBE * 1
33 23630007 TUBE * 0.6
34 13529607 SHUTTLE PACKING * 2
35 40010471 SHUTTLE_RACE_ADJUSTING_SHAFT 1
36 SM6040650TP SCREW M4 L=6 1
37 40006575 SHUTTLE BEARING RING 2
38 40006576 SHUTTLE OIL SEAL 2
39 SB30800100A BEARING SELECTIVE PARTS 2
40 SB30800100B BEARING SELECTIVE PARTS 2
41 SB30800100C BEARING SELECTIVE PARTS 2
42 SB30800100D BEARING SELECTIVE PARTS 2
43 B1815210000 INNER HOOK UPPER SPRING 1
44 SM6020460TP SCREW M2 L=3.5 2
45 14103253 INNER HOOK PRESSER ASM., A
46 14103352 INNER HOOK PRESSER ASM., B FOR LK-1900AS 1
47 14103659 SHUTTLE RACE RING ASM.,C
FOR LK-1900AF,AM
FOR LK-1900AH,AW
1
1
- 14 -
39～42
39～42
66～68
45～47
16
58
34
10
55
57
56
5
4
3
2
6
65
9
9
9
64
14
36
61
62
1
60
15
12
12
11
13
63
59
50
51･52
43
38
38
37
37
35
71
24
25
26
18
44
30
32
31
27
33
23
28
29
22
53･69
48･49
54･70
21
20
19
17
8
8
7
SHUTTLE DRIVER SHAFT COMPONENTS
- 15 -
SHUTTLE DRIVER SHAFT COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 40011512 DRIVER_ASM.
49 40014963 SHUTTLE DRIVER ASM. FOR LK-1900AW 1
50 SS6121212TP SCREW 3/16-28 L=12.0 * 1
51 40011511 SHUTTLE_DRIVER
52 40010879 SHUTTLE DRIVER FOR LK-1900AW * 1
53 B18289800BB BOBBIN CASE ASM. (RACING PREVE)
54 13812102 BOBBIN
55 40010473 LOWER_SHAFT_GEAR_COVER_ASM. 1
56 40010474 LOWER_SHAFT_GEAR_COVER * 1
57 40010475 LOWER_SHAFT_GEAR_FELT * 1
58 SM8061050TP SCREW 1
59 SL4040891SC SCREW M4 L=8 2
60 SL4040891SC SCREW M4 L=8 1
61 HX00150000B CABLE CLIP 2
62 SL4040891SC SCREW M4 L=8 2
63 SM6040650TP SCREW M4 L=6 1
64 40006840 RUBBER BUSH 2
65 40006836 OIL TANK ASM. 1
66 40006580 SHUTTLE
67 40006581 SHUTTLE (H) FOR LK-1900AH 1
68 40014965 SHUTTLE(H) FOR LK-1900AW 1
69 B1828210DAA BOBBIN CASE ASM. FOR LK-1900AW 1
70 B1806210D00 BOBBIN FOR LK-1900AW 1
71 40010470 SHUTTLE_ASM_SCREW 1
EXCEPT LK-1900AW
EXCEPT LK-1900AW
EXCEPT LK-1900AW
EXCEPT LK-1900AW
EXCEPT LK-1900AH,AW
* 1
1
1
1
1
- 16 -
32
34
38
41
41
41
46
45
19
19
19
13
26
26
44
33
27
28
29
31
30
43
40
39
47
36
37
42
35
23
23
22
22
25
24
24
18
18
21
21
20
20
17
17
16
15
14
2
12
11
10
9
8
7
7
6
5
4
3
1
THREAD TENSION COMPONENTS
- 17 -
THREAD TENSION COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40006628 AT SOLENOID 1
2 SM6040602TP SCREW M4 L=6 4
3 RE0900000K0 E-RING 9 1
4 40006625 SPRING 1
5 40006617 AT SOL PIN 1
6 40010477 AT_SOL_COLLAR 1
7 SM8030412TP SCREW 2
8 40010479 AT_PLATE 1
9 SM6040802TN SCREW 2
10 WP0430801SC WASHER 4.3X9X0.8 2
11 40010482 AT_DRIVE_LINK(F)_ASM 1
12 40010492 AT_DRIVE_LINK(R)_ASM 1
13 40010495 AT_PIVOT_BASE(R) 1
14 SM6040602TP SCREW M4 L=6 2
15 40010486 AT_PIVOT_BASE(F) 1
16 SM6041050TP SCREW M4 L=10 2
17 40010487 AT_PIVOT_SCREW 2
18 NM6040003SC NUT M4 2
19 WP0400516UZ PLAIN WASHER 3
20 40010490 AT_PIVOT_BEARING 2
21 40010497 AT_JOINT 2
22 WP0400516UZ PLAIN WASHER 2
23 40010498 AT_JOINT_BEARING 2
24 NM6030003SC NUT M3 2
25 40010500 AT_CONNECTION_BAR 1
26 40006622 AT SNAP PIN 2
27 40010503 THREAD_TENSION_1_ASM 1
28 40010504 THREAD_TENSION_SHAFT * 1
29 22928808 NUT * 1
30 22921506 THREAD TENSION DISK * 2
31 26218602 FIRST_THREAD_TENSION_SPRING * 1
32 40010508 THREAD_TENSION_2_ASM 1
33 40010510 THREAD_TENSION_POST_BASE * 1
34 40010511 DISK_STOPPER_HOLDER_CAP * 1
35 40010512 THREAD_TENSION_SHAFT_COLLAR * 1
36 40010513 DISK_STOPPER_SP * 3
37 40010514 DISK_STOPPER * 1
38 40010515 ASSY_THREAD_TENSION_POST * 1
39 40010478 AT_SOL_COLLAR_SCREW * 1
40 22921605 THREAD TAKE-UP SPRING * 1
41 40010521 HOLD_CAP_SCREW * 3
42 40010522 SHAFT_NUT * 1
43 40010523 POST_BASE_C_RING * 1
44 40010509 THREAD_TENSION_SHAFT * 1
45 40013967 AT-FELT 1
46 SL4040681SC COMBINATION SCREW M4 X 8 1
47 SM8061612TP SCREW M6X16 1
- 18 -
18～20
A
A
22～24
36～40
44～47
13
3
11
2
2
32
21
25
28
43
42
41
35
34
33
31
30
29
27
26
8
15
14
17
16
12
10
9
7
4
6
5
1
THREAD TRIMMER MECHANISM COMPONENTS
- 19 -
THREAD TRIMMER MECHANISM COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40006711 THREAD TRIMMER CAM 1
2 SM8050592TP SCREW 2
3 WP0450801SP WASHER 1
4 40040256 CAM ROLLER SHAFT 1
5 NM6040001SP NUT M4X0.7 2
6 40006712 THREAD TRIMMER LINK ASM. 1
7 SD0800327TP HINGE SCREW D=8 H=3.2 1
8 NM6050001SP NUT M5 1
9 40006716 THREAD TRIMMER SHAFT 1
10 SM8060812TP SCREW M6 L=8 1
11 40006717 CONNECTING BAR 1
12 40010525 THREAD_TRIMMER_SENSOR_SLIT 1
13 SM6040802TP SCREW M4X0.7 L=8 1
14 HD002230000 PHOTO SENSOR 1
15 SL4041291SC SCREW M4 L=12 1
16 40010526 THREAD_TRIMMER_SENSOR_BASE 1
17 SM4040855SP SCREW 2
18 40006722 NEEDLE PLATE ASM.,A FOR LK-1900AS 1
19 40006723 NEEDLE PLATE ASM.,H
20 40006724 NEEDLE PLATE ASM.,E
21 B2417280000 THREAD CUTTER LEVER SHAFT * 1
22 B2426280000 NEEDLE HOLE GUIDE FOR LK-1900AS * 1
23 14109607 NEEDLE HOLE GUIDE
24 D2426282C00 NEEDLE HOLE GUIDE
25 SS1060210TP SCREW 3/32-56 L=2.2 * 2
26 40006721 NEEDLE PLATE * 1
27 B2424280000 FIXING KNIFE * 1
28 SS7090410SP SCREW 9/64-40 L= 3.5 * 2
29 B2418280000 MOVING KNIFE LINK * 1
30 B2416280000 THREAD CUTTING LEVER RING * 1
31 B24152800A0 THREAD CUTTER LEVER ASM.,SMALL * 1
32 B24142800A0 THREAD CUTTER LEVER ASM.,LARGE * 1
33 SS6110430TP SCREW 11/64-40 L= 4.0 * 1
34 WP0450846SP WASHER * 1
35 SS7110740TP SCREW 11/64-40 L=7 * 1
36 B242328000C MOVING KNIFE WASHER C SELECTIVE PARTS * 1
37 B242328000A MOVING KNIFE WASHER A SELECTIVE PARTS * 1
38 B242328000B MOVING KNIFE WASHER B SELECTIVE PARTS * 1
39 B242328000D MOVING KNIFE WASHER D SELECTIVE PARTS * 1
40 B242328000E MOVING KNIFE WASHER E SELECTIVE PARTS * 1
41 B24212800A0 MOVING KNIFE ASM. * 1
42 SD0500091TP HINGE SCREW D= 5.0 H= 0.9 * 1
43 SM1040650TP SCREW M4 L=6 4
44 26315606 NEEDLE CAM ROLLER A 1
45 26315705 NEEDLE CAM ROLLER B 1
46 26315804 NEEDLE CAM ROLLER C 1
47 26315903 NEEDLE CAM ROLLER D 1
FOR LK-1900AH,AW
FOR LK-1900AF,AM
FOR LK-1900AH,AW
FOR LK-1900AF,AM
* 1
* 1
1
1
- 20 -
71
7
5
50
49
49
49
48
48
51
82
81
12
16
45
45
57
57
42
39
76･77
74
75
72
70
69
61･63･65
62･64･66
60
60
58･59
67
68
56
55
53
53
54
52
73
78
79
80
44
43
41
40
34
36
35
33
38
27
30
28
29
26
25
24
22
23
21
37
20
19
18
18
17
4
4
1
32
13
31
15･46･47
14
11
8
2
6
10
10
9
3
FEED MECHANISM COMPONENTS
- 21 -
FEED MECHANISM COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40029901 X FEED MOTOR 1
2 SM4041655SP SCREW M4 L=16 4
3 26501403 X FEED GEAR 1
4 SM8060602TP SCREW M6X6 2
5 40029902 Y FEED MOTOR 1
6 SM6041150TP SCREW M4 L=11 2
7 40010536 Y_FEED_MOTOR_BASE 1
8 SM6041150TP SCREW M4 L=11 2
9 26501502 Y FEED GEAR 1
10 SM8060602TP SCREW M6X6 2
11 40006736 CLOTH FEED ARM 1
12 13516208 FEED DRIVING ARM SHAFT 1
13 SM8060812TP SCREW M6 L=8 1
14 26223305 SLIDE BLOCK STUD 1
15 B1414232000 SQUARE BLOCK 1
16 SM8060812TP SCREW M6 L=8 1
17 40006738 Y FEED SHAFT 1
18 B2509704000 BUSHING, REAR 2
19 26500009 Y FEED ARM 1
20 SS8660612TP SCREW 1/4-40 L=6 2
21 13517404 HINGE STUD 1
22 40006740 CLOTH FEED SUPPORT PLATE 1
23 SM6040650TP SCREW 3
24 40006737 CLOTH FEED PLATE 1
25 40006739 CLOTH FEED PRESSER PLATE 1
26 SM1040650TP SCREW M4 L=6 4
27 HD002230000 PHOTO SENSOR 1
28 SL4041281SC SCREW M4X0.7 L=12 1
29 14111702 SENSOR INSTALLING BASE 1
30 SM4040855SP SCREW 2
31 14111504 CROSSFEED SENSOR SLIT 1
32 SM6040650TP SCREW M4 L=6 1
33 HD00057000A PHOTO SENSOR 1
34 SL4031291SC SCREW M3X12 1
35 14111801 SENSOR INSTALLING BASE 1
36 SM4040855SP SCREW 1
37 14136402 LENGTHWISE FEED SENSOR SLIT 1
38 SS6110480SP SCREW 11/64-40 L=4.3 1
39 40039255 SUPPORT PLATE 1
40 SM6040802TP SCREW M4X0.7 L=8 2
41 40039013 FEED BRACKET B 1
42 B2549280000 WORK CLAMP FOOT MOUNTING BASE 7
43 B2548280000 BALL RETAINER 1
44 SS8150510TP SCREW 15/64-28 L= 4.7 1
45 40083885 WASHER 2
46 B141423200A CRANK SLIDE BLOCK SELECTIVE PARTS 1
47 B141423200B GUIDE ROLLER SELECTIVE PARTS 1
- 22 -
71
7
5
50
49
49
49
48
48
51
82
81
12
16
45
45
57
57
42
39
76･77
74
75
72
70
69
61･63･65
62･64･66
60
60
58･59
67
68
56
55
53
53
54
52
73
78
79
80
44
43
41
40
34
36
35
33
38
27
30
28
29
26
25
24
22
23
21
37
20
19
18
18
17
4
4
1
32
13
31
15･46･47
14
11
8
2
6
10
10
9
3
FEED MECHANISM COMPONENTS
- 23 -
FEED MECHANISM COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 40083884 THRUST COLLAR D=8 W=8 2
49 SM8050512TP SCREW M5 L=5 4
50 WP0450801SP WASHER 4
51 26204008 LIFTING LEVER RIGHT 1
52 26204107 LIFTING LEVER LEFT 1
53 14105407 CLOTH PRESSER SPRING 2
54 13518501 SPRING SUSPENSION 1
55 13518808 WORK CLAMP FOOT FACE PLATE 1
56 SS2110930SP SCREW 11/64-40 L=8.7 5
57 SS7110740TP SCREW 11/64-40 L=7 4
58 13533104 FINGER GUARD
59 13548300 FINGER GUARD
60 SS8080310TP SCREW 1/8-44 L=2.8 2
61 13518600 WORK CLAMP FOOT, RIGHT FOR LK-1900AS,AF 1
62 13518709 WORK CLAMP FOOT, LEFT FOR LK-1900AS,AF 1
63 13548102 WORK CLAMR FOOT. RIGHT
64 13548201 WORK CLAMR FOOT LEFT
65 13542915 WORK CLAMP FOOT, RIGHT FOR LK-1900AM 1
66 13543012 WORK CLAMP FOOT, LEFT FOR LK-1900AM 1
67 40006745 LEVER DRIVING PLATE L ASM. 1
68 40006747 LEVER DRIVING PLATE R ASM. 1
69 SM6061802TP SCREW M6 L=18 1
70 WP0621016SD WASHER 6.2X13X1 1
71 40010570 HIDDEN_PLATE 1
72 SM5030501SC SCREW M3 L=5 2
73 14116107 FEED PLATE A FOR LK-1900AS 1
74 14116206 FEED PLATE B FOR LK-1900AM 1
75 13554803 FEED PLATE
76 14116800 FEED PLATE H
77 14116404 FEED PLATE D FOR LK-1900AF,JE 1
78 SM3061052TP SCREW M6 L=10 1
79 WP0621016SD WASHER 6.2X13X1 1
80 40083883 LIFTING LEVER SHAFT B 1
81 SM4042055SP SCREW M4 L=20 2
82 WP0450801SP WASHER 2
EXCEPT LK-1900AH,AW
FOR LK-1900AH,AW
FOR LK-1900AH,AW
FOR LK-1900AH,AW
FOR LK-1900AH,AW
FOR LK-1900AF(EXCEPT JE)
1
1
1
1
1
1
- 24 -
20
36
35
34
30
31
32
32
33
33
29
28
27
26
25
24
23
22
22
21
19
18
17
16
9
13
15
14
12
11
6
1
10
8
8
5
7
4
3
2
TC CLAMP COMPONENTS
- 25 -
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