Juki LK1900S Parts Book
MODEL : LK-1900S Series
List No : 1729-01
PARTS LIST
Published:02/14/2019
CONTENTS
FRAME & MISCELLANEOUS COVER COMPONENTS ........................................................................................... 1
MAIN SHAFT & NEEDLE BAR COMPONENTS.......................................................................................................... 5
PRESSER LIFTER & WIPER COMPONENTS .............................................................................................................. 9
SHUTTLE DRIVER SHAFT COMPONENTS.................................................................................................................
THREAD TENSION COMPONENTS ................................................................................................................................
THREAD TRIMMER MECHANISM COMPONENTS...................................................................................................
FEED MECHANISM COMPONENTS................................................................................................................................
SENSOR COMPONENTS .....................................................................................................................................................
THREAD STAND COMPONENTS.....................................................................................................................................
TABLE STAND COMPONENTS (JT-K46)....................................................................................................................
CONTROL BOX COMPONENTS ......................................................................................................................................
OPERATION PANEL COMPONENTS .............................................................................................................................
WIRING DIAGRAM ...................................................................................................................................................................
ACCESSORIE PARTS COMPONENTS ..........................................................................................................................
EXCLUSIVE PARTS FOR LK-1903SS-301,LK-1903SS-302(1) .........................................................................
EXCLUSIVE PARTS FOR LK-1903SS-301,LK-1903SS-302(2) .........................................................................
ACCESSORIE PARTS FOR LK-1900S SUBCLASSES...........................................................................................
OPTION COMPONENTS (1) ...............................................................................................................................................
OPTION COMPONENTS (2) (FOR LK-1903S) ...........................................................................................................
OPTION COMPONENTS (3) (FOR LK-1903S SHANK BUTTON) ......................................................................
LIST FOR INFORMATION OF CHANGE........................................................................................................................
HOW TO MAKE USE OF THIS PARTS LIST ...............................................................................................................
13
17
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23
27
29
31
33
37
39
41
43
47
51
53
59
61
65
66
TOC - 1
51
51
51
51
86
92
91
89
90
88
1
45
29･85
15
83
84
18
17
56
20
19
16
80
79
5
4
9
9
7
30
53
82
81
14
48
49
49
50
50
50
87
11
52
44
46
23
28
27
26
25
24
61
63
58
67
68
62
72
74
76
76
57
65
73
78
75
71
70
70
59
66
60
77
69
64
54
54
55
55
47
43
42
41
40
39
38
37
36
35
34
33
32
31
21
22
12
10
8
6
13
3
2
FRAME & MISCELLANEOUS COVER COMPONENTS
- 1 -
FRAME & MISCELLANEOUS COVER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40189598 MOTOR COVER 1
2 SM5040855SN SCREW 4
3 40189591 UPSIDE COVER 1
4 SM4061255SP SCREW M6 L=12 6
5 40010404 PROTECTION_PLATE 1
6 SM4050855SP SCREW 3
7 40189592 BED_COVER_LEFT 1
8 40189593 BED_COVER_RIGHT 1
9 SM6040650TP SCREW M4 L=6 5
10 40189597 FACE COVER 1
11 22902506 PLATE 1
12 SM4041055SP SCREW 2
13 40010405 CRANK_ROD_COVER 1
14 SL6040892TN BOLT 2
15 40189595 CYLINDER_ARM_CAP_ASM. 1
16 13508700 HOOK COVER PRESSER SPRING PIN * 1
17 26221101 HOOK COVER PRESSER SPRING A * 1
18 40142677 CYLINDER ARM CAP PLATE * 1
19 SM3030552TN SCREW M3 L=5 * 2
20 40189596 CYLINDER ARM CAP * 1
21 40009290 HINGE STUD 2
22 SM8060612TP SCREW M6 L=6 4
23 40210742 BOBBIN THREAD TENSION ASSY 1
24 40214524 BOBBIN THREAD TENSION ROD ASSY * 1
25 22921506 THREAD TENSION DISK * 2
26 D7133555B00 CONNECTING ROD SPRING * 1
27 22945703 THREAD TENSION NUT * 1
28 NS6110310SP NUT 11/64-40 * 1
29 40189594 THREAD_TAKE_UP_LEVER_COVER FOR LK-1900S 1
30 SM4030855SN SCREW M3 L=8.0 2
31 40010414 THREAD_GUIDE_NO.1 1
32 SM4061255SP SCREW M6 L=12 1
33 26211904 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 SM6040650TP SCREW 1
41 B1129210000 FRAME THREAD GUIDE (B) 1
42 SM6040860TP SCREW M4 L=8 1
43 CM300200002 CAUTION LABEL(25) 1
44 SM4030601SN SCREW M3 L=6 1
45 40102261 SAFETY_LABEL_S 1
46 10502300 THREAD CUTTER 1
47 22901805 GROUND MARK 1
- 2 -
51
51
51
51
86
92
91
89
90
88
1
45
29･85
15
83
84
18
17
56
20
19
16
80
79
5
4
9
9
7
30
53
82
81
14
48
49
49
50
50
50
87
11
52
44
46
23
28
27
26
25
24
61
63
58
67
68
62
72
74
76
76
57
65
73
78
75
71
70
70
59
66
60
77
69
64
54
54
55
55
47
43
42
41
40
39
38
37
36
35
34
33
32
31
21
22
12
10
8
6
13
3
2
FRAME & MISCELLANEOUS COVER COMPONENTS
- 3 -
FRAME & MISCELLANEOUS COVER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 TA0750704R0 RUBBER PLUG 1
49 TA0850604R0 RUBBER PLUG 2
50 TA1050504R0 RUBBER PLUG 3
51 TA1250406R0 RUBBER PLUG D=12.5 L=4 4
52 SM6041150TP SCREW M4 L=11 3
53 13509807 OIL SHIELD CAP 1
54 TA1550902R0 PLUG 2
55 TA2100904R0 RUBBER PLUG 3
56 40189599 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 40189600 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 40142773 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 40142812 FACE_COVER_CUSHION 1
80 CM300200001 ATTENTION SEAL 1
81 22901409 NEEDLE BAR UPPER BUSH CAP 1
82 CM100100001 OIL INJECTION PROHIBITION LABEL 1
83 26221200 HOOK COVER PRESSER SPRING B ☆ 1
84 SM5040855SN SCREW 1
85 40189609 THREAD_TAKE_UP_LEVER_COVER_03 FOR LK-1903S 1
86 EA9500B0100 CABLE BAND 1
87 TA2100904R0 RUBBER PLUG 1
88 40193892 ASSY_LED_DEVICE 1
89 SM6040802TN SCREW 1
90 WP0430800SC WASHER M4 1
91 HX001500000 CLIP 4
92 SL4041091SC SCREW M4 L=10 4
- 4 -
68
24
67
27
27
26
21
22
23
23
29
30
31
32
34
34
28
33
25
19
20
38
51
53
52
43
43
46
37
37
11
9
12
16
16
13
17
14
6
15
15
10
8
66
63
4
2
2
39･40
47
41･42
54･69
58
44
35
50
49
55
48
59
18
62
61
60
3
3
3
3
65
64
7
45
45
36
5
5
57
57
56
1
MAIN SHAFT & NEEDLE BAR COMPONENTS
- 5 -
MAIN SHAFT & NEEDLE BAR COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40142678 MAIN_SHAFT 1
2 40142685 FRONT_BEARING 2
3 40010417 BEARING_BUSH_SCREW * 4
4 40142686 BACK_BEARING 1
5 SM8480652TP SCREW * 2
6 40112990 CRANK_ROD_ALL_ASM. 1
7 40110825 CRANK_ROD_SUPPORT_PLATE * 1
8 SM1030601SP SCREW M3 L=6 * 3
9 SM8480652TP SCREW * 2
10 SM8480652TP SCREW * 1
11 40112993 OSCILLATOR_ARM * 1
12 40030939 OSCILLATOR_PIN * 1
13 SM6060550TP SCREW M6 L=4.5 * 1
14 40026818 WASHER * 1
15 SM8060812TP SCREW M6 L=8 * 2
16 10108009 OIL SEAL * 2
17 RE0800000K0 E-RING 8 * 1
18 GAF01007000 SPRING 1
19 40142689 COUNTER_WEIGHT_COMPL. 1
20 40142691 COUNTER_WEIGHT * 1
21 40010424 COUNTER_WEIGHT_SCREW_A * 1
22 40010425 COUNTER_WEIGHT_SCREW_B * 1
23 40010426 COUNTER_WEIGHT_SCREW_C * 2
24 WP0820516SP WASHER 11.6X8.2X0.6 * 1
25 40110841 THRUST_COLLAR_ASM. * 1
26 40110842 THRUST_COLLAR * 1
27 SM80506A2TP SCREW M5 L=6 * 2
28 40142692 THREAD_TAKE_UP_COMPL. * 1
29 40142701 LEFT_HAND_SCREW * 1
30 40142697 NEEDLE_BAR_CRANK_ROD_COMPL. * 1
31 40142693 THREAD_TAKE_UP_ASM. * 1
32 40142696 NEEDLE_BAR_CRANK * 1
33 40142806 TAKE_UP_CRANK_ASM. * 1
34 RE0300000K0 E-RING 3 * 2
35 SM7030550TP SCREW M3 L=4.5 ☆ 1
36 40006515 GEAR A 1
37 SM8040310SS SCREW M4 L=3 2
38 40090058 SLIDE BLOCK 1
39 40136292 BTW_DRIVING_WHEEL_ASM. FOR LK-1900SS 1
40 40144697 BTW DRIVING WHEEL 03 ASM. FOR LK-1903SS 1
41 40136293 BTW_DRIVING_WHEEL FOR LK-1900SS * 1
42 40144696 BTW_DRIVING_WHEEL FOR LK-1903SS * 1
43 SM80506A2TP SCREW M5 L=6 * 2
44 40006516 GEAR B 1
45 SM8040310SS SCREW M4 L=3 2
46 40138137 IPM550W MOTOR 1
47 SL6052592TN BOLT 4
- 6 -
68
24
67
27
27
26
21
22
23
23
29
30
31
32
34
34
28
33
25
19
20
38
51
53
52
43
43
46
37
37
11
9
12
16
16
13
17
14
6
15
15
10
8
66
63
4
2
2
39･40
47
41･42
54･69
58
44
35
50
49
55
48
59
18
62
61
60
3
3
3
3
65
64
7
45
45
36
5
5
57
57
56
1
MAIN SHAFT & NEEDLE BAR COMPONENTS
- 7 -
MAIN SHAFT & NEEDLE BAR COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 40142705 NEEDLE_BAR_METAL 1
49 40142706 NEEDLE_BAR_LOWER_METAL 1
50 40010574 THREAD_GUIDE ☆ 1
51 22906457 NEEDLE BAR HOLDER ASM. 1
52 22906408 NEEDLE ROD HOLDER * 1
53 SS6090670TP SCREW 9/64-40 L=6 * 1
54 MDP500B1400 NEEDLE DPX5 #14 FOR LK-1900SS ☆ 1
55 40142704 NEEDLE_BAR 1
56 40142681 COUPLING ASM. 1
57 SM80608A2TP SCREW M6 L=8 * 4
58 40124986 PULLEY 1
59 A123050000A SET-SCREW 1
60 B1144210000 REVOLVING DIRECTION LABEL 1
61 26500306 HAND PULLEY SHAFT 1
62 PS0400142KH SPRING PIN 4X14 1
63 40110812 CRANK_BALANCER_ASM. 1
64 40110813 CRANK_BALANCER * 1
65 40010439 CRANK_BALANCER_FIX_PLATE * 1
66 40010440 CRANK_BALANCER_FIX_PLATE_SCREW * 2
67 40010470 SHUTTLE ASM SCREW 2
68 D1405L7AM00 NEEDLE BAR THREAD GUIDE FOR LK-1900SH ☆ 1
69 MDP170B2100 NEEDLE DPX17 #21 FOR LK-1900SH ☆ 1
- 8 -
24
2
17
11
43
29
48
38
38
13
36
39
44
47
46
45
42
41
40
37
31
35
34
33
30
28
27
26
32
23
25
21
22
20
19
18
16
15
15
14
9
7
5
6
12
10
8
4
3
1
PRESSER LIFTER & WIPER COMPONENTS
- 9 -
PRESSER LIFTER & WIPER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40139178 PRESSER LIFTING MOTOR 1
2 SM6051602TP SCREW M5X0.8 L=16 4
3 40209429 BEARING 1
4 SM6040650TP SCREW 1
5 40004254 UTT_CAM_ROLLER 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 26226209 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 40010450 LOWERING_FOOT 1
32 14104400 CONNECTING LINK 1
33 SD1000406TP HINGE SCREW D=10 H=4 2
34 40010460 WIPER CONNECTING LINK 1
35 SD0600206TP HINGE SCREW D=6 H=2 1
36 26218008 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 -
24
2
17
11
43
29
48
38
38
13
36
39
44
47
46
45
42
41
40
37
31
35
34
33
30
28
27
26
32
23
25
21
22
20
19
18
16
15
15
14
9
7
5
6
12
10
8
4
3
1
PRESSER LIFTER & WIPER COMPONENTS
- 11 -
PRESSER LIFTER & WIPER COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 WP0430800SD WASHER M4 1
- 12 -
39～42
14
12
51
52
35
30
32
49
49
50
50
59
58
9
9
9
16
68
34
10
55
57
56
5
4
3
2
6
65
64
36
61
62
1
60
15
11
13
63
47
48
43
38
38
37
37
18
67
24
25
26
44
31
27
33
23
28
29
22
53･69
46
54･70
66･72
21
20
19
45･71
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 SM6040502TP SCREW M4X0.7 L=5 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 40209429 BEARING 3
10 40213689 LOWER SHAFT GEAR ASM 1
11 40112994 OSCILLATOR_SHAFT 1
12 A4078009000 BAND (SMALL) 1
13 40010575 LOWER SHAFT 1
14 EA9500B0100 CABLE BAND 1
15 40006578 OIL WICK PRESSER 1
16 SM8061010TP SCREW 1
17 SM8060812TP SCREW M6 L=8 2
18 40010471 SHUTTLE_RACE_ADJUSTING_SHAFT 1
19 40089366 SHUTTLE_BLANK 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 40142719 FELT 2
36 SM6040650TP SCREW M4 L=6 1
37 40006575 SHUTTLE BEARING RING 2
38 40110856 SUTTLE_OIL_SEAL 2
39 SB3080010CA BEARING SELECTIVE PARTS 2
40 SB3080010CB BEARING SELECTIVE PARTS 2
41 SB3080010CC BEARING SELECTIVE PARTS 2
42 SB3080010CD BEARING SELECTIVE PARTS 2
43 B1815210000 INNER HOOK UPPER SPRING 1
44 SM6020460TP SCREW M2 L=3.5 2
45 14103352 INNER HOOK PRESSER ASM. B
46 40011512 DRIVER_ASM. 1
47 SS6121212TP SCREW 3/16-28 L=12.0 * 1
LK-1900SS,LK-1903SS
1
- 14 -
39～42
14
12
51
52
35
30
32
49
49
50
50
59
58
9
9
9
16
68
34
10
55
57
56
5
4
3
2
6
65
64
36
61
62
1
60
15
11
13
63
47
48
43
38
38
37
37
18
67
24
25
26
44
31
27
33
23
28
29
22
53･69
46
54･70
66･72
21
20
19
45･71
17
8
8
7
SHUTTLE DRIVER SHAFT COMPONENTS
- 15 -
SHUTTLE DRIVER SHAFT COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 40011511 SHUTTLE_DRIVER * 1
49 SM8480652TP SCREW 2
50 SM8480652TP SCREW 2
51 40196321 OSCILLATOR COVER ASM 1
52 SM5040855SN SCREW 2
53 B18289800BB
54 13812102 BOBBIN ☆ 1
55 40142687 LOWER_SHAFT_GEAR_COVER_ASM. 1
56 40142688 LOWER_SHAFT_GEAR_COVER * 1
57 40010475 LOWER_SHAFT_GEAR_FELT * 1
58 SL4040891SC SCREW M4 L=8 2
59 40110827 OSCILLATOR 1
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 40110846 SHUTTLE
67 40010470 SHUTTLE_ASM_SCREW 1
68 SM8061050TP SCREW 1
69 B1828210DAA BOBBIN CASE ASM. ☆ 1
70 B1806210D00 BOBBIN ☆ 1
71 14103659 SHUTTLE RACE RING ASM.,C LK-1900SH 1
72 40112995 SHUTTLE(H) LK-1900SH ☆ 1
BOBBIN CASE ASM. (RACING PREVENTION)
LK-1900SS,LK-1903SS
☆ 1
☆ 1
- 16 -
B
B
A
A
50
6
49
8
9
44
44
10
7
11
46
48
47
1
5
45
43
26
13
18
21
41
42
38
39
40
37
36
27
31
35
34
33
32
30
29
28
25
24
23
22
20
19
17
16
15
14
14
12
4
3
2
THREAD TENSION COMPONENTS
- 17 -
THREAD TENSION COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40216548 THREAD_RELEASE_SOL_BASE 1
2 SM6040802TP SCREW M4X0.7 L=8 3
3 WP0450801SD WASHER 4.5X10X0.8 3
4 40213534 THREAD_RELEASE_SOL_ASM 1
5 SM6040602TP SCREW M4X0.7 L=6 3
6 40216988 SOLENOID STOPPER PLATE
7 SM6040602TP SCREW M4X0.7 L=6 3
8 40209409 THREAD_RELEASE_LINK_A_ASM 1
9 40217279 PLUNGER PIN 1
10 NM6030001SB NUT M3X0.5 TYPE1 2
11 RC0740811KP C-RING 8 (7.4) 1
12 40209413 THREAD_RELEASE_LINK_B 1
13 40209407 ADJUSTING PLATE ASM B 1
14 RE0500000KP E-RING 5 2
15 40209404 ADJUSTING PLATE ASM A 1
16 SS9111010SP SCREW 11/64-40 L=9.5 1
17 WP0482086SD WASHER 4.8X11.5X2 1
18 CS1000881TP THRUST COLLAR D=10 W=8 1
19 SM8050602TP SCREW M5 L=6 2
20 B2545280000 PRESSURE SPRING 1
21 40217357 SPRING RACK 1
22 26501304 TENSION RELEASE BAR 1
23 RE0400000K0 E-RING 4 1
24 40209415 TENSION_RELEASE_BAR_GUIDE 1
25 SM6041050TP SCREW 2
26 40209418 THREAD_TENSION_ASM 1
27 22921308 THREAD TENSION NUT * 1
28 22921407 ROTATION STOPPER * 1
29 B3114232000 THREAD TENSION SPRING * 1
30 22921803 DISK STOPPER * 1
31 22921506 THREAD TENSION DISK * 2
32 40209417 THREAD_TENSION_POST * 1
33 22921605 THREAD TAKE-UP SPRING * ☆ 1
34 22945307 THREAD TENSION POST BASE * 1
35 SS8090670SP SCREW 9/64-40 L= 5.5 * 1
36 40209416 TENSION_RELEASE_PIN 1
37 SM80606A2TP SCREW M6 L=6 1
38 40010503 THREAD_TENSION_1_ASM 1
39 40010504 THREAD_TENSION_SHAFT * 1
40 22921506 THREAD TENSION DISK * 2
41 26218602 FIRST THREAD TENSION SPRING * 1
42 22928808 NUT * 1
43 D2468555B00 RUBBER PLUNGER 1
44 40218819 PLUNGER ROLLER 2
45 40216987 SOLENOID WASHER 1
46 40216549 THREAD RELEASE PIVOT BASE 1
47 SM6041002TP SCREW M4X0.7 L=10 2
FOR LK-1900SS,LK-1903SS
1
- 18 -
B
B
A
A
50
6
49
8
9
44
44
10
7
11
46
48
47
1
5
45
43
26
13
18
21
41
42
38
39
40
37
36
27
31
35
34
33
32
30
29
28
25
24
23
22
20
19
17
16
15
14
14
12
4
3
2
THREAD TENSION COMPONENTS
- 19 -
THREAD TENSION COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 WP0450000SD WASHER 4.5X8X0.5 2
49 40218514 RECEIVE PLATE 1
50 40219866 SOLENOID_STOPPER_PLATE FOR LK-1900SH 1
- 20 -
A
A
32～36
40～43
13
3
18･44
11
2
2
19
21
25
22･45
28
39
38
37
24
23
20
31
30
29
27
26
8
15
14
17
16
12
10
9
7
4
6
5
1
THREAD TRIMMER MECHANISM COMPONENTS
- 21 -
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