Juki LK-1900B Manual

Name: Juki LK-1900B
Brand: Juki
SKU: 8326641
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LK-1900B Series

PARTS LIST

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No.1653-05

HOW TO MAKE USE OF THIS PARTS LIST

1.Explanation of codes

1)"*"mark	............means this part is changed from the previous parts book.
	As to the details of the change,refer to "List for information of change".
2)"#01".................	refer to "Note" explanation at bottom of page.

2.Codes on the "Qty" column

Each numeral indicates the number of parts required.

"0.1" and "2.5" indicate the length (in meters) of the respective parts.

3.Parentheses mean that the corresponding part is a subpart that constructs an assembly part. 4.Dotted lines on the Figures indicate assembly parts.

5.As to the parts with marks of " "(consumable parts) and " "(optional parts)on the respective parts, it is recommended to prepare spares.

." "" " .........

" ""#01"................ " "

. 0.1 2.5

. " " " "


1.	FRAME & MISCELLANEOUS COVER COMPONENTS....................................................................................................		1

2.	MAIN SHAFT & NEEDLE BAR COMPONENTS.................................................................................................................		3

3.	PRESSER LIFTER & WIPER COMPONENTS...................................................................................................................		5

4.	SHUTTLE DRIVER SHAFT COMPONENTS......................................................................................................................		7

5.	THREAD TENSION COMPONENTS..................................................................................................................................		9

6.	THREAD TRIMMER MECHANISM COMPONENTS........................................................................................................		11

7.	FEED MECHANISM COMPONENTS...............................................................................................................................		13

8.	TC CLAMP COMPONENTS .............................................................................................................................................		15

9.	SENSOR COMPONENTS ................................................................................................................................................		17

10.		THREAD STAND COMPONENTS..................................................................................................................................	18

11.		TABLE STAND COMPONENTS (JT-K46)......................................................................................................................	19

12.		CONTROL BOX COMPONENTS ...................................................................................................................................	21

13.		OPERATION PANEL COMPONENTS............................................................................................................................	23

14.		WIRING DIAGRAM.........................................................................................................................................................	25

15.		ACCESSORIE PARTS COMPONENTS.........................................................................................................................	27

16.		EXCLUSIVE PARTS FOR LK-1901BS (1)......................................................................................................................	29
	LK-1901BS
17.		EXCLUSIVE PARTS FOR LK-1901BS (2)......................................................................................................................	31
	LK-1901BS
18.		EXCLUSIVE PARTS FOR LK-1902BS,LK-1902BH........................................................................................................	33
	LK-1902BS,LK-1902BH
19.		EXCLUSIVE PARTS FOR LK-1903BS-301,LK-1903BS-302(1).....................................................................................	35
	LK-1903BS-301,LK-1903BS-302
20.		EXCLUSIVE PARTS FOR LK-1903BS-301,LK-1903BS-302(2).....................................................................................	37

LK-1903BS-301,LK-1903BS-302

21.	EXCLUSIVE PARTS FOR LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF(1) ..............................................................	39
LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF
22.	EXCLUSIVE PARTS FOR LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF(2) ..............................................................	41
LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF
23.	EXCLUSIVE PARTS FOR LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF(3) ..............................................................	43
LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF
24.	EXCLUSIVE PARTS FOR LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF(4) ..............................................................	45
LK-1903B-BS-301,LK-1900B-BS,LK-1900B-BF
25.	AIR COMPONENTS........................................................................................................................................................	47

26.	ACCESSORIE PARTS FOR LK-1900B SUBCLASSES .................................................................................................	49
LK-1900B
27.	OPTION COMPONENTS (1) ..........................................................................................................................................	51

28.	OPTION COMPONENTS (2) (FOR LK-1902B,LK-1903B) .............................................................................................	53
)
29.	OPTION COMPONENTS (3) (FOR LK-1903B SHANK BUTTON) .................................................................................	55

30.	LIST FOR INFORMATION OF CHANGE........................................................................................................................	57

NUMERICAL INDEX OF PARTS........................................................................................................................................		58

1.FRAME & MISCELLANEOUS COVER COMPONENTS

6 7

6 8 6 6

6 2
7 2											2 2
7 2
		6 5						2 7
6 4		6 9	5 6					2 6			2 1
	6 1	6 0	5 6					2 5		2 3
		6 0								2 3			1
6 3								2 4					1
								2 4
								2 8
7 0		7 3						2 8					2
7 0		7 3											2
5 9		7 4				4 4
5 9		7 7
7 0		7 7					3
7 0										4
7 1						4 6				4
7 1		5 7				4 6
5 8		5 7
7 5		7 6		5 2
		7 6
		7 6
7 8		7 6
7 8
			3 0				1 3		1 4
		9	3 0						1 4
		9
	4 5	7			2 9	8 5
	4 5	7
8 2					5 5
			8 1										5
			5 4	5 0									5
			5 4	5 0	4 8
		4 9	5 4		4 8
		4 9
5 1	5 1	5 5
5 1	5 1												6
											4 7		6
											4 7
4 8					8 0
	7 9				8 0
	7 9					8 6
1 0		5 3				8 6
1 0		5 3									4 9
											4 9	3 1
1 2												3 1	3 2
1 2											3 3		3 2
											3 3
1 1												3 4
1 1
		3 9
		4 0								8 7	4 3
		1 7								8 7	9
		1 7									9
5 1	1 6
5 1					5 0		4 1 4 2		3 7
		1 8			5 0	3 6	4 1 4 2	5 0	3 7	3 8			8
1 5		2 0	8 3			3 6	3 5
1 5			8 3				3 5

	1 9		8 4
	1 9

- 1 -

REF.NO		NOTE		PART NO	D E S C R I P T I O N		Qty

1			400-06475		MOTOR COVER	1
2				SM-5040855-SN	SCREW	4
3			400-06478		UPSIDE COVER	1
4				SM-4061255-SP	SCREW M6 L=12	6
5			400-10404		PROTECTION_PLATE	1
6				SM-4050855-SP	SCREW	3
7			400-06487		BED COVER LEFT	1
8			400-06488		BED COVER RIGHT	1
9				SM-6040650-TP	SCREW M4 L=6	5
10			400-06481		FACE COVER	1
11			229-02506		FACE PLATE	1
12				SM-4041055-SP	SCREW	2
13			400-10405		CRANK_ROD_COVER	1
14				SL-6040892-TN	BOLT	2
15			401-42674		CYLINDER_ARM_CAP_ASM.	1
16			135-08700		HOOK COVER PRESSER SPRING PIN	(1)
17			262-21101		HOOK COVER PRESSER SPRING A	(1)
18			401-42677		CYLINDER ARM CAP PLATE	(1)
19				SM-3030552-TN	SCREW M3 L=5	(2)
20			401-42675		CYLINDER ARM CAP	(1)
21			400-09290		HINGE STUD	2
22				SM-8060612-TP	SCREW M6 L=6	4
23			141-13468		BOBBIN THREAD TENSION ASM.	1
24			141-13450		BOBBIN THREAD TENSION ROD ASM.	(1)
25				B3126-012-000	THREAD TENSION DISK	(2)
26				D7133-555-B00	CONNECTING ROD SPRING	(1)
27			110-72402		THREAD TENSION NUT	(1)
28				NS-6110310-SP	NUT 11/64-40	(1)
29	#01		400-30828		THREAD_TAKE_UP_LEVER_COVER	1
30				SM-4030855-SN	SCREW M3 L=8.0	2
31			400-10414		THREAD_GUIDE_NO.1	1
32				SM-4061255-SP	SCREW M6 L=12	1
33			262-11904		THREAD GUIDE PLATE	1
34				SM-4061255-SP	SCREW M6 L=12	1
35			400-10571		L_SHAPED_THREAD_GUIDE_A	1
36				NM-6040000-SN	NUT M4	1
37			229-20508		ARM THREAD GUIDE A	1
38				SM-6040650-TP	SCREW M4 L=6	1
39			137-05108		TAKE-UP THREAD GUIDE B	1
40				SM-6040650-TP	SCREW	1
41				B1129-210-000	FRAME THREAD GUIDE (B)	1
42				SM-6040650-TP	SCREW	1
43				CM-3002000-02	CAUTION LABEL(25)	1
44				SM-4030601-SN	SCREW M3 L=6	1
45			401-02261		SAFETY_LABEL_S	1
46			105-02300		THREAD CUTTER	1
47			229-01805		GROUND MARK	1
48				TA-0750704-R0	RUBBER PLUG	2
49				TA-0850604-R0	RUBBER PLUG	2
50				TA-1050504-R0	RUBBER PLUG	3
51				TA-1250406-R0	RUBBER PLUG D=12.5 L=4	3
52				SM-6041150-TP	SCREW M4 L=11	3
53			135-09807		OIL SHIELD CAP	1
54				TA-1550902-R0	PLUG	2
55				TA-2100904-R0	RUBBER PLUG	2
56			401-42740		BOBBIN_WINDER_UNIT	1
57				RC-0560711-KP	RETAINING RING	(1)
58				RE-0400000-K0	E-RING 4	(1)
59			262-60802		BTW BEARING SPACER	(1)
60			262-61602		BOBBIN SPRING	(1)
61			262-61701		BTW SPRING	(1)
62			262-60109		BTW BASE	(1)
63			262-60208		BTW CAM PLATE	(1)
64			262-60901		BTW SHAFT	(1)
65			262-61008		BTW LEVER SHAFT	(1)
66			262-61107		BTW LEVER	(1)
67				SM-5040655-SN	SCREW	(1)
68				WP-0450826-SC	WASHER 4.5X10X0.8	(1)
69			262-60307		BTW BASE SHAFT	(1)
70			262-61305		BTW BEARING	(2)
71			401-42773		BTW_SHAFT_BASE	(1)
72			262-61206		BTW SPACER	(1)
73			262-60505		BTW CAM LEVER	(1)
74				SM-8050502-TP	SCREW M5 L=5	(1)
75			262-60604		BTW WHEEL	(1)
76				SM-8040802-TP	SCREW M4X8	(2)
77			262-60703		BTW TORSION SPRING	(1)
78			262-61503		BTW WHEEL RUBBER	(1)
79			401-42812		FACE_COVER_CUSHION	1
80				CM-3002000-01	ATTENTION SEAL	1
81			229-01409		NEEDLE BAR UPPER BUSH CAP	1
82				CM-1001000-01	OIL INJECTION PROHIBITION LABEL	1
83			262-21200		HOOK COVER PRESSER SPRING B	1
84				SM-5040855-SN	SCREW	1
85	#02		401-44258		THREAD_TAKE_UP_LEVER_COVER	1
86				TA-1470704-R0	RUBBER PLUG	1
87	#03			TA-2100904-R0	RUBBER PLUG	1
				NOTE( )	#01....EXCEPT LK-1903B
					#02....FOR LK-1903B
					#03....FOR LK-1901B,LK-1903B

- 2 -

2.MAIN SHAFT & NEEDLE BAR COMPONENTS

			3 8	2 7	2 7		2 5		3
					2 7				3
					2 6
	4 8		2 8		2 6			1 9
			2 8					1 9

			3 4			2 1			3
	6 9		3 4	2 2			2 3		2
	6 9			2 2			2 3		2
			3 4
	4 6		3 3				2 3
			3 3			2 0	2 3
	6 8		3 2		2 4	2 0
			3 0	3 1
	3 5		2 9	3 1
	3 5		2 9						6 4
									6 4
	4 9								6 5	6 6
	4 9								6 7	6 6
5 1		5 0			4 7			2	6 7
5 1		5 0			4 7			2
5 2	5 4							3
								3

6 0

5 9

6 3

6 1

6 2

3 9 4 0

4 3

4 1 4 2

1 2

1 3

				3
		1		3 7
1 8				3 7
1 8	4 5
	4 5
	4 4
4 5				5 8
				5 8
	3 6
3 6	5 5		5
			5	5 6
				5 6
				5 8
	1 0		5	5 7
			5
	1 5		8
	1 5		4
			7
	1 5		6
			6
9	1 4	1 7
9	1 4
	1 6
	1 6
1 1

- 3 -

REF.NO		NOTE		PART NO	D E S C R I P T I O N		Qty

1			401-42678		MAIN_SHAFT	1
2			401-42685		FRONT_BEARING	2
3			400-10417		BEARING_BUSH_SCREW	(4)
4			401-42686		BACK_BEARING	1
5				SM-8480652-TP	SCREW	(2)
6			401-12990		CRANK_ROD_ALL_ASM.	1
7			401-10825		CRANK_ROD_SUPPORT_PLATE	(1)
8				SM-1030601-SP	SCREW M3 L=6	(3)
9				SM-8480652-TP	SCREW	(2)
10				SM-8480652-TP	SCREW	(1)
11			401-12993		OSCILLATOR_ARM	(1)
12			400-30939		OSCILLATOR_PIN	(1)
13				SM-6060550-TP	SCREW M6 L=4.5	(1)
14			400-26818		WASHER	(1)
15				SM-8060812-TP	SCREW M6 L=8	(2)
16			101-08009		OIL SEAL	(2)
17				RE-0800000-K0	E-SHAPED SNAP RING (8MM)	(1)
18				GAF-01007000	SPRING	1
19			401-42689		COUNTER_WEIGHT_COMPL.	1
20			401-42691		COUNTER_WEIGHT	(1)
21			400-10424		COUNTER_WEIGHT_SCREW_A	(1)
22			400-10425		COUNTER_WEIGHT_SCREW_B	(1)
23			400-10426		COUNTER_WEIGHT_SCREW_C	(2)
24				WP-0820516-SP	WASHER 11.6X8.2X0.6	(1)
25			401-10841		THRUST_COLLAR_ASM.	(1)
26			401-10842		THRUST_COLLAR	(1)
27				SM-80506A2-TP	SCREW M5 L=6	(2)
28			401-42692		THREAD_TAKE_UP_COMPL.	(1)
29			401-42701		LEFT_HAND_SCREW	(1)
30			401-42697		NEEDLE_BAR_CRANK_ROD_COMPL.	(1)
31			401-42693		THREAD_TAKE_UP_ASM.	(1)
32			401-42696		NEEDLE_BAR_CRANK	(1)
33			401-42806		TAKE_UP_CRANK_ASM.	(1)
34				RE-0300000-K0	E-RING 3	(2)
35				SM-7030550-TP	SCREW M3 L=4.5	1
36				SM-8040310-SS	SCREW M4 L=3	2
37			401-38137		IPM550W MOTOR	1
38			400-10470		SHUTTLE_ASM._SCREW	2
39	#05		401-36292		BTW_DRIVING_WHEEL_ASM.	1
40	#06		401-44697		BTW DRIVING WHEEL 03 ASM.	1
41	#05		401-36293		BTW_DRIVING_WHEEL	(1)
42	#06		401-44696		BTW_DRIVING_WHEEL	(1)
43				SM-80506A2-TP	SCREW M5 L=6	(2)
44			400-06516		GEAR B	1
45				SM-8040310-SS	SCREW M4 L=3	2
46				SS-6090670-TP	SCREW 9/64-40 L=6	1
47			400-90058		SLIDE BLOCK	1
48			401-42705		NEEDLE_BAR_METAL	1
49			401-42706		NEEDLE_BAR_LOWER_METAL	1
50	#02		400-10574		THREAD_GUIDE	1
51	#03			D1405-L7A-M00	NEEDLE BAR THREAD GUIDE	1
52	#04			MDP-500B1100	NEEDLE DPX5 #11	1
53	#01			MDP-500B1400	NEEDLE DPX5 #14	1
54	#03			MDP-170B2100	NEEDLE DPX17 #21	1
55			400-06515		GEAR A	1
56				SL-6052592-TN	BOLT	4
57			401-42681		COUPLING ASM.	1
58				SM-80608A2-TP	SCREW M6 L=8	(4)
59				B1212-210-D00	PULLEY	1
60				B1144-210-000	REVOLVING DIRECTION LABEL	1
61			265-00306		HAND PULLEY SHAFT	1
62				PS-0400142-KH	SPRING PIN 4X14	1
63				A1230-500-00A	SET-SCREW	1
64			401-10812		CRANK_BALANCER_ASM.	1
65			400-10439		CRANK_BALANCER_FIX_PLATE	(1)
66			400-10440		CRANK_BALANCER_FIX_PLATE_SCREW	(2)
67			401-10813		CRANK_BALANCER	(1)
68			401-42704		NEEDLE_BAR	1
69				B1411-552-000	NEEDLE BAR CLAMP	1
				NOTE( )	#01....FOR LK-1900BS
					#02....EXCEPT LK-1900BH,BW
					#03....FOR LK-1900BH,BW
					#04....FOR LK-1900BF,BM
					#05....EXCEPT LK-1903B
					#06....FOR LK-1903B

- 4 -

3.PRESSER LIFTER & WIPER COMPONENTS

2 6

3 5

2 5

	3 4					2 8
						2 8
3 8	3 6		3 0
	3 6		3 0
						2 7
3 8	4 0	2 4
3 9		3 3
	3 7		3 2
			3 2			2 9
4 1		2 1				2 9
4 1		2 1
4 4	4 5				3 1	4 3
				1 0		4 3
	4 2

		2 0
		2 0			8
					8
						2 2
4 8
4 6	4 7		9
			1 3
		1 2		7
				7
		1 1	1 6		5	6
		1 1	1 8			6
			1 8
2 3				1 7
		1 9		1 7
		1 9
		1 5
		1 5			2
		1 4				1
		4				1
		4
		4 9
			3

- 5 -

REF.NO		NOTE PART NO		D E S C R I P T I O N		Qty

1	401-39178			PRESSER LIFTING MOTOR	1
2			SM-6051602-TP	SCREW M5X0.8 L=16	4
3			SB-1100024-00	BEARING	1
4			SM-6040802-TP	SCREW M4X0.7 L=8	1
5	400-04254			UTT_CAM_ROLLER	1
6	400-40256			CAM ROLLER SHAFT	1
7			NM-6040001-SP	NUT M4X0.7	2
8	400-06661			LIFTER LINK A ASM.	1
9	400-06716			THREAD TRIMMER SHAFT	1
10			SM-8060812-TP	SCREW M6 L=8	1
11	400-23831			SPRING_RACK	1
12			SM-4040855-SP	SCREW	1
13	262-26209			SPRING	1
14	400-06666			SENSOR SLIT ASM.	1
15			SM-8050402-TP	SCREW	2
16	400-10443			SENSOR_INSTALLING_BASE	1
17			SM-6040802-TP	SCREW M4X0.7 L=8	1
18			HD-0005700-0A	PHOTO SENSOR	1
19			SL-4031291-SC	SCREW M3X12	1
20	400-06665			LIFTER LINK B	1
21			SD-0800327-TP	HINGE SCREW D=8 H=3.2	1
22			NM-6050001-SP	NUT M5	1
23			SD-0700406-TP	HINGE SCREW D=7 H=4	1
24	400-06671			CONNECTING ARM	1
25			SM-6061802-TP	SCREW M6 L=18	1
26	400-83882			CONNECTING SHAFT	1
27	400-08693			LOWERING ARM	1
28			SM-6061802-TP	SCREW M6 L=18	1
29			SD-0790606-TP	HINGE SCREW D=7.94 H=6	1
30			NM-6060001-CP	NUT M6	1
31	400-10450			LOWERING_FOOT	1
32	141-04400			CONNECTING LINK	1
33			SD-1000406-TP	HINGE SCREW D=10 H=4	2
34	400-10460			WIPER CONNECTING LINK	1
35			SD-0600206-TP	HINGE SCREW D=6 H=2	1
36	262-18008			SPRING	1
37	400-10451			WIPER_CONNECTING_ARM_ASM.	1
38			RC-0470611-KP	RETAINING RING 4.7	2
39	400-10455			WIPER_CONNECTING_LINK_SHAFT	1
40	400-10457			WIPER_STOPPER	1
41	400-10458			WIPER_CONNECTING_PLATE	1
42	400-17202			WIPER C ASM.	1
43			NM-6060003-SC	NUT M6	1
44			RC-0470611-KP	RETAINING RING 4.7	1
45			SD-0640216-TP	HINGE SCREW D=6.35 H=2.1	1
46	400-06678			WIPER BASE PLATE	1
47			SM-4040855-SP	SCREW	1
48			WP-0450801-SP	WASHER	1
49			WP-0450801-SP	WASHER	1

- 6 -

4.SHUTTLE DRIVER SHAFT COMPONENTS

- 7 -

REF.NO		NOTE		PART NO	D E S C R I P T I O N			Qty

1				HX-0015000-0D	CABLE CLIP		1
2			400-12127		OIL_PIPE_HOLDER		1
3				SM-6040502-TP	SCREW M4X0.7 L=5		1
4			400-13721		TUBE_CLAMP		1
5				SL-4040891-SC	SCREW M4 L=8		1
6			401-69068		THRUST_COLLAR_ASM		1
7			401-69069		THRUST_COLLAR		(1)
8				SM-8480652-TP	SCREW		(2)
9				SB-1100024-00	BEARING		3
10			401-10830		LOWER_SHAFT_GEAR_ASM.		1
11			401-12994		OSCILLATOR_SHAFT		1
12				SM-8060612-TP	SCREW M6 L=6		2
13			400-10575		LOWER SHAFT		1
14				EA-9500B01-00	CABLE BAND		1
15			400-06578		OIL WICK PRESSER		1
16				SM-8061010-TP	SCREW		1
17				SM-8060812-TP	SCREW M6 L=8		2
18			400-10471		SHUTTLE_RACE_ADJUSTING_SHAFT		1
19			401-81174		SHUTTLE_ASM	( )	1
20				B1820-210-D00	SHUTTLE OIL FELT A		(2)
21				B1821-210-D00	SHUTTLE OIL FELT B		(1)
22				B1822-215-P00	INNER HOOK PRESSER SPRING		(2)
23				RE-0300000-K0	E-RING 3		(2)
24			265-01858		INNER HOOK PRESSER ASM.		(2)
25			141-04004		ONCE THROUGH OIL FELT PRESSER		(1)
26				SM-6020460-TP	SCREW M2 L=3.5		(2)
27			141-03907		SHUTTLE ONCE THROUGH OIL FELT		(1)
28			400-06577		SHUTTLE LUBRICATING PLATE		(1)
29				SM-4030455-SP	SCREW		(2)
30				CQ-2000000-00	OIL WICK		(2.6)
31				CQ-2000000-00	OIL WICK		(1.4)
32			236-30007		TUBE		(1)
33			236-30007		TUBE		(0.6)
34			135-29607		SHUTTLE PACKING		(2)
35			401-42719		FELT		(2)
36			400-89365		SHUTTLE		(1)
37			400-06575		SHUTTLE BEARING RING		2
38			401-10856		SUTTLE_OIL_SEAL		2
39	#01			SB-3080010-CA	BEARING		2
40	#01			SB-3080010-CB	BEARING		2
41	#01			SB-3080010-CC	BEARING		2
42	#01			SB-3080010-CD	BEARING		2
43				B1815-210-000	INNER HOOK UPPER SPRING		1
44				SM-6020460-TP	SCREW M2 L=3.5		2
45	#02		141-03253		INNER HOOK PRESSER ASM. A		1
46	#03		141-03352		INNER HOOK PRESSER ASM. B		1
47	#06		141-03659		SHUTTLE RACE RING ASM. C		1
48	#08		400-11512		DRIVER_ASM.		1
49	#07		400-14963		SHUTTLE DRIVER ASM.		1
50				SS-6121212-TP	SCREW 3/16-28 L=12.0		(1)
51	#08		400-11511		SHUTTLE_DRIVER		(1)
52	#07		400-10879		SHUTTLE DRIVER		(1)
53	#08			B1828-980-0BB	BOBBIN CASE ASM. (RACING PREVENTION)		1
54	#08		138-12102		BOBBIN		1
55			401-42687		LOWER_SHAFT_GEAR_COVER_ASM.		1
56			401-42688		LOWER_SHAFT_GEAR_COVER		(1)
57			400-10475		LOWER_SHAFT_GEAR_FELT		(1)
58				SL-4040891-SC	SCREW M4 L=8		2
59			401-10827		OSCILLATOR		1
60				SL-4040891-SC	SCREW M4 L=8		1
61				HX-0015000-0B	CABLE CLIP		2
62				SL-4040891-SC	SCREW M4 L=8		2
63				SM-6040650-TP	SCREW M4 L=6		1
64			400-06840		RUBBER BUSH		2
65			400-06836		OIL TANK ASM.		1
66	#05		401-10846		SHUTTLE		1
67	#04		401-12995		SHUTTLE(H)	( )	1
68	#07		400-14965		SHUTTLE(H)		1
69	#07			B1828-210-DAA	BOBBIN CASE ASM.		1
70	#07			B1806-210-D00	BOBBIN		1
71			400-10470		SHUTTLE_ASM_SCREW		1
72				SM-8061050-TP	SCREW		1
73				SM-8480652-TP	SCREW		2
74				SM-8480652-TP	SCREW		2
75				A4078-009-000	BAND (SMALL)		1
76				SM-6040650-TP	SCREW M4 L=6		1
				NOTE( )	#01....SELECTIVE PARTS
					#02....FOR LK-1900BF,BM
					#03....FOR LK-1900BS
					#04....FOR LK-1900BH
					#05....EXCEPT LK-1900BH,BW
					#06....FOR LK-1900BH,BW
					#07....FOR LK-1900BW
					#08....EXCEPT LK-1900BW

- 8 -

5.THREAD TENSION COMPONENTS

2 4

2 2 2 1

2 3

		1 7
2 6		2 0
		2 0
	1 1
		1 9
1 6		1 9
	1 5	1 8
	1 5

		2 2	1 7
			1 7
		2 3	2 0
			2 0
	2 4	2 1	2 6
	2 4
	4 6
	4 5		1 2
			1 2
			1 9
2 5		1 3
	3	1 3	1 8
1	4
1	5
	5
			1 4

	7
4 4	6	7		1 0
4 4	6	7		9
	4 0			9
	4 0
		4 3	3 2	8
		4 3		8
	3 3			2
	3 3
	3 9	3 8	4 1
	3 9
	4 1	4 1
	4 7	4 1	3 6	3 4
	4 7		3 6
			3 7	3 5
2 7				3 5
				4 2

2 8

3 0

3 1 2 9

- 9 -

REF.NO		NOTE PART NO		D E S C R I P T I O N		Qty

1	401-42273			AT SOLENOID	1
2			SM-6040802-TP	SCREW M4X0.7 L=8	4
3			RE-0900000-K0	E-RING 9	1
4	400-06625			SPRING	1
5	400-06617			AT SOL PIN	1
6	400-10477			AT_SOL_COLLAR	1
7			SM-8030412-TP	SCREW	2
8	400-10479			AT_PLATE	1
9			SM-6040802-TP	SCREW M4X0.7 L=8	2
10			WP-0450801-SD	WASHER 4.5X10X0.8	2
11	400-10482			AT_DRIVE_LINK(F)_ASM.	1
12	400-10492			AT_DRIVE_LINK(R)_ASM.	1
13	400-10495			AT_PIVOT_BASE(R)	1
14			SM-6040602-TP	SCREW M4 L=6	2
15	400-10486			AT_PIVOT_BASE(F)	1
16			SM-6041050-TP	SCREW M4 L=10	2
17	400-10487			AT_PIVOT_SCREW	2
18			NM-6040003-SC	NUT M4	2
19	400-10489			AT_PIVOT_SCREW_WASHER	3
20	400-10490			AT_PIVOT_BEARING	2
21	400-10497			AT_JOINT	2
22	400-10489			AT_PIVOT_SCREW_WASHER	2
23	400-10498			AT_JOINT_BEARING	2
24			NM-6030001-SC	NUT M3X0.5 TYPE1	2
25	400-10500			AT_CONNECTION_BAR	1
26	400-06622			AT SNAP PIN	2
27	400-10503			THREAD_TENSION_1_ASM.	1
28	400-10504			THREAD_TENSION_SHAFT	(1)
29	229-28808			NUT	(1)
30	229-21506			THREAD TENSION DISK	(2)
31	262-18602			FIRST_THREAD_TENSION_SPRING	(1)
32	400-10508			THREAD_TENSION_2_ASM.	1
33	400-10510			THREAD_TENSION_POST_BASE	(1)
34	400-10511			DISK_STOPPER_HOLDER_CAP	(1)
35	400-10512			THREAD_TENSION_SHAFT_COLLAR	(1)
36	400-10513			DISK_STOPPER_SPRING	(3)
37	400-10514			DISK_STOPPER	(1)
38	400-10515			ASSY_THREAD_TENSION_POST	(1)
39	400-10478			AT_SOL_COLLAR_SCREW	(1)
40	229-21605			THREAD TAKE-UP SPRING	(1)
41	400-10521			HOLD_CAP_SCREW	(3)
42	400-10522			SHAFT_NUT	(1)
43	400-10523			POST_BASE_C_RING	(1)
44	400-10509			THREAD_TENSION_SHAFT	(1)
45	400-13967			AT-FELT	1
46			SL-4040681-SC	SCREW M4 L=6	1
47			SM-80606A2-TP	SCREW M6 L=6	1

- 10 -

6.THREAD TRIMMER MECHANISM COMPONENTS

1 7

1 6

1 4

1 1

	2 5	4 3
A	2 5
A	2 2	2 4
	2 2	2 4
	2 6

		2
4
4 4	4 7	1 0
		1 0

1 5	9
		5
	1 2
8	3
8	1 3	6
		6

	2 7
2 1
	2 8
	2 9		1 8	2 0
3 0		3 6	4 0
3 1		4 1
	A	4 2
		4 2
	3 2
3 3	3 4
3 3	3 5
	3 5

- 11 -

REF.NO		NOTE PART NO			D E S C R I P T I O N		Qty

1			401-42728		THREAD_TRIMMER_CAM	1
2				SM-8050592-TP	SCREW	2
3				WP-0450801-SP	WASHER	1
4			400-40256		CAM ROLLER SHAFT	1
5				NM-6040001-SP	NUT M4X0.7	2
6			400-06712		THREAD TRIMMER LINK ASM.	1
7				SD-0800327-TP	HINGE SCREW D=8 H=3.2	1
8				NM-6050001-SP	NUT M5	1
9			400-06716		THREAD TRIMMER SHAFT	1
10				SM-8060812-TP	SCREW M6 L=8	2
11			400-06717		CONNECTING BAR	1
12			400-10525		THREAD_TRIMMER_SENSOR_SLIT	1
13				SM-6040802-TP	SCREW M4X0.7 L=8	1
14				HD-0022300-00	PHOTO SENSOR	1
15				SL-4041291-SC	SCREW M4 L=12	1
16			400-10526		THREAD_TRIMMER_SENSOR_BASE	1
17				SM-4040855-SP	SCREW	2
18	#01		401-42720		NEEDLE PLATE ASM A	1
19	#02		401-42721		NEEDLE PLATE ASM H	1
20	#03		401-42722		NEEDLE PLATE ASM E	1
21				B2417-280-000	THREAD CUTTER LEVER SHAFT	(1)
22	#01			B2426-280-000	NEEDLE HOLE GUIDE	(1)
23	#02		141-09607		NEEDLE HOLE GUIDE	(1)
24	#03			D2426-282-C00	NEEDLE HOLE GUIDE	(1)
25				SS-1060210-TP	SCREW 3/32-56 L=2.2	(2)
26			401-42725		NEEDLE PLATE	(1)
27				B2424-280-000	FIXING KNIFE	(1)
28				SS-7090410-SP	SCREW 9/64-40 L=3.5	(2)
29				B2418-280-000	MOVING KNIFE LINK	(1)
30				B2416-280-000	THREAD CUTTING LEVER RING	(1)
31				B2415-280-0A0	THREAD CUTTER LEVER ASM. (SMALL)	(1)
32				B2414-280-0A0	THREAD CUTTER LEVER ASM. (LARGE)	(1)
33				SS-6110430-TP	SCREW 11/64-40 L=4.0	(1)
34				WP-0450846-SP	WASHER	(1)
35				SS-7110740-TP	SCREW 11/64-40 L=7	(1)
36	#04			B2423-280-00C	MOVING KNIFE WASHER C	(1)
37	#04			B2423-280-00A	MOVING KNIFE WASHER A	(1)
38	#04			B2423-280-00B	MOVING KNIFE WASHER B	(1)
39	#04			B2423-280-00D	MOVING KNIFE WASHER D	(1)
40	#04			B2423-280-00E	MOVING KNIFE WASHER E	(1)
41				B2421-280-0A0	MOVING KNIFE ASM.	(1)
42				SD-0500091-TP	HINGE SCREW D=5.0 H=0.9	(1)
43				SM-1040650-TP	SCREW M4 L=6	4
44	#04		401-50756		CAM_ROLLER_A	1
45	#04		401-50757		CAM_ROLLER_B	1
46	#04		401-50758		CAM_ROLLER_C	1
47	#04		401-50759		CAM_ROLLER_D	1
				NOTE( )	#01....FOR LK-1900BS
					#02....FOR LK-1900BH,BW
					#03....FOR LK-1900BF,BM
					#04....SELECTIVE PARTS

- 12 -

7.FEED MECHANISM COMPONENTS

- 13 -

REF.NO		NOTE		PART NO	D E S C R I P T I O N		Qty

1			401-39176		X FEED MOTOR	1
2				SM-4041655-SP	SCREW M4 L=16	4
3			401-42729		X FEED GEAR	1
4				SM-8480662-TP	SCREW M6X0.75 L=6	2
5			401-39177		Y FEED MOTOR	1
6				SM-4041655-SP	SCREW M4 L=16	2
7			400-10536		Y_FEED_MOTOR_BASE	1
8				SM-6041150-TP	SCREW M4 L=11	2
9			265-01502		Y FEED GEAR	1
10				SM-8060602-TP	SCREW M6X6	2
11			401-42731		CLOTH_FEED_ARM	1
12			262-22703		FEED DRIVING ARM SHAFT	1
13				SM-8060812-TP	SCREW M6 L=8	1
14			262-23305		SLIDE BLOCK STUD	1
15	#01			B1414-232-000	SQUARE BLOCK	1
16				SM-8060812-TP	SCREW M6 L=8	1
17			400-06738		Y FEED SHAFT	1
18				B2509-704-000	BUSHING REAR	2
19			401-42733		LENGTHWISE FEED ARM	1
20				SM-8060612-TP	SCREW M6 L=6	2
21			262-23503		HINGE STUD	1
22			400-06740		CLOTH FEED SUPPORT PLATE	1
23				SM-6040650-TP	SCREW	3
24			400-06737		CLOTH FEED PLATE	1
25			400-06739		CLOTH FEED PRESSER PLATE	1
26				SM-1040650-TP	SCREW M4 L=6	6
27			401-42735		SLIDER SHEET	1
28				SM-4030601-SN	SCREW M3 X 6	2
29	#06		141-16107		FEED PLATE A	1
30	#05		141-16206		FEED PLATE B	1
31	#03		135-54803		FEED PLATE	1
32	#07		141-16800		FEED PLATE H	1
33	#08		141-16404		FEED PLATE D	1
34				SM-3061052-TP	SCREW M6 L=10	1
35				WP-0621016-SD	WASHER 6.2X13X1	1
36			400-83883		LIFTING LEVER SHAFT B	1
37				SM-4042055-SP	SCREW M4 L=20	2
38				WP-0450801-SP	WASHER	4
39			401-42734		SUPPORT PLATE	1
40				SM-6040802-TP	SCREW M4X0.7 L=8	2
41			400-39013		FEED BRACKET B	1
42			401-42736		SLIDER	1
43			262-24808		BALL RETAINER	1
44				SS-8150510-TP	SCREW 15/64-28 L=4.7	1
45			400-83885		WASHER	2
46	#01			B1414-232-00A	CRANK SLIDE BLOCK	1
47	#01			B1414-232-00B	GUIDE ROLLER	1
48			400-83884		THRUST COLLAR D=8 W=8	2
49				SM-8050512-TP	SCREW M5 L=5	4
50				WP-0450801-SP	WASHER	4
51			262-04008		LIFTING LEVER (RIGHT)	1
52			262-04107		LIFTING LEVER (LEFT)	1
53			141-05407		CLOTH PRESSER SPRING	2
54			135-18501		SPRING SUSPENSION	1
55			262-24105		WORK CLAMP FOOT FACE PLATE	1
56				SS-2110930-SP	SCREW 11/64-40 L=8.7	5
57				SS-7110740-TP	SCREW 11/64-40 L=7	4
58	#02		262-24204		FINGER GUARD	1
59	#03		135-48300		FINGER GUARD	1
60				SS-8080310-TP	SCREW 1/8-44 L=2.8	2
61	#04		135-18709		WORK CLAMP FOOT (LEFT)	1
62	#04		135-18600		WORK CLAMP FOOT (RIGHT)	1
63	#03		135-48201		WORK CLAMR FOOT (LEFT)	1
64	#03		135-48102		WORK CLAMR FOOT (RIGHT)	1
65	#05		135-43012		WORK CLAMP FOOT (LEFT)	1
66	#05		135-42915		WORK CLAMP FOOT (RIGHT)	1
67			401-03155		LEVER_DRIVING_PLATE_L_ASM.	1
68			401-03154		LEVER_DRIVING_PLATE_R_ASM.	1
69				SM-6061802-TP	SCREW M6 L=18	1
70				WP-0621016-SD	WASHER 6.2X13X1	1
71			400-10570		HIDDEN_PLATE	1
				NOTE( )	#01....SELECTIVE PARTS
					#02....EXCEPT LK-1900BH,BW
					#03....FOR LK-1900BH,BW
					#04....FOR LK-1900BS,BF
					#05....FOR LK-1900BM
					#06....FOR LK-1900BS
					#07....FOR LK-1900BF(EXCEPT BB)
					#08....FOR LK-1900BF,BB

- 14 -

8.TC CLAMP COMPONENTS

				1 3
				1 2
				2 0
			1 9
				3
			2 2
			7	1 1
			2	4
					1
		1 4		6
		1 4	1 6
			1 6	7
				7
	2 1		2 4
			2 4
9
1 7	1 5					2 8
	1 5

2 3	1 8
	1 8
	1 0			2 9
				2 9		2 5
	5		3 2			2 6
	5					2 6
	8				2 7
					2 7	2 7
						2 7

3 0

3 1

- 15 -

REF.NO		NOTE PART NO		D E S C R I P T I O N			Qty

1	401-42737			THREAD_CLAMP_UNIT_ASM.		1
2			NM-6030003-SC	NUT M3		(1)
3	400-76233			TC_CLAMP_PLATE_ASM.		(1)
4	400-76238			TC_SUPPORT_PLATE		(1)
5	400-15800			TC_LINK_ASM.		(1)
6			WP-0320500-SC	WASHER M3		(2)
7			RE-0200000-K0	E-RING		(2)
8			SD-0400266-TP	HINGE SCREW D=4 H=2.6		(1)
9	400-76237			TC_BASE		(1)
10	400-10590			TC_CAM_PLATE		(1)
11	400-06780			TC_SPRING		(1)
12	400-76236			TC_BASE_COVER		(1)
13			SM-6020350-SP	SCREW M2 L=2.5		(4)
14	401-55049			TC_OPEN_PLATE		(1)
15	400-30943			TC_NOTCH_R_H		(1)
16	400-76232			TC_OPEN_SPRING		(1)
17	400-30942			TC_NOTCH_F_H		(1)
18			SM-4020600-SP	SCREW M2 L=6		(2)
19	400-12815			TC JOINT ASM.	(	(1)
20			SM-2360110-TP	SCREW		(2)
21			SM-6040650-TP	SCREW		(3)
22	400-06761			TC CLAMP		(1)
23			SM-6020450-TP	SCREW		(2)
24			SD-0350156-TP	SHOULDER SCREW		(1)
25	400-10527			TC_DRIVING_ARM_ASM.		1
26	401-42739			TC_DRIVING_ARM		(1)
27	400-11152			TC_ARM_SCREW		(2)
28			SD-0800407-TP	SHOULDER SCREW		1
29	400-06776			TC_CONNECTING_LINK		1
30	401-39179			THREAD CLAMP MOTOR		1
31			SM-6041202-TP	SCREW M4X0.7 L=12		4
32			SD-0350156-TP	SHOULDER SCREW		1

- 16 -

+ 46 hidden pages

			3 8	2 7	2 7		2 5		3
					2 7				3
					2 6
	4 8		2 8		2 6			1 9
			2 8					1 9

			3 4			2 1			3
	6 9		3 4	2 2			2 3		2
	6 9			2 2			2 3		2
			3 4
	4 6		3 3				2 3
			3 3			2 0	2 3
	6 8		3 2		2 4	2 0
			3 0	3 1
	3 5		2 9	3 1
	3 5		2 9						6 4
									6 4
	4 9								6 5	6 6
	4 9								6 7	6 6
5 1		5 0			4 7			2	6 7
5 1		5 0			4 7			2
5 2	5 4							3
								3

				3
		1		3 7
1 8				3 7
1 8	4 5
	4 5
	4 4
4 5				5 8
				5 8
	3 6
3 6	5 5		5
			5	5 6
				5 6
				5 8
	1 0		5	5 7
			5
	1 5		8
	1 5		4
			7
	1 5		6
			6
9	1 4	1 7
9	1 4
	1 6
	1 6
1 1

	3 4					2 8
						2 8
3 8	3 6		3 0
	3 6		3 0
						2 7
3 8	4 0	2 4
3 9		3 3
	3 7		3 2
			3 2			2 9
4 1		2 1				2 9
4 1		2 1
4 4	4 5				3 1	4 3
				1 0		4 3
	4 2

		2 0
		2 0			8
					8
						2 2
4 8
4 6	4 7		9
			1 3
		1 2		7
				7
		1 1	1 6		5	6
		1 1	1 8			6
			1 8
2 3				1 7
		1 9		1 7
		1 9
		1 5
		1 5			2
		1 4				1
		4				1
		4
		4 9
			3

		2 2	1 7
			1 7
		2 3	2 0
			2 0
	2 4	2 1	2 6
	2 4
	4 6
	4 5		1 2
			1 2
			1 9
2 5		1 3
	3	1 3	1 8
1	4
1	5
	5
			1 4

	7
4 4	6	7		1 0
4 4	6	7		9
	4 0			9
	4 0
		4 3	3 2	8
		4 3		8
	3 3			2
	3 3
	3 9	3 8	4 1
	3 9
	4 1	4 1
	4 7	4 1	3 6	3 4
	4 7		3 6
			3 7	3 5
2 7				3 5
				4 2

				1 3
				1 2
				2 0
			1 9
				3
			2 2
			7	1 1
			2	4
					1
		1 4		6
		1 4	1 6
			1 6	7
				7
	2 1		2 4
			2 4
9
1 7	1 5					2 8
	1 5

2 3	1 8
	1 8
	1 0			2 9
				2 9		2 5
	5		3 2			2 6
	5					2 6
	8				2 7
					2 7	2 7
						2 7

			3 8	2 7	2 7		2 5		3
					2 7				3
					2 6
	4 8		2 8		2 6			1 9
			2 8					1 9

			3 4			2 1			3
	6 9		3 4	2 2			2 3		2
	6 9			2 2			2 3		2
			3 4
	4 6		3 3				2 3
			3 3			2 0	2 3
	6 8		3 2		2 4	2 0
			3 0	3 1
	3 5		2 9	3 1
	3 5		2 9						6 4
									6 4
	4 9								6 5	6 6
	4 9								6 7	6 6
5 1		5 0			4 7			2	6 7
5 1		5 0			4 7			2
5 2	5 4							3
								3

				3
		1		3 7
1 8				3 7
1 8	4 5
	4 5
	4 4
4 5				5 8
				5 8
	3 6
3 6	5 5		5
			5	5 6
				5 6
				5 8
	1 0		5	5 7
			5
	1 5		8
	1 5		4
			7
	1 5		6
			6
9	1 4	1 7
9	1 4
	1 6
	1 6
1 1

	3 4					2 8
						2 8
3 8	3 6		3 0
	3 6		3 0
						2 7
3 8	4 0	2 4
3 9		3 3
	3 7		3 2
			3 2			2 9
4 1		2 1				2 9
4 1		2 1
4 4	4 5				3 1	4 3
				1 0		4 3
	4 2

		2 0
		2 0			8
					8
						2 2
4 8
4 6	4 7		9
			1 3
		1 2		7
				7
		1 1	1 6		5	6
		1 1	1 8			6
			1 8
2 3				1 7
		1 9		1 7
		1 9
		1 5
		1 5			2
		1 4				1
		4				1
		4
		4 9
			3

		2 2	1 7
			1 7
		2 3	2 0
			2 0
	2 4	2 1	2 6
	2 4
	4 6
	4 5		1 2
			1 2
			1 9
2 5		1 3
	3	1 3	1 8
1	4
1	5
	5
			1 4

	7
4 4	6	7		1 0
4 4	6	7		9
	4 0			9
	4 0
		4 3	3 2	8
		4 3		8
	3 3			2
	3 3
	3 9	3 8	4 1
	3 9
	4 1	4 1
	4 7	4 1	3 6	3 4
	4 7		3 6
			3 7	3 5
2 7				3 5
				4 2

				1 3
				1 2
				2 0
			1 9
				3
			2 2
			7	1 1
			2	4
					1
		1 4		6
		1 4	1 6
			1 6	7
				7
	2 1		2 4
			2 4
9
1 7	1 5					2 8
	1 5

2 3	1 8
	1 8
	1 0			2 9
				2 9		2 5
	5		3 2			2 6
	5					2 6
	8				2 7
					2 7	2 7
						2 7