Juki LK1900B Parts Book

MODEL : LK-1900B Series List No : 1653-04

PARTS LIST

Published:08/22/2016

FRAME & MISCELLANEOUS COVER COMPONENTS

- 1 -

1

40006475

MOTOR COVER

12SM5040855SN

SCREW43

40006478

UPSIDE COVER

14SM4061255SP

SCREW M6 L=12

6540010404

PROTECTION_PLATE

16SM4050855SP

SCREW37

40006487

BED COVER LEFT

1840006488

BED COVER RIGHT

19SM6040650TP

SCREW M4 L=6

51040006481

FACE COVER

11122902506

FACE PLATE

112SM4041055SP

SCREW213

40010405

CRANK_ROD_COVER

114SL6040892TN

BOLT215

40142674

CYLINDER_ARM_CAP_ASM.

116*

13508700

HOOK COVER PRESSER SPRING PIN

117*

26221101

HOOK COVER PRESSER SPRING A

118*

40142677

40142674

CYLINDER ARM CAP PLATE

1

1.00

選択部品

18*40142677

40146832

CYLINDER ARM CAP PLATE

1

1.00

選択部品

LK1903B-BS-301専用

19*SM3030552TN

SCREW M3 L=5

220*

40142675

CYLINDER ARM CAP

12140009290

HINGE STUD

222SM8060612TP

SCREW M6 L=6

42314113468

BOBBIN THREAD TENSION ASM.

124*

14113450

BOBBIN THREAD TENSION ROD ASM.

125*

B3126012000

22921506

THREAD TENSION DISK

2

1.0026*

D7133555B00

CONNECTING ROD SPRING

127*

11072402

THREAD TENSION NUT

128*

NS6110310SP

NUT 11/64-40

12940030828

THREAD_TAKE_UP_LEVER_COVER

1

EXCEPT LK-1903B

30

SM4030855SN

SCREW M3 L=8.0

23140010414

THREAD_GUIDE_NO.1

132SM4061255SP

SCREW M6 L=12

13326211904

THREAD GUIDE PLATE

134SM4061255SP

SCREW M6 L=12

13540010571

L_SHAPED_THREAD_GUIDE_A

136NM6040000SN

NUT M4137

22920508

ARM THREAD GUIDE A

138SM6040650TP

SCREW M4 L=6

13913705108

TAKE-UP THREAD GUIDE B

140SM6040650TP

SCREW141

B1129210000

FRAME THREAD GUIDE (B)

142SM6040860TP

SCREW M4 L=8

143CM300200002

CAUTION LABEL(25)

144SM4030601SN

SCREW M3 L=6

14540102261

SAFETY_LABEL_S

14610502300

THREAD CUTTER

14722901805

GROUND MARK

148TA0750704R0

RUBBER PLUG

249TA0850604R0

RUBBER PLUG

250TA1050504R0

RUBBER PLUG

351TA1250406R0

RUBBER PLUG D=12.5 L=4

352SM6041150TP

SCREW M4 L=11

35313509807

OIL SHIELD CAP

154TA1550902R0

PLUG255

TA2100904R0

RUBBER PLUG

25640142740

BOBBIN_WINDER_UNIT

157*

RC0560711KP

RETAINING RING

158*

RE0400000K0

E-RING 4

159*

26260802

26260000

BTW BEARING SPACER

1

1.00

FRAME & MISCELLANEOUS COVER COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 2 -

29・85

45

86

15

83 84

18

17

56

20

19

16

80

79

5

4

9

7

30

53

82

81

14

48

49

50

87

11

52

44

46

23

28

27 26 25

24

61

63

58

67 68

62

72

74

76

57

65

73

78

75

71

70

70 59

66

60

77

69

64

54

55

51

47

43

42

41

40

39

38

37

36

35

34

33

32

31

21

22

12

10

8

6

13

3

1

2

FRAME & MISCELLANEOUS COVER COMPONENTS

- 3 -

60*26261602

BOBBIN SPRING

161*

26261701

BTW SPRING

162*

26260109

26260000

BTW BASE

1

1.0063*

26260208

BTW CAM PLATE

164*

26260901

BTW SHAFT

165*

26261008

BTW LEVER SHAFT

166*

26261107

BTW LEVER

167*

SM5040655SN

SCREW168*WP0450826SC

WASHER 4.5X10X0.8

169*

26260307

BTW BASE SHAFT

170*

26261305

26260000

BTW BEARING

2

1.0071*

40142773

40142740

BTW_SHAFT_BASE

1

1.0072*

26261206

BTW SPACER

173*

26260505

BTW CAM LEVER

174*

SM8050502TP

SCREW M5 L=5

175*

26260604

BTW WHEEL

176*

SM8040802TP

SCREW M4X8

277*

26260703

BTW TORSION SPRING

178☆*26261503

BTW WHEEL RUBBER

17940142812

FACE_COVER_CUSHION

180CM300200001

ATTENTION SEAL

18122901409

NEEDLE BAR UPPER BUSH CAP

182CM100100001

OIL INJECTION PROHIBITION LABEL

183☆

26221200

HOOK COVER PRESSER SPRING B

184SM5040855SN

SCREW185

40144258

THREAD_TAKE_UP_LEVER_COVER

1

FOR LK-1903B

86

TA1470704R0

RUBBER PLUG

187TA2100904R0

RUBBER PLUG

1

FOR LK-1901B,LK-1903B

FRAME & MISCELLANEOUS COVER COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 4 -

39・40

41・42

52～54

43

37

20

36

19

25

33

28

34

32

31

30

29

23

22

21

26

27

11

9

12

16

13

17

14

6

15

10

8

66

64

4

2

56

59

44

35

46

69

47

51

50

49

68

48

63

18

62

61

60

3

65

67

38

24

7

45

55

5

58

57

1

MAIN SHAFT & NEEDLE BAR COMPONENTS

- 5 -

1

40142678

MAIN_SHAFT

1240142685

FRONT_BEARING

23*

40010417

BEARING_BUSH_SCREW

4440142686

BACK_BEARING

15*

SM8480652TP

SCREW26

40112990

CRANK_ROD_ALL_ASM.

17*

40110825

CRANK_ROD_SUPPORT_PLATE

18*

SM1030601SP

SCREW M3 L=6

39*

SM8480652TP

SCREW210*SM8480652TP

SCREW111*40112993

OSCILLATOR_ARM

112*

40030939

40031136

OSCILLATOR_PIN

1

1.0013*

SM6060550TP

SCREW M6 L=4.5

114*

40026818

WASHER

115*

SM8060812TP

SCREW M6 L=8

216*

10108009

OIL SEAL

217*

RE0800000K0

E-SHAPED SNAP RING (8MM)

118GAF01007000

SPRING119

40142689

COUNTER_WEIGHT_COMPL.

120*

40142691

COUNTER_WEIGHT

121*

40010424

COUNTER_WEIGHT_SCREW_A

122*

40010425

COUNTER_WEIGHT_SCREW_B

123*

40010426

COUNTER_WEIGHT_SCREW_C

224*

WP0820516SP

WASHER 11.6X8.2X0.6

125*

40110841

THRUST_COLLAR_ASM.

126*

40110842

THRUST_COLLAR

127*

SM80506A2TP

SCREW M5 L=6

228*

40142692

40142689

THREAD_TAKE_UP_COMPL.

1

1.0029*

40142701

40142689

LEFT_HAND_SCREW

1

1.0030*

40142697

40142785

NEEDLE_BAR_CRANK_ROD_COMPL.

1

1.00

選択部品

LK1903B

30*40142697

40142689

NEEDLE_BAR_CRANK_ROD_COMPL.

1

1.00

選択部品

LK1900B

31*40142693

40142689

THREAD_TAKE_UP_ASM.

1

1.0032*

40142696

NEEDLE_BAR_CRANK

133*

40142806

40142689

TAKE_UP_CRANK_ASM.

1

1.0034*

RE0300000K0

E-RING 3

235☆

SM7030550TP

SCREW M3 L=4.5

136SM8040310SS

SCREW M4 L=3

23740138137

IPM550W MOTOR

13840010470

SHUTTLE_ASM._SCREW

23940136292

BTW_DRIVING_WHEEL_ASM.

1

EXCEPT LK-1903B

40

40144697

BTW DRIVING WHEEL 03 ASM.

1

FOR LK-1903B

41*40136293

BTW_DRIVING_WHEEL

1

EXCEPT LK-1903B

42*40144696

BTW_DRIVING_WHEEL

1

FOR LK-1903B

43*SM80506A2TP

SCREW M5 L=6

24440006516

GEAR B145

SM8040310SS

SCREW M4 L=3

246SS6090670TP

SCREW 9/64-40 L=6

14740090058

SLIDE BLOCK

14840142705

NEEDLE_BAR_METAL

14940142706

NEEDLE_BAR_LOWER_METAL

150☆

40010574

THREAD_GUIDE

1

EXCEPT LK-1900BH,BW

51☆D1405L7AM00

NEEDLE BAR THREAD GUIDE

1

FOR LK-1900BH,BW

52☆MDP500B1100

NEEDLE DPX5 #11

1

FOR LK-1900BF,BM

53☆MDP500B1400

NEEDLE DPX5 #14

1

FOR LK-1900BS

54☆MDP170B2100

NEEDLE DPX17 #21

1

FOR LK-1900BH,BW

55

40006515

GEAR A156

SL6052592TN

BOLT457

40142681

COUPLING ASM.

158*

SM80608A2TP

SCREW M6 L=8

459B1212210D00

PULLEY

1

MAIN SHAFT & NEEDLE BAR COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 6 -

39・40

41・42

52～54

43

37

20

36

19

25

33

28

34

32

31

30

29

23

22

21

26

27

11

9

12

16

13

17

14

6

15

10

8

66

64

4

2

56

59

44

35

46

69

47

51

50

49

68

48

63

18

62

61

60

3

65

67

38

24

7

45

55

5

58

57

1

MAIN SHAFT & NEEDLE BAR COMPONENTS

- 7 -

60

B1144210000

REVOLVING DIRECTION LABEL

16126500306

HAND PULLEY SHAFT

162PS0400142KH

SPRING PIN 4X14

163A123050000A

Disconinue

SET-SCREW

16440110812

CRANK_BALANCER_ASM.

165*

40010439

CRANK_BALANCER_FIX_PLATE

166*

40010440

CRANK_BALANCER_FIX_PLATE_SCREW

267*

40110813

CRANK_BALANCER

16840142704

NEEDLE_BAR

169B1411552000

B14115520A0

NEEDLE BAR CLAMP

1

1.00

MAIN SHAFT & NEEDLE BAR COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 8 -

2

43

49

48

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

14

9

7

5

6

12

11

10

8

4

3

1

PRESSER LIFTER & WIPER COMPONENTS

- 9 -

1

40139178

PRESSER LIFTING MOTOR

12SM6051602TP

SCREW M5X0.8 L=16

43SB110002400

BEARING

14SM6040802TP

SCREW M4X0.7 L=8

1540004254

UTT_CAM_ROLLER

1640040256

CAM ROLLER SHAFT

17NM6040001SP

NUT M4X0.7

2840006661

LIFTER LINK A ASM.

1940006716

THREAD TRIMMER SHAFT

110SM8060812TP

SCREW M6 L=8

11140023831

SPRING_RACK

112SM4040855SP

SCREW113

26226209

SPRING114

40006666

SENSOR SLIT ASM.

115SM8050402TP

SCREW216

40010443

SENSOR_INSTALLING_BASE

117SM6040802TP

SCREW M4X0.7 L=8

118HD00057000A

PHOTO SENSOR

119SL4031291SC

SCREW M3X12

12040006665

LIFTER LINK B

121SD0800327TP

HINGE SCREW D=8 H=3.2

122NM6050001SP

NUT M5123

SD0700406TP

HINGE SCREW D=7 H=4

12440006671

CONNECTING ARM

125SM6061802TP

SCREW M6 L=18

12640083882

CONNECTING SHAFT

12740008693

LOWERING ARM

128SM6061802TP

SCREW M6 L=18

129SD0790606TP

HINGE SCREW D=7.94 H=6

130NM6060001CP

NUT M6131

40010450

LOWERING_FOOT

13214104400

CONNECTING LINK

133SD1000406TP

HINGE SCREW D=10 H=4

23440010460

WIPER CONNECTING LINK

135SD0600206TP

HINGE SCREW D=6 H=2

13626218008

SPRING137

40010451

WIPER_CONNECTING_ARM_ASM.

138RC0470611KP

RETAINING RING 4.7

23940010455

WIPER_CONNECTING_LINK_SHAFT

14040010457

WIPER_STOPPER

14140010458

WIPER_CONNECTING_PLATE

14240017202

WIPER C ASM.

143NM6060003SC

NUT M6144☆RC0470611KP

RETAINING RING 4.7

145SD0640216TP

HINGE SCREW D=6.35 H=2.1

14640006678

WIPER BASE PLATE

147SM4040855SP

SCREW148

WP0450801SP

WASHER

149WP0450801SP

WASHER

1

PRESSER LIFTER & WIPER COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 10 -

39～42

14・75

51･52

53･69

48･49

54･70

66～68

45～47

35

30

32

73

74

59

58

9

12

16

72

34

10

55

57

56

5

4

3

2

6

65

64

36

61

62

1

60

15

11

13

63

50

43

38

37

18

71

24

25 26

44

31

27

33

23

28

29

22

21

20

19

17

8

7

SHUTTLE DRIVER SHAFT COMPONENTS

- 11 -

1

HX00150000D

CABLE CLIP

1240012127

OIL_PIPE_HOLDER

13SM6040502TP

SCREW M4X0.7 L=5

1440013721

TUBE_CLAMP

15SL4040891SC

SCREW M4 L=8

1640010464

THRUST_COLLAR_ASM.

17*

40010467

40010464

THRUST_COLLAR

1

1.008*

40010469

THRUST_COLLAR_SCREW

29SB110002400

BEARING

31040110830

LOWER_SHAFT_GEAR_ASM.

11140112994

OSCILLATOR_SHAFT

112SM8060612TP

SCREW M6 L=6

21340010575

LOWER SHAFT

114EA9500B0100

CABLE BAND

11540006578

OIL WICK PRESSER

116SM8061010TP

SCREW117

SM8060812TP

SCREW M6 L=8

21840010471

SHUTTLE_RACE_ADJUSTING_SHAFT

11940089365

SHUTTLE

120☆

B1820210D00

SHUTTLE OIL FELT A

221☆

B1821210D00

SHUTTLE OIL FELT B

122B1822215P00

INNER HOOK PRESSER SPRING

223RE0300000K0

E-RING 3

22426501858

INNER HOOK PRESSER ASM.

22514104004

ONCE THROUGH OIL FELT PRESSER

126SM6020460TP

SCREW M2 L=3.5

22714103907

SHUTTLE ONCE THROUGH OIL FELT

12840006577

SHUTTLE LUBRICATING PLATE

129SM4030455SP

SCREW230

CQ200000000

OIL WICK

2.631CQ200000000

OIL WICK

1.43223630007

TUBE133

23630007

TUBE.634☆13529607

SHUTTLE PACKING

23540142719

FELT236

SM6040650TP

SCREW M4 L=6

13740006575

40010472

SHUTTLE BEARING RING

2

1.003840110856

SUTTLE_OIL_SEAL

239SB3080010CA

BEARING

2

SELECTIVE PARTS

40

SB3080010CB

BEARING

2

SELECTIVE PARTS

41

SB3080010CC

BEARING

2

SELECTIVE PARTS

42

SB3080010CD

BEARING

2

SELECTIVE PARTS

43

B1815210000

INNER HOOK UPPER SPRING

144SM6020460TP

SCREW M2 L=3.5

24514103253

INNER HOOK PRESSER ASM. A

1

FOR LK-1900BF,BM

46

14103352

INNER HOOK PRESSER ASM. B

1

FOR LK-1900BS

47

14103659

SHUTTLE RACE RING ASM. C

1

FOR LK-1900BH,BW

48

40011512

DRIVER_ASM.

1

EXCEPT LK-1900BW

49

40014963

SHUTTLE DRIVER ASM.

1

FOR LK-1900BW

50*SS6121212TP

SCREW 3/16-28 L=12.0

151*

40011511

40011512

SHUTTLE_DRIVER

1

1.00

EXCEPT LK-1900BW

52*40010879

40014963

SHUTTLE DRIVER

1

1.00

FOR LK-1900BW

53☆B18289800BB

BOBBIN CASE ASM. (RACING PREVENTION)

1

EXCEPT LK-1900BW

54☆13812102

BOBBIN

1

EXCEPT LK-1900BW

55

40142687

LOWER_SHAFT_GEAR_COVER_ASM.

156*

40142688

LOWER_SHAFT_GEAR_COVER

157*

40010475

LOWER_SHAFT_GEAR_FELT

158SL4040891SC

SCREW M4 L=8

25940110827

OSCILLATOR

160SL4040891SC

SCREW M4 L=8

1

SHUTTLE DRIVER SHAFT COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 12 -

39～42

14・75

51･52

53･69

48･49

54･70

66～68

45～47

35

30

32

73

74

59

58

9

12

16

72

34

10

55

57

56

5

4

3

2

6

65

64

36

61

62

1

60

15

11

13

63

50

43

38

37

18

71

24

25 26

44

31

27

33

23

28

29

22

21

20

19

17

8

7

SHUTTLE DRIVER SHAFT COMPONENTS

- 13 -

61

HX00150000B

CABLE CLIP

262SL4040891SC

SCREW M4 L=8

263SM6040650TP

SCREW M4 L=6

16440006840

RUBBER BUSH

26540006836

OIL TANK ASM.

166☆

40110846

SHUTTLE

1

EXCEPT LK-1900BH,BW

67☆40112995

SHUTTLE(H)

1

FOR LK-1900BH

68☆40014965

SHUTTLE(H)

1

FOR LK-1900BW

69☆B1828210DAA

BOBBIN CASE ASM.

1

FOR LK-1900BW

70☆B1806210D00

BOBBIN

1

FOR LK-1900BW

71

40010470

SHUTTLE_ASM_SCREW

172SM8061050TP

SCREW173

SM8480652TP

SCREW274

SM8480652TP

SCREW275

A4078009000

BAND (SMALL)

1

SHUTTLE DRIVER SHAFT COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 14 -

32

34

38

41

46

45

19

13

26

44

33

27

28

29

31

30

43

40

39

47

36

37

42

35

23

22

25

24

18

21

20

17

16

15

14

2

12

11

10

9

8

7

6

5

4

3

1

THREAD TENSION COMPONENTS

- 15 -

1

40142273

AT SOLENOID

12SM6040802TP

SCREW M4X0.7 L=8

43RE0900000K0

E-RING 9

1440006625

SPRING15

40006617

AT SOL PIN

1640010477

AT_SOL_COLLAR

17SM8030412TP

SCREW28

40010479

AT_PLATE

19SM6040802TP

SCREW M4X0.7 L=8

210WP0450801SD

WASHER 4.5X10X0.8

21140010482

AT_DRIVE_LINK(F)_ASM.

11240010492

AT_DRIVE_LINK(R)_ASM.

11340010495

AT_PIVOT_BASE(R)

114SM6040602TP

SCREW M4 L=6

21540010486

AT_PIVOT_BASE(F)

116SM6041050TP

SCREW M4 L=10

21740010487

AT_PIVOT_SCREW

218NM6040003SC

NUT M4219

40010489

AT_PIVOT_SCREW_WASHER

32040010490

AT_PIVOT_BEARING

22140010497

AT_JOINT

22240010489

AT_PIVOT_SCREW_WASHER

22340010498

AT_JOINT_BEARING

224NM6030001SC

NUT M3X0.5 TYPE1

22540010500

AT_CONNECTION_BAR

12640006622

AT SNAP PIN

22740010503

THREAD_TENSION_1_ASM.

128*

40010504

40010503

THREAD_TENSION_SHAFT

1

1.0029*

22928808

NUT130*22921506

THREAD TENSION DISK

231*

26218602

FIRST_THREAD_TENSION_SPRING

13240010508

THREAD_TENSION_2_ASM.

133*

40010510

THREAD_TENSION_POST_BASE

134*

40010511

DISK_STOPPER_HOLDER_CAP

135*

40010512

THREAD_TENSION_SHAFT_COLLAR

136*

40010513

DISK_STOPPER_SPRING

337*

40010514

DISK_STOPPER

138*

40010515

ASSY_THREAD_TENSION_POST

139*

40010478

AT_SOL_COLLAR_SCREW

140☆*22921605

THREAD TAKE-UP SPRING

141*

40010521

HOLD_CAP_SCREW

342*

40010522

SHAFT_NUT

143*

40010523

40010508

POST_BASE_C_RING

1

1.0044*

40010509

THREAD_TENSION_SHAFT

14540013967

AT-FELT

146SL4040681SC

SCREW M4 L=6

147SM80606A2TP

SCREW M6 L=6

1

THREAD TENSION COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 16 -

18～20

A

22～24

36～40

44～47

13

3

11

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

- 17 -

1

40142728

40142727

THREAD_TRIMMER_CAM

1

1.002SM8050592TP

SCREW23

WP0450801SP

WASHER14

40040256

CAM ROLLER SHAFT

15NM6040001SP

NUT M4X0.7

2640006712

THREAD TRIMMER LINK ASM.

17SD0800327TP

HINGE SCREW D=8 H=3.2

18NM6050001SP

NUT M519

40006716

THREAD TRIMMER SHAFT

110SM8060812TP

SCREW M6 L=8

21140006717

CONNECTING BAR

11240010525

THREAD_TRIMMER_SENSOR_SLIT

113SM6040802TP

SCREW M4X0.7 L=8

114HD002230000

PHOTO SENSOR

115SL4041291SC

SCREW M4 L=12

11640010526

THREAD_TRIMMER_SENSOR_BASE

117SM4040855SP

SCREW218

40142720

NEEDLE PLATE ASM A

1

FOR LK-1900BS

19

40142721

NEEDLE PLATE ASM H

1

FOR LK-1900BH,BW

20

40142722

NEEDLE PLATE ASM E

1

FOR LK-1900BF,BM

21*B2417280000

THREAD CUTTER LEVER SHAFT

122☆*B2426280000

NEEDLE HOLE GUIDE

1

FOR LK-1900BS

23☆*

14109607

NEEDLE HOLE GUIDE

1

FOR LK-1900BH,BW

24☆*

D2426282C00

NEEDLE HOLE GUIDE

1

FOR LK-1900BF,BM

25☆*

SS1060210TP

SCREW 3/32-56 L=2.2

226*

40142725

NEEDLE PLATE

127☆*B2424280000

FIXING KNIFE

128*

SS7090410SP

SCREW 9/64-40 L=3.5

229*

B2418280000

MOVING KNIFE LINK

130*

B2416280000

THREAD CUTTING LEVER RING

131*

B24152800A0

THREAD CUTTER LEVER ASM. (SMALL)

132*

B24142800A0

THREAD CUTTER LEVER ASM. (LARGE)

133*

SS6110430TP

SCREW 11/64-40 L=4.0

134*

WP0450846SP

WASHER

135*

SS7110740TP

SCREW 11/64-40 L=7

136*

B242328000C

MOVING KNIFE WASHER C

1

SELECTIVE PARTS

37*B242328000A

MOVING KNIFE WASHER A

1

SELECTIVE PARTS

38*B242328000B

MOVING KNIFE WASHER B

1

SELECTIVE PARTS

39*B242328000D

MOVING KNIFE WASHER D

1

SELECTIVE PARTS

40*B242328000E

MOVING KNIFE WASHER E

1

SELECTIVE PARTS

41☆*

B24212800A0

MOVING KNIFE ASM.

142*

SD0500091TP

HINGE SCREW D=5.0 H=0.9

143SM1040650TP

SCREW M4 L=6

44423517501

NEEDLE CAM ROLLER A

14523517600

NEEDLE CAM ROLLER B

14623517709

NEEDLE CAM ROLLER C

14723517808

NEEDLE CAM ROLLER D

1

THREAD TRIMMER MECHANISM COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 18 -

32･33

61・63・65

62・64・66

58･59

15・46・47

40

39

27

3

10

38

13

71

7

5

50

49

48

51

37

12

16

45

57

42

30

31

28

70

69

60

67

68

56

55

53

54

52

29

34 35

36

44

43

41

26

25

24

22

23

21

20

19

18

17

4

1

14

11

8

2

6

9

FEED MECHANISM COMPONENTS

- 19 -

1

40139176

X FEED MOTOR

12SM4041655SP

SCREW M4 L=16

4340142729

X FEED GEAR

14SM8480662TP

SCREW M6X0.75 L=6

2540139177

Y FEED MOTOR

16SM4041655SP

SCREW M4 L=16

2740010536

Y_FEED_MOTOR_BASE

18SM6041150TP

SCREW M4 L=11

2926501502

Y FEED GEAR

110SM8060602TP

SCREW M6X6

21140142731

CLOTH_FEED_ARM

11226222703

FEED DRIVING ARM SHAFT

113SM8060812TP

SCREW M6 L=8

11426223305

SLIDE BLOCK STUD

115B1414232000

SQUARE BLOCK

1

SELECTIVE PARTS

16

SM8060812TP

SCREW M6 L=8

11740006738

Y FEED SHAFT

118B2509704000

BUSHING REAR

21940142733

LENGTHWISE FEED ARM

120SM8060612TP

SCREW M6 L=6

22126223503

HINGE STUD

12240006740

CLOTH FEED SUPPORT PLATE

123SM6040650TP

SCREW324

40006737

CLOTH FEED PLATE

12540006739

CLOTH FEED PRESSER PLATE

126SM1040650TP

SCREW M4 L=6

62740142735

SLIDER SHEET

128SM5030501SC

SCREW M3 L=5

22914116107

FEED PLATE A

1

FOR LK-1900BS

30

14116206

FEED PLATE B

1

FOR LK-1900BM

31

13554803

FEED PLATE

1

FOR LK-1900BH,BW

32

14116800

FEED PLATE H

1

FOR LK-1900BF(EXCEPT BB)

33

14116404

FEED PLATE D

1

FOR LK-1900BF,BB

34

SM3061052TP

SCREW M6 L=10

135WP0621016SD

WASHER 6.2X13X1

13640083883

LIFTING LEVER SHAFT B

137SM4042055SP

SCREW M4 L=20

238WP0450801SP

WASHER

43940142734

SUPPORT PLATE

140SM6040802TP

SCREW M4X0.7 L=8

24140039013

FEED BRACKET B

14240142736

SLIDER143

26224808

BALL RETAINER

144SS8150510TP

SCREW 15/64-28 L=4.7

14540083885

WASHER

246B141423200A

CRANK SLIDE BLOCK

1

SELECTIVE PARTS

47

B141423200B

GUIDE ROLLER

1

SELECTIVE PARTS

48

40083884

THRUST COLLAR D=8 W=8

249SM8050512TP

SCREW M5 L=5

450WP0450801SP

WASHER

45126204008

LIFTING LEVER (RIGHT)

15226204107

LIFTING LEVER (LEFT)

15314105407

CLOTH PRESSER SPRING

25413518501

SPRING SUSPENSION

15526224105

WORK CLAMP FOOT FACE PLATE

156SS2110930SP

SCREW 11/64-40 L=8.7

557SS7110740TP

SCREW 11/64-40 L=7

45826224204

FINGER GUARD

1

EXCEPT LK-1900BH,BW

59

13548300

FINGER GUARD

1

FOR LK-1900BH,BW

60

SS8080310TP

SCREW 1/8-44 L=2.8

2

FEED MECHANISM COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 20 -

32･33

61・63・65

62・64・66

58･59

15・46・47

40

39

27

3

10

38

13

71

7

5

50

49

48

51

37

12

16

45

57

42

30

31

28

70

69

60

67

68

56

55

53

54

52

29

34 35

36

44

43

41

26

25

24

22

23

21

20

19

18

17

4

1

14

11

8

2

6

9

FEED MECHANISM COMPONENTS

- 21 -

61

13518600

WORK CLAMP FOOT (RIGHT)

1

FOR LK-1900BS,BF

62

13518709

WORK CLAMP FOOT (LEFT)

1

FOR LK-1900BS,BF

63

13548102

WORK CLAMR FOOT (RIGHT)

1

FOR LK-1900BH,BW

64

13548201

WORK CLAMR FOOT (LEFT)

1

FOR LK-1900BH,BW

65

13542915

WORK CLAMP FOOT (RIGHT)

1

FOR LK-1900BM

66

13543012

WORK CLAMP FOOT (LEFT)

1

FOR LK-1900BM

67

40103155

LEVER_DRIVING_PLATE_L_ASM.

16840103154

LEVER_DRIVING_PLATE_R_ASM.

169SM6061802TP

SCREW M6 L=18

170WP0621016SD

WASHER 6.2X13X1

17140010570

HIDDEN_PLATE

1

FEED MECHANISM COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 22 -

1

27

24

22

29

3

19

6

7

5

20

21

10

13

11

8

15

18

17

23

32

9

12

4

14

16

2

25

31

30

28

26

TC CLAMP COMPONENTS

- 23 -

1

40142737

THREAD_CLAMP_UNIT_ASM.

12*

NM6030003SC

NUT M313*40076233

TC_CLAMP_PLATE_ASM.

14*

40076238

40076235

TC_SUPPORT_PLATE

1

1.005*

40015800

TC_LINK_ASM.

16*

WP0320500SC

WASHER M3

27*

RE0200000K0

E-RING28*SD0400266TP

HINGE SCREW D=4 H=2.6

19*

40076237

TC_BASE

110*

40010590

TC_CAM_PLATE

111*

40006780

TC_SPRING

112*

40076236

TC_BASE_COVER

113*

SM6020350SP

SCREW M2 L=2.5

414*

40076239

TC_OPEN_PLATE

115*

40030943

TC_NOTCH_R_H

116*

40076232

TC_OPEN_SPRING

117*

40030942

TC_NOTCH_F_H

118*

SM4020600SP

SCREW M2 L=6

219*

40012815

TC JOINT ASM.

120*

SM2360110TP

SCREW221*SM6040650TP

SCREW322*40006761

TC CLAMP

123*

SM6020450TP

SCREW224*SD0350156TP

SHOULDER SCREW

12540010527

TC_DRIVING_ARM_ASM.

126*

40142739

TC_DRIVING_ARM

127*

40011152

40010527

TC_ARM_SCREW

2

1.0028SD0800407TP

SHOULDER SCREW

12940006776

TC_CONNECTING_LINK

13040139179

THREAD CLAMP MOTOR

131SM6041202TP

SCREW M4X0.7 L=12

432SD0350156TP

SHOULDER SCREW

1

TC CLAMP COMPONENTS

No.

C󲪄

ons

Le󲪄

Parts No. Replacement Supply Code Parts name

vel

Qty

R󲪄 ep. Q󲪄 TY

Status Spec Remarks

- 24 -

19

16

15

2

18

17

1

21

20

4

12

13

6

14

11

10

9

8

7

5

3

SENSOR COMPONENTS

- 25 -

Juki LK1900B Parts Book

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

FRAME & MISCELLANEOUS COVER COMPONENTS

MAIN SHAFT & NEEDLE BAR COMPONENTS

PRESSER LIFTER & WIPER COMPONENTS

SHUTTLE DRIVER SHAFT COMPONENTS

THREAD TENSION COMPONENTS

THREAD TRIMMER MECHANISM COMPONENTS

FEED MECHANISM COMPONENTS

TC CLAMP COMPONENTS

SENSOR COMPONENTS