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LBH1790S
Parts Book
59 pgs2.28 Mb0
Table of contents
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Juki LBH1790S Parts Book

MODEL : LBH-1790S List No : 1723-00
PARTS LIST
Published:02/14/2019

CONTENTS

FRAME & MISCELLANEOUS COVER COMPONENTS (1) .................................................................................... 1
FRAME & MISCELLANEOUS COVER COMPONENTS (2) .................................................................................... 5
MAIN SHAFT COMPONENTS ............................................................................................................................................ 9
HOOK DRIVING SHAFT COMPONENTS ......................................................................................................................
PRESSER & FEED COMPONENTS .................................................................................................................................
NEEDLE BAR ROCKING COMPONENTS .....................................................................................................................
NEEDLE THREAD TRIMMER COMPONENTS.............................................................................................................
BOBBIN THREAD TRIMMER COMPONENTS.............................................................................................................
CLOTH CUTTING KNIFE COMPONENTS ....................................................................................................................
TABLE COMPONENTS.........................................................................................................................................................
OPERATION BOX COMPONENTS (ACCESSORIES OF A CONTROL BOX)...............................................
CONTROL BOX COMPONENTS ......................................................................................................................................
WIRING DIAGRAM ...................................................................................................................................................................
ACCESSORIE PARTS COMPONENTS ..........................................................................................................................
THREAD STAND COMPONENTS.....................................................................................................................................
SPECIAL SPECIFICATIONS COMPONENTS (1).......................................................................................................
SPECIAL SPECIFICATIONS COMPONENTS (2).......................................................................................................
EXCHANGING PARTS...........................................................................................................................................................
HOW TO MAKE USE OF THIS PARTS LIST ...............................................................................................................
13 15 19 21 25 29 31 33 35 39 41 43 45 47 49 51
A
A
85
5
6
73
74
75
35
35
35
60
82
82
82
81
81
81
18
79
80
78
13
13
34
34
34
77
17
10
25
28
27
26
24
21
20
19
45
46
33
14
68
36
36
23
22
65
64
48
48
47
69
66
67
57
57
57
38
38
7
8
1
49
51
62
52
37
56
63
55
61
53
50
50
58
43
44
30
72
72
39
42
54
70
59
40
16
4
2
29
12
76
32
31
84
83
71
15
41
11
9
3

FRAME & MISCELLANEOUS COVER COMPONENTS (1)

- 1 -
FRAME & MISCELLANEOUS COVER COMPONENTS (1)
No. Parts No. Parts name Remarks Level Cons Qty
1 40203134 UPPER_COVER 1
2 SM4051055SP SCREW 4
3 40189633 LEFT_COVER 1
4 SM4051055SP SCREW 2
5 40189613 LEFT_COVER_B 1
6 SM4051055SP SCREW 4
7 40189616 THREAD_TAKE_UP_LEVER_COVER 1
8 SM4051055SP SCREW 1
9 40189617 FRONT_COVER 1
10 SM4051055SP SCREW 3
11 40189615 MOTOR_COVER 1
12 SM4051655SP SCREW M5 L=16 4
13 26230409 LUBRICATING OIL WICK STOPPER 2
14 SM6050802TP SCREW M5X0.8 L=8 1
15 40189614 REAR_COVER 1
16 SM4051055SP SCREW 4
17 40189635 HOOK_OIL_SHIELD_COVER_COMPL 1
18 40189636 HOOK_OIL_SHIELD_COVER * 1
19 SM0040801SC SCREW * 1
20 40145328 SENSOR SLIT PLATE C * 1
21 NM6040001SC NUT M4X0.7 TYPE1 * 1
22 NM6030001SD NUT M3X0.5 * 1
23 SM6031402TP SCREW * 1
24 13703806 HOOK OIL SHIELD HINGE * 1
25 13703905 HINGE PIN * 1
26 40141710 HINGE_SPRING * ☆ 1
27 40141711 HINGE_SPRING_WASHER * 1
28 SM4040655SP SCREW M4 L=6 * 1
29 SM6050652TP HEXAGON SOCKET HEAD SCREW M5X6 2
30 SM6040602TP SCREW M4 L=6 2
31 TA1550902R0 PLUG 1
32 TA1050504R0 RUBBER PLUG 1
33 40141795 PBL_METAL_CAP 1
34 TA1250406R0 RUBBER PLUG D=12.5 L=4 3
35 TA1550902R0 PLUG 3
36 SM6061002TP SCREW M6 L=10
37 SM6067052TP HEXAGON BOLT 1
38 SM80606A2TP SCREW M6 L=6 2
39 40189631 SWITCH ASM. 1
40 SL6040892TN SCREW 2
41 40050700 PRE-TENSION CONTROLLER ASM. 1
42 22502504 THREAD GUIDE BAR
43 40189634 BED_BASE_N 1
44 40189618 BED_REAR_COVER 1
45 40141706 ASSY_LED_DEVICE ☆ 1
46 TA0500301R0 PLUG 5X5.8 L=3 1
47 13922208 TAKE-UP THREAD GUIDE B 1
ACCESSORIE PARTS
ACCESSORIE PARTS
4
1
- 2 -
A
A
85
5
6
73
74
75
35
35
35
60
82
82
82
81
81
81
18
79
80
78
13
13
34
34
34
77
17
10
25
28
27
26
24
21
20
19
45
46
33
14
68
36
36
23
22
65
64
48
48
47
69
66
67
57
57
57
38
38
7
8
1
49
51
62
52
37
56
63
55
61
53
50
50
58
43
44
30
72
72
39
42
54
70
59
40
16
4
2
29
12
76
32
31
84
83
71
15
41
11
9
3
FRAME & MISCELLANEOUS COVER COMPONENTS (1)
- 3 -
FRAME & MISCELLANEOUS COVER COMPONENTS (1)
No. Parts No. Parts name Remarks Level Cons Qty
48 SM6050802TP SCREW M5X0.8 L=8 2
49 40006314 HINGE_BUSH
50 13700604 HINGE PIN 2
51 13700406 HINGE PLATE A
52 13700505 HINGE PLATE B
53 NM6060001SD NUT M6 2
54 KX000000380 SPACER 4
55 WP0612056SD WASHER 6.1X18.5X2 1
56 13943303 OIL SHIELD
57 40008977 RUBBER C 3
58 40008978 RUBBER D 1
59 SL6040892TN SCREW 4
60 E2002855000 Z STOPPER RUBBER 1
61 D6056555B00 RUBBER CUSHION (B) 1
62 13700703 RUBBER HINGE
63 SL6040892TN SCREW
64 40009037 TAKE-UP THREAD GUIDE A 1
65 SM6040602TP SCREW M4 L=6 1
66 40141713 STUD 1
67 TA0850604R0 RUBBER PLUG 1
68 CM300200003 ATTENTION LABEL 1
69 13705405 NEEDLE BAR THREAD GUIDE 1
70 40138611 INT PCB ASSY 1
71 CM301300001 SAFETY LABEL 1
72 CM300200001 ATTENTION SEAL 2
73 40111214 FAN MOTOR ASSY 1
74 NM6040001SC NUT M4X0.7 TYPE1 2
75 SL4042591SC SCREW M4 L=25 2
76 TA2100904R0 RUBBER PLUG 1
77 SM6040650TP SCREW 1
78 40145327 SENSOR PALTE C 1
79 40141483 COVER SENSOR ASSY 1
80 SL4030881SC SCREW M3 L=8 1
81 HX001500000 CLIP 3
82 SM6040602TP SCREW M4 L=6 3
83 TA0550604R0 RUBBER PLUG 1
84 TA0750404R0 PLUG D=7.5 L=3.5 2
85 22902506 FACE_COVER_PLATE 1
ACCESSORIE PARTS
ACCESSORIE PARTS
ACCESSORIE PARTS
ACCESSORIE PARTS
ACCESSORIE PARTS
ACCESSORIE PARTS
1
1
1
1
1
1
- 4 -
A
A
63
45
47
48
49
50
51
52
53
54
55
56
57
44
46
43
40
37
39
39
41
42
38
2
3
3
4
1
5
7
6
61
9
9
36
14
13
18
28
20
32
22
27
24
19
35
23
29
16
21
31
17
30
25
34
33
26
15
60
59
58
12
62
10
11
8

FRAME & MISCELLANEOUS COVER COMPONENTS (2)

- 5 -
FRAME & MISCELLANEOUS COVER COMPONENTS (2)
No. Parts No. Parts name Remarks Level Cons Qty
1 40174350 AT_SOLENOID_A 1
2 RE0400000K0 E-RING 4 1
3 SM6050802TP SCREW M5X0.8 L=8 2
4 40203121 AT SOLENOID FITTING PLATE 1
5 SM7040800SL SCREW 2
6 40091212 BOBBIN_THREAD_TENSION_ASM. 1
7 NM6050001SD NUT M5X0.8 1
8 40037008 THREAD_CUTTER ☆ 1
9 SM0050801SC SCREW 4
10 26230409 LUBRICATING OIL WICK STOPPER 3
11 SM6040602TP SCREW M4 L=6 2
12 HX00151000A CABLE BAND 2
13 40004252 UTT_SUSPENSION_SCREW_9 1
14 40189628 ASSY_BTW 1
15 40189600 BTW_BASE * 1
16 26260208 BTW_CAM_PLATE * 1
17 26260307 BTW_BASE_SHAFT * 1
18 26260406 BTW_SHAFT_BASE * 1
19 26260505 BTW_CAM_LEVER * 1
20 26260604 BTW_WHEEL * 1
21 40011144 BTW_TORSION_SPRING * 1
22 26260802 BTW_BEARING_SPACER * 1
23 40011145 BTW_SHAFT * 1
24 40011146 BTW_LEVER_SHAFT * 1
25 40021933 BTW_LEVER * 1
26 26261206 BTW_SPACER * 1
27 26261305 BTW_BEARING * 2
28 26261503 BTW_WHEEL_RUBBER * ☆ 1
29 26261602 BOBBIN_SPRING * ☆ 1
30 26261701 BTW_SPRING * 1
31 RC0560711KP RETAINING RING * 1
32 RE0400000K0 E-RING 4 * 1
33 WP0450826SC WASHER 4.5X10X0.8 * 1
34 SM5040655SN SCREW * 1
35 SM8050502TP SCREW M5 L=5 * 1
36 SM8040802TP SCREW M4X8 * 2
37 NM6040000SN NUT M4 1
38 40174311 SCREW 1
39 26201004 PIN GUIDE 2
40 RE0500000K0 E-RING 1
41 22920409 THREAD RELEASE PIN SPRING 1
42 40191268 THREAD_TENSION_SHAFT 1
43 40172470 THREAD_TENSION_ASM 1
44 RC0410415KP C-RING * 1
45 SM8040612TP SCREW M4 L=6 * 1
46 B3118552H00 THREAD RELEASE PIN * 1
47 22921605 THREAD TAKE-UP SPRING * ☆ 1
- 6 -
A
A
63
45
47
48
49
50
51
52
53
54
55
56
57
44
46
43
40
37
39
39
41
42
38
2
3
3
4
1
5
7
6
61
9
9
36
14
13
18
28
20
32
22
27
24
19
35
23
29
16
21
31
17
30
25
34
33
26
15
60
59
58
12
62
10
11
8
FRAME & MISCELLANEOUS COVER COMPONENTS (2)
- 7 -
FRAME & MISCELLANEOUS COVER COMPONENTS (2)
No. Parts No. Parts name Remarks Level Cons Qty
48 RC1700001KP C-RING * 1
49 SM6031002TN SCREW M3 L=10 * 1
50 22921506 THREAD TENSION DISK * 2
51 40174313 TENSION_POST_BASE_ASM * 1
52 40126724 TENSION_DISC_HOLDER * 1
53 40172472 AT_SHAFT * 1
54 40172473 DISK_STOPPER_HOLDER_CAP_PIN * 1
55 40172474 DISK_STOPPER_HOLDER_CAP * 1
56 B3132012000 TENSION DISC HOLDER * 1
57 40174312 THREAD_TENSION_DISK_RUBBER * ☆ 1
58 14115554 HEAD GROUND CABLE A ASM. 1
59 40141478 INT CORE B ASSY 1
60 40141479 INT CORD C ASSY 1
61 40141477 INT CORD A ASSY 1
62 EA9500B0100 CABLE BAND 10
63 13705207 THREAD PATH GUIDE PLATE 1
- 8 -
46
26
38
42
41
40 39
48
33
29
12
36
30
31
34
35
32
43
45
47
44
1
21
22
19
20
4
15
25
25
2
6
3
3
7
9
11
10
5
8
18
17
16
14
13
23
49
24
27
28
37

MAIN SHAFT COMPONENTS

- 9 -
MAIN SHAFT COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40011517 NEEDLE_BAR_CRANK_FELT 1
2 40142152 IDLER_ASSY 1
3 RC3781518KP RETAINING RING * 2
4 RC0100001KP SNAP RING M10 * 1
5 40143150 IDLER FIXED PLATE * 1
6 40141721 IDLER_PULLEY * 1
7 SB110000700 BALL BEARING * 1
8 NM6100001SD NUT M10 * 1
9 40141720 IDLER_SHAFT * 1
10 WP0621046SP WASHER 1
11 SM9061403CP SCREW M6 L=14 1
12 40004185 HINGE_SCREW 1
13 40138137 IPM550W MOTOR 1
14 SM6052002TR SCREW M5 L=20 4
15 40051473 COUPLING ASM. 1
16 40051474 COUPLING * 1
17 SM80608A2TP SCREW M6 L=8 * 4
18 40141719 TIMING_BELT 1
19 40141716 COUNTER_WEIGHT 1
20 SM80606A2TP SCREW M6 L=6 1
21 SM8081652TP SCREW M8 L=16 1
22 40004171 COUNTER_WEIGHT_SCREW 1
23 40150011 FRONT_BEARING 1
24 40010534 BTW_DRIVING_WHEEL 1
25 40010535 DRIVING_WHEEL_SCREW 2
26 40210180 ASSY MAIN SHAFT BEARING 1
27 SB1200008C0 BEARING * 1
28 40203064 SPROCKET_A * 1
29 SM80606A2TP SCREW M6 L=6 * 2
30 40141725 THREAD_TAKE_UP_COMP 1
31 40141726 THREAD_TAKE_UP_ASM_C * 1
32 22918304 SCREW * 1
33 40142880 NEEDLE_BAR_CRANK_ROD_ASM. * 1
34 40141727 THREAD_TAKE_UP_ASM_B * 1
35 40141730 NEEDLE_BAR_CRANK * 1
36 40142878 TAKE_UP_CRANK_ASM. * 1
37 SM80608A2TP SCREW M6 L=8 2
38 40203068 THRUST COLLAR ASM 1
39 40203090 THRUST COLLAR * 1
40 SM80506A2TP SCREW M5 L=6 * 1
41 40203150 AT SHAFT BASE 1
42 SM6040602TP SCREW M4X0.7 L=6 2
43 40203152 SQUARE_BLOCK_GUIDE 1
44 SM6062502TP SCREW M6 L=25 3
45 40203139 SQUARE BLOCK 1
46 40203125 NEEDLE BAR ROD 1
47 40203137 NEEDLE CRANK SHAFT 1
- 10 -
46
26
38
42
41
40 39
48
33
29
12
36
30
31
34
35
32
43
45
47
44
1
21
22
19
20
4
15
25
25
2
6
3
3
7
9
11
10
5
8
18
17
16
14
13
23
49
24
27
28
37
MAIN SHAFT COMPONENTS
- 11 -
MAIN SHAFT COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
48 SM8040412TP SET SCREW M4 L=4 1
49 40141717 MAIN_SHAFT 1
- 12 -
6
6
15
15
15
15
15
15
15
15
30
13
33
32
31
24
23
22
16
16
25
27
26
28
29
4
19
3
17
14
9
1
1
21
5
10
10
8
12
7
7
2
2
20
18
11

HOOK DRIVING SHAFT COMPONENTS

- 13 -
HOOK DRIVING SHAFT COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 SB112001600 BEARING 2
2 SB110000600 BALL BEARING 2
3 SB115000200 BEARING 1
4 SB115001500 BEARING 1
5 40004188 BEARING_SUPPORT 1
6 40203086 LOWER SHAFT INNER BUSH 2
7 RC2791218KP RETAINING RING 2
8 40004186 HOOK_DRIVING_SHAFT 1
9 40004187 HOOK_DRIVING_SHAFT_METAL 1
10 SM8050502TP SCREW M5 L=5 2
11 13710306 INTERMEDIATE SPROCKET SHAFT 1
12 13710504 INTERMEDIATE SPROCKET WASHER 1
13 13729066 HOOK COMPL. ☆ 1
14 40141739 LOWER_SHAFT_KNOB_B 1
15 SM80606A2TP SCREW M6 L=6 8
16 40011355 OIL_FILTER 2
17 14504401 BEARING SUPPORT 1
18 40004180 SPROCKET_B 1
19 40203065 SPROCKET_C 1
20 13710405 INTERMEDIATE SPROCKET RING 1
21 40006317 WASHER 1
22 40142753 ADJUSTING_PIN_B 1
23 40142754 ADJUSTING_SPRING_B 1
24 40142752 ADJUSTING_SCREW_B 1
25 40006320 FELT 1
26 23630007 TUBE 1
27 CQ202000000 OIL WICK 1
28 B1811771000 BOBBIN ☆ 1
29 13729769 BOBBIN CASE ASM. ☆ 1
30 13729652 HOOK SLEEVE CONNEC. 1
31 13729603 HOOK SLEEVE * 1
32 CQ252000000 OIL WICK * 0.04
33 HX002550000 TUBE * 0.017
- 14 -
A
A
25
25
79
36
14
14
29
30
37
41
12
44
49
69
60
23
68
42
19
22
22
22
9
15
16
40
70
71
74
76
75
77
73
72
67
66
65
64
63
62
61
59
58
57
55
54
53
52
51
50
48
46
45
43
31
32
35
39
39
38
33
78
34
28
28
28
28
20
20
4
4
18
27
11
26
26
1
6
3
3
21
13
47
10
17
17
56
8
7
2
24
5

PRESSER & FEED COMPONENTS

- 15 -
PRESSER & FEED COMPONENTS
No. Parts No. Parts name Remarks Level Cons Qty
1 40139181 FEED MOTOR ASSY 1
2 HD00057000A PHOTO SENSOR 1
3 22891204 BEARING SUPPORT 2
4 40203133 THROAT PLATE BASE COVER 2
5 40004194 MOTOR_BRACKET 1
6 40203066 PULLEY_B 1
7 40203151 PULLEY_C 1
8 40004198 SUPPORT_SHAFT 1
9 40004200 TIMING_BELT_HOLDER 1
10 40004201 FEED_SHAFT 1
11 40022121 FEED_GUIDE_SHAFT 1
12 40141744 SENSOR_SLIT_PLATE 1
13 40141741 FEED_BASE 1
14 SB710000600 BEARING 2
15 40010434 THRUST_COLLAR_ASM. 1
16 40010435 THRUST_COLLAR * 1
17 SM8050412TP SCREW M5 L=4 * 2
18 40004205 WORK_CLAMP_CARRIER 1
19 SL4031091SC SCREW M3 L=10 1
20 SM6040602TP SCREW M4 L=6 4
21 SM6040802TP SCREW M4X0.7 L=8 2
22 SM6041002TP SCREW M4 L=10 6
23 SM6061002TP SCREW M6 L=10 3
24 SM6061802TP SCREW M6 L=18 1
25 SM8050502TP SCREW M5 L=5 3
26 SM80606A2TP SCREW M6 L=6 2
27 40141742 TIMING_BELT 1
28 SM5040550TP SCREW M4 L=5 4
29 40142161 LIFTING_LINK_ASSY 1
30 40141788 LINK_ROD_S * 1
31 40141801 LIFTING_LINK_PIN * 1
32 SD0800326TP SHOULDER SCREW * 1
33 40142755 LIFTING_LINK * 1
34 40139182 CLAMP MOTOR ASSY 1
35 SD0800326TP SHOULDER SCREW 1
36 40165700 PBL_GEAR_L 1
37 40004267 ASSY_PBL_MOTOR_BASE 1
38 SM6041202TP SCREW M4X0.7 L=12 4
39 SM8060552TP SCREW M6 L=5 5
40 SM8050502TP SCREW M5 L=5 1
41 SM6040502TP SCREW M4X0.7 L=5 1
42 RE0500000K0 E-RING 1
43 13127402 PIN (SHORT) C 1
44 40141757 SQUARE_BLOCK 1
45 40141755 SLIDE_ROLLER 1
46 40141754 COLLAR 1
47 SB408000100 BEARING 1
- 16 -
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