Brother International LK3-B434 Parts Manual - English
Brother International LK3-B434 Manual
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- Brother International LK3-B434 | Parts Manual - English - Page 1
A LK3-B434 ( P434102 ....... .•.:•J•.•' High Speed Lock Stitch Pattern Tacking Machine (Single Step Work Clamping System) BROTHER INDUSTRIES, LTD. NAGOYA, JAPAN - Brother International LK3-B434 | Parts Manual - English - Page 2
supply. If, however, there is a number in the "Assembly No." column, the parts can be ordered as an assembly. Please, therefore, order by using the Assembly No. 4. Those parts whose parts No. columns show are different according to number of stitches and design. Therefore, order the parts by - Brother International LK3-B434 | Parts Manual - English - Page 3
Notes sur ('utilisation de ce manuel de pieces detachees 1. Ce manuel est destine aux machines a coudre ayant le meme numero de plaque montre sur la couverture de ce manuel (ou sur la feuille de corrections). 2. Si le symbole se trouve dans la colonne "Parts No. (N° de piece)" ou dans la colonne - Brother International LK3-B434 | Parts Manual - English - Page 4
CONTENTS A. Machine Body 1 B. Upper Shaft • Lower Shaft and Needle Bar Mechanism 2 C. Pulley and Clutch Mechanism 3 D. Power Lift and Clutch Mechanism 4 E. Presser Arm Mechanism 5 F. Feed Mechanism 6 G. Vertical Shaft Mechanism 7 H. Work Clamp and Thread Wiper Mechanism 8 J. Thread - Brother International LK3-B434 | Parts Manual - English - Page 5
A. Machine Body 14-0 10 11 o 19 4-i 4-2 5 6 6 1 6 2 12 13 n 15 16 3-60a 6 I II 1I 2 _so 1 41 42 -44 43 30D-45 ] - 46 co el a Lrk i 8 -BROTHER- 38 eb- 39 S 11 18 210 -- (n-2 -11 21 00 40 4E1 37-* 47 48 49 • 23 COO a 37 49_ o e 31 30 29 (5, --32 1 4±:)--33 - 34 - Brother International LK3-B434 | Parts Manual - English - Page 6
6 B- 7-1 B- 7-2 B- 7-3 B- 7-4 B- 7-5 B- 7.6 B- 7-7 B- 8 0- 9 B-10 B-11 B-12 B-13 B-14 B-15 0-16 11-17 0-18 B-19 B-20 B-21 0-22 B-23 B-24 B-25 B-26 B-27 B-28 B-29 B-30 B-31 B-32-1 6 Shuttle Race Body Shuttle Race Thread Guide (R) Screw 3.18 x 3 Shuttle Race Thread Guide (L) Felt Screw 3.18 x 7 Washer - Brother International LK3-B434 | Parts Manual - English - Page 7
5.95 Spring Spring Hook Washer 2-5 Bolt 4.76 Stop Ring C18 Clutch Lever Shaft Screw 7.94 x 10 Washer 18 Clutch Lever Washer 18 Washer 8 Bolt 8 x 15 Felt Brake Side Pin Screw 5.95 x 6 Ball Presser Plate Washer 2-8 Bolt 8 x 25 Screw 6.35 Nut 6.35 Wick Wick Holder Washer 2-4 Screw 3.57 x 5 Stopper Bar - Brother International LK3-B434 | Parts Manual - English - Page 8
4,,r• ---`,'" 20 17 16 i6 ce9-23 27 28 29 30 31 34 35 36 37 '1 32 13 14 15 16 17 181 -1 1119 1j1 38 39 46 47 25 3 29 334344 45 • 40 41 42 50 a Cam D 5-2 D 5-3 O- 54 D- 6 D- 7 D 8 D 9 D-10 D D-12 D-13 D-14 D-15 D-16 O-17 D 81 D- 8 2 D- 8 3 D-194 D-19 O-20 D-21 D-22 D-23 D-24 Bolt - Brother International LK3-B434 | Parts Manual - English - Page 9
5-10 5-3 5-e 5-5-40 5-4 T-17 18 41, I -se fP Ref. No. E- 2 E 1- & 5 1 6 E- I-ll E 1-12 E 1-13 E 1-14 1-15 E 1-16 E 7 E 1-18 E 1-19 20 E 4 Name of Parts Work Clamp Work Clamp Guide Bracket (A) Work Clamp Guide Bracket (B) Screw 3.57 Presser Arm Lever (L) Stop Ring ell Horizontal Feed Crank Ring - Brother International LK3-B434 | Parts Manual - English - Page 10
95 Tack Length Regulator Lever F- 5-2 F- 6 F- 7 F-10 F-11 F-12-1 Bolt 8 x 20 Screw 5.95 x 6 Bushing Nut Washer Tack Regulator Shaft F-12-2 F-13 F-14-1 t F-14-2 F-15 F-16 F-17 F-18 F-19 F-20 F-21 Slide Block Tack Length Lever Roller Roller S x 19.8 Screw 4.37 x 6 Tack Length Lever Shaft Washer 18 - Brother International LK3-B434 | Parts Manual - English - Page 11
Cam Shaft Sleeve G- 3 G 4 G 5 Bolt 6 x 30 Change Gear (C) Feed Cam G- 6 G 7 Washer 8 Washes 2-6 G 8 Bolt 6 x 20 G 9 Washer 8 G-10 G-11 G12 G-13 Bolt 8 x 15 Sleeve Worm Wheel Washer G-14 Bolt 6 x 20 Worm G 6 Washer G-17 Screw 5.95 G-18 Washer G-19 G-20 G Screw 5.95 x 6 Vertical - Brother International LK3-B434 | Parts Manual - English - Page 12
2 H- 3 H- 4 H- 5 H- 6 H- 7 H- 8 H- 9 FI-10 H-11 H-12 H-13 11-14 H-15 li-16 H-17 H-18 H-19 II-20 H-21 FI-22 FI-23 11-24 H-25 H-26 H-27 Name of Parts Qty Lifter Lever II-30 .. Tack Length Slide Block Pin H-31 Needle Bar Guide Slide Block II-32 Spring FI-33 Work Clamp Lifter Plate Assembly II-34 - Brother International LK3-B434 | Parts Manual - English - Page 13
68 Ref. No. 3- 1 3- 2 3- 3 J- 4 1- 5 .1- 6 J- 7 3- 8 1- 9 340 1-11 1-12 3-13 J-14 J-15 -146 1-17 1-18 1-19 3-20 1-21 J-22 1-23 J-24 1-25 1-26 1-27 1.28 1-29 1-30 1-31 1-32 1-33 1-34 1- 152925-1-01 Thread Take-up Guide 1 152886-0-01 Screw 4.37 x 4 1 014680-4-22 Guide Stud 1 152887-0-01 Stop - Brother International LK3-B434 | Parts Manual - English - Page 14
31 K-32 K-33 K-34 Name Of Parts Screw 4.76 x 7 Arm Thread Guide Arm Thread Guide Screw 3.57 x 6 Arm Thread Guide Screw 3.57 Screw 5.95 Screw 3.57 x 4 Needle Cooler Thread Guide Felt 7 x 15.5 Needle Cooler Assembly Upper Thread Guide Bar Thread Retainer Screw 3.57 x 6 Tension Release Pin Screw 4.37 - Brother International LK3-B434 | Parts Manual - English - Page 15
048320-242 _.----1 141860-0-01 Assembly No. L-13 Tension Pulley Assembly 152852-1-01 Ref. No. L-14 L-15 L-16 L-17 L-t8 L-19 L-20 L-21 L-22 L-23 L-24 L-25 L-26 L-27 L-28 L-29 Name of Parts Dust Oiler Supporter Screw 4.76 x 6 Oiler Motor Base Plate Motor Base Plate Shaft Stop Ring C10 Bolt MI0 Nut - Brother International LK3-B434 | Parts Manual - English - Page 16
7 M- 8 64- 9 M-10 14-11, M-12 M-13 M-14-1 M-14-2 M44-3 M-14-4 M-14-5 M-14-6 M-14-7 M-15 M-16 61-17 M-18 M-19-1 M-19-2 M-19-3 M-19.4 M-19-5 M-19-6 M-19-7 M-20 M-21 M-22 M-23 M-24 1 021670-2-02 1 152967-0-01 M49 1 141692-0-01 FAelt Supporter ra dy 3 02535(1-3-32 152961-0-01 1 009671-4-12 2 - Brother International LK3-B434 | Parts Manual - English - Page 17
Plate Z-15- 4-4 Thread Hanger Z-15. 4-5 Thread Guide Spring Z-15- 5 Pipe 2-15- 6-1 Joint Z-15- 6-2 Screw 5 x 14 Z-15- 6.3 Nut 5 Z-15- 7 Spool Shaft (B) Z-15- 8 Spool Cushion Z-15- 9 Spool Mat Z-15-10 Spool Stand Base Z-15.11 Washer 2-5 Z-15-12 Nut 5 Z-15-13-1 Spool Holder 2 Z-15.13 - Brother International LK3-B434 | Parts Manual - English - Page 18
#18 Needle DP x 17 #19 Needle DP x 17 #21 Needle DP x 17 #24 Needle DP x 17 #25 Needle PF x 34 R # 8 Needle Bar Thread Guide A Needle Bar Thread Guide B Needle Bar A (0.0) Needle Bar B (01.62) Needle Bar C (02.02) Shuttle Hook A (for standard) Shuttle Hook B (for thick materials) Shuttle Rece Ring - Brother International LK3-B434 | Parts Manual - English - Page 19
Plate 100 E-18 -. _ - 7 F- 1 Feed Guide Plate 140 Tack Length Lever 100 156073-0-01 156074-0-01 153347-1-01 F- 5 ,' \ Tack Length Regulator Lever Assembly 0 Cam Roller Assembly A O7.94) F-14 0 Cam Roller Assembly B (07) - 15 - 153762-1-01 154711-0-01 153352-0-01 153357 - Brother International LK3-B434 | Parts Manual - English - Page 20
Ref. No. Name of Parts \4 F-16 F-36 F-38 gc-Ti Sub-class Tack Length Lever Shaft A Tack Length Lever Shaft B Tack Length Lever Shaft C Tack Width Feed Shaft Assembly A Tack Width Feed Shaft Assembly B Tack Width Feed Shaft Assembly C 434 434-700 Standard with Finger Guard & Eye Guard - Brother International LK3-B434 | Parts Manual - English - Page 21
Ref. No. Name of Parts o G-56 Change Gear W (49 stitches) Change Gear W (56 stitches) Change Gear W (63 stitches) Change Gear W (70 stitches) Change Gear W (77 stitches) Change Gear W (84 stitches) Change Gear W (98 stitches) Change Gear W (112 stitches) Change Gear W (126 stitches) Change Gear W ( - Brother International LK3-B434 | Parts Manual - English - Page 22
Ref. No. Name of Parts J-69 [K f-t 4 Spring B Sub-class 434 434-700 Standard with Finger Guard & Eye Guard Standard with Finger Guard & Eye Guard 155551-0-01 K-33 i 'z, ( Thread Take-up Spring (for standard) Thread Take-up Spring B (for thick materials) K-37 Z-10 Z-12 / - ( , 411 ; 1 - Brother International LK3-B434 | Parts Manual - English - Page 23
/50 (015.88) Motor Pulley B 1800/50 (015.88) Motor Pulley B 1300/60 (015.88) Motor Pulley B 1500/60 (015.88) Motor Pulley B 1800/60 (4)15.88) V Belt M49 1000/50 V Belt M49 1300/50 V Belt M50 1500/50 V Belt M51 1800/50 V Belt M48 1000/60 V Belt M49 1300/60 - Brother International LK3-B434 | Parts Manual - English - Page 24
33 025680-2-32 025770-2-32 Ref. No. F-35 G-19 G-47 H-25 H-28 H-37 H-46 J-13 J40 1-55 J-61 Z-14 B-13 B-14 B-48 C- 2 G-22 C43 D-15 L-24 Z-15- 3 Z-15-16 E- 9 E-12 D-37 B-31 E- 2 D49 D- 5- 2 G-57 0-53 G44 G- 8 G-14 G-53 G42 F-20 G- 3 G-26 G-37 L-10 F- 5- 2 F-33- 2 C-54 E- 1-14 B-62 J-36 L-29 L-21 Z-26 - Brother International LK3-B434 | Parts Manual - English - Page 25
00 151936-0-01 151937-0-01 Z-15-14 151938.0-01 Z-15 151939-0-01 Z-15. 5 151940-0-01 Z-15- 6- 1 151941-0-01 Z-15-13 151944-0-01 Z-15- 7 Z-15-10 Z-15-14- 2 151946-0-00 151947-1-01 151948-0-01 Z-15- 9 151949-0-01 Z-15. 4- 5 Z-15-14- 1 1519514.01 151952-0-01 Z-15. 4 151953-0-01 Ze15 - Brother International LK3-B434 | Parts Manual - English - Page 26
L-20 L- 7 A-26 A-25 K- 2 K- 3 K-29 K-28 H-17 K-17 K-15 K-20 K-21 Remark Parts No. 152879-1-01 152880-0-01 152881-0-01 152883-0-00 152884-0-01 3 1-12 IC44-10 IC-44- 1 K-44-21 IC-44- 9 IC-44- 8 K44-19 K-44-12 K44-22 IC44-15 K43 Id-13 IN-50 M-14 IN-14- 1 M-14- 7 M-14- 5 M45 M- 1- 2 M- 1- 3 M- 4 - Brother International LK3-B434 | Parts Manual - English - Page 27
Parts No. Ref. No. Remark 154178-1-01 J-21 154183-0-01 H-36 154299-0-01 F-36 154305-0-01 Z-13 154306-0-01 Z-13 154320-0-01 F-36 154321-0-01 F-36 154332-0-01 D-25- 3 H42- 1 154333-0-01 D-25- 1 H-42- 3 154432-0-02 A-42 154465-0-01 L-14 154528-0-01 K-44- 4 154531-1-01 1-21 154663-0-01 - Brother International LK3-B434 | Parts Manual - English - Page 28
118-434 195434-1-02 July, 1981 Printed in Japan
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A
.......
::•
.•:•••
.
J.'
LK3-B434
(
P434102
.......
High
Speed
Lock
Stitch
Pattern
Tacking
Machine
(Single
Step
Work
Clamping
System)
BROTHER
INDUSTRIES,
LTD.
NAGOYA,
JAPAN