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Brother LK3-B434E Parts Manual

Electronic lockstitch pattern tacker.
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LK3 B434E
LK3 B434EX
LK3 B434EX/SF
Electronic Lockstitch Pattern Tacker
Electronic Lockstitch Pattern Tacker
with Stepping Foot

Specifications

Model
Application
Stitch formation
Max. sewing speed
Max. pattern size
Feed mechanism
Stitch length
Max. stitch number
Work clamp lifter
Work clamp height
Hook
Wiper device
Thread trimmer device
Stepping foot lift amount
Stepping foot stroke
Safety equipment
Data storage method
No. of stored data
Motor
Weights
Power supply
*1 Because of the R
sewing pitch is set to 3 mm or less.
LK3 B434E
Thin, medium, heavy,
extra heavy materials
R intermittent feed mechanism (pulse motor driven mechanism)
5,000 stitches (including 4,000 stitches which can be added)
Solenoid type or pneumatic type
(Max. 17 mm for inner clamping device)
PROM (Any sewing pattern can be added using BAS PC/300)
Up to 50 patterns can be added. Total number of stitches of stored data which can be
Machine head: 49kg Control box: 9 19kg (depending
feed, sewing at maximum speed may not be possible for some sewing data, even if the
LK3 B434EX
Medium, extra heavy
materials
Single needle lock stitch
2,000 rpm (Pitch 3 mm *1)
Max. 100 60 mm
0.1 10.0 mm
For solenoid : 17 mm max.
For pneumatic : 20 mm max.
Shuttle hook ( 1.8 shuttle hook, optional)
Standard equipment
Standard equipment
18 mm (Stepping foot specifications only)
0, 3 8 mm (Stepping foot specifications only)
Built in stopping mechanism
added is within 4,000.
Three phase 400W induction motor
on destination)
Single phase 220 230V
Three phase 220, 380, 400, 415V
Max. electric power consumption; 600VA
2000.7
LK3 B434EX / SF
Extra heavy materials
Pneumatic type
20 mm max.
Machine head: 50kg
Control box: 9 19kg
(depending on destination)
LK3 B434E 1/17

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   Summary of Contents for Brother LK3-B434E

  • Page 1: Specifications

    LK3 B434E LK3 B434EX LK3 B434EX/SF Electronic Lockstitch Pattern Tacker Electronic Lockstitch Pattern Tacker with Stepping Foot Specifications Model LK3 B434E LK3 B434EX LK3 B434EX / SF Thin, medium, heavy, Medium, extra heavy Application Extra heavy materials extra heavy materials materials Stitch formation Single needle lock stitch...
  • Page 2 Main use Patterns up to a maximum size of 100 mm 60 mm can be sewn. For plain stitching of small articles, curtain darts, etc. Two stage work clamp, light work clamp and inner clamping device can be used (for pneumatic). For attaching items, sewing labels, etc.
  • Page 3: Feed Mechanism

    Feed mechanism Ref. No. Part name Part code Q’ty <For Y=20 mm or less> Work clamp, S 153368 001 Feed bar guide cover, S 153392 001 <For Y=34 mm or less> Feed bar guide cover, S 153392 001 <For Y=49 mm or less> Work clamp, S 153368 001 LK3 B434E 3/17...
  • Page 4 Feed mechanism LK3 B434E 4/17 2000.7...
  • Page 5 Feed mechanism Ref. No. Part name Part code Q’ty <For inner clamping device> Work clamp arm assy, 434E REV 46 7 S42006 009 Work clamp arm, Z34 air 46 7 1 S41658 009 Work clamp arm lever, FR 46 7 2 S10054 001 Work clamp arm lever, RR 46 7 3...
  • Page 6 Feed mechanism Ref. No. Part name Part code Q’ty Blank <For medium materials> Work clamp blank, 434 1R S42030 001 Work clamp blank, 434 1L S42031 001 Feed plate b lank, 434 1 S42034 001 <For extra heavy materials> Work clamp blank, 434 2R S42032 001 Work clamp blank, 434 2L S42033 001...
  • Page 7 Feed mechanism “Option parts” <100 60> Work clamp, R 55 1 153493 001 Work clamp, L 56 1 153498 001 57 1 Feed plate 153503 001 <For tongue tacking stitch 51 13 > 55 2 Work clamp, right 434 519 S23377 001 56 2 Work clamp, left 434 519...
  • Page 8: Presser Foot Lifter Mechanism

    Feed mechanism “Option parts of stepping foot ” <For one touch work clamp> Work clamp, right 434ESF S44940 001 Work clamp, left 434SF S44941 001 <One touch work clamp assy> OT work clamp assy, 434EA S43990 001 OT work clamp assy, 434EB S43991 001 OT work clamp assy, 434EC S43992 001...
  • Page 9: Thread Wiper Mechanism

    Thread wiper mechanism Ref. No. Part name Part code Q’ty <For solenoid type> Thread wiper driving lever S38023 001 Thread wiper shaft 152822 001 Washer, plain M6.35 025770 232 Retaining ring, E4 048040 342 Set screw, socket (CP) SM4.37 014680 622 Thread wiper rod shaft S38024 001 Thread wiper rod assy...
  • Page 10 Thread wiper mechanism Ref. No. Part name Part code Q’ty <For pneumatic type, inner clamping device> Set screw, socket (CP) SM4.76 014710 522 Washer S21875 001 Thread wiper connect rod assy S41656 001 Thread wiper arm assy S37877 001 Shoulder screw, M3.57 153112 001 Thread wiper, A 156206 001...
  • Page 11 Thread wiper mechanism Ref. No. Part name Part code Q’ty <For stepping foot> Set screw, socket (CP) SM4.76 014710 522 Washer S21875 001 Thread wiper, A 156206 001 Nut, 2 SM3.57 021670 202 Washer, plain S41205 001 Thread wiper spring S41206 001 Spacer rubber S41207 000...
  • Page 12: Air Pressure Mechanism

    Air Pressure mechanism Ref. No. Part name Part code Q’ty <For pneumatic type, inner clamping device, stepping foot> Branch, UY 4 S08178 000 Plug, 4 S04897 000 Air tube (L = 930) S28730 000 Wood screw, round M5.5 32 031553 202 Fastening band, 1.9 80 228475 000 Air tube with connector...
  • Page 13 Air Pressure mechanism Ref. No. Part name Part code Q’ty <For pneumatic type> Air unit assy S42015 001 Valve set plate S42011 001 Filter regulator S42012 001 Ball valve, 1/4 S09231 000 Nipple S09228 000 Valve assy, 2 S42016 001 2 5 1 Valve, VQZ1151S 5 S39116 000...
  • Page 14: Power Supply Equipment

    Power supply equipment Ref. No. Part name Part code Q’ty Option parts OP box assy S38048 009 30 1 OP PCB assy S38051 000 30 1 1 Key pad switch, JB 15LMP2 S38056 000 OP box harness 30 2 S38053 000 Cord holder, 5N S00480 000 Screw, pan SM4.37 40 10...
  • Page 15: Attachment Set

    Attachment set LK3 B434E 15/17 2000.7...
  • Page 16 Attachment set Ref. No. Part name Part code Q’ty Inner clamp device set S43910 201 Work clamp crank assy, 434E S42007 001 Work clamp crank holder, A 2 1 1 S12634 009 2 1 2 Work clamp holder, B S42008 001 Reverse cylinder base 2 1 3 S42019 001...
  • Page 17: Gauge Parts List

    Gauge parts list For general clothing For denim For safety belt Part name Needle hole plate Needle hole plate, F Needle hole plate, E Needle hole plate, L S10213 001 S10212 101 S25127 001 Shuttle hook Shuttle hook, A w/box Shuttle hook, B w/box Standard box assy...

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Lk3-b434exLk3-b434ex/sf

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