Page 2 - SAFETY INSTRUCTIONS; Safety indications and their meanings; CAUTION
i LK3-B430E-, B431E-, B432E-, B433E- Mark II Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instruc-tions below and the explanations given in the instruction manual. With industrial sewing machines, it is normal to carry out work while ...
Page 3 - ii; Environmental requirements; Installation; DANGER
ii LK3-B430E-, B431E-, B432E-, B433E- Mark II Use the sewing machine in an area which is free fromsources of strong electrical noise such as high-frequency welders.Sources of strong electrical noise may cause prob-lems with correct operation. Any fluctuations in the power supply voltage shouldbe wit...
Page 4 - iii; Sewing; Maintenance and inspection
iii LK3-B430E-, B431E-, B432E-, B433E- Mark II CAUTION Set the needle to the needle up stop position beforeturning off the power.If this is not done, the wiper may strike the needle,which might cause the needle to break. Turn off the power switch before carrying out cleaning,otherwise the machine ma...
Page 5 - iv
iv LK3-B430E-, B431E-, B432E-, B433E- Mark II Safety devices Eye guardFinger guardThread take-up coverThread take-up solenoid coverBelt coverMotor cover, etc. 2 Moving partsmay cause injury. Operate with safety devices.Turn off main switch before threading, changing bobbin and needle, cleaning etc. ...
Page 6 - CONTENTS; CHECKING THE SEWING PATTERN
LK3-B430E-, B431E-, B432E-, B433E- Mark II CONTENTS 1. NAME OF EACH PART ............................... 0 1 2. SPECIFICATIONS ......................................... 0 2 2-1. Specifications ....................................... 2 2-2. Program list .......................................... 3 3....
Page 9 - feed plate are different.
3 LK3-B430E-, B431E-, B432E-, B433E- Mark II 2-2 . Program list Sewing patterns are limited as shown in the table below. (Any program is available as long as the sewingpattern is within the work clamp and feed plate in size.)The sewing size is the length when the enlargement/reduction ratio is 100%....
Page 13 - • Use the power table which has been specially
7 LK3-B430E-, B431E-, B432E-, B433E- Mark II Machine installation should only be carriedout by a qualified technician. Contact your Brother dealer or a qualifiedelectrician for any electrical work that mayneed to be done. The sewing machine head weighs more than47 kg. The installation should be carr...
Page 25 - POWER; Series; to; is pressed to shown the program
19 LK3-B430E-, B431E-, B432E-, B433E- Mark II 5 . OPERATION 5-1 . Name and function of each operation panel item S E L E C T PROGRAM NO. R E S E T COUNTER X-SCALE Y-SCALE SPEED P T E S T BOBBIN.WIND P4 P3 P1 P2 POWER B430E Series q w re t y u i o !0 !1 !4 q POWER indicator .................. Ill...
Page 26 - is pressed to shown the speed set-
20 LK3-B430E-, B431E-, B432E-, B433E- Mark II S E L E C T PROGRAM NO. R E S E T COUNTER X-SCALE Y-SCALE SPEED P T E S T BOBBIN.WIND P4 P3 P1 P2 POWER B430E Series y i o !0 !1 !4 !2 !3 i X-SCALE indicator ................ Illuminates when the SELECT switch y is pressed to shown the X-scale set- t...
Page 27 - Press the SELECT switch
21 LK3-B430E-, B431E-, B432E-, B433E- Mark II 5-2 . Operating procedure Program No. X-scale (%) Y-scale (%) Speed (rpm) Factory default 0 *1 100 100 2,000 B431E MarkII B432E MarkII B433E MarkII 1 – 6 1 – 3 100 – *2 B430E MarkII Variable range 1 – 33 20 – 200 20 – 200 1,000 –2,500 1,000 –...
Page 28 - When checking by operating only the feed mechanism
22 LK3-B430E-, B431E-, B432E-, B433E- Mark II 1. Turn on the power switch. (The POWER indicator will illuminate and the program number will flash in the display window.) 2. Press the TEST switch. (The TEST indicator will illuminate.) 3. Depress the foot switch to the second step. Only the feed mecha...
Page 29 - Loosen the set screw
23 LK3-B430E-, B431E-, B432E-, B433E- Mark II 7. CORRECT USE 7-1 . Selecting the needle and thread DP × 5 #9 DP × 5 #14 DP × 17NY #19 Thread #100 - #60 #80 - #50 #50 - #20 Main application Knitted materials Ordinary materials Denim Needle q w 9 10 11 q w Approx. 40mm [When using the liquid cooling t...
Page 31 - -5. Replacing the bobbin case and threading the thread; Pull the shuttle race cover; -6 . Sewing conditions and thread tension
25 LK3-B430E-, B431E-, B432E-, B433E- Mark II Turn off the power switch before removing and replacing the bobbin case, otherwise the machinemay operate if the foot switch is depressed by mistake and serious injury could result. q 3 0 m m Upper thread Lower thread Upper thread tension (N) Lower threa...
Page 32 - layers of denim; Turn the tension nut
26 LK3-B430E-, B431E-, B432E-, B433E- Mark II 8 layers of denim 12 layers of denim Ordinary materials Max. sewing speed(rpm) 2,700 2,300 2,700 Use knitted materials 2,500 8 layers of denim Ordinary materials Max. sewing speed(rpm) 2,500 2,500 Use Weaker Stronger Weaker S t r o n g e r w q 7-6-1. Gui...
Page 33 - Turn the tension stud
27 LK3-B430E-, B431E-, B432E-, B433E- Mark II Lower Higher q Become greater Become less q w w q e q Weaker S t r o n g e r 7-6-4 . Thread take-up spring height 7-6-5. Thread take-up spring tension Loosen the set screw q and turn the tensioner body to adjust the thread take-up spring height. Turn the...
Page 35 - . MAINTENANCE AND INSPECTION
29 LK3-B430E-, B431E-, B432E-, B433E- Mark II r 9 . MAINTENANCE AND INSPECTION 9 . MAINTENANCE AND INSPECTION CAUTION Turn off the power switch before carrying out cleaning, otherwise the machine may operate if thefoot switch is pressed by mistake, which could result in injury. Be sure to wear prote...
Page 37 - -4 . Cleaning the control box air inlet port
31 LK3-B430E-, B431E-, B432E-, B433E- Mark II 9 . MAINTENANCE AND INSPECTION q 9-3 . Draining the oil 1. R e m o v e a n d e m p t y t h e w a s t e o i l c o n t a i n e r q whenever it is full. 2. After emptying the waste oil container q , screw it back into its original position. 9-4 . Cleaning t...
Page 38 - 0 . STANDARD ADJUSTMENTS; 0-2 . Adjusting the needle bar lift amount
32 LK3-B430E-, B431E-, B432E-, B433E- Mark II Maintenance and inspection of the sewingmachine should only be carried out by a quali-fied technician. Ask your Brother dealer or a qualified electri-cian to carry out any maintenance and inspec-tion of the electrical system. Turn off the power switch an...
Page 39 - 0-5 . Adjusting the shuttle race thread guide
33 LK3-B430E-, B431E-, B432E-, B433E- Mark II 1 0.01 - 0.08mm T i p Needle center line 10-3 . Adjusting the driver needle guard Turn the machine pulley to align the tip of the rotary hook with the needle center line. Then loosen the setscrew w and turn the eccentric shaft e to adjust so that the dri...
Page 42 - 0-8 . Adjusting the work clamp lift amount
36 LK3-B430E-, B431E-, B432E-, B433E- Mark II 10-7-2. Adjusting the engagement of the movable knife and fixed knife A . After the movable knife and fixed knife are properly engaged, tighten the screw as shown in Fig.1.B. Turn the movable knife (in the direction of the arrow) while the screw is still...
Page 45 - 0-12. Adjusting the needle up stop position
39 LK3-B430E-, B431E-, B432E-, B433E- Mark II 2 ± 0.5mm q w e A p p r o x .2 0 m m r t 10-12. Adjusting the needle up stop position The needle up stop position is adjusted so that theindex mark w on the machine pulley q is inside the mark r on the belt cover e . If adjustment is necessary, loosen th...
Page 46 - 0-14. Checking the input sensor and DIP switch input
40 LK3-B430E-, B431E-, B432E-, B433E- Mark II 1. When the X-SCALE indicator q is illuminated and the RESET switch e is pressed while the TEST switch w is being pressed, the state of the X home position signal will appear on the display window r . · When sensor is ON · When sensor is OFF 2. Each time...
Page 49 - USING THE COUNTERS
43 LK3-B430E-, B431E-, B432E-, B433E- Mark II 11. USING THE COUNTERS 11-1 . Using the bobbin thread counter S E L E C T PROGRAM NO. R E S E T COUNTER X-SCALE Y-SCALE SPEED P T E S T BOBBIN.WIND P4 P3 P1 P2 POWER B430E Series r e y t q S E L E C T PROGRAM NO. R E S E T COUNTER X-SCALE Y-SCALE SPE...
Page 50 - CHANGING FUNCTIONS USING THE DIP SWITCHES; T h e o p e r a t i o n p a n e l D I P s w i t c h e s
44 LK3-B430E-, B431E-, B432E-, B433E- Mark II q DIPA-1 DIPA-2 DIPA-3 DIPA-4 DIPA-5 DIPA-6 DIPA-7 DIPA-8 Motion when set to ON See “12-2. Setting the presser mode” Presser does not automatically lift after sewing is completed. Two-pedal mode is available. User program mode is available. – The presser...
Page 51 - 2-3 . DIP switches inside the control box; The DIP switches
45 LK3-B430E-, B431E-, B432E-, B433E- Mark II q DIPB-1 DIPB-2 DIPB-3 DIPB-4 DIPB-5 DIPB-6 DIPB-7 DIPB-8 Motion when set to ON First two stitches are sewn at a low speed of 260 rpm. Last two stitches are sewn at a low speed of 260 rpm. – Last two stitches are sewn at a low speed of 700 rpm. First two...
Page 54 - CHANGING SPECIAL FUNCTIONS USING THE MEMORY SWITCHES
48 LK3-B430E-, B431E-, B432E-, B433E- Mark II memo-00 memo-01 memo-02 memo-03 memo-04 memo-05 memo-06 memo-07 memo-08 memo-09 memo-0A memo-0b memo-0c memo-0d memo-0E memo-0F Motion when set to ON At the end of sewing, the feed plate will be returned to the sewing start point via mechanical home posi...
Page 58 - TABLE OF ERROR CODES
52 LK3-B430E-, B431E-, B432E-, B433E- Mark II Wait at least 5 minutes after turning off the power switch and disconnecting the power cord fromthe wall outlet before opening the face plate of the control box. Touching areas where high volt-ages are present can result in severe injury. Machine motor o...
Page 60 - GAUGE PARTS LIST ACCORDING TO SUBCLASSES; are common with the LK3-B430E parts with
54 LK3-B430E-, B431E-, B432E-, B433E- Mark II 15. GAUGE PARTS LIST ACCORDING TO SUBCLASSES The following are standard gauge parts according to each specification. (In the following table, parts marked with ★ are common with the LK3-B430E; parts with ✩ are common with the BAS-311E.) 15. GAUGE PARTS L...
Page 64 - Part name
58 LK3-B430E-, B431E-, B432E-, B433E- Mark II 15. GAUGE PARTS LIST ACCORDING TO SUBCLASSES -3 – -2 R 154417-101 118249-001 154416-101 118250-001 S51852-001 S51084-001 S51853-001 L Spec. Model B432E Mark II B431E Mark II Work clamp, U Feed plate 33 21 21 28 3 17 3 16 3 27 3 10 5 -1 -7 Spec. Part name...
Page 66 - Feed
60 LK3-B430E-, B431E-, B432E-, B433E- Mark II 15. GAUGE PARTS LIST ACCORDING TO SUBCLASSES 11 12 13 S46771-001 (For straight bar tacking/submerged) S46774-001 (For vertical bar tacking) S46774-001 (For vertical bar tacking/submerged) S46770-001 (For straight bar tacking/submerged) S46773-001 (For ve...
Page 67 - FD
61 LK3-B430E-, B431E-, B432E-, B433E- Mark II 15. GAUGE PARTS LIST ACCORDING TO SUBCLASSES S10211-001 A S51449-001 AF For knitted materials For ordinary materials For denim S30926-001 FD S41013-001 BZ S49980-001 FM S29997-001 D S30450-001 H S10212-101 E S25127-001 L S30925-001 ED S34348-001 M S10213...
Page 71 - and moving work clamp arm levers.
65 LK3-B430E-, B431E-, B432E-, B433E- Mark II 17. OPTIONAL PARTS ■ Two-pedal foot switch ....................................... The presser switch and the start switch have been separated, giving the operator more flexibility to select the best methodof working. ■ Two-step foot switch ................
Page 73 - INSTRUCTION MANUAL
INSTRUCTION MANUAL BROTHER INDUSTRIES,LTD. NAGOYA,JAPAN Printed in Japan 118-V30, V31 V32, V33 S91V30-102,-10+ 2000.03. B (1)
