BrotherメーカーKE-430Fの使用説明書/サービス説明書
ページ先へ移動 of 184
KE-430F BE-438F Please read this manual before making any adjustments. ELECTRONIC DIRECT DRIVE LOCKSTITCH BAR TACKER ELECTRONIC DIRECT DRIVE LOCKSTITCH BUTTON SEWER SER VICE MANUAL.
KE-430F , BE-438F This service manual is intended for KE-430F and BE-438F; be su re to read the KE-430F/BE-438F instruction manual before this manual. Carefully read the “SAFETY INSTRUCTIONS” below and the whole of this manual to understand this product before you start maintenance.
KE-430F , BE-438F i SAFETY INSTRUCTIONS [1] Safety indications and the ir meanings This service manual and the indications and symbols that are used on the machine it self are provided in order to ensure safe operation of this machine and to prevent a ccidents and injury to yourself or other people.
KE-430F , BE-438F ii [2] Notes on safety DANGER Wait at least 5 minutes after turning off the pow er sw itch and disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high voltages are present will result in serious injury from electric shocks.
KE-430F , BE-438F iii CAUTION Sewing This sewing machine should only be used by operators who have received the necessary training in safe use beforehand. The sewing machine should not be used for any applications other than sewing. Be sure to wear protective goggles when using the machine.
KE-430F , BE-438F iv [3] Warning labels The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times wh en using the ma chine. If the labels have been removed or are difficult to read, please cont act your nearest Brother dealer.
KE-430F , BE-438F v 2559B 2520B 2521B Transformer box (100V/400V system only ) 2522B Rear cove r Solenoid cover Oil tank Finger guard Eye guard Thread take-up cove r Side cover.
KE-430F , BE-438F CONTENTS 1. SPECIFI CATIONS ............................... 1 2. NOTES ON HANDLING ........................ 2 3. RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS ........... 3 4. FUNCTION SETTINGS ......................... 6 4-1. List of special functions when power is turned on .
KE-430F , BE-438F 9. DISASS EMBLY ................................... 61 9-1. Covers ................................................................. 61 9-2. Work clamp ar m mechani sm................................ 62 9-3. Needle bar mechani sm ...
KE-430F , BE-438F 11-20. Correcting the digita l tension output .............. 125 11-21. Checking the machin e head sw itch ............... 127 11-22. Setting method for standard depression strokes (Foot switch ) .....................................
1. SPECIFICA TIONS KE-430F , BE-438F 1 1 . SPECIFICA TIONS KE-430F Electronic direct drive lockstitch bar tacker BE-438F Electronic direct drive lockstitch button sewer Stitch formation Single needle lock stitch Maximum sewing speed 3,200 sti/min 2,700 sti/min Pattern size (X x Y) 40 x 30 mm max.
KE-430F , BE-438F 2. NOTES ON HANDLING 2 2 . NOTES ON HANDLING About the machine set-up location ・ Do not set up this sewing machine near other equipment such as televisions, radios or cordless telephones, otherwise such equipment may be affected by elec tronic interference from the sewing machine.
3. RELA TIONSHIP BETWEEN PROGRAMS AND P A TTERNS 3 KE-430F , BE-438F 3 . RELA TIONSHIP BETWEEN PROGRAMS AND P A TTERNS Programs specify the wa y that p atterns (stitches) are to be sewn (p arameters). <Programming method> 1. Use a standard pattern which has been r egistered in the actual sewing machine (430F: No.
3. RELA TIONSHIP BETWEEN PROGRAMS AND P A TTERNS 4 KE-430F , BE-438F ・ This sewing machine contains programs numbered 1 to 89 (1 to 64 for the 438F) which contain standard p atterns, and can also be programmed with additional programs numbered from 200 to 999.
3. RELA TIONSHIP BETWEEN PROGRAMS AND P A TTERNS 5 KE-430F , BE-438F Example: ・ Pattern: No. 50 ・ X- and Y -scale: 150% ・ Sewing speed: 2700 sti/min ・ Upper thread tension: 100 Program No. 200 ・ Pattern: No. 50 ・ X- and Y -scale: 50% ・ Sewing speed: 2700 sti/min ・ Upper thread tension: 200 Program No.
4. FUNCTION SETTINGS 6 KE-430F , BE-438F 4 . FUNCTION SETTINGS 4-1. List of special functions when power is turned on This list shows the key operations for using special functions. 1 Data initializatio n function Refer to the CD Instruction Manual. 5 Soft w are version disp lay function Refer to “4-9.
4. FUNCTION SETTINGS 7 KE-430F , BE-438F 9 Main shaft motor st andard po sition adjustment m ode Refer to “1 1-19. Adjusting the main shaft motor standard position”. 11 Protect setting mode Refer to “4-10. Protection settings”. 10 Digit al tension output c orrection mode Refer to “1 1-20.
4. FUNCTION SETTINGS 8 KE-430F , BE-438F 4-2. List of advanced functions This list shows the key operations for using advanced functions. 1 Memory switch setting mode (Standard) Refer to the CD Instruction Manual. 5 Cycle prog ram setting mode Refer to the CD Instruction Manual.
4. FUNCTION SETTINGS 9 KE-430F , BE-438F 4-3. Setting memory switches (Advanced) 1 Change the mode to memory sw itch sett ing mode. While pressing the TEST key and the SELECT key, turn on the power switch. ・ The memory sw i tch number will be displayed in the PROGRAM No.
4. FUNCTION SETTINGS 10 KE-430F , BE-438F 4-4. List of memory switches NOTE: In standard memory switch setting mode (refer to the C D Inst ruction Manual), the bottom tw o digits only display memory switch Nos. 00 to 49. T he bottom two digit s do not display memory switch Nos.
4. FUNCTION SETTINGS 11 KE-430F , BE-438F Sewing machine moto r settings (100 − 199) No. Setting range Initial value Setting units Setting details 100 ON/OFF ON - Slow start p attern setting method ON: Follows the slow start patterns for each program.
4. FUNCTION SETTINGS 12 KE-430F , BE-438F Initial values for each application No. KE-430F-03 KE-430F-05 KE-430F -0K KE-430F -0F BE-438F 151 800 1500 400 800 400 152 1200 2000 800 1200 400 153 2500 250.
4. FUNCTION SETTINGS 13 KE-430F , BE-438F Feed settings (200 − 299) No. Setting range Initial value Setting units Setting details 430F:OFF 200 ON/OFF 438F:ON - Single stitch test feed ON: During tes.
4. FUNCTION SETTINGS 14 KE-430F , BE-438F Initial values for each application No. KE-430F-03 KE-430F-05 KE-430F-0K KE-430F-0F BE-438F 260 -15 -15 -15 -15 10 261 45 50 45 45 -80 262 45 45 45 45 -50 263 45 45 45 45 -50 264 0 25 0 0 0 265 35 35 35 35 15 266 35 0 35 35 15 No.
4. FUNCTION SETTINGS 15 KE-430F , BE-438F Operation panel settings (30 0 − 399) No. Setting range Initial value Setting units Setting details 300 ON/OFF OFF - Production counter display ON: Production counter display OFF: Lower thread counter display 352 ON/OFF OFF - Production counter counting units ON: Counted for each cycle program.
4. FUNCTION SETTINGS 16 KE-430F , BE-438F No. Setting range Initial value Setting units Setting details 407 1 − 999, C01 − C30 1 - Program No. assigned to the F1 key * Enabled when No. 406 is set to “3”. 408 1 − 999, C01 − C30 2 - Program No.
4. FUNCTION SETTINGS 17 KE-430F , BE-438F No. Setting range Initial value Setting units Setting details 430F: 1 − 17 ( m m ) 472 438F: 1 − 13 ( m m ) 1 1 Work clamp/button clamp in te rmediate drop position setting * Enabled when No. 470 is set to “OFF”.
4. FUNCTION SETTINGS 18 KE-430F , BE-438F <X and Y pa rallel mov ement amounts > * When memory switch No. 465 is set to “3”, the following p arameters are displa yed during program mode and sewing standby mode.
4. FUNCTION SETTINGS 19 KE-430F , BE-438F Device settings (500 − 599) No. Setting range Initial value Setting units Setting details 500 ON/OFF OFF - Thread nipper operation ON: Used * However , all of the following conditions must be satisfied. Memory switch No.
4. FUNCTION SETTINGS 20 KE-430F , BE-438F No. Setting range Initial value Setting units Setting details 582 ON/OFF ON 1 Upper thread tension tightening at the sewing start ON: Enabled OFF: Disabled 58.
4. FUNCTION SETTINGS 21 KE-430F , BE-438F Maintenance settings (700 − 799) No. Setting range Initial value Setting units Setting details 750 ON/OFF OFF - Continuous operation m ode (for administrato.
4. FUNCTION SETTINGS 22 KE-430F , BE-438F 4-5. Setting the foot switch operation mode ● When using a foot s w itch The following table describes the operation of the work clamp/button clamp during sewing standb y mode when using the foot swit ch. 1.
4. FUNCTION SETTINGS 23 KE-430F , BE-438F ● When using a 2-pedal foot switch (option) The following table describes the operat ion of the work clamp/button clamp during sewing standby mode when using a 2-pedal foot switch. 1. Set memory sw itch No. 070 to “2”.
4. FUNCTION SETTINGS 24 KE-430F , BE-438F 4-6. Checking the error history The past error history can be c hecked by the following procedure. 1. While pressing the key (1), turn on the pow er switch. The error history number will appear in the PROGRAM No.
4. FUNCTION SETTINGS 25 KE-430F , BE-438F 4-7. Input checking method This is used at the following times. ・ When you would like to check for problems with the operatio n panel ・ When you would lik.
4. FUNCTION SETTINGS 26 KE-430F , BE-438F Item No. Item name Input status C heck items and checking methods [ 5] [orP] [ on] / [ oFF] Work clamp motor home posi tion sensor position Remove the side cover and raise the work clamp/button clamp manually .
4. FUNCTION SETTINGS 27 KE-430F , BE-438F Item No. Item name Input status C heck items and checking methods [ 16] [EMC] [ no] / [ oFF] / [ on] S top switch (option) * [ no] is displayed when not connected. [ 17] [HEd] [ on] / [ oFF] Machine head switch [ oFF] is displayed when the machine head is tilted back.
4. FUNCTION SETTINGS 28 KE-430F , BE-438F 4-8. Output checking method This is used at the following times. ・ When you would like to check for problems with the operatio n panel ・ When you would li.
4. FUNCTION SETTINGS 29 KE-430F , BE-438F Item No. Item name Operation [ 55] [CL − r] The valve for the right work clamp turns on. (*) [ 56] [CL − L] T he valve for the left work clamp turns on. (* ) [ 57] [Foot] The valve for the stepping foot turns on.
4. FUNCTION SETTINGS 30 KE-430F , BE-438F 4-9. Confirming sof tware version 1. If you turn on the power while pressing the key (1), the software version w ill be displ ayed in the menu display (2). 2. The PROGRAM No. display (4) will change as follows each time the or key (3) is pressed.
4. FUNCTION SETTINGS 31 KE-430F , BE-438F 4-10. Protection settings There are two ways which can be used to switch to protect setting mode: Method A (which does not require an SD card) and Method B (which requires an SD card).
4. FUNCTION SETTINGS 32 KE-430F , BE-438F ● Method B Have an SD card ready . * The SD card is only used at the step of selecting protect setti ng mode, so any type of SD card can be used as long as it can be accessed. In addition, if making the setting two or more times, a different SD card from the one used before can be used.
4. FUNCTION SETTINGS 33 KE-430F , BE-438F T able of protection lev els and corresponding protected item s × : Operation di sallowed Level OFF 1 2 3 4 5 6 7 (Individ ual setti ngs) Item No.
5. EDITING P A TTERN DA T A 34 KE-430F , BE-438F 5 . EDITING P A TTERN DA T A 5-1. T ension information in p a ttern dat a T ension codes are recorded in the p atter n data to provide tension information. The tension codes indicate the type of tension (T1 to T9).
5. EDITING P A TTERN DA T A 35 KE-430F , BE-438F 5-2. Wo rk flowchart 2922B.
5. EDITING P A TTERN DA T A 36 KE-430F , BE-438F 5-3. Switching to p attern editing mode 1 While pressing the TEST key, press the key. ・ The pattern number will flash in the PROGRAM No. display. ・ The number of stitches rema ining until the final stitch will be displayed in the menu display.
5. EDITING P A TTERN DA T A 37 KE-430F , BE-438F 5-5. Copying p attern data Editing (adding, changing or deleting) of the tension codes w i thin pattern data is limited to pattern numbers within the range of 200 to 999.
5. EDITING P A TTERN DA T A 38 KE-430F , BE-438F 5-6. Adding tension codes 1 Carry out steps 1 to 3 in “5-3. Switching to pattern editing mode” to switch to pattern editing mode. Press the or key to move the work clamp/button clamp to the desired position.
5. EDITING P A TTERN DA T A 39 KE-430F , BE-438F 5-7. Changing tension codes 1 Carry out steps 1 to 3 in “5-3. Switching to pattern editing mode” to switch to pattern editing mode.
5. EDITING P A TTERN DA T A 40 KE-430F , BE-438F <Deleting section 2> 5-8. Deleting tension codes 1 Carry out steps 1 to 3 in “5-3. Switching to pattern editing mode” to switch to pattern editing mode. While pressing the SELECT key, press the SECTION [+ -] keys.
6. X A ND Y P ARALLEL MOVEMENT OF SEWING P A TTERNS 41 KE-430F , BE-438F 6 . X AND Y P ARALLEL MOVEMENT OF SEWING P A TTERNS The work clamp/button clamp can be moved to any desired position so that sew ing patterns which have already been programmed can be moved in parallel directions forward, back or to the left or right.
6. X A ND Y P ARALLEL MOVEMENT OF SEWING P A TTERNS 42 KE-430F , BE-438F 6 X-scale Parallel movement mode Press the SELECT key so t hat the Y-scale indicator flashes. * When the SELECT key is pressed, the X-SCALE indicator and the Y-SCALE indicator will flash alternately.
7. USING SD CARDS 43 KE-430F , BE-438F 7. USING SD CARDS 7-1. Notes on handling SD cards (commercially available) • Use an SD card or a multimedia card w ith a capacity of 2GB or less. • Do not disassemble or alter SD cards. • Do not bend, drop, scra tch or place heavy objects on top of the SD cards.
7. USING SD CARDS 44 KE-430F , BE-438F 7-3. Prep aration for reading and writing data 1 Insert the SD card into the SD slot. NOTE: • Make sure the SD card is facing the correct w ay . • The cover should be closed at all times except when the SD card is inserted and removed, otherwise dust may cause trouble 2 T urn on the pow er switch.
7. USING SD CARDS 45 KE-430F , BE-438F 7-4. Reading additional p attern data 1 Select the “ r 1” SD data read/w r ite mode. (Refer to “7-3. Prep aration for reading and writing data”.) ・ The number of the additional p attern data i n the SD card folder will appear in the tension display .
7. USING SD CARDS 46 KE-430F , BE-438F 7-5. W riting additional p attern data to an SD card 1 Select the “ w2” SD data read/write mode. (Refer to “7-3. Prep arati on for reading and writing data”.) ・ The numbers for the additional pa ttern data in the sewing machine memory will appear in the tension display .
7. USING SD CARDS 47 KE-430F , BE-438F 7-6. Reading memory switch dat a 1 Select the “ r3” SD data read/w r ite mode. (Refer to “7-3. Prep aration for reading and writing data”.) 2 While reading “MEM” appears in the tension display Press the ENTER key .
7. USING SD CARDS 48 KE-430F , BE-438F 7-7. W r iting memory switch data to the SD card 1 Select the “ w4” SD data read/write mode. (Refer to “7-3. Prep aration for reading and writing data”.) 2 While writing “MEM” appears in the tension display Press the ENTER key .
7. USING SD CARDS 49 KE-430F , BE-438F 7-8. Reading program dat a 1 Select the “ r5” SD data read/w r ite mode. (Refer to “7-3. Prep aration for reading and writing data”.) 2 While reading “PrG” appears in the tension display Press the ENTER key .
7. USING SD CARDS 50 KE-430F , BE-438F 7-9. W riting program data to an SD card 1 Select the “ w6” SD data read/write mode. (Refer to “7-3. Prep aration for reading and writing data”.) 2 While writing “PrG” appears in the tension display Press the ENTER key .
7. USING SD CARDS 51 KE-430F , BE-438F 7-10. Reading sewing machine dat a 1 Select the “ r7” SD data read/w r ite mode. (Refer to “7-3. Prep arati on for reading and writing data”.
7. USING SD CARDS 52 KE-430F , BE-438F 7-1 1. W riting sewing machine dat a to an SD card 1 Select the “ w8” SD data read/write mode. (Refer to “7-3.
7. USING SD CARDS 53 KE-430F , BE-438F 7 - 1 2 . Writing error log dat a and memory switch log data to an SD card 1 Select the “ w9” SD data read/write mode. (Refer to “7-3. Prep aration for reading and writing data”.) 2 While writing “LoG” appears in the tension display while log data is being written Press the ENTER key .
7. USING SD CARDS 54 KE-430F , BE-438F 7-13. Up dating the control program version 1 Place the control program that you would like to update into the folder of the SD card as specified in “7-2. S tructure of a SD card folder”. 2 W ith the power switch turned off, insert the SD card into the SD card slot.
8. MECHANICAL DESCRIPTIONS KE-430F, BE-438F 55 8. MECHANICAL DESCRIPTIONS * <number> and [number] indicates the flow of each operations given. * (number) indicates part names only. (They do not represent the flow of operations.) 8-1. Needle bar and thread take-up mechanisms 8-2.
8. MECHANICAL DESCRIPTIONS KE-430F, BE-438F 56 8-3. Work clamp lifter mechanism BE-438F 2525B 2526B 1. Pulse motor T assembly 2. Gear 16 3. Cam gear 4. Driving lever 5. Link 6. Lifter lever assembly 7. Work clamp lifter plate assembly 8. Work clamp arm lever plate 9.
8. MECHANICAL DESCRIPTIONS KE-430F, BE-438F 57 8-4. Thread wiper mechanism 2527B When the work clamp pulse motor is turned off, the thread wiper operates in the opposite direction. 1. Pulse moto r T assembl y 2. Gear 16 3. Cam gear 4. Cam shaft 5. Thread wiper cam 6.
8. MECHANICAL DESCRIPTIONS KE-430F, BE-438F 58 1. Pulse motor Y assembl y 2. Feed gear 3. Y-feed rack shaft 4. Y-feed rack shaft clamp 5. Feed bracket sub assembly 8-5. Feed mechanism Sewing patterns are created through combinations of X and Y movements.
8. MECHANICAL DESCRIPTIONS KE-430F, BE-438F 59 8-6. Thread trimmer mechanism 13. Thread trimmer lever H 14. Thread trimmer rod H assembly <14>Thread trimmer link 15. Movable knife lever 16. Movable knife connecting plate 17. Movable knife <Pulse motor ON> 18.
8. MECHANICAL DESCRIPTIONS KE-430F, BE-438F 60 8-7. Tension release mechanism 8-8. Thread nipper mechanism (KE-430F -03, -0F, -0K specifications o nly) 1. Pulse motor P assembly 2. Motor lever 3. TR-link 4. Thread driving lever 5. Connecting plat e R 6.
9. DISASSEMBL Y KE-430F, BE-438F 61 9. DISASSEMBL Y CAUTION Disassembly should only be carried out by a qualified technician. Turn off the power switch before disassembly, otherwise the machine may o perate if the foot switch is depressed by mistake, which may result in injury .
9. DISASSEMBL Y KE-430F, BE-438F 62 1. Set scre w 2. Needle 3. Needle bar thread guide 4. Nuts [2 pcs] Adjusting screw Compression spring [Push upward and remove horizontally] 9-2. Work clamp arm mechanism BE-438F KE-430F 2534B 2535B 1. Set scre w 2. Needle 3.
9. DISASSEMBL Y KE-430F, BE-438F 63 9-3. Needle bar mechanism Do not remove the slide block guide if possible to prevent the machine from overheating due to needle bar rubbing. Left-hand thread 2536B 2537B 1. Rubber cap 2. Screw 3. Needle bar [Pull out] 4.
9. DISASSEMBL Y KE-430F, BE-438F 64 9-4. Upper shaft mechanism (Continued on next page.) 2538B 1. Screws [2 pcs] 2. Grease support F 3. Bolt 4. Crank rod washer 5.
9. DISASSEMBL Y KE-430F, BE-438F 65 （取り外す） （ゆるめる） 6. Screw 7. Set screw [Loosen] 8. T hread take-up crank 9. Bolts [2 pcs] (Remove one, loosen one.) 10. Balancer plate 11. Balancer 12. Set screws [2 pcs: Loosen] 13. Rubber cap 14.
9. DISASSEMBL Y KE-430F, BE-438F 66 9-5. Lower shaft mechanism (Continued on next page.) 10. Screws [5 pcs] 11. Gear cover 12. Screws [2 pcs] 13. Positioning plate 2541B Do not remove the gear cover if at all possible, otherwise grease will leak out. 1.
9. DISASSEMBL Y KE-430F, BE-438F 67 14. Rubber caps [2 pcs] 15. Set screws [4 pcs: Loosen] 16. Set screw s [2 pcs] 17. Set screw s [2 pcs] 18. Rock gear shaft R [Pull backw ard] 19. Rock gear shaft assembly [Pull forward] 20. Rock gear 21. Set screws [4 pcs: Loosen] 22.
9. DISASSEMBL Y KE-430F, BE-438F 68 9-6. Lubrication 2542B 1. Bolts [2 pcs] 2. Bolts [2 pcs] 3. Plain washers [2 pcs] 4. Oil tank plate 5. Oil tank nut 6.
9. DISASSEMBL Y KE-430F, BE-438F 69 9-7. Feed mechanism 1. Set screw [Loosen] 2. Retaining ring, E 3. Y-feed rack shaft cramp [Pull upward] 4. Screws [6 pcs] 5. Feed bracket cover 6. Set screw [Loosen] 7. Regulator block assembly 8. Feed bracket sub assembly 9.
9. DISASSEMBL Y KE-430F, BE-438F 70 9-8. Thread wiper mechanism 1. Set screw [Loosen] 2. Retaining ring, E 3. Screws [2 pcs] 4. Plain washers [2 pcs] 5. T hread wiper arm assembly 6. Retaining ring, E 7. Plain washer 8. O rings [2 pcs] 9. Connecting plat e [Pull upward] 10.
9. DISASSEMBL Y KE-430F, BE-438F 71 9-9. Work clamp lifter mechanism (Continued on next page.) 1. Link shoulder screw 2. Bolts [3 pcs] 3. Motor bracket assembly 4. Bolts [4 pcs] 5. Pulse motor T assembly 6. Set screws [2 pcs: Loosen] 7. Gear 16 8. Set screws [2 pcs: Loosen] 9.
9. DISASSEMBL Y KE-430F, BE-438F 72 30. Rubber cap 31. Link shoulder screw 32. Link 33. Set screw [Loosen] 34. Retaining ring, E 35. Lever shaft 36. Plain washer 37.
9. DISASSEMBL Y KE-430F, BE-438F 73 9-10. Threading mechanism 9-11. Tension release mechanism 1. Set screw [Loosen] 2. T ension bracket [Pull out] 3. Tension release pin 4. Nut 5. Plain washer 6. Set screw [Loosen] 7. T ension stud assembly [Pull out] 8.
9. DISASSEMBL Y KE-430F, BE-438F 74 9-12. Thread nipper mechanism (KE-430F -03, -0F, -0K sp ecifications only) 1. Link shoulder screws [2 pcs] 2. TR-Ling 3. Set screws [2 pcs: Loosen] 4. Motor lever 5. Bolts [4 pcs] 6. Pulse motor P assembly 7. Bolts [3 pcs] 8.
9. DISASSEMBL Y KE-430F, BE-438F 75 9-13. Thread trimmer mechanism (Continued on next page.) 1. Set screws [2 pcs: Loosen] 2. T hread trimmer cam 3. Screws [3 pcs] 4. Fan 5. Set screws [2 pcs: Loosen] 6. Guide shaft 7. Spring 8. Nut 9. Shoulder screw B 10.
9. DISASSEMBL Y KE-430F, BE-438F 76 2557B 18. Nut 19. Shoulder screw B 20. Thread trimmer rod V assembly 21. Nut 22. Shoulder screw B 23. Washer, wave spring 24. Bolt 25. Spring washer 26. Plain washer 27. Set screws [2 pcs: Loosen] 28. Thread trimmer lever shaft 29.
9. DISASSEMBL Y KE-430F, BE-438F 77 9-14. Shuttle hook mechanism 2558B 1. Bobbin case assembly 2. Shuttle race base setting claw [Open to right and left] 3.
10. ASSEMBL Y KE-430F, BE-438F 78 10. ASSEMBL Y CAUTION Disassembly should only be carried out by a qualified technician. Turn off the power switch before disassembly, otherwise the machine may o perate if the foot switch is depressed by mistake, which may result in injury .
10. ASSEMBL Y KE-430F, BE-438F 79 15. Driving lever 16. Thread trimmer collar 17. Collar shaft 18. Retaining ring, C 19. Set screws [2 pcs: Tighten] 20. Thread trimmer rod V assembly 21. Shoulder screw B 22. Nut 23. Guide shaft 24. Spring 25. Set screws [2 pcs: Tighten] 26.
10. ASSEMBL Y KE-430F, BE-438F 80 10-2. Tension release mechanism 10-3. Threading mechanism While gently pushing the tension stud assembly 3 in the direction shown in the illustration, tighten the set screw 6 until there is no clearance between the tension bracket 1 and the nut 5.
10. ASSEMBL Y KE-430F, BE-438F 81 10-4. Thread wiper mechanism Apply grease to the portions indicated by the w hite arrows. 1. T hread wiper rod assembly [Insert from the front] 2. Wiper shaft 3. Plain washer 4. Retaining ring, E 5. Set screw [Tighten] 6.
10. ASSEMBL Y KE-430F, BE-438F 82 1) Loosen the set screw 2 about 1/3 of a turn from its fully-tightened position so that the eccentric shaft 1 can rotate. 2) Insert the Y-feed ra ck shaft (1), and then turn the eccentric shaft 1 so that it is lightly touching the ball beari ng (2); then tighten the set screw 2.
10. ASSEMBL Y KE-430F, BE-438F 83 10-6. Work clamp lifter mechanism Apply grease to the portions indicated by the w hite arrows. * Refer to the next page for the points to no te during reassembl y. (Continued on next page.) 1. Spring hook 2. Bolts [2 pcs] 3.
10. ASSEMBL Y KE-430F, BE-438F 84 1) While maintaining the condition in C, install drive gear 16 23 to the moto r bracket 27 so that the index mark is facing directly upward. Make sure th at t he harness connector is facing the correct way at this time.
10. ASSEMBL Y KE-430F, BE-438F 85 30. Work clamp lifter plate assembly 31. Needle bar guide slide block 32. Lifter lever assembly 33. Plain washer 34. Lever shaft 35.
10. ASSEMBL Y KE-430F, BE-438F 86 Apply grease to the grease hole on the inside. 10-7. Feed mechanism Apply grease to the portions indicated by the arrow s. (Continued on next page.) 2849B Index marks 1. Feed gear 2. X-motor setting plate [Pulse motor X assembly] 3.
10. ASSEMBL Y KE-430F, BE-438F 87 Move the feed bracket sub a ssembly 12 back and forth so that the Y-feed rack shaft 8 and the feed bracket sub assembly 12 move smoothly , and then tighten the four bolts 11. (Continued on next page.) 8. Y-feed rack shaft 9.
10. ASSEMBL Y KE-430F, BE-438F 88 (Continued on next page.) 19. Feed gear 20. Pulse motor Y assembly (Y-motor setting plate) 21. Set screw s [2 pcs] 22.
10. ASSEMBL Y KE-430F, BE-438F 89 <Feed mechanism home positio n adjustment> 1. Install the home position standard plate (1) to the feed bracket s ub assembly (2) w ith the two screws (3). 2. Gently tilt back the machine head. 3. Switch the sewing machine to home position adjustment mode.
10. ASSEMBL Y KE-430F, BE-438F 90 10-8. Upper shaft mechanism Apply grease <GREASE BZL-300P> specif ied by Brother to the portions indicated by the white arrows. * 17, 18 and 19 should be installed after carrying out the installations in “10-10.
10. ASSEMBL Y KE-430F, BE-438F 91 Install pulley gear R 3 so t hat it is aligned with the reference line on the upper shaft 1. With the motor assembly 13 provisionally installed, turn it in the direction of the arrow and then tighten the four bolts 14.
10. ASSEMBL Y KE-430F, BE-438F 92 10-9. Needle bar mechanism Apply grease <GREASE BZL-300P> specif ied by Brother to the portions indicated by the white arrows. (Continued on next page.) 1. Slide block guide 2. Bolts [2 pcs: Temporarily tighten] 3.
10. ASSEMBL Y KE-430F, BE-438F 93 Align the needle bar 18 so that reference line A (the second low est reference line on the needle bar 18) or reference line a (top reference line) is aligned with t h.
10. ASSEMBL Y KE-430F, BE-438F 94 10-10. Lower shaft mechanism Apply grease < GREASE BZL-300P > or < GREASE BZL-302R > specif ied by Brother to the porti ons indicated by the white arrows. (Continued on next page.) 1. Shuttle race base assembly 2.
10. ASSEMBL Y KE-430F, BE-438F 95 Gap distribution * Set screws marked with * in the illustration are on the screw stop side. (Continued on next page.) Align the angles of the grooves 8. Rock gear 9. Rock gear shaft assembly 10. Rock gear shaft R 11. Set screws [2 pcs: Tighten] 12.
10. ASSEMBL Y KE-430F, BE-438F 96 溝の角度を 合わせる (Continued on next page.) 2872B Adjust while referring to “11-17. Adjusting the backlash amount (play) of the low er shaft gear”. 1) The oil seal 13 and rubber seal L 16 cannot be reused, so have new parts ready for use.
10. ASSEMBL Y KE-430F, BE-438F 97 2875B 2876B 2877B After applying sealant (Threebond 1215) to the shaded area, install the gear cover 24 by tightening the five screws 25 at a torque of 1 Nm. 24. Gear cover 25. Screws [5 pcs] 26. Grease support F 27. Screws [2 pcs] 28.
10. ASSEMBL Y KE-430F, BE-438F 98 10-11. Lubrication 10-12. Shuttle hook mechanism After installing the shuttle hook 4, carry out the adjustments in “11-3. Adjusting the needle bar lift amount and the driver needle guard” and “11-4. Adjusting the needle clearance”.
10. ASSEMBL Y KE-430F, BE-438F 99 10-13. Thread trimme r mechanism (2) Apply grease to the portions indicated by the w hite arrows. 1. Fixed knife 2. Plain washers [2 pcs] 3. Spring washers [2 pcs] 4. Screws [2 pcs] 5. Movable knife spacer 6. Movable knife assembly 7.
10. ASSEMBL Y KE-430F, BE-438F 100 Apply grease to all sliding parts du ring assembly. 10-14. Work clamp arm mechanism (KE-430F) After installing, carry out test feedi ng and check that the needle hole (7) is not inside the work clamp (4) and the frame of the feed plate 1.
10. ASSEMBL Y KE-430F, BE-438F 101 10-15. Work clamp arm mechanism (BE-438F) Apply grease to the portions indicated by the arrows during assembly. 1. Feed plate 2. Screws [2 pcs] 3. Button clamp holder 4. Button clamp holder shaft 5. Set screws [2 pcs] 6.
10. ASSEMBL Y KE-430F, BE-438F 102 10-16. Covers 1. Shuttle race cover assembly 2. Washer, wave spring [2 pcs] 3. Shoulder screws, 8-2 [2 pcs] 4. Face plate assembly 5. Screws [3 pcs] 6. Eye guard assembly 7. Bolts [2 pcs] 8. Side cover 9. Screws [4 pcs] 10.
11 . A D J U S T M E N T 103 KE-430F , BE-438F 1 1 . ADJUSTMENT CAUTION Maintenance and inspection of the sew ing machine should only be carried out by a qualified technician. Ask your Brother dealer or a qualified electrician to carry out any maintenance and inspection of the electrical system.
11 . A D J U S T M E N T 104 KE-430F , BE-438F 1 1-1-1. Upper and lower th read tension <Operating th e upper thread te nsion> ● When using a foot switch In the sewing st andby condition and during test operation st andby , the thread tension in the TENSION display (2) which has been set for the section appearing in the SECTION No.
11 . A D J U S T M E N T 105 KE-430F , BE-438F 1 1-1-2. Thread take-up spring KE-430F Use Medium-weight materials (-0 3) Knitted w ear (-0K) Foundation garments (-0F) Heavy-weight materials (-05) BE-438F Thread take-up spring height (mm) 6 - 1 1 6 - 1 1 Thread take-up spring tension (N) 0.
11 . A D J U S T M E N T 106 KE-430F , BE-438F 1 1-1-3. Arm thread guide C The standard position of arm thread guide C (1) is w he n the screw (2) is aligned with the pos ition of the reference line. T o adjust the position, loosen the screw (2) and then move arm thread guide C (1).
11 . A D J U S T M E N T 107 KE-430F , BE-438F 1 1-3. Adjusting the needle bar lif t amount and the driver needle guard 1. T urn the pulley in the dire ction of the arrow to raise the needle bar from the low est position until the lowest reference li ne on the needle bar (reference line B) is aligned wi th the lower edge of the needle bar bush (1).
11 . A D J U S T M E N T 108 KE-430F , BE-438F 1 1-5. Adjusting the shuttl e race thread guide Install the shuttle race thread guide (1) by pushing it in the direction of the arrow so that the needle groove is aligned with the center of the needle plate hole.
11 . A D J U S T M E N T 109 KE-430F , BE-438F 1 1-7. Adjusting the thread trimming 1. Remove the top cover, side cover and rear cover. 2. Turn the pulley in the direct ion of the arrow to move the needle bar to its low est position. 3. Loosen the three bolts (1), and then set the clearance (section A) between the rubber and the plunger to 0.
11 . A D J U S T M E N T 1 10 KE-430F , BE-438F 1 1-8. Adjusting the position of the movable knife 1. Remove the top cover and the side cover. 2. T urn the pulley by hand in the direction of the arrow.
11 . A D J U S T M E N T 111 KE-430F , BE-438F 1 1-9. Replacing the movable knife and fixed knife 1. Open the shuttle race cover, remove the two screw s (1), and then remove the feed plate (2). 2. Remove the two screws (3) and the tw o flat sc rews (4), and then remove the needle plate (5).
11 . A D J U S T M E N T 1 12 KE-430F , BE-438F 1 1-10. Adjusting the work clamp lift amount (KE-430F) Adjust so that the actual maximum lif t amount for the work clamp is 17 mm abov e the top of the needle plate w h en the maximum work clamp height has been set to 17 mm using th e operation panel (refer to “W ork clamp lifting height” on P .
11 . A D J U S T M E N T 11 3 KE-430F , BE-438F 1 1-12. Adjusting the holding pressure (BE-438F) Loosen the nut (1) and turn the nut (2) to the point where it is just tight enough that the material will not slip out o f place when it is slightly pulled (k eeping pressure as slight as possible).
11 . A D J U S T M E N T 1 14 KE-430F , BE-438F 1 1-15. Adjusting the thread wiper <Thread wiper height adj ustment> Loosen the two screws (2) and adjust the thread wiper (1) so that the clearan.
11 . A D J U S T M E N T 11 5 KE-430F , BE-438F 1 1-16. Adjusting the tension release amount 1. Remove the t wo screw s (1), and then remove the solenoid cover (2).
11 . A D J U S T M E N T 1 16 KE-430F , BE-438F 1 1-17. Adjusting the backlash amount (play) of the lower shaf t gear 1. Tilt back the machine head. 2. Open the shuttle race base cover . 3. Remove the shuttle race base, shuttle hook and bobbin case. 4.
11 . A D J U S T M E N T 11 7 KE-430F , BE-438F 1 1-18. Adjusting the home position 1 1-18-1. X- and Y -feed motor home positions 1 W ith the power sw itch turned off, turn the pulley in the di rection of the arrow to set t he needle to the needle up stop position (near the highest thread take-up position).
11 . A D J U S T M E N T 1 18 KE-430F , BE-438F 5 Use the home position st andard plate and press the or keys to change the offset value (-50 to 50) so that the needle drops at the home position. ・ The X-feed or Y-feed motor will operate according to the offset value.
11 . A D J U S T M E N T 11 9 KE-430F , BE-438F 1 1-18-2. Work clamp lif t motor home position 1 With the power switch turned off, turn the pulley in the direction of the arrow to se t the needle to the needle up stop position (near the highest thread take-up position).
11 . A D J U S T M E N T 120 KE-430F , BE-438F 6 Depress the foot switch to the 2nd step (for a 2-pedal foot switch, depress the start switch) to pro visi onally confirm the offset val ue. ・ Work clamp lift motor home position detection will be carried out based on the currently-displayed offset value.
11 . A D J U S T M E N T 121 KE-430F , BE-438F 1 1-18-3. Thread nipper motor home position 1 With the power sw itch turned off, turn the pulley in the direction of the arrow to set the needle to the needle up stop position (near the highest thread take-up position).
11 . A D J U S T M E N T 122 KE-430F , BE-438F 7 Depress the foot sw itch to the 2nd step to provisionally confirm the offset value. ・ Thread nipper motor home positi on detection will be carried out based on the currently-displayed o ffset value. Check the home position.
11 . A D J U S T M E N T 123 KE-430F , BE-438F 1 1-19. Adjusting the main shaf t motor st andard position 1 Remove the needle, the needle bar thread guide and the feed plate. 2 While pressing the [+ -] keys simultaneously, turn on the power switch. ・ "Mot" will illuminate in the PROGRAM No.
11 . A D J U S T M E N T 124 KE-430F , BE-438F 6 End adjustment mode. TEST indicator switches of f Press the TEST key. ・ The display will return to the normal display and the sewing machine will switch to home position detection standby. 7 T urn off the power switch and install the nee dle, the needle bar thr ead guide and the feed plate.
11 . A D J U S T M E N T 125 KE-430F , BE-438F 1 1-20. Correcting the digit al tension output 1 1. Adjust the pretension to 5 to 7 gf (0.05 to 0.07 N). * At this time, use the TOYO BO polyester #50 (white) thread which is recommended by Brother. 2. Thread the upper thread as show n in the illustration at left.
11 . A D J U S T M E N T 126 KE-430F , BE-438F 3 Use a tension gauge to measure t he upper thread tension as shown in the illustration at left. Press the or key to increase or decrease the value appearing in the menu display until it corresponds with the measurement value.
11 . A D J U S T M E N T 127 KE-430F , BE-438F 1 1-21. Checking the m achine head switch 1. Turn on the power switch. 2. Check that no error numbers appear on the operation panel. <If error [E050], [E051] or [E055] is displayed> If the machine head switch (1) is not turned on, error [E050], [E051] or [E055] will occur .
11 . A D J U S T M E N T 128 KE-430F , BE-438F 5 Completion of setting “ END” will be displayed in the menu display. NOTE: If the foot switch operations are not carried out correctly , “ END” will not be displayed and the buzzer w ill sound. After “1.
12. APPL YING GREASE 129 KE-430F , BE-438F 12. APPL YING GREASE CAUTION Be sure to w ear protective goggles and gloves when handling the lubricating oil and grease, so that they do not get into your eyes or onto your skin, otherw ise inf lammation can result.
12. APPL YING GREASE 130 KE-430F , BE-438F NOTE: • "GrE" and "AS.UP" will continue to be displayed each time the power is turned on until grease is applied and the notification is reset by carrying out the procedure on page 131. • If you continue to use the sewing machine after the “GrE” and “AS.
12. APPL YING GREASE 131 KE-430F , BE-438F 3. Applying grease < A . Applying grease to the eccentric w heel > 1. Turn of f the power switch. 2. Remove the four screws (1), and then remove the top cove r (2). 3. Remove the bolt (4) from the eccentric wheel (3).
12. APPL YING GREASE 132 KE-430F , BE-438F < B. A pplyin g grease to the rock gear shaft F assembly > 1. Tilt back the machine head. 2. Loosen the two screws (1 ), and then remove grease holder F (2). 3. Turn the pulley in the direct ion of the arrow to move the rock gear shaft F assembly (3) to the most for ward position.
13. HOW TO INST ALL T HE FEED PLA TE FOR KE-430C SERIES IN KE -430F AND BE-438F 133 KE-430F , BE-438F 1 3 . HOW T O INST ALL THE FEED PLA TE FOR KE-430C SERIES IN KE-430F AND BE-438F If using the feed plate for the KE-430C and BE-438C, inst all it as follows.
KE-430F, BE-438F 14. INSTALLING THE 2-PEDAL FOOT SWITCH (OPT ION) 134 1 4. INST ALLING THE 2-PEDAL FOOT SWITCH (OPTION) The foot switch conversion harness (SB1565001) that is sold separately is required.
15. ELECTRIC MECHANISM 135 KE-430F , BE-438F 15. ELECTRIC MECHANISM DANGER Wait at least 5 minutes after turning off the power sw itch a nd disconnecting the power cord from the wall outlet before opening the face plate of the control box. Touching areas where high voltages are present will result in serious injury from electric shocks.
15. ELECTRIC MECHANISM 136 KE-430F , BE-438F 1 5 - 2 . Component s inside and out s ide the contro l box and in the operation p a nel Main PCB Secured to the rear . This PCB drives the pulse motor and solenoids . Motor PCB Secured to the side. T his PCB drives the main shaf t motor .
15. ELECTRIC MECHANISM 137 KE-430F , BE-438F 15-3. Fuse explanation When replacing a fuse, be sure to use the specified ones listed below . If a component on a PCB is damaged, the fuses may bl o w again soon even after they have been replaced.
15. ELECTRIC MECHANISM 138 KE-430F , BE-438F 15-4. Connectors Most of the machine trouble is due to connector problems includi ng improper connection or suffic ient contact. Therefore, be sure to check if each connector is correc tly inserted and that there is no contact fa ilure betw e en pins and wires before starti ng troubleshooting procedures.
15. ELECTRIC MECHANISM 139 KE-430F , BE-438F Power PCB Panel PCB 2932B 2687B.
15. ELECTRIC MECHANISM 140 KE-430F , BE-438F 15-4-2. Cont act failure The connectors functions are divided into five categories. Some connectors may bel ong to more than one group. Be sure to investigate another categor y if a problem is not found in one category .
15. ELECTRIC MECHANISM 141 KE-430F , BE-438F Thread trimmer mechanism Problem Connector No. and position • Thread trimming is not performed. (There is no error display .) • Digital tension does not operate. (There is no error display .) • Error E690 is displayed.
15. ELECTRIC MECHANISM 142 KE-430F , BE-438F Others Problem Connector No. and position • Panel indication is strange. • The pow er indicator is not illuminated. • Any operation panel key does not have any ef fect. • The sewing machine does not operate when the foot switch is depressed.
15. ELECTRIC MECHANISM 143 KE-430F , BE-438F Problem Connector No. and position • Only the power indicator illuminates. • Nothing appears on the operation panel display . • The sewing machine does not operate when the foot switch is depressed. • Error E130 is displayed.
15. ELECTRIC MECHANISM 144 KE-430F , BE-438F 15-5. T roubleshooting 15-5-1. T roubleshooting flowchart Symbols and their meanings Switch operation Set-up operation or condition Yes-or-no decision-making process The procedure to follow continues on the next page The error status number in the first column of the table of “15-5-2.
15. ELECTRIC MECHANISM 145 KE-430F , BE-438F 2953B.
15. ELECTRIC MECHANISM 146 KE-430F , BE-438F 2954B.
15. ELECTRIC MECHANISM 147 KE-430F , BE-438F 2955B.
15. ELECTRIC MECHANISM 148 KE-430F , BE-438F 15-5-2. Problem solution and measures DANGER Wait at least 5 minutes after turning off the power sw itch and disconnecting the power cord from the wall outlet before opening the face plate of the control box.
15. ELECTRIC MECHANISM 149 KE-430F , BE-438F Error status #1 The power indicator does not light when the power is turned on. Probable causes Check/ repair/ adjust Parts to be replaced 1. (Check the LEDs) Turn on the power switch and check that the various LEDs illuminate in the following order.
15. ELECTRIC MECHANISM 150 KE-430F , BE-438F Error status #1 The power indicator does not light when the power is turned on. Probable causes Check/ repair/ adjust Parts to be replaced 6.
15. ELECTRIC MECHANISM 151 KE-430F , BE-438F Error status #2 Error code appears on t he display when the power is turned on. Probable causes Check/ repair/ adjust Parts to be replaced 1. If “E025” or “E035” is displayed, the foot switch is still depressed.
15. ELECTRIC MECHANISM 152 KE-430F , BE-438F Error status #3 No keys on t he operation panel are not activated. Probable causes Check/ repair/ adjust Parts to be replaced 1. Malfunction of panel PCB Check that connector P3 (PANEL) is connected to the motor PCB, and that connector P1 (MAIN) is connected to the panel PCB.
15. ELECTRIC MECHANISM 153 KE-430F , BE-438F Error status #5 Error code appears on the display when the foot sw itch is depressed. Probable causes Check/ repair/ adjust Parts to be replaced 1. If “E130”, “E131” or “E132” is displayed, there is a poor connection of the synchronizer.
15. ELECTRIC MECHANISM 154 KE-430F , BE-438F Error status #6 Error code appears on the display when the foot sw itch is depressed. Probable causes Check/ repair/ adjust Parts to be replaced 1. If the X feed does not move and "E200" is displayed, there is a malfunction of the power PCB.
15. ELECTRIC MECHANISM 155 KE-430F , BE-438F Error status #7 Error code appears on the display when the foot sw itch is depressed. Probable causes Check/ repair/ adjust Parts to be replaced 1. If the Y feed does not move and "E210" is displayed, there is a malfunction of the power PCB.
15. ELECTRIC MECHANISM 156 KE-430F , BE-438F Error status #8 Error code appears on the display when the foot sw itch is depressed. Probable causes Check/ repair/ adjust Parts to be replaced 1. If the work clamp pulse motor does not operate and "E300" is displayed, there is a malfunction of the power PCB.
15. ELECTRIC MECHANISM 157 KE-430F , BE-438F Error status #9 Error code appears on the display when the foot sw itch is depressed. Probable causes Check/ repair/ adjust Parts to be replaced 1. If "E690" is displayed during home position detection, there is a malfunction of the thread nipper.
15. ELECTRIC MECHANISM 158 KE-430F , BE-438F Error status #10 Work clamp does not rise. Probable causes Check/ repair/ adjust Parts to be replaced 1. Incorrect work clamp home position adjustment a. Adjust the home position while referring to "11-18.
15. ELECTRIC MECHANISM 159 KE-430F , BE-438F Error status #16 The machine does not operate during sewing, and the error code [E130], [E131] or [E132] appears on the displa y. Probable causes Check/ repair/ adjust Parts to be replaced Malfunction of synchronizer, machine motor, fuses or motor PCB.
15. ELECTRIC MECHANISM 160 KE-430F , BE-438F Error status #17 Error code appears on the display after the machine operates. Probable causes Check/ repair/ adjust Parts to be replaced 10. If "E150" is displayed after the sewing machine operates, the motor is abnormally overheating.
15. ELECTRIC MECHANISM 161 KE-430F , BE-438F Error status #19 The thre ad trimmer does not operate. Probable causes Check/ repair/ adjust Parts to be replaced 1. Incorrect memory switch setting Set memory sw itch No. 164 to OFF. * If it is set to ON, thread trimming w ill not be carried out.
15. ELECTRIC MECHANISM 162 KE-430F , BE-438F Error status #20 The machine does not stop at the needle up stop pos ition. (“UP” is frequently displayed after sewing) Probable causes Check/ repair/ adjust Parts to be replaced 1. Incorrect adjustment Adjust while referring to "11-18.
16. T ABLE OF ERROR CODES 163 KE-430F , BE-438F 16. T ABLE OF ERROR CODES DANGER Wait at least 5 minutes after turning off the power sw itch and disconnecting the power cord from the w a ll outlet before opening the face plate of the control box. Touching areas where high voltages are present will result in serious injury from electric shocks.
16. T ABLE OF ERROR CODES 164 KE-430F , BE-438F Upper shaf t motor-related errors Code Cause and remedy E100 Sewing machine has continued to be used for a ce rtain period after the “G REASEUP” notification appears without the grease being appl ied (without the reset pr ocedure being carried out).
16. T ABLE OF ERROR CODES 165 KE-430F , BE-438F Communication an d memory-related errors Code Cause and remedy E400 Communication error detected between the main PCB and the panel PCB when the power was turned on. T urn off the power , and then check that connector P1 on the panel PCB and connector P3 on the motor PCB are properly connected.
16. T ABLE OF ERROR CODES 166 KE-430F , BE-438F Data editing-related errors Code Cause and remedy E500 The enlargement ratio setting caused the sew i ng data to extend outside the sewing area. Press the RESET key (*1) to clear the error . Set the enlargement ratio or the sew ing area again.
16. T ABLE OF ERROR CODES 167 KE-430F , BE-438F PCB-related errors Code Cause and remedy E700 Abnormal rise in power supply voltage. Turn off the power and check the input voltage. E701 Abnormal rise in sewing machine motor drive voltage. Turn off the power, and then check the voltage.
17. TROUBLESHOOTING 168 KE-430F , BE-438F 17. TROUBLESHOOTING • Please check the following points befor e calling for repairs or service. • If the following remedies do not fix the problem, turn off the pow er switch and consult a qualified technician or the place o f purchase.
17. TROUBLESHOOTING 169 KE-430F , BE-438F Problem Cause Remedy Ref. Upper thread tension is too strong. Adjust the upper thread tension. CD Instruction manual Needle is installed incorrectly . Install the needle correctly . CD Instruction manual Thread is too thick for the needle.
17. TROUBLESHOOTING 170 KE-430F , BE-438F Problem Cause Remedy Ref. Movable knife is blunt. Replace the movable knife. P. 1 1 1 Fixed knife is blunt. Sharpen or replace the fixed knife. P. 1 1 1 Adjust the position of the shuttle race thread guide. P .
18. 7-SEGMENT DISPLA Y LIST 171 KE-430F , BE-438F 18. 7-SEGMENT DISPLA Y LIST 4268M.
MEMO 172 KE-430F, BE-438F.
MEMO 173 KE-430F, BE-438F.
SER VICE MANUAL © 201 1 Brother Industries, Ltd. All Rights Reserved. KE-430F , BE-438F I0070967B 201 1.04. B (2).
デバイスBrother KE-430Fの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Brother KE-430Fをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBrother KE-430Fの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Brother KE-430Fの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Brother KE-430Fで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Brother KE-430Fを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBrother KE-430Fの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Brother KE-430Fに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBrother KE-430Fデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
