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SERVICE MANUAL
KE-430F
BE-438F
Please read this manual before making any adjustments.
ELECTRONIC DIRECT DRIVE LOCKSTITCH BAR TACKER
ELECTRONIC DIRECT DRIVE LOCKSTITCH BUTTON SEWER
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This service manual is intended for KE-430F and BE-438F; be sure 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. As a result of research and improvements regarding this product, some details of this manual may not be the same as those for the product you purchased. If you have any questions regarding this product, please contact a Brother
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SAFETY INSTRUCTIONS [1] Safety indications and their meanings This service manual and the indications and symbols that are used on the machine itself are provided in order to ensure safe operation of this machine and to prevent accidents and injury to yourself or other people. The meanings of these indications and symbols are given below. Indications The instructions which follow this term indicate situations where failure to follow the DANGER instructions will result in death or ser
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[2] Notes on safety DANGER Wait at least 5 minutes after turning off the power switch 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. WARNING Do not allow any liquids to get onto this sewing machine, otherwise fire, electric shocks or operating problems could occur. If any liquid gets inside the sewing machine (machine head or
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CAUTION Sewing This sewing machine should only be used by If using a work table which has casters, the casters operators who have received the necessary training should be secured in such a way so that they cannot in safe use beforehand. move. The sewing machine should not be used for any Attach all safety devices before using the sewing applications other than sewing. machine. If the machine is used without these devices attached, injury may result. Be sure to wear protective gog
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[3] Warning labels The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer. 1 Touching areas where high voltages are present can result in severe injury. 2 Turn off the power before removing the cover. *Safety devices 3 Eye guard Finger guard Solenoid cover Thread take-up cover S
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Thread take-up cover Eye guard Finger guard 2520B Rear cover 2522B Solenoid cover Side cover Transformer box (100V/400V system only) Oil tank 2521B 2559B KE-430F, BE-438F v
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CONTENTS 1. SPECIFICATIONS ............................... 1 7. USING SD CARDS ...............................43 7-1. Notes on handling SD cards 2. NOTES ON HANDLING........................ 2 (commercially available) ...................................... 43 3. RELATIONSHIP BETWEEN 7-2. Structure of an SD card folder ............................. 43 PROGRAMS AND PATTERNS ........... 3 7-3. Preparation for reading and writing data.............. 44 4. FUNCTION SETTINGS..................
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10-14. Work clamp arm mechanism (KE-430F) ....... 100 9. DISASSEMBLY ................................... 61 10-15. Work clamp arm mechanism (BE-438F) ....... 101 9-1. Covers .................................................................61 10-16. Covers........................................................... 102 9-2. Work clamp arm mechanism................................62 9-3. Needle bar mechanism ........................................63 11. ADJUSTMENT.................
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11-20. Correcting the digital tension output .............. 125 11-21. Checking the machine head switch ............... 127 11-22. Setting method for standard depression strokes (Foot switch) ..................................... 127 12. APPLYING GREASE........................ 129 12-1. Applying grease (Work clamp: KE-430F)......... 129 12-2. Applying grease (When “GREASEUP” appears)........................ 129 13. HOW TO INSTALL THE FEED PLATE FOR KE-430C SERIES IN KE-430F
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1. SPECIFICATIONS 1. SPECIFICATIONS 2452B 2278B KE-430F BE-438F Electronic direct drive lockstitch bar tacker 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. 6.4 x 6.4 mm max. Dimensions of buttons Outer diameter of button 8 - 30 mm (*1) that can be sewn Feed mechanism Y- θ intermittent feed mechanism (pulse-motor driven mechanism)
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2. NOTES ON HANDLING 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 electronic interference from the sewing machine. ・ The sewing machine should be plugged directly into an AC wall outlet. Operation problems may result if extension cords are used. 2516B Carrying the machine ・ The machine should be carried by t
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3. RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS 3. RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS Programs specify the way that patterns (stitches) are to be sewn (parameters). Program Pattern Parameter X-scale Y-scale Sewing speed Slow start pattern Upper thread tension 1 etc. * 2590B 2 1. Use a standard pattern which has been registered in the actual sewing machine (430F: No. 1 to 89, 438F: 1 to 64) * , and save t
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3. RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS ・ This sewing machine contains programs numbered 1 to 89 (1 to 64 for the 438F) which contain standard patterns, and can also be programmed with additional programs numbered from 200 to 999. Program number 1 Pattern Parameter number 1 Program number 2 Pattern Parameter number 2 Pattern numbers 1 to 89 (1 to 64 for the Program number 3 438F) are registered (set) into program Pattern numbers 1 to 89 (1 to 64 for the 438F), and Para
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Parameter 3. RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS ・ After a program has been finished, you can revise the program by changing the setting details. ・ You can organize the use of program numbers so that, for instance, programs with the same pattern but different sizes or upper thread tensions to suit the material being sewn are preset. (Refer to “5-2. Program setting method” in the CD instruction manual.) Example: Program No. 200 ・Pattern: No. 50 ・X- and Y-scale: 150%
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4. FUNCTION SETTINGS 4. FUNCTION SETTINGS 4-1. List of special functions when power is turned on This list shows the key operations for using special functions. 2593B 2594B 2595B 2599B Data initialization function Software version display function 1 5 Refer to the CD Instruction Manual. Refer to “4-9. Confirming software version”. 2596B 2600B Memory switch setting mode (Advanced) Error log display function 2 6
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4. FUNCTION SETTINGS Main shaft motor standard position 2603B Protect setting mode 2605B 9 11 adjustment mode Refer to “11-19. Adjusting the main shaft motor Refer to “4-10. Protection settings”. standard position”. 2606B 2604B Digital tension output correction mode Version update 10 12 Refer to “7-13. Updating the control program Refer to “11-20. Correcting the digital tension output”. version”. KE-430F, BE-438F 7
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4. FUNCTION SETTINGS 4-2. List of advanced functions This list shows the key operations for using advanced functions. 2607B 2608B Memory switch setting mode (Standard) Cycle program setting mode 2612B 1 5 Refer to the CD Instruction Manual. Refer to the CD Instruction Manual. Lower thread counter setting mode 2609B Pattern data editing mode 2613B 2 6 Refer to the CD Instruction Manual. Refer to “5-3. Switching to pat
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4. FUNCTION SETTINGS 4-3. Setting memory switches (Advanced) Change the mode to memory switch setting mode. While pressing the TEST key and the SELECT key, turn 1 on the power switch. All indicators switch off ・ The memory switch number will be displayed in the PROGRAM No. display and the setting value for that number will be displayed in the menu display. 2420B 2616B Select the memory switch that you would like to Press the or key to select the memory switch 2
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4. FUNCTION SETTINGS 4-4. List of memory switches NOTE: In standard memory switch setting mode (refer to the CD Instruction Manual), the bottom two digits only display memory switch Nos. 00 to 49. The bottom two digits do not display memory switch Nos. 50 to 99. Work clamp/button clamp settings (001 − 099) Initial No. Setting range Setting units Setting details value Work clamp/button clamp lift timing when sewing is complete OFF: Does not lift automatically. 001 OFF, 1 − 2 1 1 1
