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Brother KE-430F manual

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KE-430F BE-438F

SERVICE MANUAL

Please read this manual before making any adjustments.

ELECTRONIC DIRECT DRIVE LOCKSTITCH BAR TACKER ELECTRONIC DIRECT DRIVE LOCKSTITCH BUTTON SEWER

Contents

Page Page SAFETY INSTRUCTIONS [1] Safety indications and their meanings Indications DANGER WARNING Environmental requirements Installation Sewing Cleaning Maintenance and inspection [3] Warning labels Page SPECIFICATIONS NOTES ON HANDLING RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS FUNCTION SETTINGS 9. DISASSEMBLY 10. ASSEMBLY 11. ADJUSTMENT APPLYING GREASE HOW TO INSTALL THE FEED PLATE FOR KE-430CSERIES IN KE-430F AND BE-438F INSTALLING THE 2-PEDALFOOT 1. SPECIFICATIONS 2. NOTES ON HANDLING About the machine set-uplocation Carrying the machine Tilting back the machine head Returning the machine head to the upright position 3. RELATIONSHIP BETWEEN PROGRAMS AND PATTERNS Page Page 4. FUNCTION SETTINGS 4-1.List of special functions when power is turned on Page 4-2.List of advanced functions 4-3.Setting memory switches (Advanced) 4-4.List of memory switches Page Page Page Page Page Page Page Page Page Page Page 4-5.Setting the foot switch operation mode ●When using a 2-pedalfoot switch (option) 4-6.Checking the error history 4-7.Input checking method Page Page 4-8.Output checking method Page 4-9.Confirming software version 4-10.Protection settings ●Method B Table of protection levels and corresponding protected items 5. EDITING PATTERN DATA 5-1.Tension information in pattern data 5-2.Work flowchart 5-3.Switching to pattern editing mode 5-4.Checking pattern data 5-5.Copying pattern data 5-6.Adding tension codes 5-7.Changing tension codes 5-8.Deleting tension codes 6.X AND Y PARALLEL MOVEMENT OF SEWING PATTERNS Page 7. USING SD CARDS 7-1.Notes on handling SD cards (commercially available) 7-2.Structure of an SD card folder 7-3.Preparation for reading and writing data 7-4.Reading additional pattern data 7-5.Writing additional pattern data to an SD card 7-6.Reading memory switch data 7-7.Writing memory switch data to the SD card 7-8.Reading program data 7-9.Writing program data to an SD card 7-10.Reading sewing machine data 7-11.Writing sewing machine data to an SD card 7-12.Writing error log data and memory switch log data to an SD card 7-13.Updating the control program version 8. MECHANICAL DESCRIPTIONS 8-1.Needle bar and thread take-upmechanisms 8-2.Lower shaft and shuttle race mechanisms 8-3.Work clamp lifter mechanism 8-4.Thread wiper mechanism 8-5.Feed mechanism 8-6.Thread trimmer mechanism 8-7.Tension release mechanism 8-8.Thread nipper mechanism (KE-430F -03, -0F, -0Kspecifications only) 9. DISASSEMBLY 9-1. Covers 9-2.Work clamp arm mechanism 9-3.Needle bar mechanism 9-4.Upper shaft mechanism Page 9-5.Lower shaft mechanism Page 9-6.Lubrication 9-7.Feed mechanism 9-8.Thread wiper mechanism 9-9.Work clamp lifter mechanism Page 9-10.Threading mechanism 9-11.Tension release mechanism 9-12.Thread nipper mechanism (KE-430F -03, -0F, -0Kspecifications only) 9-13.Thread trimmer mechanism Page 9-14.Shuttle hook mechanism 10. ASSEMBLY Page 10-2.Tension release mechanism 10-3.Threading mechanism 10-4.Thread wiper mechanism 10-5.Thread nipper mechanism 10-6.Work clamp lifter mechanism Page Page 10-7.Feed mechanism Page Page Page 10-8.Upper shaft mechanism Page 10-9.Needle bar mechanism Page 10-10.Lower shaft mechanism Page Page Page 10-11.Lubrication 10-12.Shuttle hook mechanism 10-13.Thread trimmer mechanism (2) 10-14.Work clamp arm mechanism (KE-430F) 10-15.Work clamp arm mechanism (BE-438F) 10-16.Covers 11. ADJUSTMENT 11-1-1.Upper and lower thread tension 11-1-2.Thread take-upspring 11-1-3.Arm thread guide C 11-1-4.Needle bar bush thread guide D 11-2.Adjusting the needle bar height 11-3.Adjusting the needle bar lift amount and the driver needle guard 11-4.Adjusting the needle clearance 11-5.Adjusting the shuttle race thread guide 11-6.Rotary hook lubrication amount 11-7.Adjusting the thread trimming 11-8.Adjusting the position of the movable knife 11-9.Replacing the movable knife and fixed knife 11-10.Adjusting the work clamp lift amount (KE-430F) 11-11.Adjusting the button clamp lift amount (BE-438F) 11-12.Adjusting the holding pressure (BE-438F) 11-13.Adjusting the position of the button clamp (BE-438F) 11-14.Adjusting the thread trimmer cam position 11-15.Adjusting the thread wiper 11-16.Adjusting the tension release amount 11-17.Adjusting the backlash amount (play) of the lower shaft gear 11-18.Adjusting the home position 11-18-1.X- and Y-feedmotor home positions Page 11-18-2.Work clamp lift motor home position Page 11-18-3.Thread nipper motor home position Page 11-19.Adjusting the main shaft motor standard position Page 11-20.Correcting the digital tension output Page 11-21.Checking the machine head switch 11-22.Setting method for standard depression strokes (Foot switch) Page 12. APPLYING GREASE 12-1.Applying grease (Work clamp: KE-430F) 12-2.Applying grease (When “GREASEUP” appears) Page Page Page 13.HOW TO INSTALL THE FEED PLATE FOR KE-430CSERIES IN KE-430FAND BE-438F 14. INSTALLING THE 2-PEDALFOOT SWITCH (OPTION) 15. ELECTRIC MECHANISM 15-1.Precautions at the time of adjustment 15-2.Components inside and outside the control box and in the operation panel 15-3.Fuse explanation 15-4.Connectors 15-4-1.Connector positions Power PCB Panel PCB 15-4-2.Contact failure Thread trimmer mechanism Sewing operation Others Page 15-5.Troubleshooting 15-5-1.Troubleshooting flowchart Page Page Page 15-5-2.Problem solution and measures Page Page Page Page Page Page Page Page Page Page Page Page Page Page 16. TABLE OF ERROR CODES Page Page Page Page 17. TROUBLESHOOTING Page Page 18. 7-SEGMENTDISPLAY LIST