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8. Sewing ......................................................................................................................................... 33
9. Maintenance and inspection.......................................................................................... 34
9-1. Cleaning the rotary hook ........................................................................................................... 34
9-2. Cleaning the control box air inlet port ....................................................................................... 34
9-3. Cleaning the eye guard ............................................................................................................. 35
9-4. Checking the needle ................................................................................................................. 35
10. Adjustments .......................................................................................................................... 36
10-1. Adjusting the needle bar height............................................................................................... 37
10-2. Adjusting the needle bar lift amount........................................................................................ 37
10-3. Adjusting the driver needle guard ........................................................................................... 38
10-4. Adjusting the needle clearance ............................................................................................... 38
10-5. Adjusting the shuttle race thread guide................................................................................... 38
10-6. Adjusting the thread take-up amount ...................................................................................... 39
10-7. Adjusting the movable knife .................................................................................................... 39
10-7-1. Replacing the movable knife and fixed knife .................................................................40
10-7-2. Adjustment the engagement of the movable knife and fixed knife................................. 41
10-8. Adjusting the button clamp lift amount .................................................................................... 41
10-9. Adjusting the holding pressure................................................................................................ 42
10-10. Adjusting the position of the button holder ............................................................................ 42
10-11. Adjusting the button clamp height ......................................................................................... 43
10-12. Adjusting the needle up stop position ................................................................................... 44
10-13. Adjusting the thread wiper..................................................................................................... 44
10-14. Adjusting the vibrating bowl .................................................................................................. 45
10-15. Adjustment for excess buttons in the button shooter ............................................................ 46
10-16. Button replacement ............................................................................................................... 47
10-16-1. Adjustment when the button diamenter is changed ..................................................... 47
10-16-2. Adjustment when the button thickness changed.......................................................... 48
10-16-3. If button hole arrangements differ ................................................................................ 48
10-16-4. Adjusting the button carrier plate ................................................................................. 48
10-16-5. Adjusting the feeder position adjustment ..................................................................... 49
10-16-6. Adjusting the needle location ....................................................................................... 50
10-17. Replacement the V-belt......................................................................................................... 51
10-18. Checking the input sensor and DIP switch input................................................................... 53
10-19. Checking the input voltage.................................................................................................... 54
10-20. Moving stitch patterns ........................................................................................................... 55
11. Using the counters ............................................................................................................ 56
11-1. Using the bobbin thread counter ............................................................................................. 56
11-2. Using the production counter .................................................................................................. 56
12. Using user programs ....................................................................................................... 57
13. Using the cycle sewing function .............................................................................. 59
14. Changing functions using the DIP switches..................................................... 61
14-1. Operation panel DIP switches................................................................................................. 61
14-2. Setting the presser mode ........................................................................................................ 61
14-3. DIP switches inside the control box ........................................................................................ 62
15. Changing special functions using the memory switches......................... 63
15-1. Clearing all memory settings................................................................................................... 63
16. Table of error codes ......................................................................................................... 65
17. Adjustment guide refer to this guide
when different button are used
................................................................................. 67
18. Troubleshooting.................................................................................................................. 68
LK3-B448E MARKII/BA-16