JUKI MEB-3810N Series Instruction Manual page 3

7-37. Setting the soft start ............................................... 64
7-38. Setting the number of stitches at the beginning of
sewing of thread tension .................................................. 64
7-39. Setting the number of stitches at the end of sew-
ing of thread tension ................................................. 64
8. ADJUSTMENT OF EACH PART ....................65
8-1. Adjusting the pressure of the cloth trimming
knife ..........................................................................65
8-2. Adjusting the stitch bite width ................................. 66
8-3. Adjusting the presser ............................................... 67
8-4. Adjusting the presser opening amount .................. 68
8-5. Adjusting the needle thread drawing amount ........ 69
8-6. Adjusting the thread take-up thread guide ............. 69
8-7. Adjusting the remaining amount of the gimp......... 70
8-8. Adjusting the gimp thread tension .......................... 70
8-9. Needle thread clamp unit (optional) ........................ 71
8-10. Adjusting the brightness of the hand lamp .......... 72
9. HOW TO USE THE VARIOUS FUNCTIONS ..73
9-1. Operating procedure of thread tension compensa-
tion of each section ................................................... 73
9-2. Changing the setting position of cloth ................... 76
9-3. Changing over the mode of the start switch .......... 76
9-4. Changing over the presser movement ................... 76
9-5. Changing over the counter (DOWN counting) ....... 76
9-6. Changing over to the mode of the stop before
cloth cut ................................................................... 76
9-7. Copying the pattern data .......................................... 77
9-8. Deleting the pattern data .......................................... 78
10. MAINTENANCE ............................................79
10-1. Looper thread trimming (overall thread trimmer
type) ..........................................................................79
10-2. Timing between the needle and the looper .......... 79
10-3. Height of the needle bar ......................................... 82
(1) Adjusting the needle bar height ................................... 82
(2) Reference height of the needle bar ............................. 82
10-4. Adjustment to prevent triangular stitch skip-
ping in the case of a narrow needle throwing
width .........................................................................83
10-5. Clearance between the needle and the looper ..... 84
10-6. Adjusting the needle guard .................................... 84
10-7. Clearance between the spreader and looper
and the opening timing of the spreader ................ 85
10-8. Height of the throat plate ....................................... 87
(1) Height of the throat plate .............................................. 87
(2) Adjusting the height of the throat plate ...................... 87
10-9. Position of the presser foot ................................... 88
10-10. Adjusting the knife dropping position ................ 88
10-11. Installing position of the needle thread trim-
ming knife ................................................................ 89
10-12. Cleaning ................................................................. 90
10-13. Draining ................................................................. 90
10-14. Replacing consuamables ..................................... 91
(1) Worn-out of the hammer face ...................................... 91
(2) Replacing the cloth cutting knife and the hammer .... 92
(3) Replacing the looper thread trimming knife (overall
thread trimmer type) ..................................................... 93
(4) Replacing the needle thread trimming knife .............. 94
(5) Changing the thread trimmer retaining plate (needle
thread trimmer type) ..................................................... 94
(6) Standard of replacing time of the gas spring ............. 94
(7) Replacing the gas spring ............................................. 95
11. EXCHANGING GAUGE PARTS AND OP-
TIONAL ...........................................................96
11-1. Throat plate .............................................................. 96
11-2. Presser set ............................................................... 96
11-3. Presser holding plate .............................................. 97
11-4. Cloth cutting knife ................................................... 97
11-5. Hammer ....................................................................98
11-6. Others .......................................................................98
12. TROUBLES AND CORRECTIVE MEA-
SURES IN SEWING ........................................99
13. MEMORY SWITCH .....................................101
13-1. Operating procedure ............................................ 101
13-2. Memory switch list ................................................ 102
14. ERROR LIST ...............................................104
15. STANDARD PATTERN LIST ......................107
16. SEWING DATA ENTRY SHEET ..................108
ii