3-12. Adjusting the amount of oil (oil splashes) in the hook .................................................. 26
3-12-1. Adjusting the amount of oil in the hook ..............................................................................26
3-12-2. How to conrm the amount of oil (oil splashes) .................................................................27
3-12-3. Sample showing the appropriate amount of oil ..................................................................27
3-13. Adjusting the thread take-up spring and the thread take-up stroke............................. 28
4. HOW TO USE THE OPERATION PANEL ..................................................................... 29
4-1. Explanation of the sewing screen (when selecting a sewing pattern) ......................... 29
4-2. Sewing patterns
................................................................................................................. 33
4-2-1. Sewing pattern conguration .................................................................................................33
4-2-2. List of sewing patterns ............................................................................................................34
4-2-3. Reverse feed stitching (at start) pattern ................................................................................ 36
4-2-4. Double reverse-feed stitch ......................................................................................................41
4-2-5. Editing the sewing patterns .................................................................................................... 42
4-2-6. List of pattern functions ..........................................................................................................44
4-2-7. Reverse feed stitching (at end) pattern .................................................................................47
4-2-8. Teaching function .................................................................................................................... 48
4-2-9. One-touch utility changeover function .................................................................................. 50
4-2-10. Registration of a new sewing pattern ..................................................................................51
4-2-11. Copying a pattern ...................................................................................................................53
4-2-12. Narrow-down function ...........................................................................................................54
4-3. Counter function ................................................................................................................ 56
4-3-1. Displaying the sewing screen under the counter display mode ......................................... 56
4-3-2. Types of the counter ................................................................................................................ 56
4-3-3. How to set the counter ............................................................................................................57
4-3-4. How to reset the count-completion state ..............................................................................60
4-4. Simplied chart of panel displays ................................................................................... 61
4-5. List of memory switch data
.............................................................................................. 62
4-6. List of errors
...................................................................................................................... 67
4-7. Memory switch data
.......................................................................................................... 71
5. MAIN NEW FUNCTIONS ............................................................................................... 73
5-1. Shorter-thread remaining thread trimming ..................................................................... 73
5-2. Adjusting the feed dog height
.......................................................................................... 76
5-3. Operating timing of the feed
............................................................................................. 77
5-4. Changing the feed locus
................................................................................................... 78
6. CARE ............................................................................................................................. 79
6-1. Maintenance mode ............................................................................................................ 79
6-2. Conrmation of the amount of oil in the hook oil tank
.................................................. 79
6-3. Cleaning
............................................................................................................................. 80
6-4. Applying grease
................................................................................................................. 80
6-5. Applying grease to the needle bar lower bushing and the presser bar bushing
........ 81
6-6. Replacing the fuse
............................................................................................................. 82
7. ADJUSTMENT OF THE MACHINE HEAD (APPLICATION) ........................................ 83
7-1. Needle-to-hook relationship ............................................................................................. 83
7-2. Adjusting the needle thread presser device
................................................................... 84
7-3. Adjusting the thread trimmer
........................................................................................... 87
7-3-1. For checking of the thread trimming cam timing .................................................................87
7-3-2. Adjustment of the thread trimming cam timing ....................................................................87
7-3-3. Checking of the knife unit ....................................................................................................... 88
ii