BAS-341F, 342F
CONTENTS
1. NAME OF MAJOR PARTS ....................................................................................................................1

2. SPECIFICATIONS ...........................................................................................................................................2

3. PREPARATION .................................................................................................................................................. 3

3-1. Before setting up .............................................................................................................................................................. 3
3-2. Positioning ......................................................................................................................................................................... 4
3-3. Tilting the sewing machine head .................................................................................................................................. 4
3-4. Connecting the ground wire ........................................................................................................................................... 5
3-5. V-belt tension ..................................................................................................................................................................... 5
3-6. Installing the foot switch ...............................................................................................................................................5
3-7. Installing the spool stand ................................................................................................................................................ 6
3-8. Installing the programmer (option) ............................................................................................................................... 6
3-9. Adjusting the air pressure ............................................................................................................................................... 7
4. LUBRICATION...................................................................................................................................................... 8
4-1. Lubrication points ............................................................................................................................................................. 8
5. CORRECT USE................................................................................................................................................... 9
5-1. Selecting the needle and thread ...................................................................................................................9
5-2. Installing the needle and urnning the sewing machine..................................................................................9
5-3. Threading the upper thread ........................................................................................................................10
5-4. Winding the lower threa d ............................................................................................................................11
5-5. Replacing the bobbin case and threading the thread .................................................................................12
5-6. Sewing conditions and thread tension ........................................................................................................12
5-6-1. Sewing conditions .................................................................................................................................................... 12
5-6-2. Lower thread tension ............................................................................................................................................... 13
5-6-3. Upper thread tension ............................................................................................................................................... 13
5-6-4. Thread take-up spring height ................................................................................................................................... 13
5-6-5. Thread take-up spring tension.................................................................................................................................. 13
5-6-6. Pretension tension .................................................................................................................................................... 14
6. USING THE OPERATION PANEL ................................................................................................ 15
6-1. Explanation of panel .................................................................................................................................................... 15
6-2. Using the floppy disk ................................................................................................................................................... 17
6-3. Using the program R/W (Read/Write) switch ............................................................................................................. 19
6-4. Using the TEST switch (Checking the sewing pattern) ............................................................................................. 20
6-5. Using the emergency stop switch ............................................................................................................................... 21
6-6. Adjusting the sewing SPEED control ....................................................................................................................... 22
6-7. Changing the X-SCALE and Y-SCALE settings ........................................................................................................ 22
6-8. Using the bobbin thread counter ................................................................................................................................ 23
6-9. Using production counter ............................................................................................................................................24
6-10. Using single split mode ............................................................................................................................................. 25
6-11. Shifting a stitch pattern .............................................................................................................................................. 26