Table Of Contents - Brother BAS-341H Instruction Manual

1. NAMES OF MAJOR PARTS ................
2. SPECIFICATIONS ................................
3. INSTALLATION ....................................
3-1. Table processing diagram ................................ 4
3-2. Installing the control box................................... 5
3-3. Installing the oil pan and support lever base .... 6
3-4. Installing the machine head.............................. 6
3-5. Tilting back and returning the machine head ... 7
3-6. Installing the gas spring .................................. 8
3-7. Installing the LCD panel ................................... 9
3-8. Installing the solenoid valve assembly ............. 10
3-9. Connecting the air tubes................................... 10
3-10. Installing the air hose...................................... 10
3-11. Installing the two-pedal foot switch................. 11
3-12. Installing the cords.......................................... 11
3-13. Connecting the ground wire............................ 15
3-14. Securing the cords and air tubes.................... 16
3-15. Connecting the power cord............................. 17
3-16. Installing the eye guard .................................. 20
3-17. Installing the cotton stand............................... 20
3-18. Lubrication ...................................................... 21
3-19. Checking the machine head switch................ 22
4. PREPARATION BEFORE SEWING.....
4-1. Installing the needle.......................................... 23
4-2. 2-pedal foot switch operation method .............. 23
4-3. Threading the upper thread .............................. 24
4-4. Winding the lower thread.................................. 26
4-5. Installing the bobbin case ................................. 27
4-6. Thread tension.................................................. 28
4-6-1. Lower thread tension .............................. 28
4-6-2. Upper thread tension .............................. 29
4-7. Starting up ........................................................ 30
4-8. Setting 2-step operation for the work clamp..... 31
5. SEWING................................................
5-1. Sewing .............................................................. 32
5-2. Using the STOP switch..................................... 33
6. CLEANING ...........................................
6-1. Cleaning the rotary hook .................................. 34
6-2. Draining the oil.................................................. 34
6-3. Cleaning the regulator ...................................... 35
6-4. Checking the control box air inlet ports ............ 35
6-5. Cleaning the eye guard ................................... 35
6-6. Checking the needle ....................................... 35
6-7. Lubrication ........................................................ 35
CONTENTS
7.STANDARD ADJUSTMENTS ................
1
7-1. Adjusting the sensitivity of the thread breakage
2
sensor ...............................................................36
3
7-2. Thread take-up spring.......................................37
7-3. Arm thread guide R...........................................37
7-4. Adjusting the needle bar height ........................38
7-5. Adjusting the needle and rotary hook timing.....38
7-6. Adjusting the driver (needle guard) position .....39
7-7. Adjusting the clearance between the
needle and rotary hook tip ................................39
7-8. Adjusting the shuttle race thread guide ............39
7-9. Rotary hook lubrication amount ........................40
7-10. Adjusting the position of the movable knife ....41
7-11. Replacing the movable and fixed knives ........43
7-12. Installing the feed plate ...................................44
7-13. Adjusting the thread wiper ..............................44
7-14. Intermittent presser foot installation position ..45
7-15. Adjusting the intermittent presser foot ............45
7-16. Adjusting the work clamp lift amount ..............47
7-17. Adjusting the air pressure ...............................47
7-18. Adjusting the speed controller.........................48
7-19. If processing the work clamps and the
feed plate to a shape that matches the
sewing pattern ................................................49
23
8. LIST OF ERROR CODES.....................
9. TROUBLESHOOTING..........................
32
34
BAS-341H, BAS-342H
36
51
57