Tabla De Contenido - Brother SL-746A Manual De Instrucciones

1. NAMES OF MAJOR PARTS ....................
2. MACHINE SPECIFICATIONS ...................
3. OPTIONAL PARTS (748A) .......................
4. WORK TABLE ............................................
5. MOTOR (746A)
............................................. 06
6. INSTALLATION .........................................
6-1. Installing the oil pan ............................ 08
6-2. Installing the machine head ............... 09
6-3. Installing the knee lifter assembly
(746A/748A-10 , 40 ) ......................... 10
6-4. Installing the belt ................................. 11
6-5. Installing the bobbin winder ............... 12
6-6. Installing the belt cover ....................... 13
6-7. Installing the cotton stand .................. 16
6-8. Ground Wire Connections (746A) ...... 16
6-9. Lubrication ............................................ 17
6-10. Checking the machine pulley
rotating direction .................................. 18
7. PREPARATION BEFORE SEWING
7-1. Installing the needle ............................ 19
7-2. Removing the bobbin case ................. 20
7-3. Winding the lower thread ................... 21
7-4. Installing the bobbin case ................... 23
7-5. Threading the upper thread ................ 24
7-6. Adjusting the stitch length .................. 25
7-7. Using the thread wiper
(748A-40 , 90 , option) ..................... 26
8. SEWING
......................................................... 27
8-1. Sewing .................................................. 28
8-2. Backtacking ........................................... 28
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CONTENTS
9. THREAD TENSION
01
02
03
05
10.CLEANING .................................................
11.STANDARD ADJUSTMENTS
07
........... 19
12.REPLACING THE FIXED KNIFE AND
13.TROUBLESHOOTING
SL-746A, 748A (English)
.......................................
9-1. Adjusting the thread tension .............. 29
9-2. Adjusting the presser foot
pressure ................................................ 30
9-3. Adjusting the trailing length after
thread trimming (748A) ....................... 30
11-1. Adjusting the thread tension
spring .................................................... 38
11-2. Adjusting arm thread guide R ............ 40
11-3. Adjusting the presser foot height ...... 41
11-4. Adjusting the feed dog height ............ 42
11-5. Adjusting the feed dog angle ............. 43
11-6. Adjusting the needle bar height ......... 44
11-7. Adjusting the needle and feed
mechanism timing ............................... 45
11-8. Adjusting the needle and rotary
hook timing ........................................... 47
11-9. Checking the rotary hook and
B-case holder position bracket
clearance ............................................... 48
11-10.Adjusting the upper shaft and
rotary hook lubrication amount ......... 48
11-11.Adjusting the synchronizer (748A) ..... 49
MOVABLE KNIFE (748A) .........................
1 2-1. Replacing the fixed knife ..................... 51
12-2. Replacing the movable knife .............. 52
................................. 53
29
33
................... 37
51