Tabla de contenido
1. NAMES OF MAJOR PARTS ....................
2. MACHINE SPECIFICATIONS ...................
3. OPTIONAL PARTS (748A) .......................
4. WORK TABLE ............................................
............................................. 06
6. INSTALLATION .........................................
6-1.
Installing the oil pan ............................ 08
6-2.
Installing the machine head ............... 09
6-3.
(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
rotating direction .................................. 18
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.
(748A-40 , 90 , option) ..................... 26
......................................................... 27
8-1.
Sewing .................................................. 28
8-2.
Backtacking ........................................... 28
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CONTENTS
01
02
03
05
10.CLEANING .................................................
07
........... 19
SL-746A, 748A (English)
.......................................
9-1.
Adjusting the thread tension .............. 29
9-2.
pressure ................................................ 30
9-3.
thread trimming (748A) ....................... 30
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
mechanism timing ............................... 45
hook timing ........................................... 47
clearance ............................................... 48
rotary hook lubrication amount ......... 48
MOVABLE KNIFE (748A) .........................
1
2-1. Replacing the fixed knife ..................... 51
12-2. Replacing the movable knife .............. 52
................................. 53
29
33
................... 37
51
Tabla de contenido
