Safety rules for machine ....................................................................................................................................... 4
1. Specification ........................................................................................................................................................... 8
1) Sewing machine ......................................................................................................................................................... 8
2) Motor .......................................................................................................................................................................... 8
3) Peripheral automation device (optional) ................................................................................................................... 8
2. Installation ............................................................................................................................................................... 9
1) Installation of machine head ...................................................................................................................................... 9
2) Installation of knee lifting solenoid and power switch box (for automatic thread trimming) ................................. 9
3) Installation of oil fan ................................................................................................................................................ 10
4) Adjustment of belt tension ....................................................................................................................................... 10
5) Installation of belt cover .......................................................................................................................................... 10
6) Installation of the program unit (for automatic trimming type) ............................................................................. 11
7) Installation of the thread stand ................................................................................................................................. 11
8) Assembly of the location detector and its control method (for automatic trimming type) ................................... 12
9) Oil supply ................................................................................................................................................................. 13
10) Checking stop position of the sewing machine (for automatic trimming type) .................................................. 14
11) Reverse button function (for automatic trimming type) ....................................................................................... 14
3. Adjustment of the machine ......................................................................................................................... 15
1) Inserting the needle .................................................................................................................................................. 15
2) Removing bobbin ..................................................................................................................................................... 15
3) Winding the lower thread ........................................................................................................................................ 15
4) Routing the upper thread ......................................................................................................................................... 16
5) Adjusting the thread tension .................................................................................................................................... 16
6) Adjusting the tension of the presser foot ................................................................................................................. 18
7) Adjusting the needle and feed dog timing ............................................................................................................... 18
8) Adjusting the position of the feed dog .................................................................................................................... 19
9) Adjusting timing of needle and hook ...................................................................................................................... 20
10) Clearance adjustment between the upper side of hook stopper and the upper side of needle board groove ...... 21
11) Clearance adjustment between hook and opener .................................................................................................. 21
12) Adjusting feed dog height ...................................................................................................................................... 22
13) Adjusting the auxiliary presser foot and the upper feed presser foot ................................................................... 22
14) Adjusting timing of the auxiliary presser foot, the upper feed foot and the needle ............................................ 24
15) Adjusting stroke of upper feed presser foot .......................................................................................................... 24
16) Adjusting safety device .......................................................................................................................................... 25
17) Adjusting the trimming device .............................................................................................................................. 25
18) Replacing movable knife and fixed knife ............................................................................................................. 31
19) Adjusting thread release (for automatic trimming type) ....................................................................................... 31
4. Causes of troubles and troubleshooting .............................................................................................. 32
1) Sewing machine troubleshooting ............................................................................................................................ 32
5. Table drawing ...................................................................................................................................................... 34
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