SunStar KM-640BL - Table of Contents

Safety rules for machines ..................................................................................................................................... 4
1. Specification ............................................................................................................................................................ 8
1) Sewing machine ......................................................................................................................................................... 8
2) Servo motor ................................................................................................................................................................ 8
3) 470 motor ................................................................................................................................................................... 8
4) 470 motor controller ................................................................................................................................................... 9
5) Clutch motor ............................................................................................................................................................... 9
6) Peripheral automation devices (optional) .................................................................................................................. 9
2. Installation .............................................................................................................................................................. 10
1) Installation of machine head .................................................................................................................................... 10
2) Installation of power switch box ............................................................................................................................. 10
3) Lubrication ............................................................................................................................................................... 11
4) Adjustment of belt tension ....................................................................................................................................... 11
5) Installation of program unit (for automatic trimming type) ................................................................................... 12
6) Installation of belt cover .......................................................................................................................................... 12
7) Installation of synchronizer (for automatic trimming type) ................................................................................... 12
8) Check for machine stop position (for automatic trimming type) ........................................................................... 13
9) Reverse button function ........................................................................................................................................... 14
10) Adjustment of synchronizer .................................................................................................................................. 14
3. Machine Adjustment ......................................................................................................................................... 15
1) Inserting needle ....................................................................................................................................................... 15
2) Adjusting needle bar ................................................................................................................................................ 15
3) Adjusting timing of needle and hook ...................................................................................................................... 15
4) Adjusting lubrication of thread take-up spring part ................................................................................................ 16
5) Adjusting lubrication of hook .................................................................................................................................. 16
6) Winding and adjusting lower thread ........................................................................................................................ 17
7) Inserting and removing lower thread and adjusting tension ................................................................................... 17
8) Routing upper thread ................................................................................................................................................ 18
9) Adjusting upper thread ............................................................................................................................................. 18
10) Adjusting presser foot pressure ............................................................................................................................. 19
11) Adjusting stitch length ........................................................................................................................................... 19
12) Adjusting feed dog height and inclination ............................................................................................................ 20
13) Adjusting auxiliary presser foot and upper feed presser foot ............................................................................... 20
14) Adjusting feeding amount of auxiliary presser foot ............................................................................................. 21
15) Adjusting feed cam ................................................................................................................................................ 22
16) Adjusting for thread trimmer ................................................................................................................................. 22
17) Adjusting blade pressure ........................................................................................................................................ 26
18) Exchanging movable knife .................................................................................................................................... 26
19) Exchanging fixed blade ......................................................................................................................................... 26
20) Adjusting thread release ......................................................................................................................................... 27
21) Adjusting remaining amount of upper thread ....................................................................................................... 27
4. Causes of Troubles and Troubleshooting ............................................................................................. 28
1) Sewing machine troubleshooting ............................................................................................................................ 28
5. Table drawing ........................................................................................................................................................ 29
1) KM-640BL ............................................................................................................................................................... 29
2) KM-640BL-7 ........................................................................................................................................................... 30
Table of Contents