5
10. Repairing the machine
..............................................................................................
28
1) Adjusting needle bar....................................................................................................... 28
2) Adjusting needle and hook............................................................................................. 28
3) Adjustment of Presser Foot Adjusting Arm .................................................................. 29
4) Adjusting thread release and dish opening width ......................................................... 29
5) Adjusting the Main Thread Control Device ................................................................... 30
6) Adjusting speed of arm lifter........................................................................................... 30
7) Adjusting Hand Pulley Device ....................................................................................... 30
8) Addition of Upper Shaft(Needle Bar) Timing Adjustment.............................................. 31
9) Needle and Hook Timing................................................................................................ 31
10) Adjustment of Needle and Hook Timing ...................................................................... 32
11) Clearance adjustment between needle and hook....................................................... 32
12) Adjustment of Hook Needle Guide Position ................................................................ 32
13) Clearance adjustment of hook and opener ................................................................. 33
14) Lubrication adjustment of hook .................................................................................... 33
15) Trimmer ........................................................................................................................ 34
16) Adjusting tension of operating belt............................................................................... 36
17) Setting X-Y Original Point ............................................................................................ 38
18) Air system ..................................................................................................................... 39
11. Preparation before starting operation
...................................................................
40
1) Inserting needle ............................................................................................................. 40
2) Inserting upper thread .................................................................................................. 40
3) How to Adjust the Upper Thread Tension ..................................................................... 41
4) How to Adjust the Lower Thread Tension ................................................................... 41
5) Bobbin Winder ................................................................................................................ 42
6) Adjustment of Presser Foot Up/Down Stroke................................................................ 43
7) Presser Foot Height ....................................................................................................... 43
8) Adjusting upper thread holding device ......................................................................... 44
9) Inserting/Dropping out Bobbin ....................................................................................... 44
12. Inspection and Verification
......................................................................................
45
1) Daily Cleaning ................................................................................................................ 45
2) Weekly [1 time/7 days] Cleaning.................................................................................... 45
