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Contents
10.1) MAIN SHAFT MOTOR ................................................................................................................56
10.2) X, Y-AXIS MOTORS ...................................................................................................................56
10.3) COLOR CHANGE .......................................................................................................................57
10.4) ENCODER ..................................................................................................................................57
10.5) REPETITION WORK...................................................................................................................57
10.6) FLOPPY DISK.............................................................................................................................58
10.7) MEMORY ....................................................................................................................................59
10.8) COILING-RELATED ERROR......................................................................................................59
11. CONTROL BOX ...................................................................................................................60
11.1) MAIN CONTROL BOX ................................................................................................................60
11.2) MAIN SHAFT & X-Y MOTOR DRIVE (SANYO)..........................................................................62
11.3) LIST OF ERRORS AND CAUSES IN MAIN SHAFT DRIVER & X,Y SERVO MOTOR DRIVERS .......63
11.4) TRIMMING MOTOR DRIVE........................................................................................................64
12. MAINTENANCE AND INSPECTION ...................................................................................65
12.1) CHECK POINTS FOR REGULAR INSPECTION .......................................................................65
12.2) CLEANING ..................................................................................................................................65
12.3) OIL SUPPLY ...............................................................................................................................67
13. ADJUSTING MAJOR PARTS OF THE MACHINE..............................................................75
13.1) ADJUSTING THE TRIMMERS....................................................................................................75
13.2) ADJUSTING THE UPPER THREAD HOLDING UNIT................................................................77
13.3) PICKER ADJUSTMENT..............................................................................................................78
13.4) ADJUSTING UPPER THREAD HOLDER ..................................................................................79
13.5) ADJUSTING LOW-NOISE PRESSER FOOT .............................................................................81
13.6) RELATIONSHIP BETWEEN PRESSER FOOT AND NEEDLE ..................................................82
13.7) CORRECT POSITION OF NEEDLE ...........................................................................................83
13.8) ADJUSTING HALF-TURN FILM FOR COLOR CHANGE ..........................................................84
13.9) ENCODER ADJUSTMENT ........................................................................................................84
13.10) NEEDLE BAR ADJUSTMENT ..................................................................................................85
13.11) JUMP MOTOR ADJUSTMENT .................................................................................................87
13.12) ADJUSTING DRIVE BELT TENSION .......................................................................................88
13.13) ADJUSTING X, Y SCOPE LIMITS ............................................................................................91
14. TROUBLESHOOTING ........................................................................................................94
15. AUTOMATIC OILING DEVICE .........................................................................................106
15.1) PRECAUTIONS .......................................................................................................................106
15.2) CHARACTERISTICS ................................................................................................................106
15.3) BLOCK DIAGRAM ....................................................................................................................107
15.4) AUTOMATIC OILING PUMP.....................................................................................................108
15.5) JUNCTION AND MOS-TYPE QUANTITY-SET VALVE............................................................109
15.6) UNDERSTANDING OILING CONTROL BOX...........................................................................110
