MECHANICAL ADJUSTMENT
Changing External Parts (1) Face Cover/Top Cover ................................................................1
Changing External Parts (2) Belt Cover ...................................................................................2
Changing External Parts (3) Base Cover .................................................................................3
Changing External Parts (4) Bed Cover/ Base Lid (2) ............................................................. 4
Changing External Parts (5) Base Unit ....................................................................................5
Changing External Parts (6) Front Cover .................................................................................6
Changing External Parts (7) Rear Cover ................................................................................ 7
Adjusting Needle Drop Position ...............................................................................................8
Adjusting Presser Foot Position and Height .............................................................................9
Adjusting Hook Timing ............................................................................................................ 10
Adjusting Needle Bar Height ................................................................................................... 11
Adjusting Clearance between Needle and Hook .................................................................... 12
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear ................................... 13
Adjusting Feed Dog Height ..................................................................................................... 14
Adjusting Upper Shaft Shield Plate Position ........................................................................... 15
Adjusting Needle Thread Tension ........................................................................................... 16
Adjusting Tension Release Mechanism .................................................................................. 17
Changing Thread Tension Unit ................................................................................................ 18
Adjusting Stretch Stitch Balance ............................................................................................. 19
Replacing Threader Plate and Adjustment ............................................................................. 20
Adjusting Height of Embroidery Foot P ..................................................................................
21
ADJUSTMENT FOR ELECTRICAL COMPONENTS
Connector Connection Diagram .............................................................................................. 22
Replacing Printed Circuit Board A .......................................................................................... 23
Replacing Touch Panel (LCD) ................................................................................................. 24
Replacing Printed Circuit Board F .......................................................................................... 25
TTP Adjusting Mode ................................................................................................................ 26
Adjusting Solenoid .................................................................................................................. 27
Adjusting Buttonhole Lever ..................................................................................................... 28
Adjusting Presser Foot Sensor ............................................................................................... 29
Adjusting Presser Foot Lifter Sensor ...................................................................................... 30
Adjusting Remaining Bobbin Thread Sensor .......................................................................... 31
Replacing DC Motor and Motor Belt Tension Adjustment ....................................................... 32
Replacing Carriage Plate (Unit) .............................................................................................. 33
Adjusting Feed Dog Up/Down Position ................................................................................... 34
Adjusting X and Y Sensors ...................................................................................................... 35
Adjusting X and Y Sensors (Simple Adjustment) .................................................................... 36
Adjusting X Motor Gear ........................................................................................................... 37
Replacing Switching Power Supply ......................................................................................... 38
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