GENERAL TROUBLESHOOTING PROCEDURE
Changing External Parts (1) Face 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 ....................................................................... 5
Changing External Parts (6) Front Cover ............................................................. 6
Changing External Parts (7) Rear Cover ............................................................. 7
Adjusting Needle Drop Position ........................................................................... 8
Adjusting Hook Timing ......................................................................................... 9
Adjusting Needle Bar Height ............................................................................... 10
Adjusting Clearance between Needle and Hook ................................................ 11
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear ............... 12
Adjusting Height of the Needle Stop Position ..................................................... 13
Adjusting Thread Tension .................................................................................... 14
Adjusting Tension Release Mechanism .............................................................. 15
Changing Thread Tension Unit ............................................................................ 16
Replacing Threader Plate and Adjustment ......................................................... 17
Adjusting Height of Embroidery Foot P ............................................................... 18
ADJUSTMENT FOR ELECTRICAL COMPONENTS
Connector Connection Diagram.......................................................................... 19
Replacing Printed Circuit Board “A” (Main board) ............................................... 20
Replacing Touch Panel ....................................................................................... 21
Replacing Printed Circuit Board “F” & “F2” ......................................................... 22
Adjustment of the Solenoid ................................................................................. 23
Replacing DC Motor and Motor Belt Tension Adjustment ................................... 24
Replaching Carriage Plate (Unit) ........................................................................ 25
Adjusting X and Y Sensors ................................................................................. 26
Adjusting X and Y Sensors (Simple Adjustment) ................................................ 27
Adjusting X Mortor Gear ..................................................................................... 28
Replacing Switching Power Supply..................................................................... 29
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