GENERAL TROUBLESHOOTING PROCEDURE
Replacing External Parts (1) Face Cover ............................................................. 1
Replacing External Parts (2) Bed Cover ............................................................... 2
Replacing External Parts (3) Front Cover ............................................................. 3
Replacing External Parts (4) Rear Cover ............................................................. 4
Adjusting the Needle Drop Position ...................................................................... 5
Adjusting the Hook Timing .................................................................................... 6
Adjusting the Needle Bar Height............................................................................ 7
Adjusting the Clearance between Needle and Hook ............................................ 8
Adjusting the Backlash between Hook Drive Gear and Lower Shaft Gear ........... 9
Adjusting the Needle Stop Position ..................................................................... 10
Adjusting the Needle Thread Tension.................................................................... 11
Adjusting the Tension Release Mechanism ......................................................... 12
Repalceing the Thread Tension Unit.................................................................... 13
Replacing and Adjusting the Needle Threader......................................................... 14
Adjusting the Height of the Embroidery Foot........................................................ 15
ADJUSTMENT FOR ELECTRICAL COMPONENTS
Replacing Printed the Printed Circuit Board A.................................................... 16
Replacing the LCD Module................................................................................ 17
Replacing the Printed Circuit Board F................................................................. 18
Adjusting the Tension Solenoid .......................................................................... 19
Replacing the DC Motor and Adjusting the Motor Belt Tension .......................... 20
Replaching the Carriage Unit............................................................................... 21
Adjusting the Y-sensor......................................................................................... 22
Adjusting the X and Y-sensors (Simple Adjustment) ........................................... 24
Adjusting the Y-mortor Gear................................................................................. 25
Replacing the Switching Power Supply................................................................. 28
Adjusting the X-sensor......................................................................................... 23
Adjusting the X-mortor Gear................................................................................. 26
Adjusting the Y-carriage Supporter....................................................................... 27
Summary of Contents for MC230E
Page 1: ...MC230E...
