MC 11000
CONTENTS
Changing External Parts
Face and top covers ............................................................................................................................................. 1
Belt cover .............................................................................................................................................................. 2
Bed cover .............................................................................................................................................................. 3
Base ...................................................................................................................................................................... 4
Front cover ............................................................................................................................................................ 5
Rear cover ............................................................................................................................................................ 6
Thread tension unit ............................................................................................................................................... 7
Thread cutter unit .................................................................................................................................................. 8
Needle threader motor ..................................................................................................................................... 9-10
Wiring Diagram ........................................................................................................................................................ 11
Replacing:
Printed Circuit Board A ....................................................................................................................................... 12
Printed Circuit Boards F1, F2 and Slide volume ................................................................................................ 13
Printed Circuit Board B ....................................................................................................................................... 14
Switching Power Supply ..................................................................................................................................... 15
DC Motor and Adjusting Motor Belt Tension ....................................................................................................... 16
Adjusting:
Needle Drop Position .......................................................................................................................................... 17
Hook Timing ........................................................................................................................................................ 18
Needle bar height ............................................................................................................................................... 19
Clearance between Needle and Hook ................................................................................................................ 20
Backlash between Hook Drive Gear and Lower Shaft Gear .............................................................................. 21
Presser Foot Position and Height ....................................................................................................................... 22
Feed dog height .................................................................................................................................................. 23
Height of Embroidery Foot P .............................................................................................................................. 24
Shield Plate Position ........................................................................................................................................... 25
Tension Release Mechanism .............................................................................................................................. 26
Needle Thread Tension ....................................................................................................................................... 27
Replacing and Adjusting Threader plate .................................................................................................................. 28
Adjusting Needle Threader Switch .......................................................................................................................... 29
TTP Adjusting Mode ................................................................................................................................................ 30
Adjusting:
Stretch Stitch Balance ........................................................................................................................................ 31
Presser Foot Lifter Sensor .................................................................................................................................. 32
Buttonhole Lever ................................................................................................................................................. 33
Presser Foot Sensor ........................................................................................................................................... 34
Remaining Bobbin Thread Sensor ..................................................................................................................... 35
Thread Cutter Solenoid ...................................................................................................................................... 36
Upper Shaft Clutch Solenoid .............................................................................................................................. 37
Thread Cutter Switch .......................................................................................................................................... 38
Bobbin Winder Stopper ...................................................................................................................................... 39
Threader Drawing Lever ..................................................................................................................................... 40
X and Y Sensors ................................................................................................................................................. 41
Sewing Start Position ......................................................................................................................................... 42
Setting Position of Thread Take Up lever ................................................................................................................ 43
To Adjust:
Upper Shaft Declutch Device ............................................................................................................................. 44
Setting Position of Parts on Lower Shaft ................................................................................................................. 45
Setting Position of Upper and Lower Shafts ............................................................................................................ 46
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