CONTENTS
Disassembly Procedure
Disassembly Procedure .....................................................................................2 - 1
Needle Bar-Presser Unit Assembly ...................................................................2 - 5
Lower Shaft Unit Assembly ................................................................................ 2 - 7
Thread Tension Assembly .................................................................................2 - 8
Assembly Procedure
Assembly Procedure ..........................................................................................2 - 9
Front Cover ........................................................................................................2 - 9
Rear Cover ......................................................................................................2 - 10
Thread Tension Assembly ...............................................................................2 - 14
Needle Bar-Presser Unit Assembly .................................................................2 - 15
Lower Shaft Unit Assembly .............................................................................. 2 - 17
Adjustment
Adjustment of the Timing Belt Tension ..............................................................3 - 1
Adjustment of the Motor Belt Tension ................................................................3 - 2
Adjustment of the Needle Bar Stopper ..............................................................3 - 3
Adjustment of the Needle Sidewise Movement (Needle Swing Timing) ............ 3 - 4
Adjustment of the Left/Right Position of Zigzag Needle Down .......................... 3 - 5
Left and Right Balance of the Needle Clearance ............................................... 3 - 6
Adjustment of the BH Left Over Edging (Zero Feed Adjustment) ......................3 - 7
Adjustment of the zigzag width for BH Right Over Edging ................................3 - 8
Adjustment of the Feeding for BH Right Over Edging
(Adjustment of Satin Feeding) ........................................................................... 3 - 9
Forward/Reverse Adjustment of the Super Stitch Feeding ..............................3 - 10
Adjustment of Forward/Back Position of Needle Against the Needle Hole
in the Presser Foot ..........................................................................................3 - 11
Adjustment of the Amount of Needle Bar Rise ................................................3 - 12
Adjustment of the Needle Bar Height ..............................................................3 - 13
Adjustment of the Needle Clearance ............................................................... 3 - 14
Adjustment of the Presser Bar Height ............................................................. 3 - 15
Adjustment of the Feed Dog Height .................................................................3 - 16
Forward/Back and Left/Right Position Adjustment of the Feed Dog ................ 3 - 17
Adjustment of the Position of the Inner Rotary Hook Rotation Prevention
Bracket .............................................................................................................3 - 18
Adjustment of the Upper Thread Tension ........................................................ 3 - 19
Adjustment of the Inner Rotary Hook (Lower Thread) Tension ....................... 3 - 20
Adjustment of the Thread Winding
(Uneven Bobbin Winding and Amount of Thread Winding) ............................. 3 - 21
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